firmware/export/screendump.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 by Jens Arnold
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef __SCREENDUMP_H__
  23 #define __SCREENDUMP_H__
  24
  25 #include "config.h"
  26
  27 /* Make BMP colour map entries from R, G, B triples, without and with blending.
  28  * Not within HAVE_LCD_BITMAP because it is also used for the Player sim */
  29 #define RED_CMP(c)   (((c) >> 16) & 0xff)
  30 #define GREEN_CMP(c) (((c) >> 8) & 0xff)
  31 #define BLUE_CMP(c)  ((c) & 0xff)
  32
  33 #define BMP_COLOR(c)  BLUE_CMP(c), GREEN_CMP(c), RED_CMP(c), 0
  34 #define BMP_COLOR_MIX(c1, c2, num, den) \
  35         (BLUE_CMP(c2)  - BLUE_CMP(c1))  * (num) / (den) + BLUE_CMP(c1),  \
  36         (GREEN_CMP(c2) - GREEN_CMP(c1)) * (num) / (den) + GREEN_CMP(c1), \
  37         (RED_CMP(c2)   - RED_CMP(c1))   * (num) / (den) + RED_CMP(c1),   0
  38
  39 #define LE16_CONST(x) (x)&0xff, ((x)>>8)&0xff
  40 #define LE32_CONST(x) (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
  41
  42 #if LCD_DEPTH <= 4
  43 #define DUMP_BMP_BPP 4
  44 #define DUMP_BMP_LINESIZE ((LCD_WIDTH/2 + 3) & ~3)
  45 #elif LCD_DEPTH <= 8
  46 #define DUMP_BMP_BPP 8
  47 #define DUMP_BMP_LINESIZE ((LCD_WIDTH + 3) & ~3)
  48 #elif LCD_DEPTH <= 16
  49 #define DUMP_BMP_BPP 16
  50 #define DUMP_BMP_LINESIZE ((LCD_WIDTH*2 + 3) & ~3)
  51 #else
  52 #define DUMP_BMP_BPP 24
  53 #define DUMP_BMP_LINESIZE ((LCD_WIDTH*3 + 3) & ~3)
  54 #endif
  55
  56 #ifdef BOOTLOADER
  57
  58 #define screen_dump()
  59 #define remote_screen_dump()
  60
  61 #else /* !BOOTLOADER */
  62
  63 /* Save a .BMP file containing the current screen contents. */
  64 void screen_dump(void);
  65
  66 #ifdef HAVE_LCD_BITMAP
  67 void screen_dump_set_hook(void (*hook)(int fd));
  68 #endif
  69
  70 #ifdef HAVE_REMOTE_LCD
  71 /* Save a .BMP file containing the current remote screen contents. */
  72 void remote_screen_dump(void);
  73 #endif
  74
  75 #endif /* !BOOTLOADER */
  76
  77 #endif /* __SCREENDUMP_H__ */