diff options
-rw-r--r-- | tools/easylogo/easylogo.c | 125 |
1 files changed, 71 insertions, 54 deletions
diff --git a/tools/easylogo/easylogo.c b/tools/easylogo/easylogo.c index 080bea9..c20e6a7 100644 --- a/tools/easylogo/easylogo.c +++ b/tools/easylogo/easylogo.c @@ -7,6 +7,8 @@ ** This is still under construction! */ +#include <getopt.h> +#include <stdbool.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -216,15 +218,10 @@ int image_load_tga (image_t * image, char *filename) return 0; } -int image_free (image_t * image) +void image_free (image_t * image) { - if (image->data != NULL) - free (image->data); - - if (image->palette != NULL) - free (image->palette); - - return 0; + free (image->data); + free (image->palette); } int image_rgb_to_yuyv (image_t * rgb_image, image_t * yuyv_image) @@ -353,59 +350,76 @@ int image_save_header (image_t * image, char *filename, char *varname) #define DEF_FILELEN 256 +static void usage (int exit_status) +{ + puts ( + "EasyLogo 1.0 (C) 2000 by Paolo Scaffardi\n" + "\n" + "Syntax: easylogo [options] inputfile [outputvar [outputfile]]\n" + "\n" + "Options:\n" + " -r Output RGB instead of YUYV\n" + " -h Help output\n" + "\n" + "Where: 'inputfile' is the TGA image to load\n" + " 'outputvar' is the variable name to create\n" + " 'outputfile' is the output header file (default is 'inputfile.h')" + ); + exit (exit_status); +} + int main (int argc, char *argv[]) { + int c; + bool use_rgb = false; char inputfile[DEF_FILELEN], outputfile[DEF_FILELEN], varname[DEF_FILELEN]; image_t rgb_logo, yuyv_logo; - switch (argc) { - case 2: - case 3: - case 4: - strcpy (inputfile, argv[1]); - - if (argc > 2) - strcpy (varname, argv[2]); - else { - char *dot = strchr (inputfile, '.'); - int pos = dot - inputfile; - - if (dot) { - strncpy (varname, inputfile, pos); - varname[pos] = 0; - } - } - - if (argc > 3) - strcpy (outputfile, argv[3]); - else { - char *dot = strchr (varname, '.'); - int pos = dot - varname; - - if (dot) { - char app[DEF_FILELEN]; - - strncpy (app, varname, pos); - app[pos] = 0; - sprintf (outputfile, "%s.h", app); - } + while ((c = getopt(argc, argv, "hr")) > 0) { + switch (c) { + case 'h': + usage (0); + break; + case 'r': + use_rgb = true; + puts ("Using 24-bit RGB Output Fromat"); + break; + default: + usage (1); + break; } - break; - - default: - printf ("EasyLogo 1.0 (C) 2000 by Paolo Scaffardi\n\n"); + } - printf("Syntax: easylogo inputfile [outputvar {outputfile}] \n"); - printf("\n"); - printf("Where: 'inputfile' is the TGA image to load\n"); - printf(" 'outputvar' is the variable name to create\n"); - printf(" 'outputfile' is the output header file (default is 'inputfile.h')\n"); + c = argc - optind; + if (c > 4 || c < 1) + usage (1); + + strcpy (inputfile, argv[optind]); + + if (c > 1) + strcpy (varname, argv[optind + 1]); + else { + /* transform "input.tga" to just "input" */ + char *dot; + strcpy (varname, inputfile); + dot = strchr (varname, '.'); + if (dot) + *dot = '\0'; + } - return -1; + if (c > 2) + strcpy (outputfile, argv[optind + 2]); + else { + /* just append ".h" to input file name */ + strcpy (outputfile, inputfile); + strcat (outputfile, ".h"); } + /* Make sure the output is sent as soon as we printf() */ + setbuf(stdout, NULL); + printf ("Doing '%s' (%s) from '%s'...", outputfile, varname, inputfile); @@ -417,20 +431,23 @@ int main (int argc, char *argv[]) exit (1); } - /* Convert it to YUYV format */ + /* Convert it to YUYV format if wanted */ - printf ("C"); - image_rgb_to_yuyv (&rgb_logo, &yuyv_logo); + if (!use_rgb) { + printf ("C"); + image_rgb_to_yuyv (&rgb_logo, &yuyv_logo); + } /* Save it into a header format */ printf ("S"); - image_save_header (&yuyv_logo, outputfile, varname); + image_save_header (use_rgb ? &rgb_logo : &yuyv_logo, outputfile, varname); /* Free original image and copy */ image_free (&rgb_logo); - image_free (&yuyv_logo); + if (!use_rgb) + image_free (&yuyv_logo); printf ("\n"); |