1 files changed, 62 insertions, 0 deletions

diff --git a/firmware/export/screendump.h b/firmware/export/screendump.h
new file mode 100644
index 0000000000..515db08a70
--- /dev/null
+++ b/firmware/export/screendump.h
@@ -0,0 +1,62 @@
+/***************************************************************************
+ *             __________               __   ___.                  
+ *   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.
+ * Not within HAVE_LCD_BITMAP because it is also used for the Player sim */
+#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
+
+
+#ifdef BOOTLOADER
+
+#define screen_dump()
+#define remote_screen_dump()
+
+#else /* !BOOTLOADER */
+
+#ifdef HAVE_LCD_BITMAP
+/* Save a .BMP file containing the current screen contents. */
+void screen_dump(void);
+void screen_dump_set_hook(void (*hook)(int fd));
+#endif
+#ifdef HAVE_REMOTE_LCD
+/* Save a .BMP file containing the current remote screen contents. */
+void remote_screen_dump(void);
+#endif
+
+#endif /* !BOOTLOADER */
+
+#endif /* __SCREENDUMP_H__ */