1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20*/
21
22#ifndef SDL_pixels_c_h_
23#define SDL_pixels_c_h_
24
25#include "../SDL_internal.h"
26
27/* Useful functions and variables from SDL_pixel.c */
28
29#include "SDL_blit.h"
30
31/* Pixel format functions */
32extern int SDL_InitFormat(SDL_PixelFormat * format, Uint32 pixel_format);
33
34/* Blit mapping functions */
35extern SDL_BlitMap *SDL_AllocBlitMap(void);
36extern void SDL_InvalidateMap(SDL_BlitMap * map);
37extern int SDL_MapSurface(SDL_Surface * src, SDL_Surface * dst);
38extern void SDL_FreeBlitMap(SDL_BlitMap * map);
39
40extern void SDL_InvalidateAllBlitMap(SDL_Surface *surface);
41
42/* Miscellaneous functions */
43extern void SDL_DitherColors(SDL_Color * colors, int bpp);
44extern Uint8 SDL_FindColor(SDL_Palette * pal, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
45extern void SDL_DetectPalette(SDL_Palette *pal, SDL_bool *is_opaque, SDL_bool *has_alpha_channel);
46
47#endif /* SDL_pixels_c_h_ */
48
49/* vi: set ts=4 sw=4 expandtab: */
50