X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=tools%2Fbmp_logo.c;h=2247adcc82ec1ebad5070eab61fb559991a731c3;hb=6a44d80634f7bf78182f5988ed0b93f2349a25ce;hp=2421b825cb00a378880b18df5d406bd85e6a43a6;hpb=8bde7f776c77b343aca29b8c7b58464d915ac245;p=karo-tx-uboot.git diff --git a/tools/bmp_logo.c b/tools/bmp_logo.c index 2421b825cb..2247adcc82 100644 --- a/tools/bmp_logo.c +++ b/tools/bmp_logo.c @@ -1,20 +1,9 @@ -#include -#include - -#if defined(__linux__) -#include -#else -#ifdef __CYGWIN__ -#include "elf.h" -#else -#include -#endif -#endif - -#ifdef __CYGWIN__ -typedef unsigned short ushort; -#endif /* __CYGWIN__ */ +#include "compiler.h" +enum { + MODE_GEN_INFO, + MODE_GEN_DATA +}; typedef struct bitmap_s { /* bitmap description */ uint16_t width; @@ -25,6 +14,11 @@ typedef struct bitmap_s { /* bitmap description */ #define DEFAULT_CMAP_SIZE 16 /* size of default color map */ +void usage(const char *prog) +{ + fprintf(stderr, "Usage: %s [--gen-info|--gen-data] file\n", prog); +} + /* * Neutralize little endians. */ @@ -45,44 +39,90 @@ void skip_bytes (FILE *fp, int n) fgetc (fp); } +__attribute__ ((__noreturn__)) +int error (char * msg, FILE *fp) +{ + fprintf (stderr, "ERROR: %s\n", msg); + + fclose (fp); + + exit (EXIT_FAILURE); +} + +void gen_info(bitmap_t *b, uint16_t n_colors) +{ + 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" + "extern unsigned short bmp_logo_palette[];\n" + "extern unsigned char bmp_logo_bitmap[];\n\n" + "#endif /* __BMP_LOGO_H__ */\n", + b->width, b->height, n_colors, + DEFAULT_CMAP_SIZE); +} + int main (int argc, char *argv[]) { - int i, x; + int mode, i, x; FILE *fp; bitmap_t bmp; bitmap_t *b = &bmp; - uint16_t n_colors; + uint16_t data_offset, n_colors; - if (argc < 2) { - fprintf (stderr, "Usage: %s file\n", argv[0]); + if (argc < 3) { + usage(argv[0]); exit (EXIT_FAILURE); } - if ((fp = fopen (argv[1], "rb")) == NULL) { - perror (argv[1]); - exit (EXIT_FAILURE); + if (!strcmp(argv[1], "--gen-info")) + mode = MODE_GEN_INFO; + else if (!strcmp(argv[1], "--gen-data")) + mode = MODE_GEN_DATA; + else { + usage(argv[0]); + exit(EXIT_FAILURE); } - if (fgetc (fp) != 'B' || fgetc (fp) != 'M') { - fprintf (stderr, "%s is not a bitmap file.\n", argv[1]); + fp = fopen(argv[2], "rb"); + if (!fp) { + perror(argv[2]); exit (EXIT_FAILURE); } + if (fgetc (fp) != 'B' || fgetc (fp) != 'M') + error ("Input file is not a bitmap", fp); + /* * read width and height of the image, and the number of colors used; * ignore the rest */ - skip_bytes (fp, 16); - fread (&b->width, sizeof (uint16_t), 1, fp); + skip_bytes (fp, 8); + if (fread (&data_offset, sizeof (uint16_t), 1, fp) != 1) + error ("Couldn't read bitmap data offset", fp); + skip_bytes (fp, 6); + if (fread (&b->width, sizeof (uint16_t), 1, fp) != 1) + error ("Couldn't read bitmap width", fp); skip_bytes (fp, 2); - fread (&b->height, sizeof (uint16_t), 1, fp); + if (fread (&b->height, sizeof (uint16_t), 1, fp) != 1) + error ("Couldn't read bitmap height", fp); skip_bytes (fp, 22); - fread (&n_colors, sizeof (uint16_t), 1, fp); + if (fread (&n_colors, sizeof (uint16_t), 1, fp) != 1) + error ("Couldn't read bitmap colors", 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); @@ -93,31 +133,26 @@ int main (int argc, char *argv[]) n_colors = 256 - DEFAULT_CMAP_SIZE; } - printf ("/*\n" + if (mode == MODE_GEN_INFO) { + gen_info(b, n_colors); + goto out; + } + + 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); + "#ifndef __BMP_LOGO_DATA_H__\n" + "#define __BMP_LOGO_DATA_H__\n\n"); /* 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); - } + if ((b->data = (uint8_t *)malloc(b->width * b->height)) == NULL) + error ("Error allocating memory for file", fp); /* read and print the palette information */ - printf ("unsigned short bmp_logo_palette[] = {\n"); + printf("unsigned short bmp_logo_palette[] = {\n"); for (i=0; ipalette[(int)(i*3+2)] = fgetc(fp); @@ -125,39 +160,29 @@ int main (int argc, char *argv[]) b->palette[(int)(i*3+0)] = fgetc(fp); x=fgetc(fp); -#if 0 - if ((i%4) == 0) - putchar ('\t'); - printf ("0x%02X, 0x%02X, 0x%02X,%s", - b->palette[(int)(i*3+0)], - b->palette[(int)(i*3+1)], - b->palette[(int)(i*3+2)], - ((i%4) == 3) ? "\n" : " " - ); -#else - if ((i%8) == 0) - putchar ('\t'); - printf ("0x0%X%X%X,%s", + 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" : " " + ((i%8) == 7) ? "\n" : "" ); -#endif } + /* 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"); + 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) \ + b->data[i + x] = (uint8_t) fgetc(fp) + DEFAULT_CMAP_SIZE; } } - fclose (fp); for (i=0; i<(b->height*b->width); ++i) { if ((i%8) == 0) @@ -169,8 +194,10 @@ int main (int argc, char *argv[]) } printf ("\n" "};\n\n" - "#endif /* __BMP_LOGO_H__ */\n" + "#endif /* __BMP_LOGO_DATA_H__ */\n" ); - return (0); +out: + fclose(fp); + return 0; }