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koffice/karbon/render/vkopainter.h

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/* This file is part of the KDE project
Copyright (C) 2001, 2002, 2003 The Karbon Developers
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __VKOPAINTER_H__
#define __VKOPAINTER_H__
// kopainter/libart wrapper
#include "vpainter.h"
#include <qwmatrix.h>
#include <qptrlist.h>
#include <koffice_export.h>
class QPainter;
struct _ArtVpath;
struct _ArtBpath;
struct _ArtSVP;
struct _ArtGradientStop;
class VGradient;
class VPattern;
class KoRect;
class KARBONBASE_EXPORT VKoPainter : public VPainter
{
public:
VKoPainter( QPaintDevice *target, unsigned int w = 0, unsigned int h = 0, bool = true );
VKoPainter( unsigned char *buffer, unsigned int w = 0, unsigned int h = 0, bool = true );
virtual ~VKoPainter();
virtual void resize( unsigned int w, unsigned int h );
virtual void begin();
virtual void end();
virtual void blit( const KoRect & );
void clear();
virtual void clear( const QColor & );
virtual void clear( const KoRect &, const QColor & );
// matrix manipulation
virtual void setWorldMatrix( const QWMatrix & );
virtual const QWMatrix worldMatrix() { return m_matrix; }
virtual void setZoomFactor( double );
virtual double zoomFactor() { return m_zoomFactor; }
// drawing
virtual void moveTo( const KoPoint & );
virtual void lineTo( const KoPoint & );
virtual void curveTo( const KoPoint &, const KoPoint &, const KoPoint & );
virtual void newPath();
virtual void fillPath();
virtual void setFillRule( VFillRule );
virtual void strokePath();
virtual void setClipPath();
virtual void resetClipPath();
// helper
virtual void drawNode( const KoPoint& p, int width );
virtual void drawRect( const KoRect & );
virtual void drawRect( double, double, double, double );
// pen + brush
virtual void setPen( const VStroke & );
virtual void setPen( const QColor & );
virtual void setPen( Qt::PenStyle style );
virtual void setBrush( const VFill & );
virtual void setBrush( const QColor & );
virtual void setBrush( Qt::BrushStyle style );
virtual void drawImage( const QImage &, const QWMatrix & );
// stack management
virtual void save();
virtual void restore();
//
virtual void setRasterOp( Qt::RasterOp );
virtual QPaintDevice *device() { return m_target; }
unsigned char *buffer() { return m_buffer; }
private:
void drawVPath( struct _ArtVpath * );
void applyGradient( _ArtSVP *, bool );
void applyPattern( _ArtSVP *, bool );
_ArtGradientStop *buildStopArray( VGradient &gradient, int & );
void clampToViewport( const _ArtSVP &, int &, int &, int &, int & );
void clampToViewport( int &, int &, int &, int & );
void ensureSpace( unsigned int );
private:
struct _ArtBpath *m_path;
unsigned int m_index;
unsigned int m_alloccount;
unsigned char *m_buffer;
QPaintDevice *m_target;
unsigned int m_width;
unsigned int m_height;
QWMatrix m_matrix;
VStroke *m_stroke;
VFill *m_fill;
VFillRule m_fillRule;
double m_zoomFactor;
QPtrList<_ArtSVP> m_clipPaths;
bool m_bDrawNodes;
GC gc;
};
#endif