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libavfilter/drawutils.h

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00001 /*
00002  * This file is part of FFmpeg.
00003  *
00004  * FFmpeg is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * FFmpeg is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with FFmpeg; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00017  */
00018 
00019 #ifndef AVFILTER_DRAWUTILS_H
00020 #define AVFILTER_DRAWUTILS_H
00021 
00027 #include <stdint.h>
00028 #include "libavutil/pixfmt.h"
00029 
00030 int ff_fill_rgba_map(uint8_t *rgba_map, enum PixelFormat pix_fmt);
00031 
00032 int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w,
00033                             uint8_t dst_color[4],
00034                             enum PixelFormat pix_fmt, uint8_t rgba_color[4],
00035                             int *is_packed_rgba, uint8_t rgba_map[4]);
00036 
00037 void ff_draw_rectangle(uint8_t *dst[4], int dst_linesize[4],
00038                        uint8_t *src[4], int pixelstep[4],
00039                        int hsub, int vsub, int x, int y, int w, int h);
00040 
00041 void ff_copy_rectangle(uint8_t *dst[4], int dst_linesize[4],
00042                        uint8_t *src[4], int src_linesize[4], int pixelstep[4],
00043                        int hsub, int vsub, int x, int y, int y2, int w, int h);
00044 
00045 #endif /* AVFILTER_DRAWUTILS_H */
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