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import QtQuick 2.0
Item {
width: 320
height: 480
Text {
id: text
anchors.centerIn: parent
font.pixelSize: 80
text: "Shaderz!"
visible: false
Rectangle {
width: 50
height: 50
color: "red"
anchors.centerIn: parent
transform: Rotation{ angle: 90}
}
}
ShaderEffectSource {
id: source1
sourceItem: text
smooth: true
}
ShaderEffectSource {
id: source2
sourceItem: text
smooth: true
}
ShaderEffect{
width: parent.width
height: parent.height / 2
property variant source: source1
fragmentShader: "
uniform lowp sampler2D source;
varying highp vec2 qt_TexCoord0;
uniform lowp float qt_Opacity;
void main() {
gl_FragColor = vec4(1, qt_TexCoord0.y, 0, 1) * texture2D(source, qt_TexCoord0).a;
}
"
}
ShaderEffect {
y: parent.height / 2
width: parent.width
height: parent.height / 2
property variant source: source2
fragmentShader: "
uniform lowp sampler2D source;
varying highp vec2 qt_TexCoord0;
uniform lowp float qt_Opacity;
void main() {
gl_FragColor = vec4(0, qt_TexCoord0.y, 1, 1) * texture2D(source, qt_TexCoord0).a;
}
"
}
}
|
