apps/plugins/lib/bmp.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Antoine Cellerier <dionoea -at- videolan -dot- org>
  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 #ifndef _LIB_BMP_H_
  22 #define _LIB_BMP_H_
  23
  24 #include "lcd.h"
  25 #include "plugin.h"
  26
  27 #if LCD_DEPTH > 1 /* save is only available for color, resize for >1bpp */
  28 #ifdef HAVE_LCD_COLOR
  29 /**
  30  * Save bitmap to file
  31  */
  32 int save_bmp_file( char* filename, struct bitmap *bm, const struct plugin_api* rb  );
  33 #endif
  34
  35 /**
  36    Very simple image scale from src to dst (nearest neighbour).
  37    Source and destination dimensions are read from the struct bitmap.
  38 */
  39 void simple_resize_bitmap(struct bitmap *src, struct bitmap *dst);
  40
  41 /**
  42    Advanced image scale from src to dst (bilinear) based on imlib2.
  43    Source and destination dimensions are read from the struct bitmap.
  44  */
  45 void smooth_resize_bitmap(struct bitmap *src,  struct bitmap *dst);
  46
  47 #else
  48 /*
  49    BMP loader is built with scaling support in pluginlib on 1bpp targets, as
  50    these do not provide scaling support in the core BMP loader. bmp_init is
  51    needed to copy the plugin API pointer for the pluginlib loader's use.
  52 */
  53 void bmp_init(const struct plugin_api *api);
  54 #endif
  55
  56 #endif