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Diffstat (limited to 'src/widgets/platforms/x11/qpaintengine_x11_p.h')
| -rw-r--r-- | src/widgets/platforms/x11/qpaintengine_x11_p.h | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/widgets/platforms/x11/qpaintengine_x11_p.h b/src/widgets/platforms/x11/qpaintengine_x11_p.h new file mode 100644 index 0000000000..897c69f122 --- /dev/null +++ b/src/widgets/platforms/x11/qpaintengine_x11_p.h @@ -0,0 +1,246 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPAINTENGINE_X11_P_H +#define QPAINTENGINE_X11_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "QtGui/qpaintengine.h" +#include "QtGui/qregion.h" +#include "QtGui/qpen.h" +#include "QtCore/qpoint.h" +#include "private/qpaintengine_p.h" +#include "private/qpainter_p.h" +#include "private/qpolygonclipper_p.h" + +typedef unsigned long Picture; + +QT_BEGIN_NAMESPACE + +class QX11PaintEnginePrivate; +class QFontEngineFT; +class QXRenderTessellator; + +struct qt_float_point +{ + qreal x, y; +}; + +class QX11PaintEngine : public QPaintEngine +{ + Q_DECLARE_PRIVATE(QX11PaintEngine) +public: + QX11PaintEngine(); + ~QX11PaintEngine(); + + bool begin(QPaintDevice *pdev); + bool end(); + + void updateState(const QPaintEngineState &state); + + void updatePen(const QPen &pen); + void updateBrush(const QBrush &brush, const QPointF &pt); + void updateRenderHints(QPainter::RenderHints hints); + void updateFont(const QFont &font); + void updateMatrix(const QTransform &matrix); + void updateClipRegion_dev(const QRegion ®ion, Qt::ClipOperation op); + + void drawLines(const QLine *lines, int lineCount); + void drawLines(const QLineF *lines, int lineCount); + + void drawRects(const QRect *rects, int rectCount); + void drawRects(const QRectF *rects, int rectCount); + + void drawPoints(const QPoint *points, int pointCount); + void drawPoints(const QPointF *points, int pointCount); + + void drawEllipse(const QRect &r); + void drawEllipse(const QRectF &r); + + virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode); + inline void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) + { QPaintEngine::drawPolygon(points, pointCount, mode); } + + void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr); + void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s); + void drawPath(const QPainterPath &path); + void drawTextItem(const QPointF &p, const QTextItem &textItem); + void drawImage(const QRectF &r, const QImage &img, const QRectF &sr, + Qt::ImageConversionFlags flags = Qt::AutoColor); + + virtual Qt::HANDLE handle() const; + inline Type type() const { return QPaintEngine::X11; } + + QPainter::RenderHints supportedRenderHints() const; + +protected: + QX11PaintEngine(QX11PaintEnginePrivate &dptr); + + void drawXLFD(const QPointF &p, const QTextItemInt &si); +#ifndef QT_NO_FONTCONFIG + void drawFreetype(const QPointF &p, const QTextItemInt &si); +#endif + + friend class QPixmap; + friend class QFontEngineBox; + friend Q_GUI_EXPORT GC qt_x11_get_pen_gc(QPainter *); + friend Q_GUI_EXPORT GC qt_x11_get_brush_gc(QPainter *); + +private: + Q_DISABLE_COPY(QX11PaintEngine) +}; + +class QX11PaintEnginePrivate : public QPaintEnginePrivate +{ + Q_DECLARE_PUBLIC(QX11PaintEngine) +public: + QX11PaintEnginePrivate() + { + scrn = -1; + hd = 0; + picture = 0; + gc = gc_brush = 0; + dpy = 0; + xinfo = 0; + txop = QTransform::TxNone; + has_clipping = false; + render_hints = 0; + xform_scale = 1; +#ifndef QT_NO_XRENDER + tessellator = 0; +#endif + } + enum GCMode { + PenGC, + BrushGC + }; + + void init(); + void fillPolygon_translated(const QPointF *points, int pointCount, GCMode gcMode, + QPaintEngine::PolygonDrawMode mode); + void fillPolygon_dev(const QPointF *points, int pointCount, GCMode gcMode, + QPaintEngine::PolygonDrawMode mode); + void fillPath(const QPainterPath &path, GCMode gcmode, bool transform); + void strokePolygon_dev(const QPointF *points, int pointCount, bool close); + void strokePolygon_translated(const QPointF *points, int pointCount, bool close); + void setupAdaptedOrigin(const QPoint &p); + void resetAdaptedOrigin(); + void decidePathFallback() { + use_path_fallback = has_alpha_brush + || has_alpha_pen + || has_custom_pen + || has_complex_xform + || (render_hints & QPainter::Antialiasing); + } + void decideCoordAdjust() { + adjust_coords = !(render_hints & QPainter::Antialiasing) + && (has_alpha_pen + || (has_alpha_brush && has_pen && !has_alpha_pen) + || (cpen.style() > Qt::SolidLine)); + } + void clipPolygon_dev(const QPolygonF &poly, QPolygonF *clipped_poly); + void systemStateChanged(); + + Display *dpy; + int scrn; + int pdev_depth; + Qt::HANDLE hd; + QPixmap brush_pm; +#if !defined (QT_NO_XRENDER) + Qt::HANDLE picture; + Qt::HANDLE current_brush; + QPixmap bitmap_texture; + int composition_mode; +#else + Qt::HANDLE picture; +#endif + GC gc; + GC gc_brush; + + QPen cpen; + QBrush cbrush; + QRegion crgn; + QTransform matrix; + qreal opacity; + + uint has_complex_xform : 1; + uint has_scaling_xform : 1; + uint has_non_scaling_xform : 1; + uint has_custom_pen : 1; + uint use_path_fallback : 1; + uint adjust_coords : 1; + uint has_clipping : 1; + uint adapted_brush_origin : 1; + uint adapted_pen_origin : 1; + uint has_pen : 1; + uint has_brush : 1; + uint has_texture : 1; + uint has_alpha_texture : 1; + uint has_pattern : 1; + uint has_alpha_pen : 1; + uint has_alpha_brush : 1; + uint render_hints; + + const QX11Info *xinfo; + QPointF bg_origin; + QTransform::TransformationType txop; + qreal xform_scale; + QPolygonClipper<qt_float_point, qt_float_point, float> polygonClipper; + + int xlibMaxLinePoints; +#ifndef QT_NO_XRENDER + QXRenderTessellator *tessellator; +#endif +}; + +QT_END_NAMESPACE + +#endif // QPAINTENGINE_X11_P_H |