1 /* Libart_LGPL - library of basic graphic primitives
2 * Copyright (C) 1998 Raph Levien
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.
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.
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.
20 #ifndef __ART_SVP_RENDER_AA_H__
21 #define __ART_SVP_RENDER_AA_H__
23 /* The spiffy antialiased renderer for sorted vector paths. */
25 #ifdef LIBART_COMPILATION
33 #endif /* __cplusplus */
35 typedef struct _ArtSVPRenderAAStep ArtSVPRenderAAStep
;
36 typedef struct _ArtSVPRenderAAIter ArtSVPRenderAAIter
;
38 struct _ArtSVPRenderAAStep
{
40 int delta
; /* stored with 16 fractional bits */
44 art_svp_render_aa_iter (const ArtSVP
*svp
,
45 int x0
, int y0
, int x1
, int y1
);
48 art_svp_render_aa_iter_step (ArtSVPRenderAAIter
*iter
, int *p_start
,
49 ArtSVPRenderAAStep
**p_steps
, int *p_n_steps
);
52 art_svp_render_aa_iter_done (ArtSVPRenderAAIter
*iter
);
55 art_svp_render_aa (const ArtSVP
*svp
,
56 int x0
, int y0
, int x1
, int y1
,
57 void (*callback
) (void *callback_data
,
60 ArtSVPRenderAAStep
*steps
, int n_steps
),
65 #endif /* __cplusplus */
67 #endif /* __ART_SVP_RENDER_AA_H__ */