aboutsummaryrefslogtreecommitdiffstats
path: root/examples/qtquick/shadereffects/shadereffects.qml
diff options
context:
space:
mode:
Diffstat (limited to 'examples/qtquick/shadereffects/shadereffects.qml')
-rw-r--r--examples/qtquick/shadereffects/shadereffects.qml315
1 files changed, 0 insertions, 315 deletions
diff --git a/examples/qtquick/shadereffects/shadereffects.qml b/examples/qtquick/shadereffects/shadereffects.qml
deleted file mode 100644
index 70bcf1352a..0000000000
--- a/examples/qtquick/shadereffects/shadereffects.qml
+++ /dev/null
@@ -1,315 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the Declarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-import QtQuick 2.0
-import "content"
-
-Image {
- width: 320
- height: 480
-/*!
- \title QML Examples - Shader Effects
- \example declarative/shadereffects
- \image qml-shadereffects-example.png
- \brief This is a shader effects example
-
- This example demonstrates a couple of visual effects that you can perform
- with shaders in QtQuick 2.0
-*/
- source: "../snake/content/pics/background.png"
-
- Flickable {
- anchors.fill: parent
- contentWidth: 640
- contentHeight: 360
-
- ShaderEffectSource {
- id: theSource
- sourceItem: theItem
- smooth: true
- }
-
- function saturate(x) {
- return Math.min(Math.max(x, 0), 1)
- }
-
- function sliderToColor(x) {
- return Qt.rgba(saturate(Math.max(2 - 6 * x, 6 * x - 4)),
- saturate(Math.min(6 * x, 4 - 6 * x)),
- saturate(Math.min(6 * x - 2, 6 - 6 * x)))
- }
-
- Grid {
- anchors.centerIn: parent
- columns: 3
-
- Item {
- id: theItem
- width: 180
- height: 180
- ListView {
- anchors.centerIn: parent
- width: 160
- height: 140
- clip: true
- snapMode: ListView.SnapOneItem
- model: VisualItemModel {
- Text {
- width: 160
- height: 140
- horizontalAlignment: Text.AlignHCenter
- verticalAlignment: Text.AlignVCenter
- font.pixelSize: 120
- font.family: "Times"
- color: "blue"
- text: "Qt"
- }
- Image {
- width: 160
- height: 140
- source: "content/qt-logo.png"
- smooth: true
- }
- Image {
- width: 160
- height: 140
- source: "content/face-smile.png"
- smooth: true
- }
- }
- }
- }
- ShaderEffect {
- width: 180
- height: 180
- property variant source: theSource
- property real amplitude: 0.04 * wobbleSlider.value
- property real frequency: 20
- property real time: 0
- NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 }
- fragmentShader:
- "uniform lowp float qt_Opacity;" +
- "uniform highp float amplitude;" +
- "uniform highp float frequency;" +
- "uniform highp float time;" +
- "uniform sampler2D source;" +
- "varying highp vec2 qt_TexCoord0;" +
- "void main() {" +
- " highp vec2 p = sin(time + frequency * qt_TexCoord0);" +
- " gl_FragColor = texture2D(source, qt_TexCoord0 + amplitude * vec2(p.y, -p.x)) * qt_Opacity;" +
- "}"
- Slider {
- id: wobbleSlider
- anchors.left: parent.left
- anchors.right: parent.right
- anchors.bottom: parent.bottom
- height: 40
- }
- }
- ShaderEffect {
- width: 180
- height: 180
- property variant source: theSource
- property variant shadow: ShaderEffectSource {
- smooth: true
- sourceItem: ShaderEffect {
- width: theItem.width
- height: theItem.height
- property variant delta: Qt.size(0.0, 1.0 / height)
- property variant source: ShaderEffectSource {
- smooth: true
- sourceItem: ShaderEffect {
- width: theItem.width
- height: theItem.height
- property variant delta: Qt.size(1.0 / width, 0.0)
- property variant source: theSource
- fragmentShader: "
- uniform lowp float qt_Opacity;
- uniform sampler2D source;
- uniform highp vec2 delta;
- varying highp vec2 qt_TexCoord0;
- void main() {
- gl_FragColor =(0.0538 * texture2D(source, qt_TexCoord0 - 3.182 * delta)
- + 0.3229 * texture2D(source, qt_TexCoord0 - 1.364 * delta)
- + 0.2466 * texture2D(source, qt_TexCoord0)
- + 0.3229 * texture2D(source, qt_TexCoord0 + 1.364 * delta)
- + 0.0538 * texture2D(source, qt_TexCoord0 + 3.182 * delta)) * qt_Opacity;
- }"
- }
- }
- fragmentShader: "
- uniform lowp float qt_Opacity;
- uniform sampler2D source;
- uniform highp vec2 delta;
- varying highp vec2 qt_TexCoord0;
- void main() {
- gl_FragColor =(0.0538 * texture2D(source, qt_TexCoord0 - 3.182 * delta)
- + 0.3229 * texture2D(source, qt_TexCoord0 - 1.364 * delta)
- + 0.2466 * texture2D(source, qt_TexCoord0)
- + 0.3229 * texture2D(source, qt_TexCoord0 + 1.364 * delta)
- + 0.0538 * texture2D(source, qt_TexCoord0 + 3.182 * delta)) * qt_Opacity;
- }"
- }
- }
- property real angle: 0
- property variant offset: Qt.point(15.0 * Math.cos(angle), 15.0 * Math.sin(angle))
- NumberAnimation on angle { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 6000 }
- property variant delta: Qt.size(offset.x / width, offset.y / height)
- property real darkness: shadowSlider.value
- fragmentShader: "
- uniform lowp float qt_Opacity;
- uniform highp vec2 offset;
- uniform sampler2D source;
- uniform sampler2D shadow;
- uniform highp float darkness;
- uniform highp vec2 delta;
- varying highp vec2 qt_TexCoord0;
- void main() {
- lowp vec4 fg = texture2D(source, qt_TexCoord0);
- lowp vec4 bg = texture2D(shadow, qt_TexCoord0 + delta);
- gl_FragColor = (fg + vec4(0., 0., 0., darkness * bg.a) * (1. - fg.a)) * qt_Opacity;
- }"
- Slider {
- id: shadowSlider
- anchors.left: parent.left
- anchors.right: parent.right
- anchors.bottom: parent.bottom
- height: 40
- }
- }
- ShaderEffect {
- width: 180
- height: 180
- property variant source: theSource
- property variant delta: Qt.size(0.5 / width, 0.5 / height)
- fragmentShader: "
- uniform sampler2D source;
- uniform highp vec2 delta;
- uniform highp float qt_Opacity;
- varying highp vec2 qt_TexCoord0;
- void main() {
- lowp vec4 tl = texture2D(source, qt_TexCoord0 - delta);
- lowp vec4 tr = texture2D(source, qt_TexCoord0 + vec2(delta.x, -delta.y));
- lowp vec4 bl = texture2D(source, qt_TexCoord0 - vec2(delta.x, -delta.y));
- lowp vec4 br = texture2D(source, qt_TexCoord0 + delta);
- lowp vec4 gx = (tl + bl) - (tr + br);
- lowp vec4 gy = (tl + tr) - (bl + br);
- gl_FragColor.xyz = vec3(0.);
- gl_FragColor.w = clamp(dot(sqrt(gx * gx + gy * gy), vec4(1.)), 0., 1.) * qt_Opacity;
- }"
- }
- ShaderEffect {
- width: 180
- height: 180
- property variant source: theSource
- property color tint: sliderToColor(colorizeSlider.value)
- fragmentShader: "
- uniform sampler2D source;
- uniform lowp vec4 tint;
- uniform lowp float qt_Opacity;
- varying highp vec2 qt_TexCoord0;
- void main() {
- lowp vec4 c = texture2D(source, qt_TexCoord0);
- lowp float lo = min(min(c.x, c.y), c.z);
- lowp float hi = max(max(c.x, c.y), c.z);
- gl_FragColor = qt_Opacity * vec4(mix(vec3(lo), vec3(hi), tint.xyz), c.w);
- }"
- Slider {
- id: colorizeSlider
- anchors.left: parent.left
- anchors.right: parent.right
- anchors.bottom: parent.bottom
- height: 40
- }
- }
- ShaderEffect {
- width: 180
- height: 180
- mesh: Qt.size(10, 10)
- property variant source: theSource
- property real bend: 0
- property real minimize: 0
- property real side: genieSlider.value
- SequentialAnimation on bend {
- loops: Animation.Infinite
- NumberAnimation { to: 1; duration: 700; easing.type: Easing.InOutSine }
- PauseAnimation { duration: 1600 }
- NumberAnimation { to: 0; duration: 700; easing.type: Easing.InOutSine }
- PauseAnimation { duration: 1000 }
- }
- SequentialAnimation on minimize {
- loops: Animation.Infinite
- PauseAnimation { duration: 300 }
- NumberAnimation { to: 1; duration: 700; easing.type: Easing.InOutSine }
- PauseAnimation { duration: 1000 }
- NumberAnimation { to: 0; duration: 700; easing.type: Easing.InOutSine }
- PauseAnimation { duration: 1300 }
- }
- vertexShader: "
- uniform highp mat4 qt_Matrix;
- uniform highp float bend;
- uniform highp float minimize;
- uniform highp float side;
- uniform highp float width;
- uniform highp float height;
- attribute highp vec4 qt_Vertex;
- attribute highp vec2 qt_MultiTexCoord0;
- varying highp vec2 qt_TexCoord0;
- void main() {
- qt_TexCoord0 = qt_MultiTexCoord0;
- highp vec4 pos = qt_Vertex;
- pos.y = mix(qt_Vertex.y, height, minimize);
- highp float t = pos.y / height;
- t = (3. - 2. * t) * t * t;
- pos.x = mix(qt_Vertex.x, side * width, t * bend);
- gl_Position = qt_Matrix * pos;
- }"
- Slider {
- id: genieSlider
- anchors.left: parent.left
- anchors.right: parent.right
- anchors.bottom: parent.bottom
- height: 40
- }
- }
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 09:52:46 +0000