/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id: $
 *
 * Copyright (C) 2007 Mark Arigo
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "gui_img.h"
#include "bmp.h"

int gui_image_load(char* filename, struct gui_img* img, unsigned char* buffer,
                   int bufsize, int format)
{
    int ret;

    img->bm.data = buffer;
    ret = read_bmp_file(filename, &img->bm, bufsize, format);

    if (ret > 0)
    {
        img->loaded = true;
        img->width = img->bm.width;
        img->height = img->bm.height;
        img->subimg_index = 0;

        if (img->nb_subimg > 0)
        {
            img->height = img->bm.height / img->nb_subimg;
        }
        else
            img->nb_subimg = 1;

#if LCD_DEPTH == 16
        /* Always consume an even number of bytes */
        if (ret % 2)
            ret++;
#endif
    }
    else
        img->loaded = false;

    return ret;
}

void gui_image_draw(struct screen *display, struct gui_img* img)
{
    if(img->always_display)
        display->set_drawmode(DRMODE_FG);
    else
        display->set_drawmode(DRMODE_SOLID);

    if (img->nb_subimg > 1)
    {
#if LCD_DEPTH > 1
        if(img->bm.format == FORMAT_MONO) {
#endif
            display->mono_bitmap_part(img->bm.data, 0, 
                            img->subimg_index * img->height, img->width,
                            img->x, img->y, img->width, img->height);
#if LCD_DEPTH > 1
        } else {
            display->transparent_bitmap_part((fb_data *)img->bm.data, 0,
                            img->subimg_index * img->height, img->width,
                            img->x, img->y, img->width, img->height);
        }
#endif
        return;
    }

#if LCD_DEPTH > 1
    if(img->bm.format == FORMAT_MONO) {
#endif
        display->mono_bitmap(img->bm.data, img->x, img->y, img->width,
                            img->height);
#if LCD_DEPTH > 1
    } else {
        display->transparent_bitmap((fb_data *)img->bm.data, img->x, img->y,
                            img->width, img->height);
    }
#endif

    display->set_drawmode(DRMODE_SOLID);
}