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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#pragma once
/** \file
* \ingroup bli
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* Plot a line from \a p1 to \a p2 (inclusive).
*
* \note For clipped line drawing, see: http://stackoverflow.com/a/40902741/432509
*/
void BLI_bitmap_draw_2d_line_v2v2i(const int p1[2],
const int p2[2],
bool (*callback)(int, int, void *),
void *user_data);
/**
* \note Unclipped (clipped version can be added if needed).
*/
void BLI_bitmap_draw_2d_tri_v2i(const int p1[2],
const int p2[2],
const int p3[2],
void (*callback)(int x, int x_end, int y, void *),
void *user_data);
/**
* Draws a filled polygon with support for self intersections.
*
* \param callback: Takes the x, y coords and x-span (\a x_end is not inclusive),
* note that \a x_end will always be greater than \a x, so we can use:
*
* \code{.c}
* do {
* func(x, y);
* } while (++x != x_end);
* \endcode
*/
void BLI_bitmap_draw_2d_poly_v2i_n(int xmin,
int ymin,
int xmax,
int ymax,
const int verts[][2],
int verts_len,
void (*callback)(int x, int x_end, int y, void *),
void *user_data);
#ifdef __cplusplus
}
#endif
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