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Handle 8-bit BMP files

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8514 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2006-01-31 23:34:02 +00:00
parent 62b22ba45f
commit b69d59ba8e
1 changed files with 45 additions and 0 deletions
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45
apps/recorder/bmp.c
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@ -297,6 +297,51 @@ int read_bmp_file(char* filename,
#endif
break;
case 8:
p = bmpbuf;
#if LCD_DEPTH > 1
if(format == FORMAT_MONO) {
#endif
/* 8-bit RGB24 palette -> mono */
for (col = 0; col < width; col++) {
struct rgb_quad rgb = palette[*p];
ret = brightness(rgb);
if (ret > 96) {
bitmap[width * ((height - row - 1) / 8) + col]
&= ~ 1 << ((height - row - 1) % 8);
} else {
bitmap[width * ((height - row - 1) / 8) + col]
|= 1 << ((height - row - 1) % 8);
}
p++;
}
#if LCD_DEPTH == 2
} else {
/* 8-bit RGB24 palette -> 2gray (iriver H1xx) */
for (col = 0; col < width; col++) {
struct rgb_quad rgb = palette[*p];
ret = brightness(rgb);
dest[((height - row - 1)/4) * width + col] |=
(~ret & 0xC0) >> (2 * (~(height - row - 1) & 3));
p++;
}
}
#elif LCD_DEPTH == 16
} else {
/* 8-bit RGB24 palette -> RGB16 */
for (col = 0; col < width; col++) {
struct rgb_quad rgb = palette[*p];
unsigned short rgb16 =
LCD_RGBPACK(rgb.red, rgb.green, rgb.blue);
dest[width * (height - row - 1) + col] = rgb16;
p++;
}
}
#endif
break;
case 24:
p = bmpbuf;
#if LCD_DEPTH > 1