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Diffstat (limited to 'src/quick/doc/snippets/qml/layerwitheffect.qml')
-rw-r--r-- | src/quick/doc/snippets/qml/layerwitheffect.qml | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/quick/doc/snippets/qml/layerwitheffect.qml b/src/quick/doc/snippets/qml/layerwitheffect.qml new file mode 100644 index 0000000000..8cfac0bb19 --- /dev/null +++ b/src/quick/doc/snippets/qml/layerwitheffect.qml @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org> +** Contact: http://www.qt-project.org/legal +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names +** of its contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.2 + +Rectangle { + id: root + width: 320 + height: 320 + + gradient: Gradient { + GradientStop { position: 0; color: "steelblue" } + GradientStop { position: 1; color: "black" } + } + + property real cx: width / 2; + property real cy: height / 2; + property real boxSize: root.width * 0.2; + property real radius: width / 4; + + +//! [1] +Item { + id: layerRoot + layer.enabled: true + layer.effect: ShaderEffect { + fragmentShader: " + uniform lowp sampler2D source; // this item + uniform lowp float qt_Opacity; // inherited opacity of this item + varying highp vec2 qt_TexCoord0; + void main() { + lowp vec4 p = texture2D(source, qt_TexCoord0); + lowp float g = dot(p.xyz, vec3(0.344, 0.5, 0.156)); + gl_FragColor = vec4(g, g, g, p.a) * qt_Opacity; + }" + } +//! [1] + + anchors.fill: parent + + + Repeater { + id: repeater + model: 200 + + Rectangle { + id: box + + property real t: index / (repeater.model - 1); + + width: 0 + height: 0 + x: root.cx - Math.sin(Math.PI * 2 * t) * root.radius; + y: root.cy - Math.cos(Math.PI * 2 * t) * root.radius; + + Rectangle { + width: root.boxSize + height: root.boxSize + anchors.centerIn: parent + color: Qt.hsla(box.t, 0.5, 0.5); + border.color: "white" + antialiasing: true; + rotation: box.t * 360; +// RotationAnimator on rotation { +// from: box.t * 360; +// to: box.t * 360 + 360; +// duration: 7592; +// loops: Animation.Infinite +// } + } + } + } + } +} |