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These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 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); drawPolygon(const QPoint * 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; type()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 { Q_DECLARE_PUBLIC(QX11PaintEngine)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(); decidePathFallback()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 } decideCoordAdjust()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