q3paintengine_svg_p.h

奇趣公司比较新的qt/emd版本

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#ifndef Q3PAINTENGINE_SVG_P_H
#define Q3PAINTENGINE_SVG_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 "QtXml/qdom.h"
#include "QtGui/qpaintengine.h"
#include "private/qpicture_p.h" // for QPaintCommands

class Q3SVGPaintEnginePrivate;

class Q3SVGPaintEngine : public QPaintEngine
{
    Q_DECLARE_PRIVATE(Q3SVGPaintEngine)

public:
    Q3SVGPaintEngine();
    ~Q3SVGPaintEngine();

    bool begin(QPaintDevice *pdev);
    bool end();

    void updateState(const QPaintEngineState &state);

    void updatePen(const QPen &pen);
    void updateBrush(const QBrush &brush, const QPointF &origin);
    void updateFont(const QFont &font);
    void updateBackground(Qt::BGMode bgmode, const QBrush &bgBrush);
    void updateMatrix(const QMatrix &matrix);
    void updateClipRegion(const QRegion &region, Qt::ClipOperation op);
    void updateClipPath(const QPainterPath &path, Qt::ClipOperation op);
    void updateRenderHints(QPainter::RenderHints hints);

    void drawEllipse(const QRect &r);
    void drawLine(const QLineF &line);
    void drawLines(const QLineF *lines, int lineCount);
    void drawRect(const QRectF &r);
    void drawPoint(const QPointF &p);
    void drawPoints(const QPointF *points, int pointCount);
    void drawPath(const QPainterPath &path);
    void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
    void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);

    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
    void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
    void drawTextItem(const QPointF &p, const QTextItem &ti);
    void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr,
                   Qt::ImageConversionFlags flags = Qt::AutoColor);

#if defined Q_WS_WIN // ### not liking this!!
    HDC handle() const { return 0; }
#else
    Qt::HANDLE handle() const {return 0; }
#endif
    Type type() const { return SVG; }
    bool play(QPainter *p);

    QString toString() const;

    bool load(QIODevice *dev);
    bool save(QIODevice *dev);
    bool save(const QString &fileName);

    QRect boundingRect() const;
    void setBoundingRect(const QRect &r);

protected:
    Q3SVGPaintEngine(Q3SVGPaintEnginePrivate &dptr);

private:
    Q_DISABLE_COPY(Q3SVGPaintEngine)
};

#endif // Q3PAINTENGINE_SVG_P_H