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Add help command line option
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1 changed files with 6 additions and 0 deletions
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@ -75,6 +75,7 @@
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void PrintUsage() {
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void PrintUsage() {
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fprintf(stderr, "Usage: tc [OPTIONS] imagefile\n");
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fprintf(stderr, "Usage: tc [OPTIONS] imagefile\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "\t-h|--help\tPrint this help.\n");
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fprintf(stderr, "\t-v\t\tVerbose mode: prints out Entropy, Mean Local Entropy, and MSSIM\n");
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fprintf(stderr, "\t-v\t\tVerbose mode: prints out Entropy, Mean Local Entropy, and MSSIM\n");
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fprintf(stderr, "\t-f <fmt>\tFormat to use. Either \"BPTC\", \"ETC1\", \"DXT1\", \"DXT5\", or \"PVRTC\". Default: BPTC\n");
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fprintf(stderr, "\t-f <fmt>\tFormat to use. Either \"BPTC\", \"ETC1\", \"DXT1\", \"DXT5\", or \"PVRTC\". Default: BPTC\n");
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fprintf(stderr, "\t-l\t\tSave an output log.\n");
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fprintf(stderr, "\t-l\t\tSave an output log.\n");
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@ -181,6 +182,11 @@ int main(int argc, char **argv) {
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continue;
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continue;
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}
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}
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if (strcmp(argv[fileArg], "-h") == 0 || strcmp(argv[fileArg], "--help") == 0) {
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PrintUsage();
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exit(0);
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}
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if (strcmp(argv[fileArg], "-d") == 0) {
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if (strcmp(argv[fileArg], "-d") == 0) {
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fileArg++;
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fileArg++;
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