build a scaling-enabled bitmap loader in pluginlib for mono bitmap targets, and use it in the test greylib scaler plugin

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19671 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/lib/SOURCES

@@ -4,6 +4,10 @@ fixedpoint.c
 playback_control.c
 rgb_hsv.c
 #if defined(HAVE_LCD_BITMAP) && (LCD_DEPTH < 4)
+#if LCD_DEPTH == 1
+core_bmp.c
+core_resize.c
+#endif
 grey_core.c
 grey_draw.c
 grey_parm.c

apps/plugins/lib/bmp.c

@@ -87,6 +87,8 @@ int save_bmp_file( char* filename, struct bitmap *bm, const struct plugin_api* r
 }
 #endif
 
+#include "../../recorder/bmp.c"
+
 /**
    Very simple image scale from src to dst (nearest neighbour).
    Source and destination dimensions are read from the struct bitmap.

apps/plugins/lib/core_bmp.c

@@ -0,0 +1,24 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* This is a wrapper for the core bmp.c
+*
+* 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.
+*
+****************************************************************************/
+
+#include <plugin.h>
+#include "../../recorder/bmp.c"
+

apps/plugins/lib/core_resize.c

@@ -0,0 +1,24 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* This is a wrapper for the core bmp.c
+*
+* 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.
+*
+****************************************************************************/
+
+#include <plugin.h>
+#include "../../recorder/resize.c"
+