/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * JPEG image viewer * (This is a real mess if it has to be coded in one single C file) * * File scrolling addition (C) 2005 Alexander Spyridakis * Copyright (C) 2004 Jörg Hohensohn aka [IDC]Dragon * Heavily borrowed from the IJG implementation (C) Thomas G. Lane * Small & fast downscaling IDCT (C) 2002 by Guido Vollbeding JPEGclub.org * * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #ifndef _JPEG_YUV2RGB_H #define _JPEG_YUV2RGB_H enum color_modes { COLOURMODE_COLOUR = 0, COLOURMODE_GRAY, COLOUR_NUM_MODES }; enum dither_modes { DITHER_NONE = 0, /* No dithering */ DITHER_ORDERED, /* Bayer ordered */ DITHER_DIFFUSION, /* Floyd/Steinberg error diffusion */ DITHER_NUM_MODES }; void yuv_bitmap_part(unsigned char *src[3], int csub_x, int csub_y, int src_x, int src_y, int stride, int x, int y, int width, int height, int colour_mode, int dither_mode); #endif