kowmfwrite.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 _KOWMFWRITE_H_
#define _KOWMFWRITE_H_
 
#include <tqpen.h>
#include <tqbrush.h>
#include <tqcolor.h>
#include <tqfont.h>
#include <tqrect.h>
#include <tqbuffer.h>
#include <tqregion.h>
#include <tqstring.h>
#include <tqwmatrix.h>
#include <tqimage.h>
#include <tqptrlist.h>
#include <tqpointarray.h>
#include <koffice_export.h>
class KoWmfWritePrivate;
 
class KOWMF_EXPORT KoWmfWrite
{
public:
    KoWmfWrite( const TQString& fileName );
    virtual ~KoWmfWrite();
 
 
    // -------------------------------------------------------------------------
    // virtual Painter
    // for a good documentation : check TQPainter documentation
    bool  begin();
    bool  end();
    void  save();
    void  restore();
 
    void setDefaultDpi( int dpi );
 
    // Drawing tools
    void  setFont( const TQFont& f );
    // the width of the pen is in logical coordinate
    void  setPen( const TQPen& p );
    void  setBrush( const TQBrush& b );
 
    // Drawing attributes/modes
    void  setBackgroundColor( const TQColor& r );
    void  setBackgroundMode( TQt::BGMode );
    void  setRasterOp( TQt::RasterOp );
 
    // Change logical Coordinate
    void  setWindow( int left, int top , int width, int height );
 
    // Clipping
    // the 'CoordinateMode' parameter is ommitted : always CoordPainter in wmf
    // not yet implemented
    void  setClipRegion( const TQRegion& r );
    void  clipping( bool enable );
 
    // Graphics drawing functions
    void  moveTo( int left, int top );
    void  lineTo( int left, int top );
    void  drawRect( int left, int top, int width, int height );
    void  drawRoundRect( int left, int top, int width, int height, int = 25, int = 25 );
    void  drawEllipse( int left, int top, int width, int height );
    void  drawArc( int left, int top, int width, int height, int a, int alen );
    void  drawPie( int left, int top, int width, int height, int a, int alen );
    void  drawChord( int left, int top, int width, int height, int a, int alen );
    void  drawPolyline( const TQPointArray& pa );
    void  drawPolygon( const TQPointArray& pa, bool winding=false );
    // drawPolyPolygon draw the XOR of a list of polygons
    // listPa : list of polygons
    void  drawPolyPolygon( TQPtrList<TQPointArray>& listPa, bool winding=false );
    void  drawImage( int left, int top, 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
    void  drawText( int x, int y, int w, int h, int flags, const TQString &s, double rotation );
 
private:
    //-----------------------------------------------------------------------------
    // Utilities and conversion TQt --> Wmf
 
    void pointArray( const TQPointArray& pa );
 
    TQ_UINT32 winColor( TQColor color );
 
    void angleToxy( int& xStart, int& yStart, int& xEnd, int& yEnd, int a, int alen );
 
    TQ_UINT16 qtRasterToWin16( TQt::RasterOp op ) const;
    TQ_UINT32 qtRasterToWin32( TQt::RasterOp op ) const;
 
 
private:
    KoWmfWritePrivate *d;
 
};
 
#endif