summaryrefslogtreecommitdiffstats
path: root/examples/declarative/shadereffects/qml/GrayscaleEffect.qml
diff options
context:
space:
mode:
authorLiang Qi <liang.qi@nokia.com>2011-06-24 09:52:41 (GMT)
committerLiang Qi <liang.qi@nokia.com>2011-06-24 09:52:41 (GMT)
commitcf2f72f4f61f3a9e0e7573379c33bb341eeba7be (patch)
tree06fbd459f62f87344e7db973a0a9f3050cece825 /examples/declarative/shadereffects/qml/GrayscaleEffect.qml
parent164728f711136356a6c3482f762321b01c9d82dd (diff)
parent705b0f958a6071341b10cbd51917e1378356491b (diff)
downloadQt-cf2f72f4f61f3a9e0e7573379c33bb341eeba7be.zip
Qt-cf2f72f4f61f3a9e0e7573379c33bb341eeba7be.tar.gz
Qt-cf2f72f4f61f3a9e0e7573379c33bb341eeba7be.tar.bz2
Merge remote-tracking branch 'origin/4.7' into qt-4.8-from-4.7
Conflicts: src/gui/image/qpixmap_raster_symbian.cpp src/gui/image/qpixmapdatafactory.cpp src/gui/painting/qgraphicssystem.cpp src/gui/styles/qs60style.cpp src/network/bearer/qnetworkconfigmanager_p.h src/s60installs/bwins/QtGuiu.def src/s60installs/bwins/QtOpenGLu.def src/s60installs/bwins/QtOpenVGu.def src/s60installs/eabi/QtGuiu.def src/s60installs/eabi/QtOpenVGu.def tests/auto/qnetworkproxyfactory/tst_qnetworkproxyfactory.cpp
Diffstat (limited to 'examples/declarative/shadereffects/qml/GrayscaleEffect.qml')
-rwxr-xr-xexamples/declarative/shadereffects/qml/GrayscaleEffect.qml62
1 files changed, 62 insertions, 0 deletions
diff --git a/examples/declarative/shadereffects/qml/GrayscaleEffect.qml b/examples/declarative/shadereffects/qml/GrayscaleEffect.qml
new file mode 100755
index 0000000..34505ff
--- /dev/null
+++ b/examples/declarative/shadereffects/qml/GrayscaleEffect.qml
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 1.0
+import Qt.labs.shaders 1.0
+
+ShaderEffectItem {
+ id: effect
+ property real ratio: 1.0
+ property variant source: 0
+
+ fragmentShader:
+ "
+ varying highp vec2 qt_TexCoord0;
+ uniform sampler2D source;
+ uniform highp float ratio;
+ void main(void)
+ {
+ lowp vec4 textureColor = texture2D(source, qt_TexCoord0.st);
+ lowp float gray = dot(textureColor, vec4(0.299, 0.587, 0.114, 0.0));
+ gl_FragColor = vec4(gray * ratio + textureColor.r * (1.0 - ratio), gray * ratio + textureColor.g * (1.0 - ratio), gray * ratio + textureColor.b * (1.0 - ratio), textureColor.a);
+ }
+ "
+}