141 lines
4.5 KiB
C++
141 lines
4.5 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the plugins of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** 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 https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://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 3 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL3 included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 3 requirements
|
|
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 2.0 or (at your option) the GNU General
|
|
** Public license version 3 or any later version approved by the KDE Free
|
|
** Qt Foundation. The licenses are as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
|
|
** https://www.gnu.org/licenses/gpl-3.0.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "qwindowsdirect2dbackingstore.h"
|
|
#include "qwindowsdirect2dplatformpixmap.h"
|
|
#include "qwindowsdirect2dintegration.h"
|
|
#include "qwindowsdirect2dcontext.h"
|
|
#include "qwindowsdirect2dpaintdevice.h"
|
|
#include "qwindowsdirect2dbitmap.h"
|
|
#include "qwindowsdirect2ddevicecontext.h"
|
|
#include "qwindowsdirect2dwindow.h"
|
|
|
|
#include "qwindowscontext.h"
|
|
|
|
#include <QtGui/qpainter.h>
|
|
#include <QtGui/qwindow.h>
|
|
#include <QtCore/qdebug.h>
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
/*!
|
|
\class QWindowsDirect2DBackingStore
|
|
\brief Backing store for windows.
|
|
\internal
|
|
\ingroup qt-lighthouse-win
|
|
*/
|
|
|
|
static inline QWindowsDirect2DPlatformPixmap *platformPixmap(QPixmap *p)
|
|
{
|
|
return static_cast<QWindowsDirect2DPlatformPixmap *>(p->handle());
|
|
}
|
|
|
|
static inline QWindowsDirect2DBitmap *bitmap(QPixmap *p)
|
|
{
|
|
return platformPixmap(p)->bitmap();
|
|
}
|
|
|
|
static inline QWindowsDirect2DWindow *nativeWindow(QWindow *window)
|
|
{
|
|
return static_cast<QWindowsDirect2DWindow *>(window->handle());
|
|
}
|
|
|
|
QWindowsDirect2DBackingStore::QWindowsDirect2DBackingStore(QWindow *window)
|
|
: QPlatformBackingStore(window)
|
|
{
|
|
}
|
|
|
|
QWindowsDirect2DBackingStore::~QWindowsDirect2DBackingStore()
|
|
{
|
|
}
|
|
|
|
void QWindowsDirect2DBackingStore::beginPaint(const QRegion ®ion)
|
|
{
|
|
QPixmap *pixmap = nativeWindow(window())->pixmap();
|
|
bitmap(pixmap)->deviceContext()->begin();
|
|
|
|
QPainter painter(pixmap);
|
|
QColor clear(Qt::transparent);
|
|
|
|
painter.setCompositionMode(QPainter::CompositionMode_Source);
|
|
|
|
for (const QRect &r : region)
|
|
painter.fillRect(r, clear);
|
|
}
|
|
|
|
void QWindowsDirect2DBackingStore::endPaint()
|
|
{
|
|
bitmap(nativeWindow(window())->pixmap())->deviceContext()->end();
|
|
}
|
|
|
|
QPaintDevice *QWindowsDirect2DBackingStore::paintDevice()
|
|
{
|
|
return nativeWindow(window())->pixmap();
|
|
}
|
|
|
|
void QWindowsDirect2DBackingStore::flush(QWindow *targetWindow, const QRegion ®ion, const QPoint &offset)
|
|
{
|
|
if (targetWindow != window()) {
|
|
QSharedPointer<QWindowsDirect2DBitmap> copy(nativeWindow(window())->copyBackBuffer());
|
|
nativeWindow(targetWindow)->flush(copy.data(), region, offset);
|
|
}
|
|
|
|
nativeWindow(targetWindow)->present(region);
|
|
}
|
|
|
|
void QWindowsDirect2DBackingStore::resize(const QSize &size, const QRegion ®ion)
|
|
{
|
|
QPixmap old = nativeWindow(window())->pixmap()->copy();
|
|
|
|
nativeWindow(window())->resizeSwapChain(size);
|
|
QPixmap *newPixmap = nativeWindow(window())->pixmap();
|
|
|
|
if (!old.isNull()) {
|
|
for (const QRect &rect : region)
|
|
platformPixmap(newPixmap)->copy(old.handle(), rect);
|
|
}
|
|
}
|
|
|
|
QImage QWindowsDirect2DBackingStore::toImage() const
|
|
{
|
|
return nativeWindow(window())->pixmap()->toImage();
|
|
}
|
|
|
|
QT_END_NAMESPACE
|