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Viewing changes to tests/manual/scenegraph_lancelot/data/shaders/hiddensource/unhidden_2.qml

  • Committer: Package Import Robot
  • Author(s): Timo Jyrinki
  • Date: 2013-02-05 14:17:19 UTC
  • Revision ID: package-import@ubuntu.com-20130205141719-qqeyml8wslpyez52
Tags: upstream-5.0.1
Import upstream version 5.0.1

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tests/manual/scenegraph_lancelot/data/shaders/hiddensource/unhidden_2.qml
 
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import QtQuick 2.0
 
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Item {
 
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    width: 320
 
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    height: 480
 
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    Rectangle {
 
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        id: draggee
 
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        width: 200
 
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        height: 80
 
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        x: 100
 
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        y: 360
 
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        gradient: Gradient {
 
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            GradientStop { position: 0.0; color: "steelBlue" }
 
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            GradientStop { position: 0.49; color: "white" }
 
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            GradientStop { position: 0.5; color: "gray" }
 
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            GradientStop { position: 1.0; color: "darkGray" }
 
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        }
 
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        radius: 20
 
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        border.width: 2
 
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        border.color: "black"
 
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        Text {
 
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            anchors.centerIn: parent
 
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            font.pixelSize: 40
 
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            text: "Position 2"
 
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        }
 
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    }
 
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    ShaderEffectSource {
 
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        id: source
 
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        sourceItem: draggee
 
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        hideSource: false
 
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        property real margins: 6
 
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        sourceRect: Qt.rect(-margins, -margins, sourceItem.width + 2 * margins, sourceItem.height + 2 * margins)
 
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        smooth: true
 
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    }
 
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    ShaderEffect{
 
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        id: effect
 
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        anchors.fill: source.sourceItem
 
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        anchors.margins: -source.margins
 
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        property variant source: source
 
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        property variant offset: Qt.size(4 / width, 4 / height)
 
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        property variant delta: Qt.size(0.5 / width, 0.5 / height)
 
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        fragmentShader: "
 
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            uniform lowp sampler2D source;
 
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            uniform highp vec2 offset;
 
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            uniform highp vec2 delta;
 
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            varying highp vec2 qt_TexCoord0;
 
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            uniform lowp float qt_Opacity;
 
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            void main() {
 
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                highp vec2 delta2 = vec2(delta.x, -delta.y);
 
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                lowp float shadow = 0.25 * (texture2D(source, qt_TexCoord0 - offset + delta).a
 
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                                  + texture2D(source, qt_TexCoord0 - offset - delta).a
 
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                                  + texture2D(source, qt_TexCoord0 - offset + delta2).a
 
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                                  + texture2D(source, qt_TexCoord0 - offset - delta2).a);
 
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                lowp vec4 color = texture2D(source, qt_TexCoord0);
 
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                gl_FragColor = mix(vec4(vec3(0.), 0.5 * shadow), color, color.a);
 
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            }
 
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            "
 
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    }
 
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}
 
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