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62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
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/* Libart_LGPL - library of basic graphic primitives
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* Copyright (C) 1998 Raph Levien
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __ART_SVP_RENDER_AA_H__
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#define __ART_SVP_RENDER_AA_H__
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/* The spiffy antialiased renderer for sorted vector paths. */
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef struct _ArtSVPRenderAAStep ArtSVPRenderAAStep;
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typedef struct _ArtSVPRenderAAIter ArtSVPRenderAAIter;
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struct _ArtSVPRenderAAStep {
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int x;
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int delta; /* stored with 16 fractional bits */
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};
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ArtSVPRenderAAIter *
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art_svp_render_aa_iter (const ArtSVP *svp,
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int x0, int y0, int x1, int y1);
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void
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art_svp_render_aa_iter_step (ArtSVPRenderAAIter *iter, int *p_start,
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ArtSVPRenderAAStep **p_steps, int *p_n_steps);
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void
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art_svp_render_aa_iter_done (ArtSVPRenderAAIter *iter);
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void
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art_svp_render_aa (const ArtSVP *svp,
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int x0, int y0, int x1, int y1,
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void (*callback) (void *callback_data,
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int y,
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int start,
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ArtSVPRenderAAStep *steps, int n_steps),
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void *callback_data);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __ART_SVP_RENDER_AA_H__ */
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