5bd0823749
* Created new directory, imageviewer/ and moved both jpeg/ and png/ under it. - this still doesn't merge the two plugins. i.e. both jpeg.rock and png.rock will be made for color targets. - I'm thinking to merge the two plugins to single image viewer later. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24272 a1c6a512-1295-4272-9138-f99709370657
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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
|