diff options
Diffstat (limited to 'src/plugins/graphicssystems/blittable')
4 files changed, 185 insertions, 0 deletions
diff --git a/src/plugins/graphicssystems/blittable/blittable.pro b/src/plugins/graphicssystems/blittable/blittable.pro new file mode 100644 index 0000000..34c4165 --- /dev/null +++ b/src/plugins/graphicssystems/blittable/blittable.pro @@ -0,0 +1,11 @@ +TARGET = qblittablegraphicssystem +include(../../qpluginbase.pri) + +QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/graphicssystems + +SOURCES = main.cpp +HEADERS = qblittable_image.h \ + qgraphicssystem_blittable.h + +target.path += $$[QT_INSTALL_PLUGINS]/graphicssystems +INSTALLS += target diff --git a/src/plugins/graphicssystems/blittable/main.cpp b/src/plugins/graphicssystems/blittable/main.cpp new file mode 100644 index 0000000..06c3189 --- /dev/null +++ b/src/plugins/graphicssystems/blittable/main.cpp @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** 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 plugins 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 <private/qgraphicssystemplugin_p.h> + +#include "qgraphicssystem_blittable.h" + +QT_BEGIN_NAMESPACE + +class QBlittableGraphicsSystemPlugin : public QGraphicsSystemPlugin +{ +public: + QStringList keys() const; + QGraphicsSystem *create(const QString&); +}; + +QStringList QBlittableGraphicsSystemPlugin::keys() const +{ + QStringList list; + list << QLatin1String("Blittable"); + return list; +} + +QGraphicsSystem* QBlittableGraphicsSystemPlugin::create(const QString& system) +{ + if (system.toLower() == QLatin1String("blittable")) { + return new QBlittableGraphicsSystem; + } + + return 0; +} + +Q_EXPORT_PLUGIN2(blittable, QBlittableGraphicsSystemPlugin) + +QT_END_NAMESPACE diff --git a/src/plugins/graphicssystems/blittable/qblittable_image.h b/src/plugins/graphicssystems/blittable/qblittable_image.h new file mode 100644 index 0000000..3f8dc69 --- /dev/null +++ b/src/plugins/graphicssystems/blittable/qblittable_image.h @@ -0,0 +1,48 @@ +#include <qimage.h> + +#include <private/qblittable_p.h> + + +class QImageBlittable : public QBlittable +{ +public: + QImageBlittable(QImage *image, bool deleteImage) + : QBlittable(image->size(), QBlittable::Capabilities(QBlittable::SolidRectCapability + |QBlittable::SourcePixmapCapability + |QBlittable::SourceOverPixmapCapability + |QBlittable::SourceOverScaledPixmapCapability)), + m_image(image), m_deleteImage(deleteImage) + { + + } + + ~QImageBlittable() { + if (m_deleteImage) + delete m_image; + } + + void fillRect(const QRectF &rect, const QColor &color) + { + QPainter p(lock()); + p.fillRect(rect,color); + } + void drawPixmap(const QRectF &rect, const QPixmap &pixmap, const QRectF &source) + { + //here it is possible to do a pixmap.pixmapData()->buffer() + //but is like this to show how to get the the blitter + QPixmapData *data = pixmap.pixmapData(); + Q_ASSERT(data->width() && data->height()); + Q_ASSERT(data->classId() == QPixmapData::BlitterClass); + QBlittablePixmapData *blittableData = static_cast<QBlittablePixmapData*>(data); + + QPainter p(lock()); + p.drawImage(rect, *blittableData->blittable()->lock(),source); + } + +protected: + QImage *doLock() { return m_image; } + void doUnlock() { } +private: + QImage *m_image; + bool m_deleteImage; +}; diff --git a/src/plugins/graphicssystems/blittable/qgraphicssystem_blittable.h b/src/plugins/graphicssystems/blittable/qgraphicssystem_blittable.h new file mode 100644 index 0000000..d45907f --- /dev/null +++ b/src/plugins/graphicssystems/blittable/qgraphicssystem_blittable.h @@ -0,0 +1,53 @@ +#include <private/qgraphicssystem_p.h> +#include <private/qblittable_p.h> +#include <private/qpixmap_blitter_p.h> +#include <private/qpixmap_raster_p.h> +#include <private/qwindowsurface_rasterblittable_p.h> + +#include "qblittable_image.h" + +class QImageBlittableWindowSurface : public QRasterBlittableWindowSurface +{ +public: + QImageBlittableWindowSurface(QWidget *widget) + : QRasterBlittableWindowSurface(widget) + {} + + QBlittable *createBlittable(QImage *rasterSurface) + { + return new QImageBlittable(rasterSurface,false); + } + +}; + +class QBlittableGraphicsSystem : public QGraphicsSystem +{ +public: + ~QBlittableGraphicsSystem() { } + + QPixmapData *createPixmapData(QPixmapData::PixelType type) const + { + if (type == QPixmapData::PixmapType) + return new QBlittablePixmapData(type); + else + return new QRasterPixmapData(type); + } + + QWindowSurface *createWindowSurface(QWidget *widget) const + { + return new QImageBlittableWindowSurface(widget); + } + + QBlittable *createBlittable(const QSize &size) const + { + QImage *image = new QImage(size, QImage::Format_ARGB32_Premultiplied); + return new QImageBlittable(image,true); + } + + QList<QGraphicsSystemScreen *> screens() + { return m_screens; } + + QList<QGraphicsSystemScreen *> m_screens; +}; + + |