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40****************************************************************************/
41
42#ifndef QPAINTENGINE_OPENGL_P_H
43#define QPAINTENGINE_OPENGL_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists for the convenience
50// of the QLibrary class. This header file may change from
51// version to version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include <private/qpaintengineex_p.h>
57
58QT_BEGIN_NAMESPACE
59
60class QOpenGLPaintEnginePrivate;
61class QGLTexture;
62
63class QOpenGLPaintEngineState : public QPainterState
64{
65public:
66 QOpenGLPaintEngineState(QOpenGLPaintEngineState &other);
67 QOpenGLPaintEngineState();
68 ~QOpenGLPaintEngineState();
69
70 QRegion clipRegion;
71 bool hasClipping;
72 QRect fastClip;
73 uint depthClipId;
74};
75
76class QOpenGLPaintEngine : public QPaintEngineEx
77{
78 Q_DECLARE_PRIVATE(QOpenGLPaintEngine)
79public:
80 QOpenGLPaintEngine();
81 ~QOpenGLPaintEngine();
82
83 bool begin(QPaintDevice *pdev);
84 bool end();
85
86 // new stuff
87 void clipEnabledChanged();
88 void penChanged();
89 void brushChanged();
90 void brushOriginChanged();
91 void opacityChanged();
92 void compositionModeChanged();
93 void renderHintsChanged();
94 void transformChanged();
95
96 void fill(const QVectorPath &path, const QBrush &brush);
97 void clip(const QVectorPath &path, Qt::ClipOperation op);
98
99 void setState(QPainterState *s);
100 QPainterState *createState(QPainterState *orig) const;
101 inline QOpenGLPaintEngineState *state() {
102 return static_cast<QOpenGLPaintEngineState *>(QPaintEngineEx::state());
103 }
104 inline const QOpenGLPaintEngineState *state() const {
105 return static_cast<const QOpenGLPaintEngineState *>(QPaintEngineEx::state());
106 }
107
108
109 // old stuff
110 void updateState(const QPaintEngineState &state);
111
112 void updatePen(const QPen &pen);
113 void updateBrush(const QBrush &brush, const QPointF &pt);
114 void updateFont(const QFont &font);
115 void updateMatrix(const QTransform &matrix);
116 void updateClipRegion(const QRegion &region, Qt::ClipOperation op);
117 void updateRenderHints(QPainter::RenderHints hints);
118 void updateCompositionMode(QPainter::CompositionMode composition_mode);
119
120 void drawRects(const QRectF *r, int rectCount);
121 void drawLines(const QLineF *lines, int lineCount);
122 void drawPoints(const QPointF *p, int pointCount);
123 void drawRects(const QRect *r, int rectCount);
124 void drawLines(const QLine *lines, int lineCount);
125 void drawPoints(const QPoint *p, int pointCount);
126
127 void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
128
129 void drawPath(const QPainterPath &path);
130 void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
131 void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);
132 void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
133 void drawImage(const QRectF &r, const QImage &image, const QRectF &sr,
134 Qt::ImageConversionFlags conversionFlags);
135 void drawTextItem(const QPointF &p, const QTextItem &ti);
136 void drawStaticTextItem(QStaticTextItem *staticTextItem);
137
138 void drawEllipse(const QRectF &rect);
139
140#ifdef Q_WS_WIN
141 HDC handle() const;
142#else
143 Qt::HANDLE handle() const;
144#endif
145 inline Type type() const { return QPaintEngine::OpenGL; }
146 bool supportsTransformations(qreal, const QTransform &) const { return true; }
147
148private:
149 void drawPolyInternal(const QPolygonF &pa, bool close = true);
150 void drawTextureRect(int tx_width, int tx_height, const QRectF &r, const QRectF &sr,
151 GLenum target, QGLTexture *tex);
152 Q_DISABLE_COPY(QOpenGLPaintEngine)
153};
154
155
156QT_END_NAMESPACE
157
158#endif // QPAINTENGINE_OPENGL_P_H
159