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| |
| #ifndef QBLITTABLE_P_H |
| #define QBLITTABLE_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 <QtGui/private/qtguiglobal_p.h> |
| #include <QtCore/qsize.h> |
| #include <QtGui/private/qpixmap_blitter_p.h> |
| |
| |
| #ifndef QT_NO_BLITTABLE |
| QT_BEGIN_NAMESPACE |
| |
| class QImage; |
| class QBlittablePrivate; |
| |
| class Q_GUI_EXPORT QBlittable |
| { |
| Q_DECLARE_PRIVATE(QBlittable) |
| public: |
| enum Capability { |
| |
| SolidRectCapability = 0x0001, |
| SourcePixmapCapability = 0x0002, |
| SourceOverPixmapCapability = 0x0004, |
| SourceOverScaledPixmapCapability = 0x0008, |
| AlphaFillRectCapability = 0x0010, |
| OpacityPixmapCapability = 0x0020, |
| DrawScaledCachedGlyphsCapability = 0x0040, |
| SubPixelGlyphsCapability = 0x0080, |
| ComplexClipCapability = 0x0100, |
| |
| // Internal ones |
| OutlineCapability = 0x0001000 |
| }; |
| Q_DECLARE_FLAGS (Capabilities, Capability) |
| |
| QBlittable(const QSize &size, Capabilities caps); |
| virtual ~QBlittable(); |
| |
| Capabilities capabilities() const; |
| QSize size() const; |
| |
| virtual void fillRect(const QRectF &rect, const QColor &color) = 0; |
| virtual void drawPixmap(const QRectF &rect, const QPixmap &pixmap, const QRectF &subrect) = 0; |
| virtual void alphaFillRect(const QRectF &rect, const QColor &color, QPainter::CompositionMode cmode) { |
| Q_UNUSED(rect); |
| Q_UNUSED(color); |
| Q_UNUSED(cmode); |
| qWarning("Please implement alphaFillRect function in your platform or remove AlphaFillRectCapability from it"); |
| } |
| virtual void drawPixmapOpacity(const QRectF &rect, const QPixmap &pixmap, const QRectF &subrect, QPainter::CompositionMode cmode, qreal opacity) { |
| Q_UNUSED(rect); |
| Q_UNUSED(pixmap); |
| Q_UNUSED(subrect); |
| Q_UNUSED(cmode); |
| Q_UNUSED(opacity); |
| qWarning("Please implement drawPixmapOpacity function in your platform or remove OpacityPixmapCapability from it"); |
| } |
| virtual bool drawCachedGlyphs(const QPaintEngineState *state, QFontEngine::GlyphFormat glyphFormat, int numGlyphs, const glyph_t *glyphs, const QFixedPoint *positions, QFontEngine *fontEngine) { |
| Q_UNUSED(state); |
| Q_UNUSED(glyphFormat); |
| Q_UNUSED(numGlyphs); |
| Q_UNUSED(glyphs); |
| Q_UNUSED(positions); |
| Q_UNUSED(fontEngine); |
| qWarning("Please implement drawCachedGlyphs function in your platform or remove DrawCachedGlyphsCapability from it"); |
| return true; |
| } |
| |
| |
| QImage *lock(); |
| void unlock(); |
| |
| bool isLocked() const; |
| |
| protected: |
| virtual QImage *doLock() = 0; |
| virtual void doUnlock() = 0; |
| QBlittablePrivate *d_ptr; |
| }; |
| |
| QT_END_NAMESPACE |
| #endif //QT_NO_BLITTABLE |
| #endif //QBLITTABLE_P_H |