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/* 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;
/**
* KoWmfWrite allows to create a windows placeable meta file (WMF).
* Most of the functions are compatible with TQPainter format.
*
* sample of utilization:
* <pre>
* KoWmfWrite wmf("/home/test.wmf");
* wmf.begin();
* wmf.setWindow(0, 0, 200, 200);
* wmf.drawRect(10, 20, 50, 120);
* wmf.end();
* </pre>
*/
class KOWMF_EXPORT KoWmfWrite
{
public:
KoWmfWrite( const TQString& fileName );
virtual ~KoWmfWrite();
// -------------------------------------------------------------------------
// virtual Painter
// for a good documentation : check TQPainter documentation
/**
* Open the file. Returns true on success.
*/
bool begin();
/**
* Close the file. Returns true on success.
*/
bool end();
void save();
void restore();
/**
* Placeable WMF's use logical coordinates and have a default DPI.
* This function set the dot per inch ratio.
* If not specified the dpi is 1024.
*/
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( Qt::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
/** Convert TQPointArray into TQ_INT16 position (result in mSt) */
void pointArray( const TQPointArray& pa );
/** Convertion between windows color and TQColor */
TQ_UINT32 winColor( TQColor color );
/** Convert angle a and alen in coordinate (xStart,yStart) and (xEnd, yEnd) */
void angleToxy( int& xStart, int& yStart, int& xEnd, int& yEnd, int a, int alen );
/** Convert windows rasterOp in QT rasterOp */
TQ_UINT16 qtRasterToWin16( TQt::RasterOp op ) const;
TQ_UINT32 qtRasterToWin32( TQt::RasterOp op ) const;
private:
KoWmfWritePrivate *d;
};
#endif
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