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Diffstat (limited to 'src/gui/image/qpixmap_blitter_p.h')
| -rw-r--r-- | src/gui/image/qpixmap_blitter_p.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/gui/image/qpixmap_blitter_p.h b/src/gui/image/qpixmap_blitter_p.h new file mode 100644 index 0000000000..9f4260c40d --- /dev/null +++ b/src/gui/image/qpixmap_blitter_p.h @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPIXMAP_BLITTER_P_H +#define QPIXMAP_BLITTER_P_H + +#include <private/qpixmapdata_p.h> +#include <private/qpaintengine_blitter_p.h> + +#ifndef QT_NO_BLITTABLE +QT_BEGIN_NAMESPACE + +class Q_GUI_EXPORT QBlittablePixmapData : public QPixmapData +{ +// Q_DECLARE_PRIVATE(QBlittablePixmapData); +public: + QBlittablePixmapData(); + ~QBlittablePixmapData(); + + virtual QBlittable *createBlittable(const QSize &size) const = 0; + QBlittable *blittable() const; + void setBlittable(QBlittable *blittable); + + void resize(int width, int height); + int metric(QPaintDevice::PaintDeviceMetric metric) const; + void fill(const QColor &color); + QImage *buffer(); + QImage toImage() const; + bool hasAlphaChannel() const; + void fromImage(const QImage &image, Qt::ImageConversionFlags flags); + + QPaintEngine *paintEngine() const; + + void markRasterOverlay(const QRectF &); + void markRasterOverlay(const QPointF &, const QTextItem &); + void markRasterOverlay(const QVectorPath &); + void markRasterOverlay(const QRect *rects, int rectCount); + void markRasterOverlay(const QRectF *rects, int rectCount); + void unmarkRasterOverlay(const QRectF &); + +#ifdef QT_BLITTER_RASTEROVERLAY + void mergeOverlay(); + void unmergeOverlay(); + QImage *overlay(); + +#endif //QT_BLITTER_RASTEROVERLAY +protected: + QBlitterPaintEngine *m_engine; + QBlittable *m_blittable; + +#ifdef QT_BLITTER_RASTEROVERLAY + QImage *m_rasterOverlay; + QImage *m_unmergedCopy; + QColor m_overlayColor; + + void markRasterOverlayImpl(const QRectF &); + void unmarkRasterOverlayImpl(const QRectF &); + QRectF clipAndTransformRect(const QRectF &) const; +#endif //QT_BLITTER_RASTEROVERLAY + +}; + +inline void QBlittablePixmapData::markRasterOverlay(const QRectF &rect) +{ +#ifdef QT_BLITTER_RASTEROVERLAY + markRasterOverlayImpl(rect); +#else + Q_UNUSED(rect) +#endif +} + +inline void QBlittablePixmapData::markRasterOverlay(const QVectorPath &path) +{ +#ifdef QT_BLITTER_RASTEROVERLAY + markRasterOverlayImpl(path.convertToPainterPath().boundingRect()); +#else + Q_UNUSED(path) +#endif +} + +inline void QBlittablePixmapData::markRasterOverlay(const QPointF &pos, const QTextItem &ti) +{ +#ifdef QT_BLITTER_RASTEROVERLAY + QFontMetricsF fm(ti.font()); + QRectF rect = fm.tightBoundingRect(ti.text()); + rect.moveBottomLeft(pos); + markRasterOverlay(rect); +#else + Q_UNUSED(pos) + Q_UNUSED(ti) +#endif +} + +inline void QBlittablePixmapData::markRasterOverlay(const QRect *rects, int rectCount) +{ +#ifdef QT_BLITTER_RASTEROVERLAY + for (int i = 0; i < rectCount; i++) { + markRasterOverlay(rects[i]); + } +#else + Q_UNUSED(rects) + Q_UNUSED(rectCount) +#endif +} +inline void QBlittablePixmapData::markRasterOverlay(const QRectF *rects, int rectCount) +{ +#ifdef QT_BLITTER_RASTEROVERLAY + for (int i = 0; i < rectCount; i++) { + markRasterOverlay(rects[i]); + } +#else + Q_UNUSED(rects) + Q_UNUSED(rectCount) +#endif +} + +inline void QBlittablePixmapData::unmarkRasterOverlay(const QRectF &rect) +{ +#ifdef QT_BLITTER_RASTEROVERLAY + unmarkRasterOverlayImpl(rect); +#else + Q_UNUSED(rect) +#endif +} + +QT_END_NAMESPACE +#endif // QT_NO_BLITTABLE +#endif // QPIXMAP_BLITTER_P_H |