kowmfpaint.h

/* This file is part of the KDE libraries
 * Copyright (c) 2003 thierry lorthiois (lorthioist@wanadoo.fr)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License version 2 as published by the Free Software Foundation.
 *
 * 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 _KOWMFPAINT_H_
#define _KOWMFPAINT_H_
 
#include <tqpainter.h>
 
#include "kowmfread.h"
#include <../kofficecore/koffice_export.h>
 
class KOWMF_EXPORT KoWmfPaint : public KoWmfRead
{
public:
    KoWmfPaint();
    ~KoWmfPaint() { }

    bool play( TQPaintDevice& target, bool relativeCoord=false );
 
 
private:
    // -------------------------------------------------------------------------
    // A virtual TQPainter
    bool  begin();
    bool  end();
    void  save();
    void  restore();
 
    // Drawing tools
    void  setFont( const TQFont& font );
    // the pen : the width of the pen is in logical coordinate
    void  setPen( const TQPen& pen );
    const TQPen& pen() const;
    void  setBrush( const TQBrush& brush );
 
    // Drawing attributes/modes
    void  setBackgroundColor( const TQColor& c );
    void  setBackgroundMode( TQt::BGMode mode );
    void  setRasterOp( TQt::RasterOp op );

    void  setWindowOrg( int left, int top );
    void  setWindowExt( int width, int height );
 
    // Clipping
    // the 'CoordinateMode' is ommitted : always CoordPainter in wmf
    // setClipRegion() is often used with save() and restore() => implement all or none
    void  setClipRegion( const TQRegion &rec );
    TQRegion clipRegion();
 
    // Graphics drawing functions
    void  moveTo( int x, int y );
    void  lineTo( int x, int y );
    void  drawRect( int x, int y, int w, int h );
    void  drawRoundRect( int x, int y, int w, int h, int = 25, int = 25 );
    void  drawEllipse( int x, int y, int w, int h );
    void  drawArc( int x, int y, int w, int h, int a, int alen );
    void  drawPie( int x, int y, int w, int h, int a, int alen );
    void  drawChord( int x, int y, int w, int h, int a, int alen );
    void  drawPolyline( const TQPointArray& pa );
    void  drawPolygon( const TQPointArray& pa, bool winding=false );
    void  drawPolyPolygon( TQPtrList<TQPointArray>& listPa, bool winding=false );
    void  drawImage( int x, int y, const TQImage &, int sx = 0, int sy = 0, int sw = -1, int sh = -1 );
 
    // Text drawing functions
    // rotation = the degrees of rotation in counterclockwise
    // not yet implemented in KWinMetaFile
    void  drawText( int x, int y, int w, int h, int flags, const TQString &s, double rotation );
 
    // matrix transformation : only used in some bitmap manipulation
    void  setWorldMatrix( const TQWMatrix &, bool combine=false );
 
private:
    TQPainter mPainter;
    TQPaintDevice *mTarget;
    bool  mRelativeCoord;
    // memorisation of WMF matrix transformation (in relative coordinate)
    TQWMatrix  mInternalWorldMatrix;
 
};
 
#endif