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Diffstat (limited to 'src/gui/image/qvolatileimage.cpp')
| -rw-r--r-- | src/gui/image/qvolatileimage.cpp | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/src/gui/image/qvolatileimage.cpp b/src/gui/image/qvolatileimage.cpp deleted file mode 100644 index 8122c9cfe8..0000000000 --- a/src/gui/image/qvolatileimage.cpp +++ /dev/null @@ -1,285 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qvolatileimage_p.h" -#include "qvolatileimagedata_p.h" -#include <QtGui/private/qpaintengine_raster_p.h> -#include <QtGui/qplatformpixmap_qpa.h> - -QT_BEGIN_NAMESPACE - -class QVolatileImagePaintEnginePrivate : public QRasterPaintEnginePrivate -{ -public: - QVolatileImagePaintEnginePrivate() { } - QVolatileImage *img; -}; - -class QVolatileImagePaintEngine : public QRasterPaintEngine -{ - Q_DECLARE_PRIVATE(QVolatileImagePaintEngine) - -public: - QVolatileImagePaintEngine(QPaintDevice *device, QVolatileImage *img); - bool begin(QPaintDevice *device); - bool end(); - void drawPixmap(const QPointF &p, const QPixmap &pm); - void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr); -}; - -QVolatileImage::QVolatileImage() - : d(new QVolatileImageData) -{ -} - -QVolatileImage::QVolatileImage(int w, int h, QImage::Format format) - : d(new QVolatileImageData(w, h, format)) -{ -} - -QVolatileImage::QVolatileImage(const QImage &sourceImage) - : d(new QVolatileImageData(sourceImage)) -{ -} - -QVolatileImage::QVolatileImage(void *nativeImage, void *nativeMask) - : d(new QVolatileImageData(nativeImage, nativeMask)) -{ -} - -// Need non-inline, non-autogenerated copy ctor, dtor, op= to keep the -// fwd declared QSharedData working. - -QVolatileImage::QVolatileImage(const QVolatileImage &other) - : d(other.d) -{ -} - -QVolatileImage::~QVolatileImage() -{ -} - -QVolatileImage &QVolatileImage::operator=(const QVolatileImage &rhs) -{ - d = rhs.d; - return *this; -} - -bool QVolatileImage::isNull() const -{ - return d->image.isNull(); -} - -QImage::Format QVolatileImage::format() const -{ - return d->image.format(); -} - -int QVolatileImage::width() const -{ - return d->image.width(); -} - -int QVolatileImage::height() const -{ - return d->image.height(); -} - -int QVolatileImage::bytesPerLine() const -{ - return d->image.bytesPerLine(); -} - -int QVolatileImage::byteCount() const -{ - return d->image.byteCount(); -} - -int QVolatileImage::depth() const -{ - return d->image.depth(); -} - -bool QVolatileImage::hasAlphaChannel() const -{ - return d->image.hasAlphaChannel(); -} - -void QVolatileImage::beginDataAccess() const -{ - d->beginDataAccess(); -} - -void QVolatileImage::endDataAccess(bool readOnly) const -{ - d->endDataAccess(readOnly); -} - -/*! - Access to pixel data via bits() or constBits() should be guarded by - begin/endDataAccess(). - */ -uchar *QVolatileImage::bits() -{ - return d->image.bits(); -} - -const uchar *QVolatileImage::constBits() const -{ - return d->image.constBits(); -} - -bool QVolatileImage::ensureFormat(QImage::Format format) -{ - return d->ensureFormat(format); -} - -/*! - This will always perform a copy of the pixel data. - */ -QImage QVolatileImage::toImage() const -{ - d->beginDataAccess(); - QImage newImage = d->image.copy(); // no sharing allowed - d->endDataAccess(true); - return newImage; -} - -/*! - Returns a reference to the image that is potentially using some native - buffer internally. Access to the image's pixel data should be guarded by - begin/endDataAccess(). Use it when there is a need for QImage APIs not provided - by this class. The returned QImage must never be shared or assigned to. - */ -QImage &QVolatileImage::imageRef() // non-const, in order to cause a detach -{ - d->ensureImage(); - return d->image; -} - -void *QVolatileImage::duplicateNativeImage() const -{ - return d->duplicateNativeImage(); -} - -void QVolatileImage::fill(uint pixelValue) -{ - beginDataAccess(); - imageRef().fill(pixelValue); - endDataAccess(); - d->ensureImage(); -} - -void QVolatileImage::copyFrom(QVolatileImage *source, const QRect &rect) -{ - if (source->isNull()) { - return; - } - QRect r = rect; - if (rect.isNull()) { - r = QRect(0, 0, source->width(), source->height()); - } - source->beginDataAccess(); - QImage &srcImgRef(source->imageRef()); - int srcbpl = srcImgRef.bytesPerLine(); - int srcbpp = srcImgRef.depth() / 8; - const uchar *sptr = srcImgRef.constBits() + r.y() * srcbpl; - beginDataAccess(); - QImage &dstImgRef(imageRef()); - int dstbpl = dstImgRef.bytesPerLine(); - uchar *dptr = dstImgRef.bits(); - for (int y = 0; y < r.height(); ++y) { - qMemCopy(dptr, sptr + r.x() * srcbpp, r.width() * srcbpp); - sptr += srcbpl; - dptr += dstbpl; - } - endDataAccess(); - source->endDataAccess(true); -} - -/*! - To be called from the PlatformPixmap's paintEngine(). - */ -QPaintEngine *QVolatileImage::paintEngine() -{ - if (!d->pengine) { - d->pengine = new QVolatileImagePaintEngine(&imageRef(), this); - } - return d->pengine; -} - -QVolatileImagePaintEngine::QVolatileImagePaintEngine(QPaintDevice *device, - QVolatileImage *img) - : QRasterPaintEngine(*(new QVolatileImagePaintEnginePrivate), device) -{ - Q_D(QVolatileImagePaintEngine); - d->img = img; -} - -bool QVolatileImagePaintEngine::begin(QPaintDevice *device) -{ - Q_D(QVolatileImagePaintEngine); - d->img->beginDataAccess(); - return QRasterPaintEngine::begin(device); -} - -bool QVolatileImagePaintEngine::end() -{ - Q_D(QVolatileImagePaintEngine); - bool ret = QRasterPaintEngine::end(); - d->img->endDataAccess(); - return ret; -} - -// For non-RasterClass pixmaps drawPixmap() would call toImage() which is slow in -// our case. Therefore drawPixmap() is rerouted to drawImage(). - -void QVolatileImagePaintEngine::drawPixmap(const QPointF &p, const QPixmap &pm) -{ - QRasterPaintEngine::drawPixmap(p, pm); -} - -void QVolatileImagePaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) -{ - QRasterPaintEngine::drawPixmap(r, pm, sr); -} - -QT_END_NAMESPACE |