diff options
Diffstat (limited to 'tools/bmp_logo.c')
| -rw-r--r-- | tools/bmp_logo.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/tools/bmp_logo.c b/tools/bmp_logo.c deleted file mode 100644 index 98be617667..0000000000 --- a/tools/bmp_logo.c +++ /dev/null @@ -1,165 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> - -#if defined(__linux__) -#include <stdint.h> -#else -#ifdef __CYGWIN__ -#include "elf.h" -#else -#include <inttypes.h> -#endif -#endif - -typedef struct bitmap_s { /* bitmap description */ - uint16_t width; - uint16_t height; - uint8_t palette[256*3]; - uint8_t *data; -} bitmap_t; - -#define DEFAULT_CMAP_SIZE 16 /* size of default color map */ - -/* - * Neutralize little endians. - */ -uint16_t le_short(uint16_t x) -{ - uint16_t val; - uint8_t *p = (uint8_t *)(&x); - - val = (*p++ & 0xff) << 0; - val |= (*p & 0xff) << 8; - - return val; -} - -void skip_bytes (FILE *fp, int n) -{ - while (n-- > 0) - fgetc (fp); -} - -int main (int argc, char *argv[]) -{ - int i, x; - FILE *fp; - bitmap_t bmp; - bitmap_t *b = &bmp; - uint16_t data_offset, n_colors; - - if (argc < 2) { - fprintf (stderr, "Usage: %s file\n", argv[0]); - exit (EXIT_FAILURE); - } - - if ((fp = fopen (argv[1], "rb")) == NULL) { - perror (argv[1]); - exit (EXIT_FAILURE); - } - - if (fgetc (fp) != 'B' || fgetc (fp) != 'M') { - fprintf (stderr, "%s is not a bitmap file.\n", argv[1]); - exit (EXIT_FAILURE); - } - - /* - * read width and height of the image, and the number of colors used; - * ignore the rest - */ - skip_bytes (fp, 8); - fread (&data_offset, sizeof (uint16_t), 1, fp); - skip_bytes (fp, 6); - fread (&b->width, sizeof (uint16_t), 1, fp); - skip_bytes (fp, 2); - fread (&b->height, sizeof (uint16_t), 1, fp); - skip_bytes (fp, 22); - fread (&n_colors, sizeof (uint16_t), 1, fp); - skip_bytes (fp, 6); - - /* - * Repair endianess. - */ - data_offset = le_short(data_offset); - b->width = le_short(b->width); - b->height = le_short(b->height); - n_colors = le_short(n_colors); - - /* assume we are working with an 8-bit file */ - if ((n_colors == 0) || (n_colors > 256 - DEFAULT_CMAP_SIZE)) { - /* reserve DEFAULT_CMAP_SIZE color map entries for default map */ - n_colors = 256 - DEFAULT_CMAP_SIZE; - } - - printf ("/*\n" - " * Automatically generated by \"tools/bmp_logo\"\n" - " *\n" - " * DO NOT EDIT\n" - " *\n" - " */\n\n\n" - "#ifndef __BMP_LOGO_H__\n" - "#define __BMP_LOGO_H__\n\n" - "#define BMP_LOGO_WIDTH\t\t%d\n" - "#define BMP_LOGO_HEIGHT\t\t%d\n" - "#define BMP_LOGO_COLORS\t\t%d\n" - "#define BMP_LOGO_OFFSET\t\t%d\n" - "\n", - b->width, b->height, n_colors, - DEFAULT_CMAP_SIZE); - - /* allocate memory */ - if ((b->data = (uint8_t *)malloc(b->width * b->height)) == NULL) { - fclose (fp); - printf ("Error allocating memory for file %s.\n", argv[1]); - exit (EXIT_FAILURE); - } - - /* read and print the palette information */ - printf ("unsigned short bmp_logo_palette[] = {\n"); - - for (i=0; i<n_colors; ++i) { - b->palette[(int)(i*3+2)] = fgetc(fp); - b->palette[(int)(i*3+1)] = fgetc(fp); - b->palette[(int)(i*3+0)] = fgetc(fp); - x=fgetc(fp); - - printf ("%s0x0%X%X%X,%s", - ((i%8) == 0) ? "\t" : " ", - (b->palette[(int)(i*3+0)] >> 4) & 0x0F, - (b->palette[(int)(i*3+1)] >> 4) & 0x0F, - (b->palette[(int)(i*3+2)] >> 4) & 0x0F, - ((i%8) == 7) ? "\n" : "" - ); - } - - /* seek to offset indicated by file header */ - fseek(fp, (long)data_offset, SEEK_SET); - - /* read the bitmap; leave room for default color map */ - printf ("\n"); - printf ("};\n"); - printf ("\n"); - printf ("unsigned char bmp_logo_bitmap[] = {\n"); - for (i=(b->height-1)*b->width; i>=0; i-=b->width) { - for (x = 0; x < b->width; x++) { - b->data[(uint16_t) i + x] = (uint8_t) fgetc (fp) \ - + DEFAULT_CMAP_SIZE; - } - } - fclose (fp); - - for (i=0; i<(b->height*b->width); ++i) { - if ((i%8) == 0) - putchar ('\t'); - printf ("0x%02X,%c", - b->data[i], - ((i%8) == 7) ? '\n' : ' ' - ); - } - printf ("\n" - "};\n\n" - "#endif /* __BMP_LOGO_H__ */\n" - ); - - return (0); -} |