rockbox/firmware/export/screendump.h
Aidan MacDonald 9bde653410 firmware: allow screendump in bootloader
Enabled if target defines HAVE_BOOTLOADER_SCREENDUMP

Change-Id: Idc135ef81e55d0f3eb8e7d2763d455c6455cf8fd
2022-03-24 18:59:50 -04:00

74 lines
2.5 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Jens Arnold
*
* 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 __SCREENDUMP_H__
#define __SCREENDUMP_H__
#include "config.h"
/* Make BMP colour map entries from R, G, B triples, without and with blending. */
#define RED_CMP(c) (((c) >> 16) & 0xff)
#define GREEN_CMP(c) (((c) >> 8) & 0xff)
#define BLUE_CMP(c) ((c) & 0xff)
#define BMP_COLOR(c) BLUE_CMP(c), GREEN_CMP(c), RED_CMP(c), 0
#define BMP_COLOR_MIX(c1, c2, num, den) \
(BLUE_CMP(c2) - BLUE_CMP(c1)) * (num) / (den) + BLUE_CMP(c1), \
(GREEN_CMP(c2) - GREEN_CMP(c1)) * (num) / (den) + GREEN_CMP(c1), \
(RED_CMP(c2) - RED_CMP(c1)) * (num) / (den) + RED_CMP(c1), 0
#define LE16_CONST(x) (x)&0xff, ((x)>>8)&0xff
#define LE32_CONST(x) (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
#if LCD_DEPTH <= 4
#define DUMP_BMP_BPP 4
#define DUMP_BMP_LINESIZE ((LCD_WIDTH/2 + 3) & ~3)
#elif LCD_DEPTH <= 8
#define DUMP_BMP_BPP 8
#define DUMP_BMP_LINESIZE ((LCD_WIDTH + 3) & ~3)
#elif LCD_DEPTH <= 16
#define DUMP_BMP_BPP 16
#define DUMP_BMP_LINESIZE ((LCD_WIDTH*2 + 3) & ~3)
#else
#define DUMP_BMP_BPP 24
#define DUMP_BMP_LINESIZE ((LCD_WIDTH*3 + 3) & ~3)
#endif
#ifdef HAVE_SCREENDUMP
/* Save a .BMP file containing the current screen contents. */
void screen_dump(void);
void screen_dump_set_hook(void (*hook)(int fd));
#ifdef HAVE_REMOTE_LCD
/* Save a .BMP file containing the current remote screen contents. */
void remote_screen_dump(void);
#endif
#else /* !HAVE_SCREENDUMP */
#define screen_dump() do { } while(0)
#define remote_screen_dump() do { } while(0)
#endif /* HAVE_SCREENDUMP */
#endif /* __SCREENDUMP_H__ */