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Added 16-bit RGB format to bmp2rb

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7861 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-11-14 14:47:23 +00:00
parent 5e883c36b1
commit 057c8ec9d0
1 changed files with 39 additions and 11 deletions
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46
tools/bmp2rb.c
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@ -277,7 +277,7 @@ int read_bmp_file(char* filename,
****************************************************************************/
int transform_bitmap(const struct RGBQUAD *src, long width, long height,
int format, unsigned char **dest, long *dst_width,
int format, unsigned short **dest, long *dst_width,
long *dst_height)
{
long row, col;
@ -305,12 +305,17 @@ int transform_bitmap(const struct RGBQUAD *src, long width, long height,
dst_h = height;
break;
case 4: /* 16-bit packed RGB (5-6-5) */
dst_w = width;
dst_h = height;
break;
default: /* unknown */
debugf("error - Undefined destination format\n");
return 1;
}
*dest = (unsigned char *)malloc(dst_w * dst_h);
*dest = (unsigned short *)malloc(dst_w * dst_h);
if (*dest == NULL)
{
debugf("error - Out of memory.\n");
@ -356,6 +361,19 @@ int transform_bitmap(const struct RGBQUAD *src, long width, long height,
(*dest)[row * dst_w + col] = brightness(src[row * width + col]);
}
break;
case 4: /* 16-bit packed RGB (5-6-5) */
for (row = 0; row < height; row++)
for (col = 0; col < width; col++)
{
unsigned short rgb =
(((src[row * width + col].rgbRed >> 3) << 11) |
((src[row * width + col].rgbGreen >> 2) << 5) |
((src[row * width + col].rgbBlue >> 3)));
(*dest)[row * dst_w + col] = rgb;
}
break;
}
return 0;
@ -369,8 +387,8 @@ int transform_bitmap(const struct RGBQUAD *src, long width, long height,
****************************************************************************/
void generate_c_source(char *id, long width, long height,
const unsigned char *t_bitmap, long t_width,
long t_height)
const unsigned short *t_bitmap, long t_width,
long t_height, int format)
{
FILE *f;
long i, a;
@ -382,15 +400,24 @@ void generate_c_source(char *id, long width, long height,
fprintf(f,
"#define BMPHEIGHT_%s %ld\n"
"#define BMPWIDTH_%s %ld\n"
"const unsigned char %s[] = {\n",
id, height, id, width, id);
"#define BMPWIDTH_%s %ld\n",
id, height, id, width);
if(format < 4)
fprintf(f, "const unsigned char %s[] = {\n", id);
else
fprintf(f, "const unsigned short %s[] = {\n", id);
for (i = 0; i < t_height; i++)
{
for (a = 0; a < t_width; a++)
{
if(format < 4)
fprintf(f, "0x%02x,%c", t_bitmap[i * t_width + a],
(a + 1) % 13 ? ' ' : '\n');
else
fprintf(f, "0x%04x,%c", t_bitmap[i * t_width + a],
(a + 1) % 10 ? ' ' : '\n');
}
fprintf(f, "\n");
}
@ -431,6 +458,7 @@ void print_usage(void)
"\t 1 Archos player graphics library\n"
"\t 2 Iriver H1x0 4-grey\n"
"\t 3 Canonical 8-bit grayscale\n"
"\t 4 16-bit packed 5-6-5 RGB (iriver H300)\n"
, APPLICATION_NAME);
printf("build date: " __DATE__ "\n\n");
}
@ -443,7 +471,7 @@ int main(int argc, char **argv)
int ascii = false;
int format = 0;
struct RGBQUAD *bitmap = NULL;
unsigned char *t_bitmap = NULL;
unsigned short *t_bitmap = NULL;
long width, height;
long t_width, t_height;
@ -544,7 +572,7 @@ int main(int argc, char **argv)
if (transform_bitmap(bitmap, width, height, format, &t_bitmap,
&t_width, &t_height))
exit(1);
generate_c_source(id, width, height, t_bitmap, t_width, t_height);
generate_c_source(id, width, height, t_bitmap, t_width, t_height, format);
}
return 0;