view src/video/photon/SDL_photon_pixelfmt.c @ 3136:962357f325e1 gsoc2009_IME

Further polish API, fix crash in test program.
author Jiang Jiang <gzjjgod@gmail.com>
date Thu, 06 Aug 2009 08:59:53 +0000
parents aa1897bee1e9
children 7f684f249ec9
line wrap: on
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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

    QNX Photon GUI SDL driver
    Copyright (C) 2009 Mike Gorchak
    (mike@malva.ua, lestat@i.com.ua)
*/

#include "SDL_photon_pixelfmt.h"

uint32_t photon_bits_to_sdl_pixelformat(uint32_t pixelfmt)
{
   switch(pixelfmt)
   {
      case 8:
           {
              return SDL_PIXELFORMAT_INDEX8;
           }
           break;
      case 15:
           {
              return SDL_PIXELFORMAT_ARGB1555;
           }
           break;
      case 16:
           {
              return SDL_PIXELFORMAT_RGB565;
           }
           break;
      case 24:
           {
              return SDL_PIXELFORMAT_RGB888;
           }
           break;
      case 32:
           {
              return SDL_PIXELFORMAT_ARGB8888;
           }
           break;
   }
}

uint32_t photon_sdl_to_bits_pixelformat(uint32_t pixelfmt)
{
   switch(pixelfmt)
   {
      case SDL_PIXELFORMAT_INDEX8:
           {
              return 8;
           }
           break;
      case SDL_PIXELFORMAT_ARGB1555:
           {
              return 15;
           }
           break;
      case SDL_PIXELFORMAT_ABGR1555:
           {
              return 15;
           }
           break;
      case SDL_PIXELFORMAT_RGB565:
           {
              return 16;
           }
           break;
      case SDL_PIXELFORMAT_RGB888:
           {
              return 24;
           }
           break;
      case SDL_PIXELFORMAT_BGRA8888:
           {
              return 32;
           }
           break;
      case SDL_PIXELFORMAT_ARGB8888:
           {
              return 32;
           }
           break;
      case SDL_PIXELFORMAT_YV12:
           {
              return 8;
           }
           break;
      case SDL_PIXELFORMAT_YUY2:
           {
              return 16;
           }
           break;
      case SDL_PIXELFORMAT_UYVY:
           {
              return 16;
           }
           break;
      case SDL_PIXELFORMAT_YVYU:
           {
              return 16;
           }
           break;
   }

   return 0;
}

uint32_t photon_image_to_sdl_pixelformat(uint32_t pixelfmt)
{
   switch(pixelfmt)
   {
      case Pg_IMAGE_PALETTE_BYTE:
           {
              return SDL_PIXELFORMAT_INDEX8;
           }
           break;
      case Pg_IMAGE_DIRECT_8888:
           {
              return SDL_PIXELFORMAT_BGRA8888;
           }
           break;
      case Pg_IMAGE_DIRECT_888:
           {
              return SDL_PIXELFORMAT_RGB888;
           }
           break;
      case Pg_IMAGE_DIRECT_565:
           {
              return SDL_PIXELFORMAT_RGB565;
           }
           break;
      case Pg_IMAGE_DIRECT_555:
           {
              return SDL_PIXELFORMAT_RGB555;
           }
           break;
      case Pg_IMAGE_DIRECT_1555:
           {
              return SDL_PIXELFORMAT_ARGB1555;
           }
           break;
   }

   return 0;
}

uint32_t photon_sdl_to_image_pixelformat(uint32_t pixelfmt)
{
   switch(pixelfmt)
   {
      case SDL_PIXELFORMAT_INDEX8:
           {
              return Pg_IMAGE_PALETTE_BYTE;
           }
           break;
      case SDL_PIXELFORMAT_BGRA8888:
           {
              return Pg_IMAGE_DIRECT_8888;
           }
           break;
      case SDL_PIXELFORMAT_RGB888:
           {
              return Pg_IMAGE_DIRECT_888;
           }
           break;
      case SDL_PIXELFORMAT_RGB565:
           {
              return Pg_IMAGE_DIRECT_565;
           }
           break;
      case SDL_PIXELFORMAT_ARGB1555:
           {
              return Pg_IMAGE_DIRECT_1555;
           }
           break;
   }

   return 0;
}

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