diff options
Diffstat (limited to 'examples')
51 files changed, 6 insertions, 4847 deletions
diff --git a/examples/opengl/2dpainting/2dpainting.pro b/examples/opengl/2dpainting/2dpainting.pro index b9611f5b40..20fe4739a5 100644 --- a/examples/opengl/2dpainting/2dpainting.pro +++ b/examples/opengl/2dpainting/2dpainting.pro @@ -1,4 +1,4 @@ -QT += widgets +QT += widgets opengl HEADERS = glwidget.h \ helper.h \ diff --git a/examples/opengl/cube/cube.pro b/examples/opengl/cube/cube.pro index b9416f1a9d..07724e247e 100644 --- a/examples/opengl/cube/cube.pro +++ b/examples/opengl/cube/cube.pro @@ -1,4 +1,4 @@ -QT += core gui widgets +QT += core gui widgets opengl TARGET = cube TEMPLATE = app diff --git a/examples/opengl/hellogl2/hellogl2.pro b/examples/opengl/hellogl2/hellogl2.pro index 3a52e04d74..834ae82e1f 100644 --- a/examples/opengl/hellogl2/hellogl2.pro +++ b/examples/opengl/hellogl2/hellogl2.pro @@ -8,7 +8,7 @@ SOURCES = glwidget.cpp \ mainwindow.cpp \ logo.cpp -QT += widgets +QT += widgets opengl # install target.path = $$[QT_INSTALL_EXAMPLES]/opengl/hellogl2 diff --git a/examples/opengl/qopenglwidget/qopenglwidget.pro b/examples/opengl/qopenglwidget/qopenglwidget.pro index 0165285c02..1df3de1290 100644 --- a/examples/opengl/qopenglwidget/qopenglwidget.pro +++ b/examples/opengl/qopenglwidget/qopenglwidget.pro @@ -1,4 +1,4 @@ -QT += widgets +QT += widgets opengl SOURCES += main.cpp \ glwidget.cpp \ diff --git a/examples/opengl/textures/textures.pro b/examples/opengl/textures/textures.pro index 7a7d19bee6..ae1ae4d34c 100644 --- a/examples/opengl/textures/textures.pro +++ b/examples/opengl/textures/textures.pro @@ -6,7 +6,7 @@ SOURCES = glwidget.cpp \ RESOURCES = textures.qrc -QT += widgets +QT += widgets opengl # install target.path = $$[QT_INSTALL_EXAMPLES]/opengl/textures diff --git a/examples/opengl/threadedqopenglwidget/threadedqopenglwidget.pro b/examples/opengl/threadedqopenglwidget/threadedqopenglwidget.pro index 4e941b28c4..70694459b2 100644 --- a/examples/opengl/threadedqopenglwidget/threadedqopenglwidget.pro +++ b/examples/opengl/threadedqopenglwidget/threadedqopenglwidget.pro @@ -1,4 +1,4 @@ -QT += widgets +QT += widgets opengl SOURCES += main.cpp \ glwidget.cpp \ diff --git a/examples/widgets/animation/sub-attaq/mainwindow.cpp b/examples/widgets/animation/sub-attaq/mainwindow.cpp index f9617a22eb..0c152c9180 100644 --- a/examples/widgets/animation/sub-attaq/mainwindow.cpp +++ b/examples/widgets/animation/sub-attaq/mainwindow.cpp @@ -59,10 +59,6 @@ #include <QMenuBar> #include <QLayout> -#ifndef QT_NO_OPENGL -# include <QtOpenGL> -#endif - MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { @@ -84,14 +80,5 @@ MainWindow::MainWindow(QWidget *parent) view = new QGraphicsView(scene, this); view->setAlignment(Qt::AlignLeft | Qt::AlignTop); scene->setupScene(newAction, quitAction); -#ifndef QT_NO_OPENGL - QGLWidget *glWidget = new QGLWidget(QGLFormat(QGL::SampleBuffers)); - if (glWidget->context()->isValid()) { - view->setViewport(glWidget); - } else { - qWarning("Unable to create an Open GL context with sample buffers, not using Open GL."); - delete glWidget; - } -#endif setCentralWidget(view); } diff --git a/examples/widgets/animation/sub-attaq/sub-attaq.pro b/examples/widgets/animation/sub-attaq/sub-attaq.pro index ac79fd4249..ea44253fa1 100644 --- a/examples/widgets/animation/sub-attaq/sub-attaq.pro +++ b/examples/widgets/animation/sub-attaq/sub-attaq.pro @@ -1,5 +1,4 @@ QT += widgets -qtHaveModule(opengl): QT += opengl HEADERS += boat.h \ bomb.h \ mainwindow.h \ diff --git a/examples/widgets/graphicsview/boxes/3rdparty/fbm.c b/examples/widgets/graphicsview/boxes/3rdparty/fbm.c deleted file mode 100644 index 3eebaabfba..0000000000 --- a/examples/widgets/graphicsview/boxes/3rdparty/fbm.c +++ /dev/null @@ -1,207 +0,0 @@ -/***************************************************************** - - Implementation of the fractional Brownian motion algorithm. These - functions were originally the work of F. Kenton Musgrave. - For documentation of the different functions please refer to the - book: - "Texturing and modeling: a procedural approach" - by David S. Ebert et. al. - -******************************************************************/ - -#if defined (_MSC_VER) -#include <qglobal.h> -#endif - -#include <time.h> -#include <stdlib.h> -#include "fbm.h" - -#if defined(Q_CC_MSVC) -#pragma warning(disable:4244) -#endif - -/* Definitions used by the noise2() functions */ - -//#define B 0x100 -//#define BM 0xff -#define B 0x20 -#define BM 0x1f - -#define N 0x1000 -#define NP 12 /* 2^N */ -#define NM 0xfff - -static int p[B + B + 2]; -static float g3[B + B + 2][3]; -static float g2[B + B + 2][2]; -static float g1[B + B + 2]; -static int start = 1; - -static void init(void); - -#define s_curve(t) ( t * t * (3. - 2. * t) ) - -#define lerp(t, a, b) ( a + t * (b - a) ) - -#define setup(i,b0,b1,r0,r1)\ - t = vec[i] + N;\ - b0 = ((int)t) & BM;\ - b1 = (b0+1) & BM;\ - r0 = t - (int)t;\ - r1 = r0 - 1.; -#define at3(rx,ry,rz) ( rx * q[0] + ry * q[1] + rz * q[2] ) - -/* Fractional Brownian Motion function */ - -double fBm( Vector point, double H, double lacunarity, double octaves, - int init ) -{ - - double value, frequency, remainder; - int i; - static double exponent_array[10]; - float vec[3]; - - /* precompute and store spectral weights */ - if ( init ) { - start = 1; - srand( time(0) ); - /* seize required memory for exponent_array */ - frequency = 1.0; - for (i=0; i<=octaves; i++) { - /* compute weight for each frequency */ - exponent_array[i] = pow( frequency, -H ); - frequency *= lacunarity; - } - } - - value = 0.0; /* initialize vars to proper values */ - frequency = 1.0; - vec[0]=point.x; - vec[1]=point.y; - vec[2]=point.z; - - - /* inner loop of spectral construction */ - for (i=0; i<octaves; i++) { - /* value += noise3( vec ) * exponent_array[i];*/ - value += noise3( vec ) * exponent_array[i]; - vec[0] *= lacunarity; - vec[1] *= lacunarity; - vec[2] *= lacunarity; - } /* for */ - - remainder = octaves - (int)octaves; - if ( remainder ) /* add in ``octaves'' remainder */ - /* ``i'' and spatial freq. are preset in loop above */ - value += remainder * noise3( vec ) * exponent_array[i]; - - return( value ); - -} /* fBm() */ - - -float noise3(float vec[3]) -{ - int bx0, bx1, by0, by1, bz0, bz1, b00, b10, b01, b11; - float rx0, rx1, ry0, ry1, rz0, rz1, *q, sy, sz, a, b, c, d, t, u, v; - int i, j; - - if (start) { - start = 0; - init(); - } - - setup(0, bx0,bx1, rx0,rx1); - setup(1, by0,by1, ry0,ry1); - setup(2, bz0,bz1, rz0,rz1); - - i = p[ bx0 ]; - j = p[ bx1 ]; - - b00 = p[ i + by0 ]; - b10 = p[ j + by0 ]; - b01 = p[ i + by1 ]; - b11 = p[ j + by1 ]; - - t = s_curve(rx0); - sy = s_curve(ry0); - sz = s_curve(rz0); - - - q = g3[ b00 + bz0 ] ; u = at3(rx0,ry0,rz0); - q = g3[ b10 + bz0 ] ; v = at3(rx1,ry0,rz0); - a = lerp(t, u, v); - - q = g3[ b01 + bz0 ] ; u = at3(rx0,ry1,rz0); - q = g3[ b11 + bz0 ] ; v = at3(rx1,ry1,rz0); - b = lerp(t, u, v); - - c = lerp(sy, a, b); - - q = g3[ b00 + bz1 ] ; u = at3(rx0,ry0,rz1); - q = g3[ b10 + bz1 ] ; v = at3(rx1,ry0,rz1); - a = lerp(t, u, v); - - q = g3[ b01 + bz1 ] ; u = at3(rx0,ry1,rz1); - q = g3[ b11 + bz1 ] ; v = at3(rx1,ry1,rz1); - b = lerp(t, u, v); - - d = lerp(sy, a, b); - - return lerp(sz, c, d); -} - -static void normalize2(float v[2]) -{ - float s; - - s = sqrt(v[0] * v[0] + v[1] * v[1]); - v[0] = v[0] / s; - v[1] = v[1] / s; -} - -static void normalize3(float v[3]) -{ - float s; - - s = sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]); - v[0] = v[0] / s; - v[1] = v[1] / s; - v[2] = v[2] / s; -} - -static void init(void) -{ - int i, j, k; - - for (i = 0 ; i < B ; i++) { - p[i] = i; - - g1[i] = (float)((rand() % (B + B)) - B) / B; - - for (j = 0 ; j < 2 ; j++) - g2[i][j] = (float)((rand() % (B + B)) - B) / B; - normalize2(g2[i]); - - for (j = 0 ; j < 3 ; j++) - g3[i][j] = (float)((rand() % (B + B)) - B) / B; - normalize3(g3[i]); - } - - while (--i) { - k = p[i]; - p[i] = p[j = rand() % B]; - p[j] = k; - } - - for (i = 0 ; i < B + 2 ; i++) { - p[B + i] = p[i]; - g1[B + i] = g1[i]; - for (j = 0 ; j < 2 ; j++) - g2[B + i][j] = g2[i][j]; - for (j = 0 ; j < 3 ; j++) - g3[B + i][j] = g3[i][j]; - } -} diff --git a/examples/widgets/graphicsview/boxes/3rdparty/fbm.h b/examples/widgets/graphicsview/boxes/3rdparty/fbm.h deleted file mode 100644 index b8a4a99ae4..0000000000 --- a/examples/widgets/graphicsview/boxes/3rdparty/fbm.h +++ /dev/null @@ -1,40 +0,0 @@ -/***************************************************************** - - Prototypes for the fractional Brownian motion algorithm. These - functions were originally the work of F. Kenton Musgrave. For - documentation of the different functions please refer to the book: - "Texturing and modeling: a procedural approach" - by David S. Ebert et. al. - -******************************************************************/ - -#ifndef _fbm_h -#define _fbm_h - -#include <math.h> - -#ifdef __cplusplus -extern "C" { -#endif - -//#define TRUE 1 -//#define FALSE 0 - -typedef struct { - double x; - double y; - double z; -} Vector; - -float noise3(float vec[]); -double fBm( Vector point, double H, double lacunarity, double octaves, - int init ); -#endif - -#ifdef __cplusplus -} -#endif - - - - diff --git a/examples/widgets/graphicsview/boxes/basic.fsh b/examples/widgets/graphicsview/boxes/basic.fsh deleted file mode 100644 index 327daeef54..0000000000 --- a/examples/widgets/graphicsview/boxes/basic.fsh +++ /dev/null @@ -1,82 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform vec4 basicColor; - -void main() -{ - vec3 N = normalize(normal); - // assume directional light - - gl_MaterialParameters M = gl_FrontMaterial; - - float NdotL = dot(N, lightDirection.xyz); - float RdotL = dot(reflect(normalize(position), N), lightDirection.xyz); - - vec3 absN = abs(gl_TexCoord[1].xyz); - vec3 texCoord; - if (absN.x > absN.y && absN.x > absN.z) - texCoord = gl_TexCoord[1].yzx; - else if (absN.y > absN.z) - texCoord = gl_TexCoord[1].zxy; - else - texCoord = gl_TexCoord[1].xyz; - texCoord.y *= -sign(texCoord.z); - texCoord += 0.5; - - vec4 texColor = texture2D(tex, texCoord.xy); - vec4 unlitColor = gl_Color * mix(basicColor, vec4(texColor.xyz, 1.0), texColor.w); - gl_FragColor = (ambient + diffuse * max(NdotL, 0.0)) * unlitColor + - M.specular * specular * pow(max(RdotL, 0.0), M.shininess); -} diff --git a/examples/widgets/graphicsview/boxes/basic.vsh b/examples/widgets/graphicsview/boxes/basic.vsh deleted file mode 100644 index 454e0bd903..0000000000 --- a/examples/widgets/graphicsview/boxes/basic.vsh +++ /dev/null @@ -1,70 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform mat4 view; - -void main() -{ - gl_TexCoord[0] = gl_MultiTexCoord0; - gl_TexCoord[1] = gl_Vertex; - specular = gl_LightSource[0].specular; - ambient = gl_LightSource[0].ambient; - diffuse = gl_LightSource[0].diffuse; - lightDirection = view * gl_LightSource[0].position; - - normal = gl_NormalMatrix * gl_Normal; - position = (gl_ModelViewMatrix * gl_Vertex).xyz; - - gl_FrontColor = gl_Color; - gl_Position = ftransform(); -} diff --git a/examples/widgets/graphicsview/boxes/boxes.pro b/examples/widgets/graphicsview/boxes/boxes.pro deleted file mode 100644 index 601edd6883..0000000000 --- a/examples/widgets/graphicsview/boxes/boxes.pro +++ /dev/null @@ -1,27 +0,0 @@ -QT += opengl widgets -requires(qtConfig(combobox)) - -qtConfig(opengles.|angle|dynamicgl): error("This example requires Qt to be configured with -opengl desktop") - -HEADERS += 3rdparty/fbm.h \ - glbuffers.h \ - glextensions.h \ - gltrianglemesh.h \ - qtbox.h \ - roundedbox.h \ - scene.h \ - trackball.h -SOURCES += 3rdparty/fbm.c \ - glbuffers.cpp \ - glextensions.cpp \ - main.cpp \ - qtbox.cpp \ - roundedbox.cpp \ - scene.cpp \ - trackball.cpp - -RESOURCES += boxes.qrc - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/widgets/graphicsview/boxes -INSTALLS += target diff --git a/examples/widgets/graphicsview/boxes/boxes.qrc b/examples/widgets/graphicsview/boxes/boxes.qrc deleted file mode 100644 index d27506dc5a..0000000000 --- a/examples/widgets/graphicsview/boxes/boxes.qrc +++ /dev/null @@ -1,25 +0,0 @@ -<!DOCTYPE RCC><RCC version="1.0"> -<qresource prefix="/res/boxes"> - <file>cubemap_negx.jpg</file> - <file>cubemap_negy.jpg</file> - <file>cubemap_negz.jpg</file> - <file>cubemap_posx.jpg</file> - <file>cubemap_posy.jpg</file> - <file>cubemap_posz.jpg</file> - <file>square.jpg</file> - <file>basic.vsh</file> - <file>basic.fsh</file> - <file>dotted.fsh</file> - <file>fresnel.fsh</file> - <file>glass.fsh</file> - <file>granite.fsh</file> - <file>marble.fsh</file> - <file>reflection.fsh</file> - <file>refraction.fsh</file> - <file>wood.fsh</file> - <file>parameters.par</file> - <file>qt-logo.png</file> - <file>smiley.png</file> - <file>qt-logo.jpg</file> -</qresource> -</RCC> diff --git a/examples/widgets/graphicsview/boxes/cubemap_negx.jpg b/examples/widgets/graphicsview/boxes/cubemap_negx.jpg Binary files differdeleted file mode 100644 index 07c282eab9..0000000000 --- a/examples/widgets/graphicsview/boxes/cubemap_negx.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/cubemap_negy.jpg b/examples/widgets/graphicsview/boxes/cubemap_negy.jpg Binary files differdeleted file mode 100644 index 46cd2f9cf3..0000000000 --- a/examples/widgets/graphicsview/boxes/cubemap_negy.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/cubemap_negz.jpg b/examples/widgets/graphicsview/boxes/cubemap_negz.jpg Binary files differdeleted file mode 100644 index 40c01ddff3..0000000000 --- a/examples/widgets/graphicsview/boxes/cubemap_negz.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/cubemap_posx.jpg b/examples/widgets/graphicsview/boxes/cubemap_posx.jpg Binary files differdeleted file mode 100644 index 0b42e8a1b1..0000000000 --- a/examples/widgets/graphicsview/boxes/cubemap_posx.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/cubemap_posy.jpg b/examples/widgets/graphicsview/boxes/cubemap_posy.jpg Binary files differdeleted file mode 100644 index 2aca9b1e98..0000000000 --- a/examples/widgets/graphicsview/boxes/cubemap_posy.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/cubemap_posz.jpg b/examples/widgets/graphicsview/boxes/cubemap_posz.jpg Binary files differdeleted file mode 100644 index 2e49173848..0000000000 --- a/examples/widgets/graphicsview/boxes/cubemap_posz.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/dotted.fsh b/examples/widgets/graphicsview/boxes/dotted.fsh deleted file mode 100644 index 5cbf590e21..0000000000 --- a/examples/widgets/graphicsview/boxes/dotted.fsh +++ /dev/null @@ -1,75 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; - -void main() -{ - vec3 N = normalize(normal); - - gl_MaterialParameters M = gl_FrontMaterial; - - // assume directional light - float NdotL = dot(N, lightDirection.xyz); - float RdotL = dot(reflect(normalize(position), N), lightDirection.xyz); - - float r1 = length(fract(7.0 * gl_TexCoord[1].xyz) - 0.5); - float r2 = length(fract(5.0 * gl_TexCoord[1].xyz + 0.2) - 0.5); - float r3 = length(fract(11.0 * gl_TexCoord[1].xyz + 0.7) - 0.5); - vec4 rs = vec4(r1, r2, r3, 0.0); - - vec4 unlitColor = gl_Color * (0.8 - clamp(10.0 * (0.4 - rs), 0.0, 0.2)); - unlitColor.w = 1.0; - gl_FragColor = (ambient + diffuse * max(NdotL, 0.0)) * unlitColor + - M.specular * specular * pow(max(RdotL, 0.0), M.shininess); -} diff --git a/examples/widgets/graphicsview/boxes/fresnel.fsh b/examples/widgets/graphicsview/boxes/fresnel.fsh deleted file mode 100644 index 6758ad5770..0000000000 --- a/examples/widgets/graphicsview/boxes/fresnel.fsh +++ /dev/null @@ -1,88 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform samplerCube env; -uniform mat4 view; -uniform vec4 basicColor; - -void main() -{ - vec3 N = normalize(normal); - // assume directional light - - gl_MaterialParameters M = gl_FrontMaterial; - - float NdotL = dot(N, lightDirection.xyz); - float RdotL = dot(reflect(normalize(position), N), lightDirection.xyz); - - vec3 absN = abs(gl_TexCoord[1].xyz); - vec3 texCoord; - if (absN.x > absN.y && absN.x > absN.z) - texCoord = gl_TexCoord[1].yzx; - else if (absN.y > absN.z) - texCoord = gl_TexCoord[1].zxy; - else - texCoord = gl_TexCoord[1].xyz; - texCoord.y *= -sign(texCoord.z); - texCoord += 0.5; - - vec4 texColor = texture2D(tex, texCoord.xy); - vec4 unlitColor = gl_Color * mix(basicColor, vec4(texColor.xyz, 1.0), texColor.w); - vec4 litColor = (ambient + diffuse * max(NdotL, 0.0)) * unlitColor + - M.specular * specular * pow(max(RdotL, 0.0), M.shininess); - - vec3 R = 2.0 * dot(-position, N) * N + position; - vec4 reflectedColor = textureCube(env, R * mat3(view[0].xyz, view[1].xyz, view[2].xyz)); - gl_FragColor = mix(litColor, reflectedColor, 0.2 + 0.8 * pow(1.0 + dot(N, normalize(position)), 2.0)); -} diff --git a/examples/widgets/graphicsview/boxes/glass.fsh b/examples/widgets/graphicsview/boxes/glass.fsh deleted file mode 100644 index 528d04e4d3..0000000000 --- a/examples/widgets/graphicsview/boxes/glass.fsh +++ /dev/null @@ -1,85 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform samplerCube env; -uniform mat4 view; - -// Some arbitrary values -// Arrays don't work here on glsl < 120, apparently. -//const float coeffs[6] = float[6](1.0/4.0, 1.0/4.1, 1.0/4.2, 1.0/4.3, 1.0/4.4, 1.0/4.5); -float coeffs(int i) -{ - return 1.0 / (3.0 + 0.1 * float(i)); -} - -void main() -{ - vec3 N = normalize(normal); - vec3 I = -normalize(position); - mat3 V = mat3(view[0].xyz, view[1].xyz, view[2].xyz); - float IdotN = dot(I, N); - float scales[6]; - vec3 C[6]; - for (int i = 0; i < 6; ++i) { - scales[i] = (IdotN - sqrt(1.0 - coeffs(i) + coeffs(i) * (IdotN * IdotN))); - C[i] = textureCube(env, (-I + coeffs(i) * N) * V).xyz; - } - vec4 refractedColor = 0.25 * vec4(C[5].x + 2.0*C[0].x + C[1].x, C[1].y + 2.0*C[2].y + C[3].y, - C[3].z + 2.0*C[4].z + C[5].z, 4.0); - - vec3 R = 2.0 * dot(-position, N) * N + position; - vec4 reflectedColor = textureCube(env, R * V); - - gl_FragColor = mix(refractedColor, reflectedColor, 0.4 + 0.6 * pow(1.0 - IdotN, 2.0)); -} diff --git a/examples/widgets/graphicsview/boxes/glbuffers.cpp b/examples/widgets/graphicsview/boxes/glbuffers.cpp deleted file mode 100644 index 91de336af3..0000000000 --- a/examples/widgets/graphicsview/boxes/glbuffers.cpp +++ /dev/null @@ -1,406 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "glbuffers.h" - -void qgluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar) -{ - const GLdouble ymax = zNear * tan(qDegreesToRadians(fovy) / 2.0); - const GLdouble ymin = -ymax; - const GLdouble xmin = ymin * aspect; - const GLdouble xmax = ymax * aspect; - glFrustum(xmin, xmax, ymin, ymax, zNear, zFar); -} - -//============================================================================// -// GLTexture // -//============================================================================// - -GLTexture::GLTexture() -{ - glGenTextures(1, &m_texture); -} - -GLTexture::~GLTexture() -{ - glDeleteTextures(1, &m_texture); -} - -//============================================================================// -// GLTexture2D // -//============================================================================// - -GLTexture2D::GLTexture2D(int width, int height) -{ - glBindTexture(GL_TEXTURE_2D, m_texture); - glTexImage2D(GL_TEXTURE_2D, 0, 4, width, height, 0, - GL_BGRA, GL_UNSIGNED_BYTE, nullptr); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - //glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); - glBindTexture(GL_TEXTURE_2D, 0); -} - - -GLTexture2D::GLTexture2D(const QString &fileName, int width, int height) -{ - // TODO: Add error handling. - QImage image(fileName); - - if (image.isNull()) { - m_failed = true; - return; - } - - image = image.convertToFormat(QImage::Format_ARGB32); - - //qDebug() << "Image size:" << image.width() << "x" << image.height(); - if (width <= 0) - width = image.width(); - if (height <= 0) - height = image.height(); - if (width != image.width() || height != image.height()) - image = image.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); - - glBindTexture(GL_TEXTURE_2D, m_texture); - - // Works on x86, so probably works on all little-endian systems. - // Does it work on big-endian systems? - glTexImage2D(GL_TEXTURE_2D, 0, 4, image.width(), image.height(), 0, - GL_BGRA, GL_UNSIGNED_BYTE, image.bits()); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - //glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - //glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); - glBindTexture(GL_TEXTURE_2D, 0); -} - -void GLTexture2D::load(int width, int height, QRgb *data) -{ - glBindTexture(GL_TEXTURE_2D, m_texture); - glTexImage2D(GL_TEXTURE_2D, 0, 4, width, height, 0, - GL_BGRA, GL_UNSIGNED_BYTE, data); - glBindTexture(GL_TEXTURE_2D, 0); -} - -void GLTexture2D::bind() -{ - glBindTexture(GL_TEXTURE_2D, m_texture); - glEnable(GL_TEXTURE_2D); -} - -void GLTexture2D::unbind() -{ - glBindTexture(GL_TEXTURE_2D, 0); - glDisable(GL_TEXTURE_2D); -} - - -//============================================================================// -// GLTexture3D // -//============================================================================// - -GLTexture3D::GLTexture3D(int width, int height, int depth) -{ - GLBUFFERS_ASSERT_OPENGL("GLTexture3D::GLTexture3D", glTexImage3D, return) - - glBindTexture(GL_TEXTURE_3D, m_texture); - glTexImage3D(GL_TEXTURE_3D, 0, 4, width, height, depth, 0, - GL_BGRA, GL_UNSIGNED_BYTE, nullptr); - - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - //glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - //glTexParameteri(GL_TEXTURE_3D, GL_GENERATE_MIPMAP, GL_TRUE); - glBindTexture(GL_TEXTURE_3D, 0); -} - -void GLTexture3D::load(int width, int height, int depth, QRgb *data) -{ - GLBUFFERS_ASSERT_OPENGL("GLTexture3D::load", glTexImage3D, return) - - glBindTexture(GL_TEXTURE_3D, m_texture); - glTexImage3D(GL_TEXTURE_3D, 0, 4, width, height, depth, 0, - GL_BGRA, GL_UNSIGNED_BYTE, data); - glBindTexture(GL_TEXTURE_3D, 0); -} - -void GLTexture3D::bind() -{ - glBindTexture(GL_TEXTURE_3D, m_texture); - glEnable(GL_TEXTURE_3D); -} - -void GLTexture3D::unbind() -{ - glBindTexture(GL_TEXTURE_3D, 0); - glDisable(GL_TEXTURE_3D); -} - -//============================================================================// -// GLTextureCube // -//============================================================================// - -GLTextureCube::GLTextureCube(int size) -{ - glBindTexture(GL_TEXTURE_CUBE_MAP, m_texture); - - for (int i = 0; i < 6; ++i) - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 4, size, size, 0, - GL_BGRA, GL_UNSIGNED_BYTE, nullptr); - - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - //glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - //glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_GENERATE_MIPMAP, GL_TRUE); - glBindTexture(GL_TEXTURE_CUBE_MAP, 0); -} - -GLTextureCube::GLTextureCube(const QStringList &fileNames, int size) -{ - // TODO: Add error handling. - - glBindTexture(GL_TEXTURE_CUBE_MAP, m_texture); - - int index = 0; - for (const QString &file : fileNames) { - QImage image(file); - if (image.isNull()) { - m_failed = true; - break; - } - - image = image.convertToFormat(QImage::Format_ARGB32); - - //qDebug() << "Image size:" << image.width() << "x" << image.height(); - if (size <= 0) - size = image.width(); - if (size != image.width() || size != image.height()) - image = image.scaled(size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); - - // Works on x86, so probably works on all little-endian systems. - // Does it work on big-endian systems? - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + index, 0, 4, image.width(), image.height(), 0, - GL_BGRA, GL_UNSIGNED_BYTE, image.bits()); - - if (++index == 6) - break; - } - - // Clear remaining faces. - while (index < 6) { - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + index, 0, 4, size, size, 0, - GL_BGRA, GL_UNSIGNED_BYTE, nullptr); - ++index; - } - - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - //glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - //glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_GENERATE_MIPMAP, GL_TRUE); - glBindTexture(GL_TEXTURE_CUBE_MAP, 0); -} - -void GLTextureCube::load(int size, int face, QRgb *data) -{ - glBindTexture(GL_TEXTURE_CUBE_MAP, m_texture); - glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, 0, 4, size, size, 0, - GL_BGRA, GL_UNSIGNED_BYTE, data); - glBindTexture(GL_TEXTURE_CUBE_MAP, 0); -} - -void GLTextureCube::bind() -{ - glBindTexture(GL_TEXTURE_CUBE_MAP, m_texture); - glEnable(GL_TEXTURE_CUBE_MAP); -} - -void GLTextureCube::unbind() -{ - glBindTexture(GL_TEXTURE_CUBE_MAP, 0); - glDisable(GL_TEXTURE_CUBE_MAP); -} - -//============================================================================// -// GLFrameBufferObject // -//============================================================================// - -GLFrameBufferObject::GLFrameBufferObject(int width, int height) - : m_width(width) - , m_height(height) -{ - GLBUFFERS_ASSERT_OPENGL("GLFrameBufferObject::GLFrameBufferObject", - glGenFramebuffersEXT && glGenRenderbuffersEXT && glBindRenderbufferEXT && glRenderbufferStorageEXT, return) - - // TODO: share depth buffers of same size - glGenFramebuffersEXT(1, &m_fbo); - //glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - glGenRenderbuffersEXT(1, &m_depthBuffer); - glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, m_depthBuffer); - glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, m_width, m_height); - //glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, m_depthBuffer); - //glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); -} - -GLFrameBufferObject::~GLFrameBufferObject() -{ - GLBUFFERS_ASSERT_OPENGL("GLFrameBufferObject::~GLFrameBufferObject", - glDeleteFramebuffersEXT && glDeleteRenderbuffersEXT, return) - - glDeleteFramebuffersEXT(1, &m_fbo); - glDeleteRenderbuffersEXT(1, &m_depthBuffer); -} - -void GLFrameBufferObject::setAsRenderTarget(bool state) -{ - GLBUFFERS_ASSERT_OPENGL("GLFrameBufferObject::setAsRenderTarget", glBindFramebufferEXT, return) - - if (state) { - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - glPushAttrib(GL_VIEWPORT_BIT); - glViewport(0, 0, m_width, m_height); - } else { - glPopAttrib(); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - } -} - -bool GLFrameBufferObject::isComplete() -{ - GLBUFFERS_ASSERT_OPENGL("GLFrameBufferObject::isComplete", glCheckFramebufferStatusEXT, return false) - - return GL_FRAMEBUFFER_COMPLETE_EXT == glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); -} - -//============================================================================// -// GLRenderTargetCube // -//============================================================================// - -GLRenderTargetCube::GLRenderTargetCube(int size) - : GLTextureCube(size) - , m_fbo(size, size) -{ -} - -void GLRenderTargetCube::begin(int face) -{ - GLBUFFERS_ASSERT_OPENGL("GLRenderTargetCube::begin", - glFramebufferTexture2DEXT && glFramebufferRenderbufferEXT, return) - - m_fbo.setAsRenderTarget(true); - glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, - GL_TEXTURE_CUBE_MAP_POSITIVE_X + face, m_texture, 0); - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, m_fbo.m_depthBuffer); -} - -void GLRenderTargetCube::end() -{ - m_fbo.setAsRenderTarget(false); -} - -void GLRenderTargetCube::getViewMatrix(QMatrix4x4& mat, int face) -{ - if (face < 0 || face >= 6) { - qWarning("GLRenderTargetCube::getViewMatrix: 'face' must be in the range [0, 6). (face == %d)", face); - return; - } - - static constexpr int perm[6][3] = { - {2, 1, 0}, - {2, 1, 0}, - {0, 2, 1}, - {0, 2, 1}, - {0, 1, 2}, - {0, 1, 2}, - }; - - static constexpr float signs[6][3] = { - {-1.0f, -1.0f, -1.0f}, - {+1.0f, -1.0f, +1.0f}, - {+1.0f, +1.0f, -1.0f}, - {+1.0f, -1.0f, +1.0f}, - {+1.0f, -1.0f, -1.0f}, - {-1.0f, -1.0f, +1.0f}, - }; - - mat.fill(0.0f); - for (int i = 0; i < 3; ++i) - mat(i, perm[face][i]) = signs[face][i]; - mat(3, 3) = 1.0f; -} - -void GLRenderTargetCube::getProjectionMatrix(QMatrix4x4& mat, float nearZ, float farZ) -{ - static const QMatrix4x4 reference( - 1.0f, 0.0f, 0.0f, 0.0f, - 0.0f, 1.0f, 0.0f, 0.0f, - 0.0f, 0.0f, 0.0f, 0.0f, - 0.0f, 0.0f, -1.0f, 0.0f); - - mat = reference; - mat(2, 2) = (nearZ+farZ)/(nearZ-farZ); - mat(2, 3) = 2.0f*nearZ*farZ/(nearZ-farZ); -} diff --git a/examples/widgets/graphicsview/boxes/glbuffers.h b/examples/widgets/graphicsview/boxes/glbuffers.h deleted file mode 100644 index 4318e8ac24..0000000000 --- a/examples/widgets/graphicsview/boxes/glbuffers.h +++ /dev/null @@ -1,372 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GLBUFFERS_H -#define GLBUFFERS_H - -//#include <GL/glew.h> -#include "glextensions.h" - -#include <QtWidgets> -#include <QtOpenGL> - -#define BUFFER_OFFSET(i) ((char*)0 + (i)) -#define SIZE_OF_MEMBER(cls, member) sizeof(static_cast<cls *>(nullptr)->member) - -#define GLBUFFERS_ASSERT_OPENGL(prefix, assertion, returnStatement) \ -if (m_failed || !(assertion)) { \ - if (!m_failed) qCritical(prefix ": The necessary OpenGL functions are not available."); \ - m_failed = true; \ - returnStatement; \ -} - -void qgluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar); - -QT_BEGIN_NAMESPACE -class QMatrix4x4; -QT_END_NAMESPACE - -class GLTexture -{ -public: - GLTexture(); - virtual ~GLTexture(); - virtual void bind() = 0; - virtual void unbind() = 0; - virtual bool failed() const {return m_failed;} -protected: - GLuint m_texture = 0; - bool m_failed = false; -}; - -class GLFrameBufferObject -{ -public: - friend class GLRenderTargetCube; - // friend class GLRenderTarget2D; - - GLFrameBufferObject(int width, int height); - virtual ~GLFrameBufferObject(); - bool isComplete(); - virtual bool failed() const {return m_failed;} -protected: - void setAsRenderTarget(bool state = true); - GLuint m_fbo = 0; - GLuint m_depthBuffer = 0; - int m_width, m_height; - bool m_failed = false; -}; - -class GLTexture2D : public GLTexture -{ -public: - GLTexture2D(int width, int height); - explicit GLTexture2D(const QString &fileName, int width = 0, int height = 0); - void load(int width, int height, QRgb *data); - void bind() override; - void unbind() override; -}; - -class GLTexture3D : public GLTexture -{ -public: - GLTexture3D(int width, int height, int depth); - // TODO: Implement function below - //GLTexture3D(const QString& fileName, int width = 0, int height = 0); - void load(int width, int height, int depth, QRgb *data); - void bind() override; - void unbind() override; -}; - -class GLTextureCube : public GLTexture -{ -public: - GLTextureCube(int size); - explicit GLTextureCube(const QStringList &fileNames, int size = 0); - void load(int size, int face, QRgb *data); - void bind() override; - void unbind() override; -}; - -// TODO: Define and implement class below -//class GLRenderTarget2D : public GLTexture2D - -class GLRenderTargetCube : public GLTextureCube -{ -public: - GLRenderTargetCube(int size); - // begin rendering to one of the cube's faces. 0 <= face < 6 - void begin(int face); - // end rendering - void end(); - bool failed() const override { return m_failed || m_fbo.failed(); } - - static void getViewMatrix(QMatrix4x4& mat, int face); - static void getProjectionMatrix(QMatrix4x4& mat, float nearZ, float farZ); -private: - GLFrameBufferObject m_fbo; -}; - -struct VertexDescription -{ - enum - { - Null = 0, // Terminates a VertexDescription array - Position, - TexCoord, - Normal, - Color, - }; - int field; // Position, TexCoord, Normal, Color - int type; // GL_FLOAT, GL_UNSIGNED_BYTE - int count; // number of elements - int offset; // field's offset into vertex struct - int index; // 0 (unused at the moment) -}; - -// Implementation of interleaved buffers. -// 'T' is a struct which must include a null-terminated static array -// 'VertexDescription* description'. -// Example: -/* -struct Vertex -{ - GLfloat position[3]; - GLfloat texCoord[2]; - GLfloat normal[3]; - GLbyte color[4]; - static VertexDescription description[]; -}; - -VertexDescription Vertex::description[] = { - {VertexDescription::Position, GL_FLOAT, SIZE_OF_MEMBER(Vertex, position) / sizeof(GLfloat), offsetof(Vertex, position), 0}, - {VertexDescription::TexCoord, GL_FLOAT, SIZE_OF_MEMBER(Vertex, texCoord) / sizeof(GLfloat), offsetof(Vertex, texCoord), 0}, - {VertexDescription::Normal, GL_FLOAT, SIZE_OF_MEMBER(Vertex, normal) / sizeof(GLfloat), offsetof(Vertex, normal), 0}, - {VertexDescription::Color, GL_BYTE, SIZE_OF_MEMBER(Vertex, color) / sizeof(GLbyte), offsetof(Vertex, color), 0}, - {VertexDescription::Null, 0, 0, 0, 0}, -}; -*/ -template<class T> -class GLVertexBuffer -{ -public: - GLVertexBuffer(int length, const T *data = nullptr, int mode = GL_STATIC_DRAW) - { - GLBUFFERS_ASSERT_OPENGL("GLVertexBuffer::GLVertexBuffer", glGenBuffers && glBindBuffer && glBufferData, return) - - glGenBuffers(1, &m_buffer); - glBindBuffer(GL_ARRAY_BUFFER, m_buffer); - glBufferData(GL_ARRAY_BUFFER, (m_length = length) * sizeof(T), data, mode); - } - - ~GLVertexBuffer() - { - GLBUFFERS_ASSERT_OPENGL("GLVertexBuffer::~GLVertexBuffer", glDeleteBuffers, return) - - glDeleteBuffers(1, &m_buffer); - } - - void bind() - { - GLBUFFERS_ASSERT_OPENGL("GLVertexBuffer::bind", glBindBuffer, return) - - glBindBuffer(GL_ARRAY_BUFFER, m_buffer); - for (VertexDescription *desc = T::description; desc->field != VertexDescription::Null; ++desc) { - switch (desc->field) { - case VertexDescription::Position: - glVertexPointer(desc->count, desc->type, sizeof(T), BUFFER_OFFSET(desc->offset)); - glEnableClientState(GL_VERTEX_ARRAY); - break; - case VertexDescription::TexCoord: - glTexCoordPointer(desc->count, desc->type, sizeof(T), BUFFER_OFFSET(desc->offset)); - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - break; - case VertexDescription::Normal: - glNormalPointer(desc->type, sizeof(T), BUFFER_OFFSET(desc->offset)); - glEnableClientState(GL_NORMAL_ARRAY); - break; - case VertexDescription::Color: - glColorPointer(desc->count, desc->type, sizeof(T), BUFFER_OFFSET(desc->offset)); - glEnableClientState(GL_COLOR_ARRAY); - break; - default: - break; - } - } - } - - void unbind() - { - GLBUFFERS_ASSERT_OPENGL("GLVertexBuffer::unbind", glBindBuffer, return) - - glBindBuffer(GL_ARRAY_BUFFER, 0); - for (VertexDescription *desc = T::description; desc->field != VertexDescription::Null; ++desc) { - switch (desc->field) { - case VertexDescription::Position: - glDisableClientState(GL_VERTEX_ARRAY); - break; - case VertexDescription::TexCoord: - glDisableClientState(GL_TEXTURE_COORD_ARRAY); - break; - case VertexDescription::Normal: - glDisableClientState(GL_NORMAL_ARRAY); - break; - case VertexDescription::Color: - glDisableClientState(GL_COLOR_ARRAY); - break; - default: - break; - } - } - } - - int length() const {return m_length;} - - T *lock() - { - GLBUFFERS_ASSERT_OPENGL("GLVertexBuffer::lock", glBindBuffer && glMapBuffer, return nullptr) - - glBindBuffer(GL_ARRAY_BUFFER, m_buffer); - //glBufferData(GL_ARRAY_BUFFER, m_length, NULL, m_mode); - GLvoid* buffer = glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE); - m_failed = (buffer == nullptr); - return reinterpret_cast<T *>(buffer); - } - - void unlock() - { - GLBUFFERS_ASSERT_OPENGL("GLVertexBuffer::unlock", glBindBuffer && glUnmapBuffer, return) - - glBindBuffer(GL_ARRAY_BUFFER, m_buffer); - glUnmapBuffer(GL_ARRAY_BUFFER); - } - - bool failed() - { - return m_failed; - } - -private: - int m_length = 0; - int m_mode = 0; - GLuint m_buffer = 0; - bool m_failed = false; -}; - -template<class T> -class GLIndexBuffer -{ -public: - GLIndexBuffer(int length, const T *data = nullptr, int mode = GL_STATIC_DRAW) - : m_length(0) - , m_mode(mode) - , m_buffer(0) - , m_failed(false) - { - GLBUFFERS_ASSERT_OPENGL("GLIndexBuffer::GLIndexBuffer", glGenBuffers && glBindBuffer && glBufferData, return) - - glGenBuffers(1, &m_buffer); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_buffer); - glBufferData(GL_ELEMENT_ARRAY_BUFFER, (m_length = length) * sizeof(T), data, mode); - } - - ~GLIndexBuffer() - { - GLBUFFERS_ASSERT_OPENGL("GLIndexBuffer::~GLIndexBuffer", glDeleteBuffers, return) - - glDeleteBuffers(1, &m_buffer); - } - - void bind() - { - GLBUFFERS_ASSERT_OPENGL("GLIndexBuffer::bind", glBindBuffer, return) - - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_buffer); - } - - void unbind() - { - GLBUFFERS_ASSERT_OPENGL("GLIndexBuffer::unbind", glBindBuffer, return) - - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); - } - - int length() const {return m_length;} - - T *lock() - { - GLBUFFERS_ASSERT_OPENGL("GLIndexBuffer::lock", glBindBuffer && glMapBuffer, return nullptr) - - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_buffer); - GLvoid* buffer = glMapBuffer(GL_ELEMENT_ARRAY_BUFFER, GL_READ_WRITE); - m_failed = (buffer == nullptr); - return reinterpret_cast<T *>(buffer); - } - - void unlock() - { - GLBUFFERS_ASSERT_OPENGL("GLIndexBuffer::unlock", glBindBuffer && glUnmapBuffer, return) - - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_buffer); - glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER); - } - - bool failed() - { - return m_failed; - } - -private: - int m_length, m_mode; - GLuint m_buffer; - bool m_failed; -}; - -#endif diff --git a/examples/widgets/graphicsview/boxes/glextensions.cpp b/examples/widgets/graphicsview/boxes/glextensions.cpp deleted file mode 100644 index ac89911046..0000000000 --- a/examples/widgets/graphicsview/boxes/glextensions.cpp +++ /dev/null @@ -1,107 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "glextensions.h" - -#define RESOLVE_GL_FUNC(f) ok &= bool((f = (_gl##f) context->getProcAddress(QLatin1String("gl" #f)))); - -bool GLExtensionFunctions::resolve(const QGLContext *context) -{ - bool ok = true; - - RESOLVE_GL_FUNC(GenFramebuffersEXT) - RESOLVE_GL_FUNC(GenRenderbuffersEXT) - RESOLVE_GL_FUNC(BindRenderbufferEXT) - RESOLVE_GL_FUNC(RenderbufferStorageEXT) - RESOLVE_GL_FUNC(DeleteFramebuffersEXT) - RESOLVE_GL_FUNC(DeleteRenderbuffersEXT) - RESOLVE_GL_FUNC(BindFramebufferEXT) - RESOLVE_GL_FUNC(FramebufferTexture2DEXT) - RESOLVE_GL_FUNC(FramebufferRenderbufferEXT) - RESOLVE_GL_FUNC(CheckFramebufferStatusEXT) - - RESOLVE_GL_FUNC(ActiveTexture) - RESOLVE_GL_FUNC(TexImage3D) - - RESOLVE_GL_FUNC(GenBuffers) - RESOLVE_GL_FUNC(BindBuffer) - RESOLVE_GL_FUNC(BufferData) - RESOLVE_GL_FUNC(DeleteBuffers) - RESOLVE_GL_FUNC(MapBuffer) - RESOLVE_GL_FUNC(UnmapBuffer) - - return ok; -} - -bool GLExtensionFunctions::fboSupported() { - return GenFramebuffersEXT - && GenRenderbuffersEXT - && BindRenderbufferEXT - && RenderbufferStorageEXT - && DeleteFramebuffersEXT - && DeleteRenderbuffersEXT - && BindFramebufferEXT - && FramebufferTexture2DEXT - && FramebufferRenderbufferEXT - && CheckFramebufferStatusEXT; -} - -bool GLExtensionFunctions::openGL15Supported() { - return ActiveTexture - && TexImage3D - && GenBuffers - && BindBuffer - && BufferData - && DeleteBuffers - && MapBuffer - && UnmapBuffer; -} - -#undef RESOLVE_GL_FUNC diff --git a/examples/widgets/graphicsview/boxes/glextensions.h b/examples/widgets/graphicsview/boxes/glextensions.h deleted file mode 100644 index 685700d866..0000000000 --- a/examples/widgets/graphicsview/boxes/glextensions.h +++ /dev/null @@ -1,204 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GLEXTENSIONS_H -#define GLEXTENSIONS_H - -#include <QtOpenGL> - -/* -Functions resolved: - -glGenFramebuffersEXT -glGenRenderbuffersEXT -glBindRenderbufferEXT -glRenderbufferStorageEXT -glDeleteFramebuffersEXT -glDeleteRenderbuffersEXT -glBindFramebufferEXT -glFramebufferTexture2DEXT -glFramebufferRenderbufferEXT -glCheckFramebufferStatusEXT - -glActiveTexture -glTexImage3D - -glGenBuffers -glBindBuffer -glBufferData -glDeleteBuffers -glMapBuffer -glUnmapBuffer -*/ - -#ifndef APIENTRY -# define APIENTRY -#endif -#ifndef APIENTRYP -# define APIENTRYP APIENTRY * -#endif - -#ifndef GL_VERSION_1_2 -#define GL_TEXTURE_3D 0x806F -#define GL_TEXTURE_WRAP_R 0x8072 -#define GL_CLAMP_TO_EDGE 0x812F -#define GL_BGRA 0x80E1 -#endif - -#ifndef GL_VERSION_1_3 -#define GL_TEXTURE0 0x84C0 -#define GL_TEXTURE1 0x84C1 -#define GL_TEXTURE2 0x84C2 -#define GL_TEXTURE_CUBE_MAP 0x8513 -#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515 -//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516 -//#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517 -//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518 -//#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519 -//#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A -#endif - -#ifndef GL_ARB_vertex_buffer_object -typedef ptrdiff_t GLsizeiptrARB; -#endif - -#ifndef GL_VERSION_1_5 -#define GL_ARRAY_BUFFER 0x8892 -#define GL_ELEMENT_ARRAY_BUFFER 0x8893 -#define GL_READ_WRITE 0x88BA -#define GL_STATIC_DRAW 0x88E4 -#endif - -#ifndef GL_EXT_framebuffer_object -#define GL_RENDERBUFFER_EXT 0x8D41 -#define GL_FRAMEBUFFER_EXT 0x8D40 -#define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5 -#define GL_COLOR_ATTACHMENT0_EXT 0x8CE0 -#define GL_DEPTH_ATTACHMENT_EXT 0x8D00 -#endif - -typedef void (APIENTRY *_glGenFramebuffersEXT) (GLsizei, GLuint *); -typedef void (APIENTRY *_glGenRenderbuffersEXT) (GLsizei, GLuint *); -typedef void (APIENTRY *_glBindRenderbufferEXT) (GLenum, GLuint); -typedef void (APIENTRY *_glRenderbufferStorageEXT) (GLenum, GLenum, GLsizei, GLsizei); -typedef void (APIENTRY *_glDeleteFramebuffersEXT) (GLsizei, const GLuint*); -typedef void (APIENTRY *_glDeleteRenderbuffersEXT) (GLsizei, const GLuint*); -typedef void (APIENTRY *_glBindFramebufferEXT) (GLenum, GLuint); -typedef void (APIENTRY *_glFramebufferTexture2DEXT) (GLenum, GLenum, GLenum, GLuint, GLint); -typedef void (APIENTRY *_glFramebufferRenderbufferEXT) (GLenum, GLenum, GLenum, GLuint); -typedef GLenum (APIENTRY *_glCheckFramebufferStatusEXT) (GLenum); - -typedef void (APIENTRY *_glActiveTexture) (GLenum); -typedef void (APIENTRY *_glTexImage3D) (GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *); - -typedef void (APIENTRY *_glGenBuffers) (GLsizei, GLuint *); -typedef void (APIENTRY *_glBindBuffer) (GLenum, GLuint); -typedef void (APIENTRY *_glBufferData) (GLenum, GLsizeiptrARB, const GLvoid *, GLenum); -typedef void (APIENTRY *_glDeleteBuffers) (GLsizei, const GLuint *); -typedef void *(APIENTRY *_glMapBuffer) (GLenum, GLenum); -typedef GLboolean (APIENTRY *_glUnmapBuffer) (GLenum); - -struct GLExtensionFunctions -{ - bool resolve(const QGLContext *context); - - bool fboSupported(); - bool openGL15Supported(); // the rest: multi-texture, 3D-texture, vertex buffer objects - - _glGenFramebuffersEXT GenFramebuffersEXT; - _glGenRenderbuffersEXT GenRenderbuffersEXT; - _glBindRenderbufferEXT BindRenderbufferEXT; - _glRenderbufferStorageEXT RenderbufferStorageEXT; - _glDeleteFramebuffersEXT DeleteFramebuffersEXT; - _glDeleteRenderbuffersEXT DeleteRenderbuffersEXT; - _glBindFramebufferEXT BindFramebufferEXT; - _glFramebufferTexture2DEXT FramebufferTexture2DEXT; - _glFramebufferRenderbufferEXT FramebufferRenderbufferEXT; - _glCheckFramebufferStatusEXT CheckFramebufferStatusEXT; - - _glActiveTexture ActiveTexture; - _glTexImage3D TexImage3D; - - _glGenBuffers GenBuffers; - _glBindBuffer BindBuffer; - _glBufferData BufferData; - _glDeleteBuffers DeleteBuffers; - _glMapBuffer MapBuffer; - _glUnmapBuffer UnmapBuffer; -}; - -inline GLExtensionFunctions &getGLExtensionFunctions() -{ - static GLExtensionFunctions funcs; - return funcs; -} - -#define glGenFramebuffersEXT getGLExtensionFunctions().GenFramebuffersEXT -#define glGenRenderbuffersEXT getGLExtensionFunctions().GenRenderbuffersEXT -#define glBindRenderbufferEXT getGLExtensionFunctions().BindRenderbufferEXT -#define glRenderbufferStorageEXT getGLExtensionFunctions().RenderbufferStorageEXT -#define glDeleteFramebuffersEXT getGLExtensionFunctions().DeleteFramebuffersEXT -#define glDeleteRenderbuffersEXT getGLExtensionFunctions().DeleteRenderbuffersEXT -#define glBindFramebufferEXT getGLExtensionFunctions().BindFramebufferEXT -#define glFramebufferTexture2DEXT getGLExtensionFunctions().FramebufferTexture2DEXT -#define glFramebufferRenderbufferEXT getGLExtensionFunctions().FramebufferRenderbufferEXT -#define glCheckFramebufferStatusEXT getGLExtensionFunctions().CheckFramebufferStatusEXT - -#define glActiveTexture getGLExtensionFunctions().ActiveTexture -#define glTexImage3D getGLExtensionFunctions().TexImage3D - -#define glGenBuffers getGLExtensionFunctions().GenBuffers -#define glBindBuffer getGLExtensionFunctions().BindBuffer -#define glBufferData getGLExtensionFunctions().BufferData -#define glDeleteBuffers getGLExtensionFunctions().DeleteBuffers -#define glMapBuffer getGLExtensionFunctions().MapBuffer -#define glUnmapBuffer getGLExtensionFunctions().UnmapBuffer - -#endif diff --git a/examples/widgets/graphicsview/boxes/gltrianglemesh.h b/examples/widgets/graphicsview/boxes/gltrianglemesh.h deleted file mode 100644 index e5c4f51514..0000000000 --- a/examples/widgets/graphicsview/boxes/gltrianglemesh.h +++ /dev/null @@ -1,99 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GLTRIANGLEMESH_H -#define GLTRIANGLEMESH_H - -#include "glbuffers.h" -#include "glextensions.h" - -#include <QtWidgets> -#include <QtOpenGL> - - -template<class TVertex, class TIndex> -class GLTriangleMesh -{ -public: - GLTriangleMesh(int vertexCount, int indexCount) : m_vb(vertexCount), m_ib(indexCount) - { - } - - virtual ~GLTriangleMesh() - { - } - - virtual void draw() - { - if (failed()) - return; - - int type = GL_UNSIGNED_INT; - if (sizeof(TIndex) == sizeof(char)) type = GL_UNSIGNED_BYTE; - if (sizeof(TIndex) == sizeof(short)) type = GL_UNSIGNED_SHORT; - - m_vb.bind(); - m_ib.bind(); - glDrawElements(GL_TRIANGLES, m_ib.length(), type, BUFFER_OFFSET(0)); - m_vb.unbind(); - m_ib.unbind(); - } - - bool failed() - { - return m_vb.failed() || m_ib.failed(); - } -protected: - GLVertexBuffer<TVertex> m_vb; - GLIndexBuffer<TIndex> m_ib; -}; - - -#endif diff --git a/examples/widgets/graphicsview/boxes/granite.fsh b/examples/widgets/graphicsview/boxes/granite.fsh deleted file mode 100644 index 5dcde5d2b1..0000000000 --- a/examples/widgets/graphicsview/boxes/granite.fsh +++ /dev/null @@ -1,85 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform sampler3D noise; - -//const vec4 graniteColors[3] = {vec4(0.0, 0.0, 0.0, 1), vec4(0.30, 0.15, 0.10, 1), vec4(0.80, 0.70, 0.75, 1)}; -uniform vec4 graniteColors[3]; - -float steep(float x) -{ - return clamp(5.0 * x - 2.0, 0.0, 1.0); -} - -void main() -{ - vec2 turbulence = vec2(0, 0); - float scale = 1.0; - for (int i = 0; i < 4; ++i) { - turbulence += scale * (texture3D(noise, gl_TexCoord[1].xyz / scale).xy - 0.5); - scale *= 0.5; - } - - vec3 N = normalize(normal); - // assume directional light - - gl_MaterialParameters M = gl_FrontMaterial; - - float NdotL = dot(N, lightDirection.xyz); - float RdotL = dot(reflect(normalize(position), N), lightDirection.xyz); - - vec4 unlitColor = mix(graniteColors[1], mix(graniteColors[0], graniteColors[2], steep(0.5 + turbulence.y)), 4.0 * abs(turbulence.x)); - gl_FragColor = (ambient + diffuse * max(NdotL, 0.0)) * unlitColor + - M.specular * specular * pow(max(RdotL, 0.0), M.shininess); -} diff --git a/examples/widgets/graphicsview/boxes/main.cpp b/examples/widgets/graphicsview/boxes/main.cpp deleted file mode 100644 index 2b3e6d3389..0000000000 --- a/examples/widgets/graphicsview/boxes/main.cpp +++ /dev/null @@ -1,157 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "glextensions.h" -#include "scene.h" - -#include <QGLWidget> -#include <QtWidgets> - -class GraphicsView : public QGraphicsView -{ -public: - GraphicsView() - { - setWindowTitle(tr("Boxes")); - setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform); - //setRenderHints(QPainter::SmoothPixmapTransform); - } - -protected: - void resizeEvent(QResizeEvent *event) override { - if (scene()) - scene()->setSceneRect(QRect(QPoint(0, 0), event->size())); - QGraphicsView::resizeEvent(event); - } -}; - -inline bool matchString(const char *extensionString, const char *subString) -{ - int subStringLength = strlen(subString); - return (strncmp(extensionString, subString, subStringLength) == 0) - && ((extensionString[subStringLength] == ' ') || (extensionString[subStringLength] == '\0')); -} - -bool necessaryExtensionsSupported() -{ - const char *extensionString = reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS)); - const char *p = extensionString; - - const int GL_EXT_FBO = 1; - const int GL_ARB_VS = 2; - const int GL_ARB_FS = 4; - const int GL_ARB_SO = 8; - int extensions = 0; - - while (*p) { - if (matchString(p, "GL_EXT_framebuffer_object")) - extensions |= GL_EXT_FBO; - else if (matchString(p, "GL_ARB_vertex_shader")) - extensions |= GL_ARB_VS; - else if (matchString(p, "GL_ARB_fragment_shader")) - extensions |= GL_ARB_FS; - else if (matchString(p, "GL_ARB_shader_objects")) - extensions |= GL_ARB_SO; - while ((*p != ' ') && (*p != '\0')) - ++p; - if (*p == ' ') - ++p; - } - return (extensions == 15); -} - -int main(int argc, char **argv) -{ - QApplication app(argc, argv); - - if ((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_5) == 0) { - QMessageBox::critical(nullptr, "OpenGL features missing", - "OpenGL version 1.5 or higher is required to run this demo.\n" - "The program will now exit."); - return -1; - } - - int maxTextureSize = 1024; - QGLWidget *widget = new QGLWidget(QGLFormat(QGL::SampleBuffers)); - widget->makeCurrent(); - - if (!necessaryExtensionsSupported()) { - QMessageBox::critical(nullptr, "OpenGL features missing", - "The OpenGL extensions required to run this demo are missing.\n" - "The program will now exit."); - delete widget; - return -2; - } - - // Check if all the necessary functions are resolved. - if (!getGLExtensionFunctions().resolve(widget->context())) { - QMessageBox::critical(nullptr, "OpenGL features missing", - "Failed to resolve OpenGL functions required to run this demo.\n" - "The program will now exit."); - delete widget; - return -3; - } - - // TODO: Make conditional for final release - QMessageBox::information(nullptr, "For your information", - "This demo can be GPU and CPU intensive and may\n" - "work poorly or not at all on your system."); - - widget->makeCurrent(); // The current context must be set before calling Scene's constructor - Scene scene(1024, 768, maxTextureSize); - GraphicsView view; - view.setViewport(widget); - view.setViewportUpdateMode(QGraphicsView::FullViewportUpdate); - view.setScene(&scene); - view.show(); - - return app.exec(); -} - diff --git a/examples/widgets/graphicsview/boxes/marble.fsh b/examples/widgets/graphicsview/boxes/marble.fsh deleted file mode 100644 index c0b1980a67..0000000000 --- a/examples/widgets/graphicsview/boxes/marble.fsh +++ /dev/null @@ -1,80 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform sampler3D noise; - -//const vec4 marbleColors[2] = {vec4(0.9, 0.9, 0.9, 1), vec4(0.6, 0.5, 0.5, 1)}; -uniform vec4 marbleColors[2]; - -void main() -{ - float turbulence = 0.0; - float scale = 1.0; - for (int i = 0; i < 4; ++i) { - turbulence += scale * (texture3D(noise, 0.125 * gl_TexCoord[1].xyz / scale).x - 0.5); - scale *= 0.5; - } - - vec3 N = normalize(normal); - // assume directional light - - gl_MaterialParameters M = gl_FrontMaterial; - - float NdotL = dot(N, lightDirection.xyz); - float RdotL = dot(reflect(normalize(position), N), lightDirection.xyz); - - vec4 unlitColor = mix(marbleColors[0], marbleColors[1], exp(-4.0 * abs(turbulence))); - gl_FragColor = (ambient + diffuse * max(NdotL, 0.0)) * unlitColor + - M.specular * specular * pow(max(RdotL, 0.0), M.shininess); -} diff --git a/examples/widgets/graphicsview/boxes/parameters.par b/examples/widgets/graphicsview/boxes/parameters.par deleted file mode 100644 index 50e20739b9..0000000000 --- a/examples/widgets/graphicsview/boxes/parameters.par +++ /dev/null @@ -1,5 +0,0 @@ -color basicColor ff0e3d0e -color woodColors ff5e3d33 ffcc9966 -float woodTubulence 0.1 -color graniteColors ff000000 ff4d261a ffccb3bf -color marbleColors ffe6e6e6 ff998080 diff --git a/examples/widgets/graphicsview/boxes/qt-logo.jpg b/examples/widgets/graphicsview/boxes/qt-logo.jpg Binary files differdeleted file mode 100644 index 8d7fab052a..0000000000 --- a/examples/widgets/graphicsview/boxes/qt-logo.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/qt-logo.png b/examples/widgets/graphicsview/boxes/qt-logo.png Binary files differdeleted file mode 100644 index 0b0b15480c..0000000000 --- a/examples/widgets/graphicsview/boxes/qt-logo.png +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/qtbox.cpp b/examples/widgets/graphicsview/boxes/qtbox.cpp deleted file mode 100644 index 8713aac05d..0000000000 --- a/examples/widgets/graphicsview/boxes/qtbox.cpp +++ /dev/null @@ -1,470 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qtbox.h" - -constexpr qreal ROTATE_SPEED_X = 30.0 / 1000.0; -constexpr qreal ROTATE_SPEED_Y = 20.0 / 1000.0; -constexpr qreal ROTATE_SPEED_Z = 40.0 / 1000.0; -constexpr int MAX_ITEM_SIZE = 512; -constexpr int MIN_ITEM_SIZE = 16; - -//============================================================================// -// ItemBase // -//============================================================================// - -ItemBase::ItemBase(int size, int x, int y) : m_size(size), m_startTime(QTime::currentTime()) -{ - setFlag(QGraphicsItem::ItemIsMovable, true); - setFlag(QGraphicsItem::ItemIsSelectable, true); - setFlag(QGraphicsItem::ItemIsFocusable, true); - setAcceptHoverEvents(true); - setPos(x, y); -} - -QRectF ItemBase::boundingRect() const -{ - return QRectF(-m_size / 2, -m_size / 2, m_size, m_size); -} - -void ItemBase::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *) -{ - if (option->state & QStyle::State_Selected) { - painter->setRenderHint(QPainter::Antialiasing, true); - if (option->state & QStyle::State_HasFocus) - painter->setPen(Qt::yellow); - else - painter->setPen(Qt::white); - painter->drawRect(boundingRect()); - - painter->drawLine(m_size / 2 - 9, m_size / 2, m_size / 2, m_size / 2 - 9); - painter->drawLine(m_size / 2 - 6, m_size / 2, m_size / 2, m_size / 2 - 6); - painter->drawLine(m_size / 2 - 3, m_size / 2, m_size / 2, m_size / 2 - 3); - - painter->setRenderHint(QPainter::Antialiasing, false); - } -} - -void ItemBase::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) -{ - if (!isSelected() && scene()) { - scene()->clearSelection(); - setSelected(true); - } - - QMenu menu; - QAction *delAction = menu.addAction("Delete"); - QAction *newAction = menu.addAction("New"); - QAction *growAction = menu.addAction("Grow"); - QAction *shrinkAction = menu.addAction("Shrink"); - - QAction *selectedAction = menu.exec(event->screenPos()); - - if (selectedAction == delAction) - deleteSelectedItems(scene()); - else if (selectedAction == newAction) - duplicateSelectedItems(scene()); - else if (selectedAction == growAction) - growSelectedItems(scene()); - else if (selectedAction == shrinkAction) - shrinkSelectedItems(scene()); -} - -void ItemBase::duplicateSelectedItems(QGraphicsScene *scene) -{ - if (!scene) - return; - - const QList<QGraphicsItem *> selected = scene->selectedItems(); - for (QGraphicsItem *item : selected) { - ItemBase *itemBase = qgraphicsitem_cast<ItemBase *>(item); - if (itemBase) - scene->addItem(itemBase->createNew(itemBase->m_size, itemBase->pos().x() + itemBase->m_size, itemBase->pos().y())); - } -} - -void ItemBase::deleteSelectedItems(QGraphicsScene *scene) -{ - if (!scene) - return; - - const QList<QGraphicsItem *> selected = scene->selectedItems(); - for (QGraphicsItem *item : selected) { - ItemBase *itemBase = qgraphicsitem_cast<ItemBase *>(item); - if (itemBase) - delete itemBase; - } -} - -void ItemBase::growSelectedItems(QGraphicsScene *scene) -{ - if (!scene) - return; - - const QList<QGraphicsItem *> selected = scene->selectedItems(); - for (QGraphicsItem *item : selected) { - ItemBase *itemBase = qgraphicsitem_cast<ItemBase *>(item); - if (itemBase) { - itemBase->prepareGeometryChange(); - itemBase->m_size *= 2; - if (itemBase->m_size > MAX_ITEM_SIZE) - itemBase->m_size = MAX_ITEM_SIZE; - } - } -} - -void ItemBase::shrinkSelectedItems(QGraphicsScene *scene) -{ - if (!scene) - return; - - const QList<QGraphicsItem *> selected = scene->selectedItems(); - for (QGraphicsItem *item : selected) { - ItemBase *itemBase = qgraphicsitem_cast<ItemBase *>(item); - if (itemBase) { - itemBase->prepareGeometryChange(); - itemBase->m_size /= 2; - if (itemBase->m_size < MIN_ITEM_SIZE) - itemBase->m_size = MIN_ITEM_SIZE; - } - } -} - -void ItemBase::mouseMoveEvent(QGraphicsSceneMouseEvent *event) -{ - if (m_isResizing) { - int dx = int(2.0 * event->pos().x()); - int dy = int(2.0 * event->pos().y()); - prepareGeometryChange(); - m_size = (dx > dy ? dx : dy); - if (m_size < MIN_ITEM_SIZE) - m_size = MIN_ITEM_SIZE; - else if (m_size > MAX_ITEM_SIZE) - m_size = MAX_ITEM_SIZE; - } else { - QGraphicsItem::mouseMoveEvent(event); - } -} - -void ItemBase::hoverMoveEvent(QGraphicsSceneHoverEvent *event) -{ - if (m_isResizing || (isInResizeArea(event->pos()) && isSelected())) - setCursor(Qt::SizeFDiagCursor); - else - setCursor(Qt::ArrowCursor); - QGraphicsItem::hoverMoveEvent(event); -} - -void ItemBase::mousePressEvent(QGraphicsSceneMouseEvent *event) -{ - static qreal z = 0.0; - setZValue(z += 1.0); - if (event->button() == Qt::LeftButton && isInResizeArea(event->pos())) { - m_isResizing = true; - } else { - QGraphicsItem::mousePressEvent(event); - } -} - -void ItemBase::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) -{ - if (event->button() == Qt::LeftButton && m_isResizing) { - m_isResizing = false; - } else { - QGraphicsItem::mouseReleaseEvent(event); - } -} - -void ItemBase::keyPressEvent(QKeyEvent *event) -{ - switch (event->key()) { - case Qt::Key_Delete: - deleteSelectedItems(scene()); - break; - case Qt::Key_Insert: - duplicateSelectedItems(scene()); - break; - case Qt::Key_Plus: - growSelectedItems(scene()); - break; - case Qt::Key_Minus: - shrinkSelectedItems(scene()); - break; - default: - QGraphicsItem::keyPressEvent(event); - break; - } -} - -void ItemBase::wheelEvent(QGraphicsSceneWheelEvent *event) -{ - prepareGeometryChange(); - m_size = int(m_size * qExp(-event->delta() / 600.0)); - m_size = qBound(MIN_ITEM_SIZE, m_size, MAX_ITEM_SIZE); -} - -int ItemBase::type() const -{ - return Type; -} - - -bool ItemBase::isInResizeArea(const QPointF &pos) -{ - return (-pos.y() < pos.x() - m_size + 9); -} - -//============================================================================// -// QtBox // -//============================================================================// - -QtBox::QtBox(int size, int x, int y) : ItemBase(size, x, y) -{ - for (int i = 0; i < 8; ++i) { - m_vertices[i].setX(i & 1 ? 0.5f : -0.5f); - m_vertices[i].setY(i & 2 ? 0.5f : -0.5f); - m_vertices[i].setZ(i & 4 ? 0.5f : -0.5f); - } - for (int i = 0; i < 4; ++i) { - m_texCoords[i].setX(i & 1 ? 1.0f : 0.0f); - m_texCoords[i].setY(i & 2 ? 1.0f : 0.0f); - } - m_normals[0] = QVector3D(-1.0f, 0.0f, 0.0f); - m_normals[1] = QVector3D(1.0f, 0.0f, 0.0f); - m_normals[2] = QVector3D(0.0f, -1.0f, 0.0f); - m_normals[3] = QVector3D(0.0f, 1.0f, 0.0f); - m_normals[4] = QVector3D(0.0f, 0.0f, -1.0f); - m_normals[5] = QVector3D(0.0f, 0.0f, 1.0f); -} - -QtBox::~QtBox() -{ - delete m_texture; -} - -ItemBase *QtBox::createNew(int size, int x, int y) -{ - return new QtBox(size, x, y); -} - -void QtBox::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) -{ - QRectF rect = boundingRect().translated(pos()); - float width = float(painter->device()->width()); - float height = float(painter->device()->height()); - - float left = 2.0f * float(rect.left()) / width - 1.0f; - float right = 2.0f * float(rect.right()) / width - 1.0f; - float top = 1.0f - 2.0f * float(rect.top()) / height; - float bottom = 1.0f - 2.0f * float(rect.bottom()) / height; - float moveToRectMatrix[] = { - 0.5f * (right - left), 0.0f, 0.0f, 0.0f, - 0.0f, 0.5f * (bottom - top), 0.0f, 0.0f, - 0.0f, 0.0f, 1.0f, 0.0f, - 0.5f * (right + left), 0.5f * (bottom + top), 0.0f, 1.0f - }; - - painter->beginNativePainting(); - - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glLoadMatrixf(moveToRectMatrix); - qgluPerspective(60.0, 1.0, 0.01, 10.0); - - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glLoadIdentity(); - - //glEnable(GL_DEPTH_TEST); - glEnable(GL_CULL_FACE); - glEnable(GL_LIGHTING); - glEnable(GL_COLOR_MATERIAL); - glEnable(GL_NORMALIZE); - - if (m_texture == nullptr) - m_texture = new GLTexture2D(":/res/boxes/qt-logo.jpg", 64, 64); - m_texture->bind(); - glEnable(GL_TEXTURE_2D); - - glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); - float lightColour[] = {1.0f, 1.0f, 1.0f, 1.0f}; - float lightDir[] = {0.0f, 0.0f, 1.0f, 0.0f}; - glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColour); - glLightfv(GL_LIGHT0, GL_POSITION, lightDir); - glEnable(GL_LIGHT0); - - glTranslatef(0.0f, 0.0f, -1.5f); - glRotatef(ROTATE_SPEED_X * m_startTime.msecsTo(QTime::currentTime()), 1.0f, 0.0f, 0.0f); - glRotatef(ROTATE_SPEED_Y * m_startTime.msecsTo(QTime::currentTime()), 0.0f, 1.0f, 0.0f); - glRotatef(ROTATE_SPEED_Z * m_startTime.msecsTo(QTime::currentTime()), 0.0f, 0.0f, 1.0f); - int dt = m_startTime.msecsTo(QTime::currentTime()); - if (dt < 500) - glScalef(dt / 500.0f, dt / 500.0f, dt / 500.0f); - - for (int dir = 0; dir < 3; ++dir) { - glColor4f(1.0f, 1.0f, 1.0f, 1.0); - - glBegin(GL_TRIANGLE_STRIP); - glNormal3fv(reinterpret_cast<float *>(&m_normals[2 * dir + 0])); - for (int i = 0; i < 2; ++i) { - for (int j = 0; j < 2; ++j) { - glTexCoord2fv(reinterpret_cast<float *>(&m_texCoords[(j << 1) | i])); - glVertex3fv(reinterpret_cast<float *>(&m_vertices[(i << ((dir + 2) % 3)) | (j << ((dir + 1) % 3))])); - } - } - glEnd(); - - glBegin(GL_TRIANGLE_STRIP); - glNormal3fv(reinterpret_cast<float *>(&m_normals[2 * dir + 1])); - for (int i = 0; i < 2; ++i) { - for (int j = 0; j < 2; ++j) { - glTexCoord2fv(reinterpret_cast<float *>(&m_texCoords[(j << 1) | i])); - glVertex3fv(reinterpret_cast<float *>(&m_vertices[(1 << dir) | (i << ((dir + 1) % 3)) | (j << ((dir + 2) % 3))])); - } - } - glEnd(); - } - m_texture->unbind(); - - //glDisable(GL_DEPTH_TEST); - glDisable(GL_CULL_FACE); - glDisable(GL_LIGHTING); - glDisable(GL_COLOR_MATERIAL); - glDisable(GL_TEXTURE_2D); - glDisable(GL_LIGHT0); - glDisable(GL_NORMALIZE); - - glPopMatrix(); - - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - - painter->endNativePainting(); - - ItemBase::paint(painter, option, widget); -} - -//============================================================================// -// CircleItem // -//============================================================================// - -CircleItem::CircleItem(int size, int x, int y) : ItemBase(size, x, y) - , m_color(QColor::fromHsv(QRandomGenerator::global()->bounded(360), 255, 255)) -{} - -void CircleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) -{ - int dt = m_startTime.msecsTo(QTime::currentTime()); - - qreal r0 = 0.5 * m_size * (1.0 - qExp(-0.001 * ((dt + 3800) % 4000))); - qreal r1 = 0.5 * m_size * (1.0 - qExp(-0.001 * ((dt + 0) % 4000))); - qreal r2 = 0.5 * m_size * (1.0 - qExp(-0.001 * ((dt + 1800) % 4000))); - qreal r3 = 0.5 * m_size * (1.0 - qExp(-0.001 * ((dt + 2000) % 4000))); - - if (r0 > r1) - r0 = 0.0; - if (r2 > r3) - r2 = 0.0; - - QPainterPath path; - path.moveTo(r1, 0.0); - path.arcTo(-r1, -r1, 2 * r1, 2 * r1, 0.0, 360.0); - path.lineTo(r0, 0.0); - path.arcTo(-r0, -r0, 2 * r0, 2 * r0, 0.0, -360.0); - path.closeSubpath(); - path.moveTo(r3, 0.0); - path.arcTo(-r3, -r3, 2 * r3, 2 * r3, 0.0, 360.0); - path.lineTo(r0, 0.0); - path.arcTo(-r2, -r2, 2 * r2, 2 * r2, 0.0, -360.0); - path.closeSubpath(); - painter->setRenderHint(QPainter::Antialiasing, true); - painter->setBrush(QBrush(m_color)); - painter->setPen(Qt::NoPen); - painter->drawPath(path); - painter->setBrush(Qt::NoBrush); - painter->setPen(Qt::SolidLine); - painter->setRenderHint(QPainter::Antialiasing, false); - - ItemBase::paint(painter, option, widget); -} - -ItemBase *CircleItem::createNew(int size, int x, int y) -{ - return new CircleItem(size, x, y); -} - -//============================================================================// -// SquareItem // -//============================================================================// - -SquareItem::SquareItem(int size, int x, int y) : ItemBase(size, x, y) - , m_image(QPixmap(":/res/boxes/square.jpg")) -{} - -void SquareItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) -{ - int dt = m_startTime.msecsTo(QTime::currentTime()); - QTransform oldTransform = painter->worldTransform(); - int dtMod = dt % 2000; - qreal amp = 0.002 * (dtMod < 1000 ? dtMod : 2000 - dtMod) - 1.0; - - qreal scale = 0.6 + 0.2 * amp * amp; - painter->setWorldTransform(QTransform().rotate(15.0 * amp).scale(scale, scale), true); - - painter->drawPixmap(-m_size / 2, -m_size / 2, m_size, m_size, m_image); - - painter->setWorldTransform(oldTransform, false); - ItemBase::paint(painter, option, widget); -} - -ItemBase *SquareItem::createNew(int size, int x, int y) -{ - return new SquareItem(size, x, y); -} diff --git a/examples/widgets/graphicsview/boxes/qtbox.h b/examples/widgets/graphicsview/boxes/qtbox.h deleted file mode 100644 index 84c8cb1d93..0000000000 --- a/examples/widgets/graphicsview/boxes/qtbox.h +++ /dev/null @@ -1,126 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QTBOX_H -#define QTBOX_H - -#include "glbuffers.h" - -#include <QtWidgets> -#include <QVector3D> - -class ItemBase : public QGraphicsItem -{ -public: - enum { Type = UserType + 1 }; - - ItemBase(int size, int x, int y); - QRectF boundingRect() const override; - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; -protected: - virtual ItemBase *createNew(int size, int x, int y) = 0; - void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override; - void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override; - void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override; - void mousePressEvent(QGraphicsSceneMouseEvent *event) override; - void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override; - void keyPressEvent(QKeyEvent *event) override; - void wheelEvent(QGraphicsSceneWheelEvent *event) override; - int type() const override; - bool isInResizeArea(const QPointF &pos); - - static void duplicateSelectedItems(QGraphicsScene *scene); - static void deleteSelectedItems(QGraphicsScene *scene); - static void growSelectedItems(QGraphicsScene *scene); - static void shrinkSelectedItems(QGraphicsScene *scene); - - int m_size; - QTime m_startTime; - bool m_isResizing = false; -}; - -class QtBox : public ItemBase -{ -public: - QtBox(int size, int x, int y); - virtual ~QtBox(); - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; -protected: - ItemBase *createNew(int size, int x, int y) override; -private: - QVector3D m_vertices[8]; - QVector3D m_texCoords[4]; - QVector3D m_normals[6]; - GLTexture *m_texture = nullptr; -}; - -class CircleItem : public ItemBase -{ -public: - CircleItem(int size, int x, int y); - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; -protected: - ItemBase *createNew(int size, int x, int y) override; - - QColor m_color; -}; - -class SquareItem : public ItemBase -{ -public: - SquareItem(int size, int x, int y); - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; -protected: - ItemBase *createNew(int size, int x, int y) override; - - QPixmap m_image; -}; - -#endif diff --git a/examples/widgets/graphicsview/boxes/reflection.fsh b/examples/widgets/graphicsview/boxes/reflection.fsh deleted file mode 100644 index 0f0a26476f..0000000000 --- a/examples/widgets/graphicsview/boxes/reflection.fsh +++ /dev/null @@ -1,63 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform samplerCube env; -uniform mat4 view; - -void main() -{ - vec3 N = normalize(normal); - vec3 R = 2.0 * dot(-position, N) * N + position; - gl_FragColor = textureCube(env, R * mat3(view[0].xyz, view[1].xyz, view[2].xyz)); -} diff --git a/examples/widgets/graphicsview/boxes/refraction.fsh b/examples/widgets/graphicsview/boxes/refraction.fsh deleted file mode 100644 index 8ba2d36329..0000000000 --- a/examples/widgets/graphicsview/boxes/refraction.fsh +++ /dev/null @@ -1,79 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform samplerCube env; -uniform mat4 view; - -// Arrays don't work here on glsl < 120, apparently. -//const float coeffs[6] = float[6](1.0/2.0, 1.0/2.1, 1.0/2.2, 1.0/2.3, 1.0/2.4, 1.0/2.5); -float coeffs(int i) -{ - return 1.0 / (2.0 + 0.1 * float(i)); -} - -void main() -{ - vec3 N = normalize(normal); - vec3 I = -normalize(position); - float IdotN = dot(I, N); - float scales[6]; - vec3 C[6]; - for (int i = 0; i < 6; ++i) { - scales[i] = (IdotN - sqrt(1.0 - coeffs(i) + coeffs(i) * (IdotN * IdotN))); - C[i] = textureCube(env, (-I + coeffs(i) * N) * mat3(view[0].xyz, view[1].xyz, view[2].xyz)).xyz; - } - - gl_FragColor = 0.25 * vec4(C[5].x + 2.0*C[0].x + C[1].x, C[1].y + 2.0*C[2].y + C[3].y, - C[3].z + 2.0*C[4].z + C[5].z, 4.0); -} diff --git a/examples/widgets/graphicsview/boxes/roundedbox.cpp b/examples/widgets/graphicsview/boxes/roundedbox.cpp deleted file mode 100644 index be96223b9f..0000000000 --- a/examples/widgets/graphicsview/boxes/roundedbox.cpp +++ /dev/null @@ -1,170 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "roundedbox.h" - -//============================================================================// -// P3T2N3Vertex // -//============================================================================// - -VertexDescription P3T2N3Vertex::description[] = { - {VertexDescription::Position, GL_FLOAT, SIZE_OF_MEMBER(P3T2N3Vertex, position) / sizeof(float), 0, 0}, - {VertexDescription::TexCoord, GL_FLOAT, SIZE_OF_MEMBER(P3T2N3Vertex, texCoord) / sizeof(float), sizeof(QVector3D), 0}, - {VertexDescription::Normal, GL_FLOAT, SIZE_OF_MEMBER(P3T2N3Vertex, normal) / sizeof(float), sizeof(QVector3D) + sizeof(QVector2D), 0}, - - {VertexDescription::Null, 0, 0, 0, 0}, -}; - -//============================================================================// -// GLRoundedBox // -//============================================================================// - -float lerp(float a, float b, float t) -{ - return a * (1.0f - t) + b * t; -} - -GLRoundedBox::GLRoundedBox(float r, float scale, int n) - : GLTriangleMesh<P3T2N3Vertex, unsigned short>((n+2)*(n+3)*4, (n+1)*(n+1)*24+36+72*(n+1)) -{ - int vidx = 0, iidx = 0; - int vertexCountPerCorner = (n + 2) * (n + 3) / 2; - - P3T2N3Vertex *vp = m_vb.lock(); - unsigned short *ip = m_ib.lock(); - - if (!vp || !ip) { - qWarning("GLRoundedBox::GLRoundedBox: Failed to lock vertex buffer and/or index buffer."); - m_ib.unlock(); - m_vb.unlock(); - return; - } - - for (int corner = 0; corner < 8; ++corner) { - QVector3D centre(corner & 1 ? 1.0f : -1.0f, - corner & 2 ? 1.0f : -1.0f, - corner & 4 ? 1.0f : -1.0f); - int winding = (corner & 1) ^ ((corner >> 1) & 1) ^ (corner >> 2); - int offsX = ((corner ^ 1) - corner) * vertexCountPerCorner; - int offsY = ((corner ^ 2) - corner) * vertexCountPerCorner; - int offsZ = ((corner ^ 4) - corner) * vertexCountPerCorner; - - // Face polygons - if (winding) { - ip[iidx++] = vidx; - ip[iidx++] = vidx + offsX; - ip[iidx++] = vidx + offsY; - - ip[iidx++] = vidx + vertexCountPerCorner - n - 2; - ip[iidx++] = vidx + vertexCountPerCorner - n - 2 + offsY; - ip[iidx++] = vidx + vertexCountPerCorner - n - 2 + offsZ; - - ip[iidx++] = vidx + vertexCountPerCorner - 1; - ip[iidx++] = vidx + vertexCountPerCorner - 1 + offsZ; - ip[iidx++] = vidx + vertexCountPerCorner - 1 + offsX; - } - - for (int i = 0; i < n + 2; ++i) { - - // Edge polygons - if (winding && i < n + 1) { - ip[iidx++] = vidx + i + 1; - ip[iidx++] = vidx; - ip[iidx++] = vidx + offsY + i + 1; - ip[iidx++] = vidx + offsY; - ip[iidx++] = vidx + offsY + i + 1; - ip[iidx++] = vidx; - - ip[iidx++] = vidx + i; - ip[iidx++] = vidx + 2 * i + 2; - ip[iidx++] = vidx + i + offsX; - ip[iidx++] = vidx + 2 * i + offsX + 2; - ip[iidx++] = vidx + i + offsX; - ip[iidx++] = vidx + 2 * i + 2; - - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 1 - i; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 2 - i; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 1 - i + offsZ; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 2 - i + offsZ; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 1 - i + offsZ; - ip[iidx++] = (corner + 1) * vertexCountPerCorner - 2 - i; - } - - for (int j = 0; j <= i; ++j) { - QVector3D normal = QVector3D(i - j, j, n + 1 - i).normalized(); - QVector3D offset(0.5f - r, 0.5f - r, 0.5f - r); - QVector3D pos = centre * (offset + r * normal); - - vp[vidx].position = scale * pos; - vp[vidx].normal = centre * normal; - vp[vidx].texCoord = QVector2D(pos.x() + 0.5f, pos.y() + 0.5f); - - // Corner polygons - if (i < n + 1) { - ip[iidx++] = vidx; - ip[iidx++] = vidx + i + 2 - winding; - ip[iidx++] = vidx + i + 1 + winding; - } - if (i < n) { - ip[iidx++] = vidx + i + 1 + winding; - ip[iidx++] = vidx + i + 2 - winding; - ip[iidx++] = vidx + 2 * i + 4; - } - - ++vidx; - } - } - - } - - m_ib.unlock(); - m_vb.unlock(); -} - diff --git a/examples/widgets/graphicsview/boxes/roundedbox.h b/examples/widgets/graphicsview/boxes/roundedbox.h deleted file mode 100644 index a1f15cd631..0000000000 --- a/examples/widgets/graphicsview/boxes/roundedbox.h +++ /dev/null @@ -1,77 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef ROUNDEDBOX_H -#define ROUNDEDBOX_H - -#include "glbuffers.h" -#include "glextensions.h" -#include "gltrianglemesh.h" - -#include <QVector2D> -#include <QVector3D> - -struct P3T2N3Vertex -{ - QVector3D position; - QVector2D texCoord; - QVector3D normal; - static VertexDescription description[]; -}; - -class GLRoundedBox : public GLTriangleMesh<P3T2N3Vertex, unsigned short> -{ -public: - // 0 < r < 0.5, 0 <= n <= 125 - explicit GLRoundedBox(float r = 0.25f, float scale = 1.0f, int n = 10); -}; - - -#endif diff --git a/examples/widgets/graphicsview/boxes/scene.cpp b/examples/widgets/graphicsview/boxes/scene.cpp deleted file mode 100644 index b344f65561..0000000000 --- a/examples/widgets/graphicsview/boxes/scene.cpp +++ /dev/null @@ -1,1028 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "scene.h" - -#include <QMatrix4x4> -#include <QRandomGenerator> -#include <QVector3D> -#include <qmath.h> - -#include "3rdparty/fbm.h" - -//============================================================================// -// ColorEdit // -//============================================================================// - -ColorEdit::ColorEdit(QRgb initialColor, int id) - : m_color(initialColor), m_id(id) -{ - QHBoxLayout *layout = new QHBoxLayout; - setLayout(layout); - layout->setContentsMargins(0, 0, 0, 0); - - m_lineEdit = new QLineEdit(QString::number(m_color, 16)); - layout->addWidget(m_lineEdit); - - m_button = new QFrame; - QPalette palette = m_button->palette(); - palette.setColor(QPalette::Window, QColor(m_color)); - m_button->setPalette(palette); - m_button->setAutoFillBackground(true); - m_button->setMinimumSize(32, 0); - m_button->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred); - m_button->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken); - layout->addWidget(m_button); - - connect(m_lineEdit, &QLineEdit::editingFinished, this, &ColorEdit::editDone); -} - -void ColorEdit::editDone() -{ - bool ok; - QRgb newColor = m_lineEdit->text().toUInt(&ok, 16); - if (ok) - setColor(newColor); -} - -void ColorEdit::mousePressEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) { - QColor color(m_color); - QColorDialog dialog(color, nullptr); - dialog.setOption(QColorDialog::ShowAlphaChannel, true); - dialog.move(280, 120); - if (dialog.exec() == QDialog::Rejected) - return; - QRgb newColor = dialog.selectedColor().rgba(); - if (newColor == m_color) - return; - setColor(newColor); - } -} - -void ColorEdit::setColor(QRgb color) -{ - m_color = color; - m_lineEdit->setText(QString::number(m_color, 16)); // "Clean up" text - QPalette palette = m_button->palette(); - palette.setColor(QPalette::Window, QColor(m_color)); - m_button->setPalette(palette); - emit colorChanged(m_color, m_id); -} - -//============================================================================// -// FloatEdit // -//============================================================================// - -FloatEdit::FloatEdit(float initialValue, int id) - : m_value(initialValue), m_id(id) -{ - QHBoxLayout *layout = new QHBoxLayout; - setLayout(layout); - layout->setContentsMargins(0, 0, 0, 0); - - m_lineEdit = new QLineEdit(QString::number(m_value)); - layout->addWidget(m_lineEdit); - - connect(m_lineEdit, &QLineEdit::editingFinished, this, &FloatEdit::editDone); -} - -void FloatEdit::editDone() -{ - bool ok; - float newValue = m_lineEdit->text().toFloat(&ok); - if (ok) { - m_value = newValue; - m_lineEdit->setText(QString::number(m_value)); // "Clean up" text - emit valueChanged(m_value, m_id); - } -} - -//============================================================================// -// TwoSidedGraphicsWidget // -//============================================================================// -void TwoSidedGraphicsWidget::setWidget(int index, QWidget *widget) -{ - if (index < 0 || index >= 2) - { - qWarning("TwoSidedGraphicsWidget::setWidget: Index out of bounds, index == %d", index); - return; - } - - GraphicsWidget *proxy = new GraphicsWidget; - proxy->setWidget(widget); - - delete m_proxyWidgets[index]; - m_proxyWidgets[index] = proxy; - - proxy->setCacheMode(QGraphicsItem::ItemCoordinateCache); - proxy->setZValue(1e30); // Make sure the dialog is drawn on top of all other (OpenGL) items - - if (index != m_current) - proxy->setVisible(false); - - qobject_cast<QGraphicsScene *>(parent())->addItem(proxy); -} - -QWidget *TwoSidedGraphicsWidget::widget(int index) -{ - if (index < 0 || index >= 2) - { - qWarning("TwoSidedGraphicsWidget::widget: Index out of bounds, index == %d", index); - return nullptr; - } - return m_proxyWidgets[index]->widget(); -} - -void TwoSidedGraphicsWidget::flip() -{ - m_delta = (m_current == 0 ? 9 : -9); - animateFlip(); -} - -void TwoSidedGraphicsWidget::animateFlip() -{ - m_angle += m_delta; - if (m_angle == 90) { - int old = m_current; - m_current ^= 1; - m_proxyWidgets[old]->setVisible(false); - m_proxyWidgets[m_current]->setVisible(true); - m_proxyWidgets[m_current]->setGeometry(m_proxyWidgets[old]->geometry()); - } - - QRectF r = m_proxyWidgets[m_current]->boundingRect(); - m_proxyWidgets[m_current]->setTransform(QTransform() - .translate(r.width() / 2, r.height() / 2) - .rotate(m_angle - 180 * m_current, Qt::YAxis) - .translate(-r.width() / 2, -r.height() / 2)); - - if ((m_current == 0 && m_angle > 0) || (m_current == 1 && m_angle < 180)) - QTimer::singleShot(25, this, &TwoSidedGraphicsWidget::animateFlip); -} - -QVariant GraphicsWidget::itemChange(GraphicsItemChange change, const QVariant &value) -{ - if (change == ItemPositionChange && scene()) { - QRectF rect = boundingRect(); - QPointF pos = value.toPointF(); - QRectF sceneRect = scene()->sceneRect(); - if (pos.x() + rect.left() < sceneRect.left()) - pos.setX(sceneRect.left() - rect.left()); - else if (pos.x() + rect.right() >= sceneRect.right()) - pos.setX(sceneRect.right() - rect.right()); - if (pos.y() + rect.top() < sceneRect.top()) - pos.setY(sceneRect.top() - rect.top()); - else if (pos.y() + rect.bottom() >= sceneRect.bottom()) - pos.setY(sceneRect.bottom() - rect.bottom()); - return pos; - } - return QGraphicsProxyWidget::itemChange(change, value); -} - -void GraphicsWidget::resizeEvent(QGraphicsSceneResizeEvent *event) -{ - setCacheMode(QGraphicsItem::NoCache); - setCacheMode(QGraphicsItem::ItemCoordinateCache); - QGraphicsProxyWidget::resizeEvent(event); -} - -void GraphicsWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) -{ - painter->setRenderHint(QPainter::Antialiasing, false); - QGraphicsProxyWidget::paint(painter, option, widget); - //painter->setRenderHint(QPainter::Antialiasing, true); -} - -//============================================================================// -// RenderOptionsDialog // -//============================================================================// - -RenderOptionsDialog::RenderOptionsDialog() - : QDialog(nullptr, Qt::CustomizeWindowHint | Qt::WindowTitleHint) -{ - setWindowOpacity(0.75); - setWindowTitle(tr("Options (double click to flip)")); - QGridLayout *layout = new QGridLayout; - setLayout(layout); - layout->setColumnStretch(1, 1); - - int row = 0; - - QCheckBox *check = new QCheckBox(tr("Dynamic cube map")); - check->setCheckState(Qt::Unchecked); - // Dynamic cube maps are only enabled when multi-texturing and render to texture are available. - check->setEnabled(glActiveTexture && glGenFramebuffersEXT); - connect(check, &QCheckBox::stateChanged, this, &RenderOptionsDialog::dynamicCubemapToggled); - layout->addWidget(check, 0, 0, 1, 2); - ++row; - - // Load all .par files - // .par files have a simple syntax for specifying user adjustable uniform variables. - const QList<QFileInfo> files = QDir(QStringLiteral(":/res/boxes/")) - .entryInfoList({ QStringLiteral("*.par") }, - QDir::Files | QDir::Readable); - - for (const QFileInfo &fileInfo : files) { - QFile file(fileInfo.absoluteFilePath()); - if (file.open(QIODevice::ReadOnly)) { - while (!file.atEnd()) { - QList<QByteArray> tokens = file.readLine().simplified().split(' '); - QList<QByteArray>::const_iterator it = tokens.begin(); - if (it == tokens.end()) - continue; - QByteArray type = *it; - if (++it == tokens.end()) - continue; - QByteArray name = *it; - bool singleElement = (tokens.size() == 3); // type, name and one value - char counter[10] = "000000000"; - int counterPos = 8; // position of last digit - while (++it != tokens.end()) { - m_parameterNames << name; - if (!singleElement) { - m_parameterNames.back() += '['; - m_parameterNames.back() += counter + counterPos; - m_parameterNames.back() += ']'; - int j = 8; // position of last digit - ++counter[j]; - while (j > 0 && counter[j] > '9') { - counter[j] = '0'; - ++counter[--j]; - } - if (j < counterPos) - counterPos = j; - } - - if (type == "color") { - layout->addWidget(new QLabel(m_parameterNames.back())); - bool ok; - ColorEdit *colorEdit = new ColorEdit(it->toUInt(&ok, 16), m_parameterNames.size() - 1); - m_parameterEdits << colorEdit; - layout->addWidget(colorEdit); - connect(colorEdit, &ColorEdit::colorChanged, this, &RenderOptionsDialog::setColorParameter); - ++row; - } else if (type == "float") { - layout->addWidget(new QLabel(m_parameterNames.back())); - bool ok; - FloatEdit *floatEdit = new FloatEdit(it->toFloat(&ok), m_parameterNames.size() - 1); - m_parameterEdits << floatEdit; - layout->addWidget(floatEdit); - connect(floatEdit, &FloatEdit::valueChanged, this, &RenderOptionsDialog::setFloatParameter); - ++row; - } - } - } - file.close(); - } - } - - layout->addWidget(new QLabel(tr("Texture:"))); - m_textureCombo = new QComboBox; - connect(m_textureCombo, QOverload<int>::of(&QComboBox::currentIndexChanged), - this, &RenderOptionsDialog::textureChanged); - layout->addWidget(m_textureCombo); - ++row; - - layout->addWidget(new QLabel(tr("Shader:"))); - m_shaderCombo = new QComboBox; - connect(m_shaderCombo, QOverload<int>::of(&QComboBox::currentIndexChanged), - this, &RenderOptionsDialog::shaderChanged); - layout->addWidget(m_shaderCombo); - ++row; - - layout->setRowStretch(row, 1); -} - -int RenderOptionsDialog::addTexture(const QString &name) -{ - m_textureCombo->addItem(name); - return m_textureCombo->count() - 1; -} - -int RenderOptionsDialog::addShader(const QString &name) -{ - m_shaderCombo->addItem(name); - return m_shaderCombo->count() - 1; -} - -void RenderOptionsDialog::emitParameterChanged() -{ - for (ParameterEdit *edit : qAsConst(m_parameterEdits)) - edit->emitChange(); -} - -void RenderOptionsDialog::setColorParameter(QRgb color, int id) -{ - emit colorParameterChanged(m_parameterNames[id], color); -} - -void RenderOptionsDialog::setFloatParameter(float value, int id) -{ - emit floatParameterChanged(m_parameterNames[id], value); -} - -void RenderOptionsDialog::mouseDoubleClickEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) - emit doubleClicked(); -} - -//============================================================================// -// ItemDialog // -//============================================================================// - -ItemDialog::ItemDialog() - : QDialog(nullptr, Qt::CustomizeWindowHint | Qt::WindowTitleHint) -{ - setWindowTitle(tr("Items (double click to flip)")); - setWindowOpacity(0.75); - resize(160, 100); - - QVBoxLayout *layout = new QVBoxLayout; - setLayout(layout); - QPushButton *button; - - button = new QPushButton(tr("Add Qt box")); - layout->addWidget(button); - connect(button, &QAbstractButton::clicked, this, &ItemDialog::triggerNewQtBox); - - button = new QPushButton(tr("Add circle")); - layout->addWidget(button); - connect(button, &QAbstractButton::clicked, this, &ItemDialog::triggerNewCircleItem); - - button = new QPushButton(tr("Add square")); - layout->addWidget(button); - connect(button, &QAbstractButton::clicked, this, &ItemDialog::triggerNewSquareItem); - - layout->addStretch(1); -} - -void ItemDialog::triggerNewQtBox() -{ - emit newItemTriggered(QtBoxItem); -} - -void ItemDialog::triggerNewCircleItem() -{ - emit newItemTriggered(CircleItem); -} - -void ItemDialog::triggerNewSquareItem() -{ - emit newItemTriggered(SquareItem); -} - -void ItemDialog::mouseDoubleClickEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) - emit doubleClicked(); -} - -//============================================================================// -// Scene // -//============================================================================// - -const static char environmentShaderText[] = - "uniform samplerCube env;" - "void main() {" - "gl_FragColor = textureCube(env, gl_TexCoord[1].xyz);" - "}"; - -Scene::Scene(int width, int height, int maxTextureSize) - : m_distExp(600) - , m_frame(0) - , m_maxTextureSize(maxTextureSize) - , m_currentShader(0) - , m_currentTexture(0) - , m_dynamicCubemap(false) - , m_updateAllCubemaps(true) - , m_box(nullptr) - , m_vertexShader(nullptr) - , m_environmentShader(nullptr) - , m_environmentProgram(nullptr) -{ - setSceneRect(0, 0, width, height); - - m_trackBalls[0] = TrackBall(0.05f, QVector3D(0, 1, 0), TrackBall::Sphere); - m_trackBalls[1] = TrackBall(0.005f, QVector3D(0, 0, 1), TrackBall::Sphere); - m_trackBalls[2] = TrackBall(0.0f, QVector3D(0, 1, 0), TrackBall::Plane); - - m_renderOptions = new RenderOptionsDialog; - m_renderOptions->move(20, 120); - m_renderOptions->resize(m_renderOptions->sizeHint()); - - connect(m_renderOptions, &RenderOptionsDialog::dynamicCubemapToggled, this, &Scene::toggleDynamicCubemap); - connect(m_renderOptions, &RenderOptionsDialog::colorParameterChanged, this, &Scene::setColorParameter); - connect(m_renderOptions, &RenderOptionsDialog::floatParameterChanged, this, &Scene::setFloatParameter); - connect(m_renderOptions, &RenderOptionsDialog::textureChanged, this, &Scene::setTexture); - connect(m_renderOptions, &RenderOptionsDialog::shaderChanged, this, &Scene::setShader); - - m_itemDialog = new ItemDialog; - connect(m_itemDialog, &ItemDialog::newItemTriggered, this, &Scene::newItem); - - TwoSidedGraphicsWidget *twoSided = new TwoSidedGraphicsWidget(this); - twoSided->setWidget(0, m_renderOptions); - twoSided->setWidget(1, m_itemDialog); - - connect(m_renderOptions, &RenderOptionsDialog::doubleClicked, twoSided, &TwoSidedGraphicsWidget::flip); - connect(m_itemDialog, &ItemDialog::doubleClicked, twoSided, &TwoSidedGraphicsWidget::flip); - - addItem(new QtBox(64, width - 64, height - 64)); - addItem(new QtBox(64, width - 64, 64)); - addItem(new QtBox(64, 64, height - 64)); - addItem(new QtBox(64, 64, 64)); - - initGL(); - - m_timer = new QTimer(this); - m_timer->setInterval(20); - connect(m_timer, &QTimer::timeout, this, [this](){ update(); }); - m_timer->start(); -} - -Scene::~Scene() -{ - delete m_box; - qDeleteAll(m_textures); - delete m_mainCubemap; - qDeleteAll(m_programs); - delete m_vertexShader; - qDeleteAll(m_fragmentShaders); - qDeleteAll(m_cubemaps); - delete m_environmentShader; - delete m_environmentProgram; -} - -void Scene::initGL() -{ - m_box = new GLRoundedBox(0.25f, 1.0f, 10); - - m_vertexShader = new QGLShader(QGLShader::Vertex); - m_vertexShader->compileSourceFile(QLatin1String(":/res/boxes/basic.vsh")); - - QStringList list; - list << ":/res/boxes/cubemap_posx.jpg" << ":/res/boxes/cubemap_negx.jpg" << ":/res/boxes/cubemap_posy.jpg" - << ":/res/boxes/cubemap_negy.jpg" << ":/res/boxes/cubemap_posz.jpg" << ":/res/boxes/cubemap_negz.jpg"; - m_environment = new GLTextureCube(list, qMin(1024, m_maxTextureSize)); - m_environmentShader = new QGLShader(QGLShader::Fragment); - m_environmentShader->compileSourceCode(environmentShaderText); - m_environmentProgram = new QGLShaderProgram; - m_environmentProgram->addShader(m_vertexShader); - m_environmentProgram->addShader(m_environmentShader); - m_environmentProgram->link(); - - const int NOISE_SIZE = 128; // for a different size, B and BM in fbm.c must also be changed - m_noise = new GLTexture3D(NOISE_SIZE, NOISE_SIZE, NOISE_SIZE); - QVector<QRgb> data(NOISE_SIZE * NOISE_SIZE * NOISE_SIZE, QRgb(0)); - QRgb *p = data.data(); - float pos[3]; - for (int k = 0; k < NOISE_SIZE; ++k) { - pos[2] = k * (0x20 / (float)NOISE_SIZE); - for (int j = 0; j < NOISE_SIZE; ++j) { - for (int i = 0; i < NOISE_SIZE; ++i) { - for (int byte = 0; byte < 4; ++byte) { - pos[0] = (i + (byte & 1) * 16) * (0x20 / (float)NOISE_SIZE); - pos[1] = (j + (byte & 2) * 8) * (0x20 / (float)NOISE_SIZE); - *p |= (int)(128.0f * (noise3(pos) + 1.0f)) << (byte * 8); - } - ++p; - } - } - } - m_noise->load(NOISE_SIZE, NOISE_SIZE, NOISE_SIZE, data.data()); - - m_mainCubemap = new GLRenderTargetCube(512); - - QList<QFileInfo> files; - - // Load all .png files as textures - m_currentTexture = 0; - files = QDir(":/res/boxes/").entryInfoList({ QStringLiteral("*.png") }, QDir::Files | QDir::Readable); - - for (const QFileInfo &file : qAsConst(files)) { - GLTexture *texture = new GLTexture2D(file.absoluteFilePath(), qMin(256, m_maxTextureSize), qMin(256, m_maxTextureSize)); - if (texture->failed()) { - delete texture; - continue; - } - m_textures << texture; - m_renderOptions->addTexture(file.baseName()); - } - - if (m_textures.size() == 0) - m_textures << new GLTexture2D(qMin(64, m_maxTextureSize), qMin(64, m_maxTextureSize)); - - // Load all .fsh files as fragment shaders - m_currentShader = 0; - files = QDir(":/res/boxes/").entryInfoList({ QStringLiteral("*.fsh") }, QDir::Files | QDir::Readable); - for (const QFileInfo &file : qAsConst(files)) { - QGLShaderProgram *program = new QGLShaderProgram; - QGLShader* shader = new QGLShader(QGLShader::Fragment); - shader->compileSourceFile(file.absoluteFilePath()); - // The program does not take ownership over the shaders, so store them in a vector so they can be deleted afterwards. - program->addShader(m_vertexShader); - program->addShader(shader); - if (!program->link()) { - qWarning("Failed to compile and link shader program"); - qWarning("Vertex shader log:"); - qWarning() << m_vertexShader->log(); - qWarning() << "Fragment shader log ( file =" << file.absoluteFilePath() << "):"; - qWarning() << shader->log(); - qWarning("Shader program log:"); - qWarning() << program->log(); - - delete shader; - delete program; - continue; - } - - m_fragmentShaders << shader; - m_programs << program; - m_renderOptions->addShader(file.baseName()); - - program->bind(); - m_cubemaps << ((program->uniformLocation("env") != -1) ? new GLRenderTargetCube(qMin(256, m_maxTextureSize)) : nullptr); - program->release(); - } - - if (m_programs.size() == 0) - m_programs << new QGLShaderProgram; - - m_renderOptions->emitParameterChanged(); -} - -static void loadMatrix(const QMatrix4x4 &m) -{ - // static to prevent glLoadMatrixf to fail on certain drivers - static GLfloat mat[16]; - const float *data = m.constData(); - for (int index = 0; index < 16; ++index) - mat[index] = data[index]; - glLoadMatrixf(mat); -} - -// If one of the boxes should not be rendered, set excludeBox to its index. -// If the main box should not be rendered, set excludeBox to -1. -void Scene::renderBoxes(const QMatrix4x4 &view, int excludeBox) -{ - QMatrix4x4 invView = view.inverted(); - - // If multi-texturing is supported, use three saplers. - if (glActiveTexture) { - glActiveTexture(GL_TEXTURE0); - m_textures[m_currentTexture]->bind(); - glActiveTexture(GL_TEXTURE2); - m_noise->bind(); - glActiveTexture(GL_TEXTURE1); - } else { - m_textures[m_currentTexture]->bind(); - } - - glDisable(GL_LIGHTING); - glDisable(GL_CULL_FACE); - - QMatrix4x4 viewRotation(view); - viewRotation(3, 0) = viewRotation(3, 1) = viewRotation(3, 2) = 0.0f; - viewRotation(0, 3) = viewRotation(1, 3) = viewRotation(2, 3) = 0.0f; - viewRotation(3, 3) = 1.0f; - loadMatrix(viewRotation); - glScalef(20.0f, 20.0f, 20.0f); - - // Don't render the environment if the environment texture can't be set for the correct sampler. - if (glActiveTexture) { - m_environment->bind(); - m_environmentProgram->bind(); - m_environmentProgram->setUniformValue("tex", GLint(0)); - m_environmentProgram->setUniformValue("env", GLint(1)); - m_environmentProgram->setUniformValue("noise", GLint(2)); - m_box->draw(); - m_environmentProgram->release(); - m_environment->unbind(); - } - - loadMatrix(view); - - glEnable(GL_CULL_FACE); - glEnable(GL_LIGHTING); - - for (int i = 0; i < m_programs.size(); ++i) { - if (i == excludeBox) - continue; - - glPushMatrix(); - QMatrix4x4 m; - m.rotate(m_trackBalls[1].rotation()); - glMultMatrixf(m.constData()); - - glRotatef(360.0f * i / m_programs.size(), 0.0f, 0.0f, 1.0f); - glTranslatef(2.0f, 0.0f, 0.0f); - glScalef(0.3f, 0.6f, 0.6f); - - if (glActiveTexture) { - if (m_dynamicCubemap && m_cubemaps[i]) - m_cubemaps[i]->bind(); - else - m_environment->bind(); - } - m_programs[i]->bind(); - m_programs[i]->setUniformValue("tex", GLint(0)); - m_programs[i]->setUniformValue("env", GLint(1)); - m_programs[i]->setUniformValue("noise", GLint(2)); - m_programs[i]->setUniformValue("view", view); - m_programs[i]->setUniformValue("invView", invView); - m_box->draw(); - m_programs[i]->release(); - - if (glActiveTexture) { - if (m_dynamicCubemap && m_cubemaps[i]) - m_cubemaps[i]->unbind(); - else - m_environment->unbind(); - } - glPopMatrix(); - } - - if (-1 != excludeBox) { - QMatrix4x4 m; - m.rotate(m_trackBalls[0].rotation()); - glMultMatrixf(m.constData()); - - if (glActiveTexture) { - if (m_dynamicCubemap) - m_mainCubemap->bind(); - else - m_environment->bind(); - } - - m_programs[m_currentShader]->bind(); - m_programs[m_currentShader]->setUniformValue("tex", GLint(0)); - m_programs[m_currentShader]->setUniformValue("env", GLint(1)); - m_programs[m_currentShader]->setUniformValue("noise", GLint(2)); - m_programs[m_currentShader]->setUniformValue("view", view); - m_programs[m_currentShader]->setUniformValue("invView", invView); - m_box->draw(); - m_programs[m_currentShader]->release(); - - if (glActiveTexture) { - if (m_dynamicCubemap) - m_mainCubemap->unbind(); - else - m_environment->unbind(); - } - } - - if (glActiveTexture) { - glActiveTexture(GL_TEXTURE2); - m_noise->unbind(); - glActiveTexture(GL_TEXTURE0); - } - m_textures[m_currentTexture]->unbind(); -} - -void Scene::setStates() -{ - //glClearColor(0.25f, 0.25f, 0.5f, 1.0f); - - glEnable(GL_DEPTH_TEST); - glEnable(GL_CULL_FACE); - glEnable(GL_LIGHTING); - //glEnable(GL_COLOR_MATERIAL); - glEnable(GL_TEXTURE_2D); - glEnable(GL_NORMALIZE); - - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - glLoadIdentity(); - - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - glLoadIdentity(); - - setLights(); - - float materialSpecular[] = {0.5f, 0.5f, 0.5f, 1.0f}; - glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, materialSpecular); - glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 32.0f); -} - -void Scene::setLights() -{ - glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); - //float lightColour[] = {1.0f, 1.0f, 1.0f, 1.0f}; - float lightDir[] = {0.0f, 0.0f, 1.0f, 0.0f}; - //glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColour); - //glLightfv(GL_LIGHT0, GL_SPECULAR, lightColour); - glLightfv(GL_LIGHT0, GL_POSITION, lightDir); - glLightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER, 1.0f); - glEnable(GL_LIGHT0); -} - -void Scene::defaultStates() -{ - //glClearColor(0.0f, 0.0f, 0.0f, 0.0f); - - glDisable(GL_DEPTH_TEST); - glDisable(GL_CULL_FACE); - glDisable(GL_LIGHTING); - //glDisable(GL_COLOR_MATERIAL); - glDisable(GL_TEXTURE_2D); - glDisable(GL_LIGHT0); - glDisable(GL_NORMALIZE); - - glMatrixMode(GL_MODELVIEW); - glPopMatrix(); - - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - - glLightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER, 0.0f); - float defaultMaterialSpecular[] = {0.0f, 0.0f, 0.0f, 1.0f}; - glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, defaultMaterialSpecular); - glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 0.0f); -} - -void Scene::renderCubemaps() -{ - // To speed things up, only update the cubemaps for the small cubes every N frames. - const int N = (m_updateAllCubemaps ? 1 : 3); - - QMatrix4x4 mat; - GLRenderTargetCube::getProjectionMatrix(mat, 0.1f, 100.0f); - - glMatrixMode(GL_PROJECTION); - glPushMatrix(); - loadMatrix(mat); - - glMatrixMode(GL_MODELVIEW); - glPushMatrix(); - - QVector3D center; - - const float eachAngle = 2 * M_PI / m_cubemaps.size(); - for (int i = m_frame % N; i < m_cubemaps.size(); i += N) { - if (0 == m_cubemaps[i]) - continue; - - float angle = i * eachAngle; - - center = m_trackBalls[1].rotation().rotatedVector(QVector3D(std::cos(angle), std::sin(angle), 0.0f)); - - for (int face = 0; face < 6; ++face) { - m_cubemaps[i]->begin(face); - - GLRenderTargetCube::getViewMatrix(mat, face); - QVector4D v = QVector4D(-center.x(), -center.y(), -center.z(), 1.0); - mat.setColumn(3, mat * v); - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - renderBoxes(mat, i); - - m_cubemaps[i]->end(); - } - } - - for (int face = 0; face < 6; ++face) { - m_mainCubemap->begin(face); - GLRenderTargetCube::getViewMatrix(mat, face); - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - renderBoxes(mat, -1); - - m_mainCubemap->end(); - } - - glPopMatrix(); - - glMatrixMode(GL_PROJECTION); - glPopMatrix(); - - m_updateAllCubemaps = false; -} - -void Scene::drawBackground(QPainter *painter, const QRectF &) -{ - float width = float(painter->device()->width()); - float height = float(painter->device()->height()); - - painter->beginNativePainting(); - setStates(); - - if (m_dynamicCubemap) - renderCubemaps(); - - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - glMatrixMode(GL_PROJECTION); - qgluPerspective(60.0, width / height, 0.01, 15.0); - - glMatrixMode(GL_MODELVIEW); - - QMatrix4x4 view; - view.rotate(m_trackBalls[2].rotation()); - view(2, 3) -= 2.0f * std::exp(m_distExp / 1200.0f); - renderBoxes(view); - - defaultStates(); - ++m_frame; - - painter->endNativePainting(); -} - -QPointF Scene::pixelPosToViewPos(const QPointF& p) -{ - return QPointF(2.0 * float(p.x()) / width() - 1.0, - 1.0 - 2.0 * float(p.y()) / height()); -} - -void Scene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) -{ - QGraphicsScene::mouseMoveEvent(event); - if (event->isAccepted()) - return; - - if (event->buttons() & Qt::LeftButton) { - m_trackBalls[0].move(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - event->accept(); - } else { - m_trackBalls[0].release(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - } - - if (event->buttons() & Qt::RightButton) { - m_trackBalls[1].move(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - event->accept(); - } else { - m_trackBalls[1].release(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - } - - if (event->buttons() & Qt::MidButton) { - m_trackBalls[2].move(pixelPosToViewPos(event->scenePos()), QQuaternion()); - event->accept(); - } else { - m_trackBalls[2].release(pixelPosToViewPos(event->scenePos()), QQuaternion()); - } -} - -void Scene::mousePressEvent(QGraphicsSceneMouseEvent *event) -{ - QGraphicsScene::mousePressEvent(event); - if (event->isAccepted()) - return; - - if (event->buttons() & Qt::LeftButton) { - m_trackBalls[0].push(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - event->accept(); - } - - if (event->buttons() & Qt::RightButton) { - m_trackBalls[1].push(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - event->accept(); - } - - if (event->buttons() & Qt::MidButton) { - m_trackBalls[2].push(pixelPosToViewPos(event->scenePos()), QQuaternion()); - event->accept(); - } -} - -void Scene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) -{ - QGraphicsScene::mouseReleaseEvent(event); - if (event->isAccepted()) - return; - - if (event->button() == Qt::LeftButton) { - m_trackBalls[0].release(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - event->accept(); - } - - if (event->button() == Qt::RightButton) { - m_trackBalls[1].release(pixelPosToViewPos(event->scenePos()), m_trackBalls[2].rotation().conjugated()); - event->accept(); - } - - if (event->button() == Qt::MidButton) { - m_trackBalls[2].release(pixelPosToViewPos(event->scenePos()), QQuaternion()); - event->accept(); - } -} - -void Scene::wheelEvent(QGraphicsSceneWheelEvent * event) -{ - QGraphicsScene::wheelEvent(event); - if (!event->isAccepted()) { - m_distExp += event->delta(); - if (m_distExp < -8 * 120) - m_distExp = -8 * 120; - if (m_distExp > 10 * 120) - m_distExp = 10 * 120; - event->accept(); - } -} - -void Scene::setShader(int index) -{ - if (index >= 0 && index < m_fragmentShaders.size()) - m_currentShader = index; -} - -void Scene::setTexture(int index) -{ - if (index >= 0 && index < m_textures.size()) - m_currentTexture = index; -} - -void Scene::toggleDynamicCubemap(int state) -{ - if ((m_dynamicCubemap = (state == Qt::Checked))) - m_updateAllCubemaps = true; -} - -void Scene::setColorParameter(const QString &name, QRgb color) -{ - // set the color in all programs - for (QGLShaderProgram *program : qAsConst(m_programs)) { - program->bind(); - program->setUniformValue(program->uniformLocation(name), QColor(color)); - program->release(); - } -} - -void Scene::setFloatParameter(const QString &name, float value) -{ - // set the color in all programs - for (QGLShaderProgram *program : qAsConst(m_programs)) { - program->bind(); - program->setUniformValue(program->uniformLocation(name), value); - program->release(); - } -} - -void Scene::newItem(ItemDialog::ItemType type) -{ - QSize size = sceneRect().size().toSize(); - switch (type) { - case ItemDialog::QtBoxItem: - addItem(new QtBox(64, QRandomGenerator::global()->bounded(size.width() - 64) + 32, - QRandomGenerator::global()->bounded(size.height() - 64) + 32)); - break; - case ItemDialog::CircleItem: - addItem(new CircleItem(64, QRandomGenerator::global()->bounded(size.width() - 64) + 32, - QRandomGenerator::global()->bounded(size.height() - 64) + 32)); - break; - case ItemDialog::SquareItem: - addItem(new SquareItem(64, QRandomGenerator::global()->bounded(size.width() - 64) + 32, - QRandomGenerator::global()->bounded(size.height() - 64) + 32)); - break; - default: - break; - } -} diff --git a/examples/widgets/graphicsview/boxes/scene.h b/examples/widgets/graphicsview/boxes/scene.h deleted file mode 100644 index 5d65dc71e2..0000000000 --- a/examples/widgets/graphicsview/boxes/scene.h +++ /dev/null @@ -1,247 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef SCENE_H -#define SCENE_H - -#include "glbuffers.h" -#include "glextensions.h" -#include "gltrianglemesh.h" -#include "qtbox.h" -#include "roundedbox.h" -#include "trackball.h" - -QT_BEGIN_NAMESPACE -class QMatrix4x4; -QT_END_NAMESPACE - -class ParameterEdit : public QWidget -{ -public: - virtual void emitChange() = 0; -}; - -class ColorEdit : public ParameterEdit -{ - Q_OBJECT -public: - ColorEdit(QRgb initialColor, int id); - QRgb color() const {return m_color;} - void emitChange() override { emit colorChanged(m_color, m_id); } -public slots: - void editDone(); -signals: - void colorChanged(QRgb color, int id); -protected: - void mousePressEvent(QMouseEvent *event) override; - void setColor(QRgb color); // also emits colorChanged() -private: - QGraphicsScene *m_dialogParentScene; - QLineEdit *m_lineEdit; - QFrame *m_button; - QRgb m_color; - int m_id; -}; - -class FloatEdit : public ParameterEdit -{ - Q_OBJECT -public: - FloatEdit(float initialValue, int id); - float value() const {return m_value;} - void emitChange() override { emit valueChanged(m_value, m_id); } -public slots: - void editDone(); -signals: - void valueChanged(float value, int id); -private: - QGraphicsScene *m_dialogParentScene; - QLineEdit *m_lineEdit; - float m_value; - int m_id; -}; - -class GraphicsWidget : public QGraphicsProxyWidget -{ -public: - GraphicsWidget() : QGraphicsProxyWidget(nullptr, Qt::Window) {} -protected: - QVariant itemChange(GraphicsItemChange change, const QVariant &value) override; - void resizeEvent(QGraphicsSceneResizeEvent *event) override; - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; -}; - -class TwoSidedGraphicsWidget : public QObject -{ - Q_OBJECT -public: - using QObject::QObject; - void setWidget(int index, QWidget *widget); - QWidget *widget(int index); -public slots: - void flip(); -protected slots: - void animateFlip(); -private: - GraphicsWidget *m_proxyWidgets[2] = {nullptr, nullptr}; - int m_current = 0; - int m_angle = 0; // angle in degrees - int m_delta = 0; -}; - -class RenderOptionsDialog : public QDialog -{ - Q_OBJECT -public: - RenderOptionsDialog(); - int addTexture(const QString &name); - int addShader(const QString &name); - void emitParameterChanged(); -protected slots: - void setColorParameter(QRgb color, int id); - void setFloatParameter(float value, int id); -signals: - void dynamicCubemapToggled(int); - void colorParameterChanged(const QString &, QRgb); - void floatParameterChanged(const QString &, float); - void textureChanged(int); - void shaderChanged(int); - void doubleClicked(); -protected: - void mouseDoubleClickEvent(QMouseEvent *event) override; - - QVector<QByteArray> m_parameterNames; - QComboBox *m_textureCombo; - QComboBox *m_shaderCombo; - QVector<ParameterEdit *> m_parameterEdits; -}; - -class ItemDialog : public QDialog -{ - Q_OBJECT -public: - enum ItemType { - QtBoxItem, - CircleItem, - SquareItem, - }; - - ItemDialog(); -public slots: - void triggerNewQtBox(); - void triggerNewCircleItem(); - void triggerNewSquareItem(); -signals: - void doubleClicked(); - void newItemTriggered(ItemDialog::ItemType type); -protected: - void mouseDoubleClickEvent(QMouseEvent *event) override; -}; - -class Scene : public QGraphicsScene -{ - Q_OBJECT -public: - Scene(int width, int height, int maxTextureSize); - ~Scene(); - void drawBackground(QPainter *painter, const QRectF &rect) override; - -public slots: - void setShader(int index); - void setTexture(int index); - void toggleDynamicCubemap(int state); - void setColorParameter(const QString &name, QRgb color); - void setFloatParameter(const QString &name, float value); - void newItem(ItemDialog::ItemType type); -protected: - void renderBoxes(const QMatrix4x4 &view, int excludeBox = -2); - void setStates(); - void setLights(); - void defaultStates(); - void renderCubemaps(); - - void mousePressEvent(QGraphicsSceneMouseEvent *event) override; - void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override; - void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override; - void wheelEvent(QGraphicsSceneWheelEvent * event) override; -private: - void initGL(); - QPointF pixelPosToViewPos(const QPointF& p); - - QTime m_time; // ### Qt 6: remove (unused) - int m_lastTime; - int m_mouseEventTime; - int m_distExp; - int m_frame; - int m_maxTextureSize; - - int m_currentShader; - int m_currentTexture; - bool m_dynamicCubemap; - bool m_updateAllCubemaps; - - RenderOptionsDialog *m_renderOptions; - ItemDialog *m_itemDialog; - QTimer *m_timer; - GLRoundedBox *m_box; - TrackBall m_trackBalls[3]; - QVector<GLTexture *> m_textures; - GLTextureCube *m_environment; - GLTexture3D *m_noise; - GLRenderTargetCube *m_mainCubemap; - QVector<GLRenderTargetCube *> m_cubemaps; - QVector<QGLShaderProgram *> m_programs; - QGLShader *m_vertexShader; - QVector<QGLShader *> m_fragmentShaders; - QGLShader *m_environmentShader; - QGLShaderProgram *m_environmentProgram; -}; - -#endif diff --git a/examples/widgets/graphicsview/boxes/smiley.png b/examples/widgets/graphicsview/boxes/smiley.png Binary files differdeleted file mode 100644 index 41cfda6b23..0000000000 --- a/examples/widgets/graphicsview/boxes/smiley.png +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/square.jpg b/examples/widgets/graphicsview/boxes/square.jpg Binary files differdeleted file mode 100644 index 03f53bd530..0000000000 --- a/examples/widgets/graphicsview/boxes/square.jpg +++ /dev/null diff --git a/examples/widgets/graphicsview/boxes/trackball.cpp b/examples/widgets/graphicsview/boxes/trackball.cpp deleted file mode 100644 index b9dfc1fc7f..0000000000 --- a/examples/widgets/graphicsview/boxes/trackball.cpp +++ /dev/null @@ -1,159 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "trackball.h" -#include "scene.h" - -//============================================================================// -// TrackBall // -//============================================================================// - -TrackBall::TrackBall(TrackMode mode) - : TrackBall(0, QVector3D(0, 1, 0), mode) -{ -} - -TrackBall::TrackBall(float angularVelocity, const QVector3D& axis, TrackMode mode) - : m_axis(axis) - , m_angularVelocity(angularVelocity) - , m_mode(mode) -{} - -void TrackBall::push(const QPointF& p, const QQuaternion &) -{ - m_rotation = rotation(); - m_pressed = true; - m_lastTime = QTime::currentTime(); - m_lastPos = p; - m_angularVelocity = 0.0f; -} - -void TrackBall::move(const QPointF& p, const QQuaternion &transformation) -{ - if (!m_pressed) - return; - - QTime currentTime = QTime::currentTime(); - int msecs = m_lastTime.msecsTo(currentTime); - if (msecs <= 20) - return; - - switch (m_mode) { - case Plane: - { - QLineF delta(m_lastPos, p); - const float angleDelta = qRadiansToDegrees(float(delta.length())); - m_angularVelocity = angleDelta / msecs; - m_axis = QVector3D(-delta.dy(), delta.dx(), 0.0f).normalized(); - m_axis = transformation.rotatedVector(m_axis); - m_rotation = QQuaternion::fromAxisAndAngle(m_axis, angleDelta) * m_rotation; - } - break; - case Sphere: - { - QVector3D lastPos3D = QVector3D(m_lastPos.x(), m_lastPos.y(), 0.0f); - float sqrZ = 1 - QVector3D::dotProduct(lastPos3D, lastPos3D); - if (sqrZ > 0) - lastPos3D.setZ(std::sqrt(sqrZ)); - else - lastPos3D.normalize(); - - QVector3D currentPos3D = QVector3D(p.x(), p.y(), 0.0f); - sqrZ = 1 - QVector3D::dotProduct(currentPos3D, currentPos3D); - if (sqrZ > 0) - currentPos3D.setZ(std::sqrt(sqrZ)); - else - currentPos3D.normalize(); - - m_axis = QVector3D::crossProduct(lastPos3D, currentPos3D); - float angle = qRadiansToDegrees(std::asin(m_axis.length())); - - m_angularVelocity = angle / msecs; - m_axis.normalize(); - m_axis = transformation.rotatedVector(m_axis); - m_rotation = QQuaternion::fromAxisAndAngle(m_axis, angle) * m_rotation; - } - break; - } - - - m_lastPos = p; - m_lastTime = currentTime; -} - -void TrackBall::release(const QPointF& p, const QQuaternion &transformation) -{ - // Calling move() caused the rotation to stop if the framerate was too low. - move(p, transformation); - m_pressed = false; -} - -void TrackBall::start() -{ - m_lastTime = QTime::currentTime(); - m_paused = false; -} - -void TrackBall::stop() -{ - m_rotation = rotation(); - m_paused = true; -} - -QQuaternion TrackBall::rotation() const -{ - if (m_paused || m_pressed) - return m_rotation; - - QTime currentTime = QTime::currentTime(); - float angle = m_angularVelocity * m_lastTime.msecsTo(currentTime); - return QQuaternion::fromAxisAndAngle(m_axis, angle) * m_rotation; -} - diff --git a/examples/widgets/graphicsview/boxes/trackball.h b/examples/widgets/graphicsview/boxes/trackball.h deleted file mode 100644 index af90e4d842..0000000000 --- a/examples/widgets/graphicsview/boxes/trackball.h +++ /dev/null @@ -1,87 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef TRACKBALL_H -#define TRACKBALL_H - -#include <QQuaternion> -#include <QTime> -#include <QVector3D> - -class TrackBall -{ -public: - enum TrackMode - { - Plane, - Sphere, - }; - TrackBall(TrackMode mode = Sphere); - TrackBall(float angularVelocity, const QVector3D &axis, TrackMode mode = Sphere); - // coordinates in [-1,1]x[-1,1] - void push(const QPointF &p, const QQuaternion &transformation); - void move(const QPointF &p, const QQuaternion &transformation); - void release(const QPointF &p, const QQuaternion &transformation); - void start(); // starts clock - void stop(); // stops clock - QQuaternion rotation() const; -private: - QQuaternion m_rotation; - QVector3D m_axis = QVector3D(0, 1, 0); - float m_angularVelocity = 0; - - QPointF m_lastPos; - QTime m_lastTime = QTime::currentTime(); - TrackMode m_mode; - bool m_paused = false; - bool m_pressed = false; -}; - -#endif diff --git a/examples/widgets/graphicsview/boxes/wood.fsh b/examples/widgets/graphicsview/boxes/wood.fsh deleted file mode 100644 index fbb5195f3a..0000000000 --- a/examples/widgets/graphicsview/boxes/wood.fsh +++ /dev/null @@ -1,79 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -varying vec3 position, normal; -varying vec4 specular, ambient, diffuse, lightDirection; - -uniform sampler2D tex; -uniform sampler3D noise; - -//const vec4 woodColors[2] = {vec4(0.37,0.24,0.20,1), vec4(0.8,0.6,0.4,1)}; -uniform vec4 woodColors[2]; -//const float woodTubulence = 0.1; -uniform float woodTubulence; - -void main() -{ - float r = length(gl_TexCoord[1].yz); - r += woodTubulence * texture3D(noise, 0.25 * gl_TexCoord[1].xyz).x; - - vec3 N = normalize(normal); - // assume directional light - - gl_MaterialParameters M = gl_FrontMaterial; - - float NdotL = dot(N, lightDirection.xyz); - float RdotL = dot(reflect(normalize(position), N), lightDirection.xyz); - - float f = fract(16.0 * r); - vec4 unlitColor = mix(woodColors[0], woodColors[1], min(1.25 * f, 5.0 - 5.0 * f)); - gl_FragColor = (ambient + diffuse * max(NdotL, 0.0)) * unlitColor + - M.specular * specular * pow(max(RdotL, 0.0), M.shininess); -} diff --git a/examples/widgets/graphicsview/chip/chip.pro b/examples/widgets/graphicsview/chip/chip.pro index a46f07ce35..508928d026 100644 --- a/examples/widgets/graphicsview/chip/chip.pro +++ b/examples/widgets/graphicsview/chip/chip.pro @@ -6,7 +6,6 @@ SOURCES += mainwindow.cpp view.cpp chip.cpp QT += widgets qtHaveModule(printsupport): QT += printsupport -qtHaveModule(opengl): QT += opengl build_all:!build_pass { CONFIG -= build_all diff --git a/examples/widgets/graphicsview/chip/view.cpp b/examples/widgets/graphicsview/chip/view.cpp index 21998dc2df..77a6310778 100644 --- a/examples/widgets/graphicsview/chip/view.cpp +++ b/examples/widgets/graphicsview/chip/view.cpp @@ -57,11 +57,7 @@ #include <QPrintDialog> #endif #endif -#ifndef QT_NO_OPENGL -#include <QtOpenGL> -#else #include <QtWidgets> -#endif #include <QtMath> #if QT_CONFIG(wheelevent) @@ -156,14 +152,6 @@ View::View(const QString &name, QWidget *parent) antialiasButton->setText(tr("Antialiasing")); antialiasButton->setCheckable(true); antialiasButton->setChecked(false); - openGlButton = new QToolButton; - openGlButton->setText(tr("OpenGL")); - openGlButton->setCheckable(true); -#ifndef QT_NO_OPENGL - openGlButton->setEnabled(QGLFormat::hasOpenGL()); -#else - openGlButton->setEnabled(false); -#endif printButton = new QToolButton; printButton->setIcon(QIcon(QPixmap(":/fileprint.png"))); @@ -179,7 +167,6 @@ View::View(const QString &name, QWidget *parent) labelLayout->addWidget(dragModeButton); labelLayout->addStretch(); labelLayout->addWidget(antialiasButton); - labelLayout->addWidget(openGlButton); labelLayout->addWidget(printButton); QGridLayout *topLayout = new QGridLayout; @@ -200,7 +187,6 @@ View::View(const QString &name, QWidget *parent) connect(selectModeButton, &QAbstractButton::toggled, this, &View::togglePointerMode); connect(dragModeButton, &QAbstractButton::toggled, this, &View::togglePointerMode); connect(antialiasButton, &QAbstractButton::toggled, this, &View::toggleAntialiasing); - connect(openGlButton, &QAbstractButton::toggled, this, &View::toggleOpenGL); connect(rotateLeftIcon, &QAbstractButton::clicked, this, &View::rotateLeft); connect(rotateRightIcon, &QAbstractButton::clicked, this, &View::rotateRight); connect(zoomInIcon, &QAbstractButton::clicked, this, &View::zoomIn); @@ -250,13 +236,6 @@ void View::togglePointerMode() graphicsView->setInteractive(selectModeButton->isChecked()); } -void View::toggleOpenGL() -{ -#ifndef QT_NO_OPENGL - graphicsView->setViewport(openGlButton->isChecked() ? new QGLWidget(QGLFormat(QGL::SampleBuffers)) : new QWidget); -#endif -} - void View::toggleAntialiasing() { graphicsView->setRenderHint(QPainter::Antialiasing, antialiasButton->isChecked()); diff --git a/examples/widgets/graphicsview/chip/view.h b/examples/widgets/graphicsview/chip/view.h index ea7bd414f5..b780702c34 100644 --- a/examples/widgets/graphicsview/chip/view.h +++ b/examples/widgets/graphicsview/chip/view.h @@ -94,7 +94,6 @@ private slots: void setResetButtonEnabled(); void setupMatrix(); void togglePointerMode(); - void toggleOpenGL(); void toggleAntialiasing(); void print(); void rotateLeft(); @@ -106,7 +105,6 @@ private: QLabel *label2; QToolButton *selectModeButton; QToolButton *dragModeButton; - QToolButton *openGlButton; QToolButton *antialiasButton; QToolButton *printButton; QToolButton *resetButton; diff --git a/examples/widgets/graphicsview/graphicsview.pro b/examples/widgets/graphicsview/graphicsview.pro index b9bef70a0e..d591450559 100644 --- a/examples/widgets/graphicsview/graphicsview.pro +++ b/examples/widgets/graphicsview/graphicsview.pro @@ -14,7 +14,3 @@ SUBDIRS = \ weatheranchorlayout contains(DEFINES, QT_NO_CURSOR)|!qtConfig(draganddrop): SUBDIRS -= dragdroprobot - -qtHaveModule(opengl):!qtConfig(opengles.):!qtConfig(dynamicgl) { - SUBDIRS += boxes -} |
