diff options
Diffstat (limited to 'examples/effects/customshader/customshadereffect.cpp')
-rw-r--r-- | examples/effects/customshader/customshadereffect.cpp | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/examples/effects/customshader/customshadereffect.cpp b/examples/effects/customshader/customshadereffect.cpp deleted file mode 100644 index 73bbf4f..0000000 --- a/examples/effects/customshader/customshadereffect.cpp +++ /dev/null @@ -1,70 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 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. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "customshadereffect.h" -#include <QGLShaderProgram> - -static char const colorizeShaderCode[] = - "uniform lowp vec4 effectColor;\n" - "mediump vec4 customShader(lowp sampler2D imageTexture, highp vec2 textureCoords) {\n" - " vec4 src = texture2D(imageTexture, textureCoords);\n" - " float gray = dot(src.rgb, vec3(0.212671, 0.715160, 0.072169));\n" - " vec4 colorize = 1.0-((1.0-gray)*(1.0-effectColor));\n" - " return vec4(colorize.rgb * src.a, src.a);\n" - "}"; - -CustomShaderEffect::CustomShaderEffect() - : QGraphicsShaderEffect(), - color(Qt::red) -{ - setPixelShaderFragment(colorizeShaderCode); -} - -void CustomShaderEffect::setEffectColor(const QColor& c) -{ - color = c; - setUniformsDirty(); -} - -void CustomShaderEffect::setUniforms(QGLShaderProgram *program) -{ - program->setUniformValue("effectColor", color); -} |