summaryrefslogtreecommitdiffstats
path: root/lib/kwmf/kowmfwrite.h
blob: 728566d0c8b456dc160607458b56cd3fdf5d3557 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* 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 <brush.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