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39
40#ifndef QPIXMAP_RASTER_P_H
41#define QPIXMAP_RASTER_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtGui/private/qtguiglobal_p.h>
55#include <qpa/qplatformpixmap.h>
56
57
58QT_BEGIN_NAMESPACE
59
60class Q_GUI_EXPORT QRasterPlatformPixmap : public QPlatformPixmap
61{
62public:
63 QRasterPlatformPixmap(PixelType type);
64 ~QRasterPlatformPixmap();
65
66 QPlatformPixmap *createCompatiblePlatformPixmap() const override;
67
68 void resize(int width, int height) override;
69 bool fromData(const uchar *buffer, uint len, const char *format, Qt::ImageConversionFlags flags) override;
70 void fromImage(const QImage &image, Qt::ImageConversionFlags flags) override;
71 void fromImageInPlace(QImage &image, Qt::ImageConversionFlags flags) override;
72 void fromImageReader(QImageReader *imageReader, Qt::ImageConversionFlags flags) override;
73
74 void copy(const QPlatformPixmap *data, const QRect &rect) override;
75 bool scroll(int dx, int dy, const QRect &rect) override;
76 void fill(const QColor &color) override;
77 bool hasAlphaChannel() const override;
78 QImage toImage() const override;
79 QImage toImage(const QRect &rect) const override;
80 QPaintEngine* paintEngine() const override;
81 QImage* buffer() override;
82 qreal devicePixelRatio() const override;
83 void setDevicePixelRatio(qreal scaleFactor) override;
84
85
86protected:
87 int metric(QPaintDevice::PaintDeviceMetric metric) const override;
88 void createPixmapForImage(QImage sourceImage, Qt::ImageConversionFlags flags);
89 void setImage(const QImage &image);
90 QImage image;
91 static QImage::Format systemNativeFormat();
92
93private:
94 friend class QPixmap;
95 friend class QBitmap;
96 friend class QPixmapCacheEntry;
97 friend class QRasterPaintEngine;
98};
99
100QT_END_NAMESPACE
101
102#endif // QPIXMAP_RASTER_P_H
103
104
105

source code of qtbase/src/gui/image/qpixmap_raster_p.h