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/*
* libtcod 1.6.3
* Copyright (c) 2008,2009,2010,2012,2013,2016,2017 Jice & Mingos & rmtew
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * The name of Jice or Mingos may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JICE, MINGOS AND RMTEW ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JICE, MINGOS OR RMTEW BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef TCOD_SDL2
#include <sys.h>
#include <SDL.h>
#include <libtcod_int.h>
bool TCOD_sys_check_bmp(const char *filename) {
static uint8_t magic_number[]={0x42, 0x4d};
return TCOD_sys_check_magic_number(filename,sizeof(magic_number),magic_number);
}
SDL_Surface *TCOD_sys_read_bmp(const char *filename) {
SDL_Surface *ret=SDL_LoadBMP(filename);
if( !ret ) TCOD_fatal("SDL : %s",SDL_GetError());
/* convert low color images to 24 bits */
if ( ret->format->BytesPerPixel != 3 ) {
uint32_t rmask,gmask,bmask;
SDL_Surface * tmp;
if ( SDL_BYTEORDER == SDL_LIL_ENDIAN ) {
rmask=0xFF0000;
gmask=0x00FF00;
bmask=0x0000FF;
} else {
rmask=0x0000FF;
gmask=0x00FF00;
bmask=0xFF0000;
}
tmp=SDL_CreateRGBSurface(SDL_SWSURFACE,ret->w,ret->h,24, rmask, gmask, bmask, 0);
SDL_BlitSurface(ret,NULL,tmp,NULL);
SDL_FreeSurface(ret);
ret=tmp;
}
return ret;
}
void TCOD_sys_write_bmp(const SDL_Surface *surf, const char *filename) {
SDL_SaveBMP((SDL_Surface *)surf,filename);
}
#endif /* TCOD_SDL2 */