Mercurial > sdl-ios-xcode
view src/video/SDL_drawpoint.c @ 3433:ad845d9835aa
Hmm, this isn't going to work, is it?
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 15 Nov 2009 08:01:34 +0000 |
parents | 210e209b87cc |
children | 0267b8b1595c |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2009 Sam Lantinga This library 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. This library 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 this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #include "SDL_draw.h" int SDL_DrawPoint(SDL_Surface * dst, int x, int y, Uint32 color) { /* This function doesn't work on surfaces < 8 bpp */ if (dst->format->BitsPerPixel < 8) { SDL_SetError("SDL_DrawPoint(): Unsupported surface format"); return (-1); } /* Perform clipping */ if (x < dst->clip_rect.x || y < dst->clip_rect.y || x >= (dst->clip_rect.x + dst->clip_rect.w) || y >= (dst->clip_rect.y + dst->clip_rect.h)) { return 0; } switch (dst->format->BytesPerPixel) { case 1: DRAW_FASTSETPIXEL1(x, y); break; case 2: DRAW_FASTSETPIXEL2(x, y); break; case 3: SDL_Unsupported(); return -1; case 4: DRAW_FASTSETPIXEL4(x, y); break; } return 0; } /* vi: set ts=4 sw=4 expandtab: */