main.qml Example File
scenegraph/textureinsgnode/main.qml
import QtQuick 2.0
import SceneGraphRendering 1.0
Item {
width: 400
height: 400
ShaderEffect {
id: tileBackground
anchors.fill: parent
property real tileSize: 16
property color color1: Qt.rgba(0.9, 0.9, 0.9, 1);
property color color2: Qt.rgba(0.85, 0.85, 0.85, 1);
property size pixelSize: Qt.size(width / tileSize, height / tileSize);
fragmentShader:
"
uniform lowp vec4 color1;
uniform lowp vec4 color2;
uniform highp vec2 pixelSize;
varying highp vec2 qt_TexCoord0;
void main() {
highp vec2 tc = sign(sin(3.14152 * qt_TexCoord0 * pixelSize));
if (tc.x != tc.y)
gl_FragColor = color1;
else
gl_FragColor = color2;
}
"
}
Renderer {
id: renderer
anchors.fill: parent
anchors.margins: 10
transform: [
Rotation { id: rotation; axis.x: 0; axis.z: 0; axis.y: 1; angle: 0; origin.x: renderer.width / 2; origin.y: renderer.height / 2; },
Translate { id: txOut; x: -renderer.width / 2; y: -renderer.height / 2 },
Scale { id: scale; },
Translate { id: txIn; x: renderer.width / 2; y: renderer.height / 2 }
]
}
SequentialAnimation {
PauseAnimation { duration: 5000 }
ParallelAnimation {
NumberAnimation { target: scale; property: "xScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
NumberAnimation { target: scale; property: "yScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
}
NumberAnimation { target: rotation; property: "angle"; to: 80; duration: 1000; easing.type: Easing.InOutCubic }
NumberAnimation { target: rotation; property: "angle"; to: -80; duration: 1000; easing.type: Easing.InOutCubic }
NumberAnimation { target: rotation; property: "angle"; to: 0; duration: 1000; easing.type: Easing.InOutCubic }
NumberAnimation { target: renderer; property: "opacity"; to: 0.5; duration: 1000; easing.type: Easing.InOutCubic }
PauseAnimation { duration: 1000 }
NumberAnimation { target: renderer; property: "opacity"; to: 0.8; duration: 1000; easing.type: Easing.InOutCubic }
ParallelAnimation {
NumberAnimation { target: scale; property: "xScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
NumberAnimation { target: scale; property: "yScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
}
running: true
loops: Animation.Infinite
}
Rectangle {
id: labelFrame
anchors.margins: -10
radius: 5
color: "white"
border.color: "black"
opacity: 0.8
anchors.fill: label
}
Text {
id: label
anchors.bottom: renderer.bottom
anchors.left: renderer.left
anchors.right: renderer.right
anchors.margins: 20
wrapMode: Text.WordWrap
text: "The blue rectangle with the vintage 'Q' is an FBO, rendered by the application on the scene graph rendering thread. It is displayed using a QSGSimpleTextureNode."
}
}