source: trunk/third/mozilla/other-licenses/libart_lgpl/art_svp_render_aa.h @ 22325

Revision 22325, 1.9 KB checked in by rbasch, 19 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r22324, which included commits to RCS files with non-trunk default branches.
Line 
1/* Libart_LGPL - library of basic graphic primitives
2 * Copyright (C) 1998 Raph Levien
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20#ifndef __ART_SVP_RENDER_AA_H__
21#define __ART_SVP_RENDER_AA_H__
22
23/* The spiffy antialiased renderer for sorted vector paths. */
24
25#ifdef LIBART_COMPILATION
26#include "art_svp.h"
27#else
28#include <libart_lgpl/art_svp.h>
29#endif
30
31#ifdef __cplusplus
32extern "C" {
33#endif /* __cplusplus */
34
35typedef struct _ArtSVPRenderAAStep ArtSVPRenderAAStep;
36typedef struct _ArtSVPRenderAAIter ArtSVPRenderAAIter;
37
38struct _ArtSVPRenderAAStep {
39  int x;
40  int delta; /* stored with 16 fractional bits */
41};
42
43ArtSVPRenderAAIter *
44art_svp_render_aa_iter (const ArtSVP *svp,
45                        int x0, int y0, int x1, int y1);
46
47void
48art_svp_render_aa_iter_step (ArtSVPRenderAAIter *iter, int *p_start,
49                             ArtSVPRenderAAStep **p_steps, int *p_n_steps);
50
51void
52art_svp_render_aa_iter_done (ArtSVPRenderAAIter *iter);
53
54void
55art_svp_render_aa (const ArtSVP *svp,
56                   int x0, int y0, int x1, int y1,
57                   void (*callback) (void *callback_data,
58                                     int y,
59                                     int start,
60                                     ArtSVPRenderAAStep *steps, int n_steps),
61                   void *callback_data);
62
63#ifdef __cplusplus
64}
65#endif /* __cplusplus */
66
67#endif /* __ART_SVP_RENDER_AA_H__ */
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