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112 lines
3.3 KiB
112 lines
3.3 KiB
/****************************************************************************
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**
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** Definition of TQt3CairoPaintDevice class
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**
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** Copyright (C) 2012 Timothy Pearson. All rights reserved.
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**
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** This file is part of the TDE GTK3 style interface
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQTCAIROPAINTER_H
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#define TQTCAIROPAINTER_H
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#define TQT_NO_COMPAT_NAMES
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#include "ntqpaintdevice.h"
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#include "ntqbuffer.h"
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#include "ntqcolor.h"
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#include "ntqpen.h"
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#include "ntqbrush.h"
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#include "ntqfont.h"
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#include "ntqimage.h"
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#include "ntqptrstack.h"
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#include "ntqpainter.h"
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#include <cairo.h>
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#include <pango/pangocairo.h>
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typedef TQPtrStack<TQWMatrix> TQWMatrixStack;
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class Q_EXPORT TQt3CairoPaintDevice : public TQPaintDevice // picture class
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{
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public:
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TQt3CairoPaintDevice( cairo_surface_t *, int x = 0, int y = 0, int width = -1, int height = -1, cairo_t *overridepainter = NULL );
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~TQt3CairoPaintDevice();
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protected:
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bool cmd( int, TQPainter *, TQPDevCmdParam * );
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int metric( int ) const;
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private:
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void init();
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void updateSurfaceDimensions() const;
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void resetIntermediateSurface();
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void transferIntermediateSurface();
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void updatePen(bool backgroundStroke=FALSE);
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void dualStrokePen();
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void updateBrush(bool backgroundStroke=FALSE, cairo_fill_rule_t fillMethod=CAIRO_FILL_RULE_WINDING);
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void dualStrokeBrush(cairo_fill_rule_t fillMethod=CAIRO_FILL_RULE_WINDING);
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void drawPolygon(const TQPointArray* pointarray, bool winding, bool fill, bool close);
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void drawRoundRect(int x, int y, int w, int h, int xRnd, int yRnd);
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void drawEllipse(int x, int y, int w, int h);
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void drawArc(int x, int y, int w, int h, int a, int alen);
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void drawPie(int x, int y, int w, int h, int a, int alen);
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void drawChord(int x, int y, int w, int h, int a, int alen);
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void pangoSetupTextPath(PangoLayout *layout, const char* text);
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void drawText(TQPainter *p, int x, int y, const TQString &str);
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void drawTextInRect(TQPainter *p, TQRect rect, int textFlags, const TQString &str);
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void setCairoTransformations(cairo_t* cr, bool forceDisable=false);
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private:
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mutable int m_width;
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mutable int m_height;
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mutable int m_offsetX;
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mutable int m_offsetY;
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cairo_surface_t *m_surface;
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cairo_surface_t *m_intermediateSurface;
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cairo_t *m_painter;
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cairo_t *m_devicePainter;
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cairo_t *m_overridePainter;
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cairo_matrix_t m_deviceMatrix;
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cairo_matrix_t m_worldMatrix;
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cairo_matrix_t m_viewportMatrix;
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bool m_worldMatrixEnabled;
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bool m_viewportMatrixEnabled;
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TQColor m_bgColor;
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TQt::BGMode m_bgColorMode;
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TQPen m_pen;
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TQBrush m_brush;
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TQPoint m_brushOrigin;
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TQFont m_font;
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TQt::RasterOp m_rop;
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TQImage m_clipRegion;
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bool m_clipRegionEnabled;
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TQWMatrixStack m_worldMatrixStack;
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PangoTabArray* m_tabStops;
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PangoTabArray* m_tabStopArray;
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bool m_tabStopsValid;
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bool m_tabStopArrayValid;
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bool m_transferNeeded;
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};
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#endif // TQTCAIROPAINTER_H
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