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Diffstat (limited to 'src/quick/doc/snippets/qml/layerblending.qml')
-rw-r--r-- | src/quick/doc/snippets/qml/layerblending.qml | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/quick/doc/snippets/qml/layerblending.qml b/src/quick/doc/snippets/qml/layerblending.qml new file mode 100644 index 0000000000..0ef23465a5 --- /dev/null +++ b/src/quick/doc/snippets/qml/layerblending.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 2.0 + +Item { + width: 300 + height: 200 + + // The checkers background + ShaderEffect { + id: tileBackground + anchors.fill: parent + + property real tileSize: 10 + 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; + } + " + } + + + Row { + height: 100 + anchors.centerIn: parent + spacing: 50 + +//! [non-layered] +Item { + id: nonLayered + + opacity: 0.5 + + width: 100 + height: 100 + + Rectangle { width: 80; height: 80; border.width: 1 } + Rectangle { x: 20; y: 20; width: 80; height: 80; border.width: 1 } +} +//! [non-layered] + +//! [layered] +Item { + id: layered + + opacity: 0.5 + + layer.enabled: true + + width: 100 + height: 100 + + Rectangle { width: 80; height: 80; border.width: 1 } + Rectangle { x: 20; y: 20; width: 80; height: 80; border.width: 1 } +} +//! [layered] + + } +} |