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libwmf
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canvas.h
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/* libwmf (<libwmf/canvas.h>): library for wmf conversion Copyright (C) 2000 - various; see CREDITS, ChangeLog, and sources The libwmf 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. The libwmf 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 the libwmf Library; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Interface Programmable des Applications ?? */ #ifndef LIBWMF_CANVAS_H #define LIBWMF_CANVAS_H #include <libwmf/ipa.h> #ifdef __cplusplus extern "C" { #endif typedef void * wmfCanvas; /** * Make a canvas for drawing to, to build a metafile in memory. */ extern wmfCanvas * wmf_canvas (wmfAPI*,unsigned short,unsigned short,unsigned short); /** * Final canvas call: finish off the metafile, free canvas etc., and return the metafile buffer. */ extern unsigned char * wmf_canvas_done (wmfAPI*,wmfCanvas*,unsigned char**,unsigned long*); /** * Set current pen (stroke) attributes. */ extern int wmf_canvas_set_pen (wmfAPI*,wmfCanvas*, unsigned short,unsigned short,unsigned short, unsigned short,wmfRGB); /** * Set current brush (fill) attributes. */ extern int wmf_canvas_set_brush (wmfAPI*,wmfCanvas*,unsigned short,unsigned short,wmfRGB); /** * Change current font. */ extern int wmf_canvas_set_font (wmfAPI*,wmfCanvas*,const char*, unsigned short,unsigned short,unsigned short,unsigned short, unsigned short,unsigned short,unsigned short,unsigned short); /** * Set polygon fill mode. */ extern int wmf_canvas_set_polyfill (wmfAPI*,wmfCanvas*,unsigned short); /** * Set background mode. */ extern int wmf_canvas_set_background (wmfAPI*,wmfCanvas*,unsigned short); /** * Set background color. */ extern int wmf_canvas_set_bgcolor (wmfAPI*,wmfCanvas*,wmfRGB); /** * Set text color. */ extern int wmf_canvas_set_textcolor (wmfAPI*,wmfCanvas*,wmfRGB); /** * Draw a line. */ extern int wmf_canvas_line (wmfAPI*,wmfCanvas*, unsigned short,unsigned short, unsigned short,unsigned short); /** * Draw a rounded rectangle. */ extern int wmf_canvas_roundrect (wmfAPI*,wmfCanvas*, unsigned short,unsigned short, unsigned short,unsigned short, unsigned short,unsigned short); /** * Draw a rectangle. */ extern int wmf_canvas_rect (wmfAPI*,wmfCanvas*, unsigned short,unsigned short, unsigned short,unsigned short); /** * Draw an ellipse in the given bounding box. */ extern int wmf_canvas_ellipse (wmfAPI*,wmfCanvas*, unsigned short,unsigned short, unsigned short,unsigned short); /** * \b wmf_canvas_arc_t is the (enumeration) type used to distinguish arc type. */ typedef enum _wmf_canvas_arc_t { wmf_CA_open = 0, /**< drawn arc segment (no fill) */ wmf_CA_chord, /**< start & end of arc joined together */ wmf_CA_pie /**< start & end of arc joined to centre */ } wmf_canvas_arc_t; /** * Draw an elliptic arc in the given bounding box. */ extern int wmf_canvas_arc (wmfAPI*,wmfCanvas*, unsigned short,unsigned short, unsigned short,unsigned short, unsigned short,unsigned short, unsigned short,unsigned short,wmf_canvas_arc_t); /** * Draw a line connecting a sequence of points. */ extern int wmf_canvas_polyline (wmfAPI*,wmfCanvas*, unsigned short*,unsigned short*,unsigned short); /** * Draw a polygon. */ extern int wmf_canvas_polygon (wmfAPI*,wmfCanvas*, unsigned short*,unsigned short*,unsigned short); /** * Draw a set of polygons. */ extern int wmf_canvas_polygons (wmfAPI*,wmfCanvas*,unsigned short, unsigned short**,unsigned short**,unsigned short*); /** * Draw text. */ extern int wmf_canvas_text (wmfAPI*,wmfCanvas*,unsigned short,unsigned short,const char*); /** * Place a bitmap. */ extern int wmf_canvas_bitmap (wmfAPI*,wmfCanvas*,unsigned short,unsigned short, unsigned short,unsigned short,const unsigned char*,unsigned long); #ifdef __cplusplus } #endif #endif /* ! LIBWMF_CANVAS_H */