diff options
Diffstat (limited to 'src/declarative/items/qsgshadereffectmesh_p.h')
-rw-r--r-- | src/declarative/items/qsgshadereffectmesh_p.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/declarative/items/qsgshadereffectmesh_p.h b/src/declarative/items/qsgshadereffectmesh_p.h new file mode 100644 index 0000000000..88198b5c40 --- /dev/null +++ b/src/declarative/items/qsgshadereffectmesh_p.h @@ -0,0 +1,102 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module 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 "qdeclarativeparserstatus.h" + +#include <QtCore/qobject.h> +#include <QtCore/qsize.h> +#include <QtCore/qvariant.h> +#include <QtOpenGL/qglfunctions.h> + +#ifndef SHADEREFFECTMESH_H +#define SHADEREFFECTMESH_H + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class QSGGeometry; +class QRectF; + +class QSGShaderEffectMesh : public QObject +{ + Q_OBJECT +public: + QSGShaderEffectMesh(QObject *parent = 0); + // If 'geometry' != 0, 'attributes' is the same as last time the function was called. + virtual QSGGeometry *updateGeometry(QSGGeometry *geometry, const QVector<QByteArray> &attributes, const QRectF &rect) const = 0; + +Q_SIGNALS: + // Emitted when the geometry needs to be updated. + void geometryChanged(); +}; + +class QSGGridMesh : public QSGShaderEffectMesh +{ + Q_OBJECT + Q_PROPERTY(QSize resolution READ resolution WRITE setResolution NOTIFY resolutionChanged) +public: + QSGGridMesh(QObject *parent = 0); + virtual QSGGeometry *updateGeometry(QSGGeometry *geometry, const QVector<QByteArray> &attributes, const QRectF &rect) const; + + void setResolution(const QSize &res); + QSize resolution() const; + +Q_SIGNALS: + void resolutionChanged(); + +private: + QSize m_resolution; +}; + +inline QColor qt_premultiply_color(const QColor &c) +{ + return QColor::fromRgbF(c.redF() * c.alphaF(), c.greenF() * c.alphaF(), c.blueF() * c.alphaF(), c.alphaF()); +} + + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // SHADEREFFECTITEM_H |