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import QtQuick 2.0
Item {
width: 320
height: 480
Text {
id: text
anchors.centerIn: parent
font.pixelSize: 80
text: "Shaderz!"
}
ShaderEffectSource {
id: source
sourceItem: text
sourceRect: Qt.rect(rect.x - text.x, rect.y - text.y, rect.width, rect.height)
}
ShaderEffect {
anchors.fill: rect
property variant source: source
fragmentShader: "
uniform lowp sampler2D source;
varying highp vec2 qt_TexCoord0;
uniform lowp float qt_Opacity;
void main() {
gl_FragColor = vec4(qt_TexCoord0.x, qt_TexCoord0.y, 1, 1) * texture2D(source, qt_TexCoord0).a;
}
"
}
Rectangle {
id: rect
x: 100
y: 100
width: 100
height: 100
color: "transparent"
border.width: 2
border.color: "red"
MouseArea {
anchors.fill: parent
drag.target: parent
drag.axis: Drag.XandYAxis
drag.minimumX: 0
drag.maximumX: parent.parent.width - width
drag.minimumY: 0
drag.maximumY: parent.parent.height - height
}
}
}
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