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/* The GIMP -- an image manipulation program
* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_SCAN_CONVERT_H__
#define __GIMP_SCAN_CONVERT_H__
/* Create a new scan conversion context.
*/
GimpScanConvert * gimp_scan_convert_new (void);
void gimp_scan_convert_free (GimpScanConvert *scan_converter);
/* set the Pixel-Ratio (width / height) for the pixels.
*/
void gimp_scan_convert_set_pixel_ratio (GimpScanConvert *sc,
gdouble ratio_xy);
/* Add "npoints" from "pointlist" to the polygon currently being
* described by "scan_converter". DEPRECATED.
*/
void gimp_scan_convert_add_points (GimpScanConvert *scan_converter,
guint n_points,
GimpVector2 *points,
gboolean new_polygon);
/* Add a polygon with "npoints" "points" that may be open or closed.
* It is not recommended to mix gimp_scan_convert_add_polyline with
* gimp_scan_convert_add_points.
*
* Please note that you should use gimp_scan_convert_stroke() if you
* specify open polygons.
*/
void gimp_scan_convert_add_polyline (GimpScanConvert *sc,
guint n_points,
GimpVector2 *points,
gboolean closed);
/* Stroke the content of a GimpScanConvert. The next
* gimp_scan_convert_to_channel will result in the outline of the polygon
* defined with the commands above.
*
* You cannot add additional polygons after this command.
*
* Note that if you have nonstandard resolution, "width" gives the
* width (in pixels) for a vertical stroke, i.e. use the X-resolution
* to calculate the width of a stroke when operating with real world
* units.
*/
void gimp_scan_convert_stroke (GimpScanConvert *sc,
gdouble width,
GimpJoinStyle join,
GimpCapStyle cap,
gdouble miter,
gdouble dash_offset,
GArray *dash_info);
/* This is a more low level version. Expects a tile manager of depth 1.
*
* You cannot add additional polygons after this command.
*/
void gimp_scan_convert_render (GimpScanConvert *scan_converter,
TileManager *tile_manager,
gint off_x,
gint off_y,
gboolean antialias);
#endif /* __GIMP_SCAN_CONVERT_H__ */
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