summaryrefslogtreecommitdiffstats
path: root/src/gui/painting/qpaintengine_blitter_p.h
blob: 1a2ad9efaa8be64b12894d89a0b019462c6f457e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
#ifndef QPAINTENGINE_BLITTER_P_H
#define QPAINTENGINE_BLITTER_P_H

#include "private/qpaintengineex_p.h"
#include "private/qpaintengine_raster_p.h"

#ifndef QT_NO_BLITTABLE

class QBlittablePrivate;
class QBlitterPaintEnginePrivate;
class QBlittablePixmapData;

class Q_GUI_EXPORT QBlittable
{
    Q_DECLARE_PRIVATE(QBlittable);
public:
    enum Capability {

        SolidRectCapability             = 0x0001,
        SourcePixmapCapability          = 0x0002,
        SourceOverPixmapCapability      = 0x0004,
        SourceOverScaledPixmapCapability = 0x0008,

        // Internal ones
        OutlineCapability               = 0x0001000,
    };
    Q_DECLARE_FLAGS (Capabilities, Capability);

    QBlittable(const QRect &rect, Capabilities caps);
    virtual ~QBlittable();

    Capabilities capabilities() const;
    QRect rect() const;

    virtual void fillRect(const QRectF &rect, const QColor &color) = 0;
    virtual void drawPixmap(const QRectF &rect, const QPixmap &pixmap, const QRectF &subrect) = 0;

    QImage *lock();
    void unlock();

protected:
    virtual QImage *doLock() = 0;
    virtual void doUnlock() = 0;
    QBlittablePrivate *d_ptr;
};


class Q_GUI_EXPORT QBlitterPaintEngine : public QPaintEngineEx
{
    Q_DECLARE_PRIVATE(QBlitterPaintEngine);
public:
    QBlitterPaintEngine(QBlittablePixmapData *p);
    ~QBlitterPaintEngine();

    virtual QPainterState *createState(QPainterState *orig) const;

    virtual QPaintEngine::Type type() const { return Blitter; }

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

    virtual void fill(const QVectorPath &path, const QBrush &brush);
    virtual void stroke(const QVectorPath &path, const QPen &pen);

    virtual void clip(const QVectorPath &path, Qt::ClipOperation op);
    virtual void clip(const QRect &rect, Qt::ClipOperation op);
    virtual void clip(const QRegion &region, Qt::ClipOperation op);

    virtual void clipEnabledChanged();
    virtual void penChanged();
    virtual void brushChanged();
    virtual void brushOriginChanged();
    virtual void opacityChanged();
    virtual void compositionModeChanged();
    virtual void renderHintsChanged();
    virtual void transformChanged();

    virtual void fillRect(const QRectF &rect, const QBrush &brush);
    virtual void fillRect(const QRectF &rect, const QColor &color);

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

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

    virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags);

    virtual void drawTextItem(const QPointF &pos, const QTextItem &ti);
    virtual void drawStaticTextItem(QStaticTextItem *);

    virtual void drawEllipse(const QRectF &r);

    virtual void setState(QPainterState *s);

    inline QPainterState *state() { return raster()->state(); }
    inline const QPainterState *state() const { const QPainterState *state = raster()->state(); return state;}
    inline const QClipData *clip(){return raster()->d_func()->clip();}

private:
    QRasterPaintEngine *raster() const;

};

#endif //QT_NO_BLITTABLE
#endif // QPAINTENGINE_BLITTER_P_H