diff options
Diffstat (limited to 'src/platformsupport')
-rw-r--r-- | src/platformsupport/graphics/graphics.pri | 2 | ||||
-rw-r--r-- | src/platformsupport/graphics/qrasterbackingstore.cpp | 104 | ||||
-rw-r--r-- | src/platformsupport/graphics/qrasterbackingstore_p.h | 71 | ||||
-rw-r--r-- | src/platformsupport/platformsupport.pro | 1 |
4 files changed, 178 insertions, 0 deletions
diff --git a/src/platformsupport/graphics/graphics.pri b/src/platformsupport/graphics/graphics.pri new file mode 100644 index 0000000000..43062682aa --- /dev/null +++ b/src/platformsupport/graphics/graphics.pri @@ -0,0 +1,2 @@ +HEADERS += $$PWD/qrasterbackingstore_p.h +SOURCES += $$PWD/qrasterbackingstore.cpp diff --git a/src/platformsupport/graphics/qrasterbackingstore.cpp b/src/platformsupport/graphics/qrasterbackingstore.cpp new file mode 100644 index 0000000000..a64a4cfa40 --- /dev/null +++ b/src/platformsupport/graphics/qrasterbackingstore.cpp @@ -0,0 +1,104 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** 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 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qrasterbackingstore_p.h" + +#include <QtGui/qpainter.h> + +QT_BEGIN_NAMESPACE + +QRasterBackingStore::QRasterBackingStore(QWindow *window) + : QPlatformBackingStore(window) +{ +} + +QRasterBackingStore::~QRasterBackingStore() +{ +} + +void QRasterBackingStore::resize(const QSize &size, const QRegion &staticContents) +{ + Q_UNUSED(staticContents); + + int windowDevicePixelRatio = window()->devicePixelRatio(); + QSize effectiveBufferSize = size * windowDevicePixelRatio; + + if (m_image.size() == effectiveBufferSize) + return; + + QImage::Format format = window()->format().hasAlpha() ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; + m_image = QImage(effectiveBufferSize, format); + m_image.setDevicePixelRatio(windowDevicePixelRatio); + if (format == QImage::Format_ARGB32_Premultiplied) + m_image.fill(Qt::transparent); +} + +QPaintDevice *QRasterBackingStore::paintDevice() +{ + return &m_image; +} + +QImage QRasterBackingStore::toImage() const +{ + return m_image; +} + +bool QRasterBackingStore::scroll(const QRegion ®ion, int dx, int dy) +{ + if (window()->surfaceType() != QSurface::RasterSurface) + return false; + + extern void qt_scrollRectInImage(QImage &, const QRect &, const QPoint &); + + const qreal devicePixelRatio = m_image.devicePixelRatio(); + const QPoint delta(dx * devicePixelRatio, dy * devicePixelRatio); + + foreach (const QRect &rect, region.rects()) + qt_scrollRectInImage(m_image, QRect(rect.topLeft() * devicePixelRatio, rect.size() * devicePixelRatio), delta); + + return true; +} + +void QRasterBackingStore::beginPaint(const QRegion ®ion) +{ + if (!m_image.hasAlphaChannel()) + return; + + QPainter painter(&m_image); + painter.setCompositionMode(QPainter::CompositionMode_Source); + const QColor blank = Qt::transparent; + foreach (const QRect &rect, region.rects()) + painter.fillRect(rect, blank); +} + +QT_END_NAMESPACE diff --git a/src/platformsupport/graphics/qrasterbackingstore_p.h b/src/platformsupport/graphics/qrasterbackingstore_p.h new file mode 100644 index 0000000000..314a6e6e79 --- /dev/null +++ b/src/platformsupport/graphics/qrasterbackingstore_p.h @@ -0,0 +1,71 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** 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 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QRASTERBACKINGSTORE_P_H +#define QRASTERBACKINGSTORE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <qpa/qplatformbackingstore.h> + + +QT_BEGIN_NAMESPACE + +class QRasterBackingStore : public QPlatformBackingStore +{ +public: + QRasterBackingStore(QWindow *window); + ~QRasterBackingStore(); + + QPaintDevice *paintDevice() Q_DECL_OVERRIDE; + QImage toImage() const Q_DECL_OVERRIDE; + void resize (const QSize &size, const QRegion &) Q_DECL_OVERRIDE; + bool scroll(const QRegion &area, int dx, int dy) Q_DECL_OVERRIDE; + void beginPaint(const QRegion ®ion) Q_DECL_OVERRIDE; + +protected: + QImage m_image; +}; + +QT_END_NAMESPACE + +#endif // QRASTERBACKINGSTORE_P_H diff --git a/src/platformsupport/platformsupport.pro b/src/platformsupport/platformsupport.pro index 1ea6d0eb69..81c7faa389 100644 --- a/src/platformsupport/platformsupport.pro +++ b/src/platformsupport/platformsupport.pro @@ -25,5 +25,6 @@ contains(QT_CONFIG, dbus) { include(dbusmenu/dbusmenu.pri) include(dbustray/dbustray.pri) } +ios: include(graphics/graphics.pri) load(qt_module) |