75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 by Jens Arnold
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __SCREENDUMP_H__
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#define __SCREENDUMP_H__
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#include "config.h"
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/* Make BMP colour map entries from R, G, B triples, without and with blending. */
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#define RED_CMP(c) (((c) >> 16) & 0xff)
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#define GREEN_CMP(c) (((c) >> 8) & 0xff)
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#define BLUE_CMP(c) ((c) & 0xff)
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#define BMP_COLOR(c) BLUE_CMP(c), GREEN_CMP(c), RED_CMP(c), 0
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#define BMP_COLOR_MIX(c1, c2, num, den) \
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(BLUE_CMP(c2) - BLUE_CMP(c1)) * (num) / (den) + BLUE_CMP(c1), \
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(GREEN_CMP(c2) - GREEN_CMP(c1)) * (num) / (den) + GREEN_CMP(c1), \
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(RED_CMP(c2) - RED_CMP(c1)) * (num) / (den) + RED_CMP(c1), 0
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#define LE16_CONST(x) (x)&0xff, ((x)>>8)&0xff
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#define LE32_CONST(x) (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
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#if LCD_DEPTH <= 4
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#define DUMP_BMP_BPP 4
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#define DUMP_BMP_LINESIZE ((LCD_WIDTH/2 + 3) & ~3)
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#elif LCD_DEPTH <= 8
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#define DUMP_BMP_BPP 8
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#define DUMP_BMP_LINESIZE ((LCD_WIDTH + 3) & ~3)
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#elif LCD_DEPTH <= 16
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#define DUMP_BMP_BPP 16
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#define DUMP_BMP_LINESIZE ((LCD_WIDTH*2 + 3) & ~3)
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#else
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#define DUMP_BMP_BPP 24
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#define DUMP_BMP_LINESIZE ((LCD_WIDTH*3 + 3) & ~3)
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#endif
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#ifdef BOOTLOADER
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#define screen_dump()
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#define remote_screen_dump()
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#else /* !BOOTLOADER */
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/* Save a .BMP file containing the current screen contents. */
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void screen_dump(void);
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void screen_dump_set_hook(void (*hook)(int fd));
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#ifdef HAVE_REMOTE_LCD
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/* Save a .BMP file containing the current remote screen contents. */
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void remote_screen_dump(void);
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#endif
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#endif /* !BOOTLOADER */
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#endif /* __SCREENDUMP_H__ */
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