1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtOpenGL module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
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15 | ** use the contact form at http://qt.digia.com/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
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24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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34 | ** ensure the GNU General Public License version 3.0 requirements will be |
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36 | ** |
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38 | ** $QT_END_LICENSE$ |
39 | ** |
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 | |
58 | QT_BEGIN_NAMESPACE |
59 | |
60 | class QOpenGLPaintEnginePrivate; |
61 | class QGLTexture; |
62 | |
63 | class QOpenGLPaintEngineState : public QPainterState |
64 | { |
65 | public: |
66 | QOpenGLPaintEngineState(QOpenGLPaintEngineState &other); |
67 | QOpenGLPaintEngineState(); |
68 | ~QOpenGLPaintEngineState(); |
69 | |
70 | QRegion clipRegion; |
71 | bool hasClipping; |
72 | QRect fastClip; |
73 | uint depthClipId; |
74 | }; |
75 | |
76 | class QOpenGLPaintEngine : public QPaintEngineEx |
77 | { |
78 | Q_DECLARE_PRIVATE(QOpenGLPaintEngine) |
79 | public: |
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 ®ion, 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 | |
148 | private: |
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 | |
156 | QT_END_NAMESPACE |
157 | |
158 | #endif // QPAINTENGINE_OPENGL_P_H |
159 | |