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 QtGui module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | ** accordance with the commercial license agreement provided with the |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and Digia. For licensing terms and |
14 | ** conditions see http://qt.digia.com/licensing. For further information |
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 |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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 |
32 | ** Foundation and appearing in the file LICENSE.GPL included in the |
33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
35 | ** met: http://www.gnu.org/copyleft/gpl.html. |
36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QPAINTENGINE_X11_P_H |
43 | #define QPAINTENGINE_X11_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 purely as an |
50 | // implementation detail. This header file may change from version to |
51 | // version without notice, or even be removed. |
52 | // |
53 | // We mean it. |
54 | // |
55 | |
56 | #include "QtGui/qpaintengine.h" |
57 | #include "QtGui/qregion.h" |
58 | #include "QtGui/qpen.h" |
59 | #include "QtCore/qpoint.h" |
60 | #include "private/qpaintengine_p.h" |
61 | #include "private/qpainter_p.h" |
62 | #include "private/qpolygonclipper_p.h" |
63 | |
64 | typedef unsigned long Picture; |
65 | |
66 | QT_BEGIN_NAMESPACE |
67 | |
68 | class QX11PaintEnginePrivate; |
69 | class QFontEngineFT; |
70 | class QXRenderTessellator; |
71 | |
72 | struct qt_float_point |
73 | { |
74 | qreal x, y; |
75 | }; |
76 | |
77 | class QX11PaintEngine : public QPaintEngine |
78 | { |
79 | Q_DECLARE_PRIVATE(QX11PaintEngine) |
80 | public: |
81 | QX11PaintEngine(); |
82 | ~QX11PaintEngine(); |
83 | |
84 | bool begin(QPaintDevice *pdev); |
85 | bool end(); |
86 | |
87 | void updateState(const QPaintEngineState &state); |
88 | |
89 | void updatePen(const QPen &pen); |
90 | void updateBrush(const QBrush &brush, const QPointF &pt); |
91 | void updateRenderHints(QPainter::RenderHints hints); |
92 | void updateFont(const QFont &font); |
93 | void updateMatrix(const QTransform &matrix); |
94 | void updateClipRegion_dev(const QRegion ®ion, Qt::ClipOperation op); |
95 | |
96 | void drawLines(const QLine *lines, int lineCount); |
97 | void drawLines(const QLineF *lines, int lineCount); |
98 | |
99 | void drawRects(const QRect *rects, int rectCount); |
100 | void drawRects(const QRectF *rects, int rectCount); |
101 | |
102 | void drawPoints(const QPoint *points, int pointCount); |
103 | void drawPoints(const QPointF *points, int pointCount); |
104 | |
105 | void drawEllipse(const QRect &r); |
106 | void drawEllipse(const QRectF &r); |
107 | |
108 | virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode); |
109 | inline void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) |
110 | { QPaintEngine::drawPolygon(points, pointCount, mode); } |
111 | |
112 | void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr); |
113 | void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s); |
114 | void drawPath(const QPainterPath &path); |
115 | void drawTextItem(const QPointF &p, const QTextItem &textItem); |
116 | void drawImage(const QRectF &r, const QImage &img, const QRectF &sr, |
117 | Qt::ImageConversionFlags flags = Qt::AutoColor); |
118 | |
119 | virtual Qt::HANDLE handle() const; |
120 | inline Type type() const { return QPaintEngine::X11; } |
121 | |
122 | QPainter::RenderHints supportedRenderHints() const; |
123 | |
124 | protected: |
125 | QX11PaintEngine(QX11PaintEnginePrivate &dptr); |
126 | |
127 | void drawXLFD(const QPointF &p, const QTextItemInt &si); |
128 | #ifndef QT_NO_FONTCONFIG |
129 | void drawFreetype(const QPointF &p, const QTextItemInt &si); |
130 | #endif |
131 | |
132 | friend class QPixmap; |
133 | friend class QFontEngineBox; |
134 | friend Q_GUI_EXPORT GC qt_x11_get_pen_gc(QPainter *); |
135 | friend Q_GUI_EXPORT GC qt_x11_get_brush_gc(QPainter *); |
136 | |
137 | private: |
138 | Q_DISABLE_COPY(QX11PaintEngine) |
139 | }; |
140 | |
141 | class QX11PaintEnginePrivate : public QPaintEnginePrivate |
142 | { |
143 | Q_DECLARE_PUBLIC(QX11PaintEngine) |
144 | public: |
145 | QX11PaintEnginePrivate() |
146 | { |
147 | scrn = -1; |
148 | hd = 0; |
149 | picture = 0; |
150 | gc = gc_brush = 0; |
151 | dpy = 0; |
152 | xinfo = 0; |
153 | txop = QTransform::TxNone; |
154 | has_clipping = false; |
155 | render_hints = 0; |
156 | xform_scale = 1; |
157 | #ifndef QT_NO_XRENDER |
158 | tessellator = 0; |
159 | #endif |
160 | } |
161 | enum GCMode { |
162 | PenGC, |
163 | BrushGC |
164 | }; |
165 | |
166 | void init(); |
167 | void fillPolygon_translated(const QPointF *points, int pointCount, GCMode gcMode, |
168 | QPaintEngine::PolygonDrawMode mode); |
169 | void fillPolygon_dev(const QPointF *points, int pointCount, GCMode gcMode, |
170 | QPaintEngine::PolygonDrawMode mode); |
171 | void fillPath(const QPainterPath &path, GCMode gcmode, bool transform); |
172 | void strokePolygon_dev(const QPointF *points, int pointCount, bool close); |
173 | void strokePolygon_translated(const QPointF *points, int pointCount, bool close); |
174 | void setupAdaptedOrigin(const QPoint &p); |
175 | void resetAdaptedOrigin(); |
176 | void decidePathFallback() { |
177 | use_path_fallback = has_alpha_brush |
178 | || has_alpha_pen |
179 | || has_custom_pen |
180 | || has_complex_xform |
181 | || (render_hints & QPainter::Antialiasing); |
182 | } |
183 | void decideCoordAdjust() { |
184 | adjust_coords = !(render_hints & QPainter::Antialiasing) |
185 | && (has_alpha_pen |
186 | || (has_alpha_brush && has_pen && !has_alpha_pen) |
187 | || (cpen.style() > Qt::SolidLine)); |
188 | } |
189 | void clipPolygon_dev(const QPolygonF &poly, QPolygonF *clipped_poly); |
190 | void systemStateChanged(); |
191 | |
192 | Display *dpy; |
193 | int scrn; |
194 | int pdev_depth; |
195 | Qt::HANDLE hd; |
196 | QPixmap brush_pm; |
197 | #if !defined (QT_NO_XRENDER) |
198 | Qt::HANDLE picture; |
199 | Qt::HANDLE current_brush; |
200 | QPixmap bitmap_texture; |
201 | int composition_mode; |
202 | #else |
203 | Qt::HANDLE picture; |
204 | #endif |
205 | GC gc; |
206 | GC gc_brush; |
207 | |
208 | QPen cpen; |
209 | QBrush cbrush; |
210 | QRegion crgn; |
211 | QTransform matrix; |
212 | qreal opacity; |
213 | |
214 | uint has_complex_xform : 1; |
215 | uint has_scaling_xform : 1; |
216 | uint has_non_scaling_xform : 1; |
217 | uint has_custom_pen : 1; |
218 | uint use_path_fallback : 1; |
219 | uint adjust_coords : 1; |
220 | uint has_clipping : 1; |
221 | uint adapted_brush_origin : 1; |
222 | uint adapted_pen_origin : 1; |
223 | uint has_pen : 1; |
224 | uint has_brush : 1; |
225 | uint has_texture : 1; |
226 | uint has_alpha_texture : 1; |
227 | uint has_pattern : 1; |
228 | uint has_alpha_pen : 1; |
229 | uint has_alpha_brush : 1; |
230 | uint render_hints; |
231 | |
232 | const QX11Info *xinfo; |
233 | QPointF bg_origin; |
234 | QTransform::TransformationType txop; |
235 | qreal xform_scale; |
236 | QPolygonClipper<qt_float_point, qt_float_point, float> polygonClipper; |
237 | |
238 | int xlibMaxLinePoints; |
239 | #ifndef QT_NO_XRENDER |
240 | QXRenderTessellator *tessellator; |
241 | #endif |
242 | }; |
243 | |
244 | QT_END_NAMESPACE |
245 | |
246 | #endif // QPAINTENGINE_X11_P_H |
247 | |