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39 | |
40 | #ifndef QPAINTENGINEEX_P_H |
41 | #define QPAINTENGINEEX_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <QtGui/private/qtguiglobal_p.h> |
55 | #include <QtGui/qpaintengine.h> |
56 | |
57 | #include <private/qpaintengine_p.h> |
58 | #include <private/qstroker_p.h> |
59 | #include <private/qpainter_p.h> |
60 | #include <private/qvectorpath_p.h> |
61 | |
62 | |
63 | QT_BEGIN_NAMESPACE |
64 | |
65 | |
66 | class QPainterState; |
67 | class QPaintEngineExPrivate; |
68 | class QStaticTextItem; |
69 | struct StrokeHandler; |
70 | |
71 | #ifndef QT_NO_DEBUG_STREAM |
72 | QDebug Q_GUI_EXPORT &operator<<(QDebug &, const QVectorPath &path); |
73 | #endif |
74 | |
75 | class Q_GUI_EXPORT QPaintEngineEx : public QPaintEngine |
76 | { |
77 | Q_DECLARE_PRIVATE(QPaintEngineEx) |
78 | public: |
79 | QPaintEngineEx(); |
80 | |
81 | virtual QPainterState *createState(QPainterState *orig) const; |
82 | |
83 | virtual void draw(const QVectorPath &path); |
84 | virtual void fill(const QVectorPath &path, const QBrush &brush) = 0; |
85 | virtual void stroke(const QVectorPath &path, const QPen &pen); |
86 | |
87 | virtual void clip(const QVectorPath &path, Qt::ClipOperation op) = 0; |
88 | virtual void clip(const QRect &rect, Qt::ClipOperation op); |
89 | virtual void clip(const QRegion ®ion, Qt::ClipOperation op); |
90 | virtual void clip(const QPainterPath &path, Qt::ClipOperation op); |
91 | |
92 | virtual void clipEnabledChanged() = 0; |
93 | virtual void penChanged() = 0; |
94 | virtual void brushChanged() = 0; |
95 | virtual void brushOriginChanged() = 0; |
96 | virtual void opacityChanged() = 0; |
97 | virtual void compositionModeChanged() = 0; |
98 | virtual void renderHintsChanged() = 0; |
99 | virtual void transformChanged() = 0; |
100 | |
101 | virtual void fillRect(const QRectF &rect, const QBrush &brush); |
102 | virtual void fillRect(const QRectF &rect, const QColor &color); |
103 | |
104 | virtual void drawRoundedRect(const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode); |
105 | |
106 | virtual void drawRects(const QRect *rects, int rectCount) override; |
107 | virtual void drawRects(const QRectF *rects, int rectCount) override; |
108 | |
109 | virtual void drawLines(const QLine *lines, int lineCount) override; |
110 | virtual void drawLines(const QLineF *lines, int lineCount) override; |
111 | |
112 | virtual void drawEllipse(const QRectF &r) override; |
113 | virtual void drawEllipse(const QRect &r) override; |
114 | |
115 | virtual void drawPath(const QPainterPath &path) override; |
116 | |
117 | virtual void drawPoints(const QPointF *points, int pointCount) override; |
118 | virtual void drawPoints(const QPoint *points, int pointCount) override; |
119 | |
120 | virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) override; |
121 | virtual void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) override; |
122 | |
123 | virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override = 0; |
124 | virtual void drawPixmap(const QPointF &pos, const QPixmap &pm); |
125 | |
126 | virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, |
127 | Qt::ImageConversionFlags flags = Qt::AutoColor) override = 0; |
128 | virtual void drawImage(const QPointF &pos, const QImage &image); |
129 | |
130 | virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override; |
131 | |
132 | virtual void drawPixmapFragments(const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap, |
133 | QFlags<QPainter::PixmapFragmentHint> hints); |
134 | |
135 | virtual void updateState(const QPaintEngineState &state) override; |
136 | |
137 | virtual void drawStaticTextItem(QStaticTextItem *); |
138 | |
139 | virtual void setState(QPainterState *s); |
140 | inline QPainterState *state() { return static_cast<QPainterState *>(QPaintEngine::state); } |
141 | inline const QPainterState *state() const { return static_cast<const QPainterState *>(QPaintEngine::state); } |
142 | |
143 | virtual void sync() {} |
144 | |
145 | virtual void beginNativePainting() {} |
146 | virtual void endNativePainting() {} |
147 | |
148 | // These flags are needed in the implementation of paint buffers. |
149 | enum Flags |
150 | { |
151 | DoNotEmulate = 0x01, // If set, QPainter will not wrap this engine in an emulation engine. |
152 | IsEmulationEngine = 0x02 // If set, this object is a QEmulationEngine. |
153 | }; |
154 | virtual uint flags() const {return 0;} |
155 | virtual bool requiresPretransformedGlyphPositions(QFontEngine *fontEngine, const QTransform &m) const; |
156 | virtual bool shouldDrawCachedGlyphs(QFontEngine *fontEngine, const QTransform &m) const; |
157 | |
158 | protected: |
159 | QPaintEngineEx(QPaintEngineExPrivate &data); |
160 | }; |
161 | |
162 | class Q_GUI_EXPORT QPaintEngineExPrivate : public QPaintEnginePrivate |
163 | { |
164 | Q_DECLARE_PUBLIC(QPaintEngineEx) |
165 | public: |
166 | QPaintEngineExPrivate(); |
167 | ~QPaintEngineExPrivate(); |
168 | |
169 | void replayClipOperations(); |
170 | bool hasClipOperations() const; |
171 | |
172 | QStroker stroker; |
173 | QDashStroker dasher; |
174 | StrokeHandler *strokeHandler; |
175 | QStrokerOps *activeStroker; |
176 | QPen strokerPen; |
177 | |
178 | QRect exDeviceRect; |
179 | }; |
180 | |
181 | QT_END_NAMESPACE |
182 | |
183 | #endif |
184 | |