qpaintengine_d3d_p.h

奇趣公司比较新的qt/emd版本

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#ifndef QPAINTENGINE_D3D_P_H
#define QPAINTENGINE_D3D_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "QtGui/qpaintengine.h"
#include <d3d9.h>

class QDirect3DPaintEnginePrivate;
class QDirect3DPaintEngine : public QPaintEngine
{
    Q_DECLARE_PRIVATE(QDirect3DPaintEngine)
public:
    QDirect3DPaintEngine();
    ~QDirect3DPaintEngine();
    bool begin(QPaintDevice *device);

    void drawEllipse(const QRectF &rect);
    void drawEllipse(const QRect &rect);

    void drawImage(const QRectF &rectangle, const QImage &image, const QRectF &sr,
        Qt::ImageConversionFlags flags = Qt::AutoColor);

    void drawLines(const QLineF *lines, int lineCount);
    void drawLines(const QLine *lines, int lineCount);

    void drawPath(const QPainterPath &path);

    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);

    void drawPoints(const QPointF *points, int pointCount);
    void drawPoints(const QPoint *points, int pointCount);

    void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
    void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);

    void drawRects(const QRectF *rects, int rectCount);
    void drawRects(const QRect * rects, int rectCount);

    void drawTextItem(const QPointF &p, const QTextItem &textItem);

    void drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &sr);

    bool end();

    Type type() const { return Direct3D; }
    void updateState(const QPaintEngineState &state);

    void cleanup();

    HDC getDC() const;
    void setFlushOnEnd(bool flushOnEnd);
    bool hasDirect3DSupport();

public:
    void scroll(QPaintDevice *pd, const RECT &srcrect, const RECT &destrect);
    LPDIRECT3DSWAPCHAIN9 swapChain(QPaintDevice *pd);
    void releaseSwapChain(QPaintDevice *pd);

private:
    Q_DISABLE_COPY(QDirect3DPaintEngine)
    friend class QPixmap;
    friend class QD3DGlyphCache;
};

#endif