X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=tools%2Fbmp_logo.c;h=74fcadca63e17c60b19ecd3099478ba511744108;hb=ee6eabbedda47b4cff68861e34c21d992a4586e2;hp=8e728e23c3e4f0e63085342c2e944a29a62882cf;hpb=8655b6f8603f12099e534a10f7840630b3e93026;p=platform%2Fkernel%2Fu-boot.git diff --git a/tools/bmp_logo.c b/tools/bmp_logo.c index 8e728e2..74fcadc 100644 --- a/tools/bmp_logo.c +++ b/tools/bmp_logo.c @@ -1,15 +1,10 @@ -#include -#include - -#if defined(__linux__) -#include -#else -#ifdef __CYGWIN__ -#include "elf.h" -#else -#include -#endif -#endif +#include "compiler.h" + +enum { + MODE_GEN_INFO, + MODE_GEN_DATA, + MODE_GEN_BMP +}; typedef struct bitmap_s { /* bitmap description */ uint16_t width; @@ -20,6 +15,12 @@ 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|--gen-bmp] file\n", + prog); +} + /* * Neutralize little endians. */ @@ -40,47 +41,102 @@ 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; + int size; FILE *fp; bitmap_t bmp; bitmap_t *b = &bmp; - uint16_t n_colors; + uint16_t data_offset, n_colors, hdr_size; - 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 if (!strcmp(argv[1], "--gen-bmp")) + mode = MODE_GEN_BMP; + 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, 2); + if (fread(&hdr_size, sizeof(uint16_t), 1, fp) != 1) + error("Couldn't read bitmap header size", fp); + if (hdr_size < 40) + error("Invalid bitmap header", fp); + skip_bytes(fp, 2); + 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); - skip_bytes (fp, 6); + if (fread (&n_colors, sizeof (uint16_t), 1, fp) != 1) + error ("Couldn't read bitmap colors", fp); + skip_bytes(fp, hdr_size - 34); /* * 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); + size = b->width * b->height; /* assume we are working with an 8-bit file */ if ((n_colors == 0) || (n_colors > 256 - DEFAULT_CMAP_SIZE)) { @@ -88,31 +144,22 @@ 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); - - /* 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); - } + "#ifndef __BMP_LOGO_DATA_H__\n" + "#define __BMP_LOGO_DATA_H__\n\n"); /* 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); @@ -129,20 +176,40 @@ int main (int argc, char *argv[]) ); } + /* seek to offset indicated by file header */ + if (mode == MODE_GEN_BMP) { + /* copy full bmp file */ + fseek(fp, 0L, SEEK_END); + size = ftell(fp); + fseek(fp, 0L, SEEK_SET); + } else { + fseek(fp, (long)data_offset, SEEK_SET); + } + + /* allocate memory */ + b->data = (uint8_t *)malloc(size); + if (!b->data) + error("Error allocating memory for file", fp); + /* 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) \ + printf("unsigned char bmp_logo_bitmap[] = {\n"); + if (mode == MODE_GEN_BMP) { + /* write full bmp */ + for (i = 0; i < size; i++) + b->data[i] = (uint8_t)fgetc(fp); + } else { + for (i = (b->height - 1) * b->width; i >= 0; i -= b->width) { + for (x = 0; x < b->width; x++) { + b->data[i + x] = (uint8_t)fgetc(fp) + DEFAULT_CMAP_SIZE; + } } } - fclose (fp); - for (i=0; i<(b->height*b->width); ++i) { + for (i = 0; i < size; ++i) { if ((i%8) == 0) putchar ('\t'); printf ("0x%02X,%c", @@ -152,8 +219,10 @@ 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; }