FFmpeg/libavfilter/drawutils.h

/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFILTER_DRAWUTILS_H
#define AVFILTER_DRAWUTILS_H

/**
 * @file
 * misc drawing utilities
 */

#include <stdint.h>
#include "libavutil/pixfmt.h"

int ff_fill_rgba_map(uint8_t *rgba_map, enum PixelFormat pix_fmt);

int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w,
                            uint8_t dst_color[4],
                            enum PixelFormat pix_fmt, uint8_t rgba_color[4],
                            int *is_packed_rgba, uint8_t rgba_map[4]);

void ff_draw_rectangle(uint8_t *dst[4], int dst_linesize[4],
                       uint8_t *src[4], int pixelstep[4],
                       int hsub, int vsub, int x, int y, int w, int h);

void ff_copy_rectangle(uint8_t *dst[4], int dst_linesize[4],
                       uint8_t *src[4], int src_linesize[4], int pixelstep[4],
                       int hsub, int vsub, int x, int y, int y2, int w, int h);

#endif /* AVFILTER_DRAWUTILS_H */