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-rw-r--r--examples/opengl/legacy/grabber/glwidget.cpp286
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diff --git a/examples/opengl/legacy/grabber/glwidget.cpp b/examples/opengl/legacy/grabber/glwidget.cpp
deleted file mode 100644
index 6be4d30597..0000000000
--- a/examples/opengl/legacy/grabber/glwidget.cpp
+++ /dev/null
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples 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 "glwidget.h"
-
-#include <QMouseEvent>
-#include <QTimer>
-#include <qmath.h>
-
-GLWidget::GLWidget(QWidget *parent)
- : QGLWidget(parent)
-{
- gear1 = 0;
- gear2 = 0;
- gear3 = 0;
- xRot = 0;
- yRot = 0;
- zRot = 0;
- gear1Rot = 0;
-
- QTimer *timer = new QTimer(this);
- connect(timer, SIGNAL(timeout()), this, SLOT(advanceGears()));
- timer->start(20);
-}
-
-GLWidget::~GLWidget()
-{
- makeCurrent();
- glDeleteLists(gear1, 1);
- glDeleteLists(gear2, 1);
- glDeleteLists(gear3, 1);
-}
-
-void GLWidget::setXRotation(int angle)
-{
- normalizeAngle(&angle);
- if (angle != xRot) {
- xRot = angle;
- emit xRotationChanged(angle);
- updateGL();
- }
-}
-
-void GLWidget::setYRotation(int angle)
-{
- normalizeAngle(&angle);
- if (angle != yRot) {
- yRot = angle;
- emit yRotationChanged(angle);
- updateGL();
- }
-}
-
-void GLWidget::setZRotation(int angle)
-{
- normalizeAngle(&angle);
- if (angle != zRot) {
- zRot = angle;
- emit zRotationChanged(angle);
- updateGL();
- }
-}
-
-void GLWidget::initializeGL()
-{
- static const GLfloat lightPos[4] = { 5.0f, 5.0f, 10.0f, 1.0f };
- static const GLfloat reflectance1[4] = { 0.8f, 0.1f, 0.0f, 1.0f };
- static const GLfloat reflectance2[4] = { 0.0f, 0.8f, 0.2f, 1.0f };
- static const GLfloat reflectance3[4] = { 0.2f, 0.2f, 1.0f, 1.0f };
-
- glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- glEnable(GL_DEPTH_TEST);
-
- gear1 = makeGear(reflectance1, 1.0, 4.0, 1.0, 0.7, 20);
- gear2 = makeGear(reflectance2, 0.5, 2.0, 2.0, 0.7, 10);
- gear3 = makeGear(reflectance3, 1.3, 2.0, 0.5, 0.7, 10);
-
- glEnable(GL_NORMALIZE);
- glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
-}
-
-void GLWidget::paintGL()
-{
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- glPushMatrix();
- glRotated(xRot / 16.0, 1.0, 0.0, 0.0);
- glRotated(yRot / 16.0, 0.0, 1.0, 0.0);
- glRotated(zRot / 16.0, 0.0, 0.0, 1.0);
-
- drawGear(gear1, -3.0, -2.0, 0.0, gear1Rot / 16.0);
- drawGear(gear2, +3.1, -2.0, 0.0, -2.0 * (gear1Rot / 16.0) - 9.0);
-
- glRotated(+90.0, 1.0, 0.0, 0.0);
- drawGear(gear3, -3.1, -1.8, -2.2, +2.0 * (gear1Rot / 16.0) - 2.0);
-
- glPopMatrix();
-}
-
-void GLWidget::resizeGL(int width, int height)
-{
- int side = qMin(width, height);
- glViewport((width - side) / 2, (height - side) / 2, side, side);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-1.0, +1.0, -1.0, 1.0, 5.0, 60.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslated(0.0, 0.0, -40.0);
-}
-
-void GLWidget::mousePressEvent(QMouseEvent *event)
-{
- lastPos = event->pos();
-}
-
-void GLWidget::mouseMoveEvent(QMouseEvent *event)
-{
- int dx = event->x() - lastPos.x();
- int dy = event->y() - lastPos.y();
-
- if (event->buttons() & Qt::LeftButton) {
- setXRotation(xRot + 8 * dy);
- setYRotation(yRot + 8 * dx);
- } else if (event->buttons() & Qt::RightButton) {
- setXRotation(xRot + 8 * dy);
- setZRotation(zRot + 8 * dx);
- }
- lastPos = event->pos();
-}
-
-void GLWidget::advanceGears()
-{
- gear1Rot += 2 * 16;
- updateGL();
-}
-
-GLuint GLWidget::makeGear(const GLfloat *reflectance, GLdouble innerRadius,
- GLdouble outerRadius, GLdouble thickness,
- GLdouble toothSize, GLint toothCount)
-{
- GLuint list = glGenLists(1);
- glNewList(list, GL_COMPILE);
- glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, reflectance);
-
- GLdouble r0 = innerRadius;
- GLdouble r1 = outerRadius - toothSize / 2.0;
- GLdouble r2 = outerRadius + toothSize / 2.0;
- GLdouble toothAngle = 2 * M_PI / toothCount;
- GLdouble delta = toothAngle / 4.0;
- GLdouble z = thickness / 2.0;
-
- glShadeModel(GL_FLAT);
-
- for (int i = 0; i < 2; ++i) {
- GLdouble sign = (i == 0) ? +1.0 : -1.0;
-
- glNormal3d(0.0, 0.0, sign);
-
- glBegin(GL_QUAD_STRIP);
- for (int j = 0; j <= toothCount; ++j) {
- GLdouble angle = j * toothAngle;
- glVertex3d(r0 * cos(angle), r0 * sin(angle), sign * z);
- glVertex3d(r1 * cos(angle), r1 * sin(angle), sign * z);
- glVertex3d(r0 * cos(angle), r0 * sin(angle), sign * z);
- glVertex3d(r1 * cos(angle + 3 * delta), r1 * sin(angle + 3 * delta), sign * z);
- }
- glEnd();
-
- glBegin(GL_QUADS);
- for (int j = 0; j < toothCount; ++j) {
- GLdouble angle = j * toothAngle;
- glVertex3d(r1 * cos(angle), r1 * sin(angle), sign * z);
- glVertex3d(r2 * cos(angle + delta), r2 * sin(angle + delta), sign * z);
- glVertex3d(r2 * cos(angle + 2 * delta), r2 * sin(angle + 2 * delta), sign * z);
- glVertex3d(r1 * cos(angle + 3 * delta), r1 * sin(angle + 3 * delta), sign * z);
- }
- glEnd();
- }
-
- glBegin(GL_QUAD_STRIP);
- for (int i = 0; i < toothCount; ++i) {
- for (int j = 0; j < 2; ++j) {
- GLdouble angle = (i + j / 2.0) * toothAngle;
- GLdouble s1 = r1;
- GLdouble s2 = r2;
- if (j == 1)
- qSwap(s1, s2);
-
- glNormal3d(cos(angle), sin(angle), 0.0);
- glVertex3d(s1 * cos(angle), s1 * sin(angle), +z);
- glVertex3d(s1 * cos(angle), s1 * sin(angle), -z);
-
- glNormal3d(s2 * sin(angle + delta) - s1 * sin(angle),
- s1 * cos(angle) - s2 * cos(angle + delta), 0.0);
- glVertex3d(s2 * cos(angle + delta), s2 * sin(angle + delta), +z);
- glVertex3d(s2 * cos(angle + delta), s2 * sin(angle + delta), -z);
- }
- }
- glVertex3d(r1, 0.0, +z);
- glVertex3d(r1, 0.0, -z);
- glEnd();
-
- glShadeModel(GL_SMOOTH);
-
- glBegin(GL_QUAD_STRIP);
- for (int i = 0; i <= toothCount; ++i) {
- GLdouble angle = i * toothAngle;
- glNormal3d(-cos(angle), -sin(angle), 0.0);
- glVertex3d(r0 * cos(angle), r0 * sin(angle), +z);
- glVertex3d(r0 * cos(angle), r0 * sin(angle), -z);
- }
- glEnd();
-
- glEndList();
-
- return list;
-}
-
-void GLWidget::drawGear(GLuint gear, GLdouble dx, GLdouble dy, GLdouble dz,
- GLdouble angle)
-{
- glPushMatrix();
- glTranslated(dx, dy, dz);
- glRotated(angle, 0.0, 0.0, 1.0);
- glCallList(gear);
- glPopMatrix();
-}
-
-void GLWidget::normalizeAngle(int *angle)
-{
- while (*angle < 0)
- *angle += 360 * 16;
- while (*angle > 360 * 16)
- *angle -= 360 * 16;
-}
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