murat/ccolors
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implement custom output path flag and integration tests

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This commit is contained in:
murat
2026-08-08 12:22:44 +03:00
parent f42059fc61
commit 4c48af7679
2 changed files with 47 additions and 5 deletions
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main.cpp
+17 -5
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@@ -25,23 +25,30 @@ struct Bucket {
int main(int argc, char *argv[]) {
bool quiet = false;
std::string output_path = "palette.json";
std::string imagefile;
for (int i = 1; i < argc; i++) {
std::string arg = argv[i];
if (arg == "--help" || arg == "-h") {
cout <<
cout <<
"ccolors - extract color palette from images\n\n"
"Usage:\n"
" " << argv[0] << " <image> [options]\n\n"
"Options:\n"
" -h, --help Show this help page\n"
" -q, --quiet Suppress terminal output (JSON is still written)\n\n"
" -h, --help Show this help page\n"
" -q, --quiet Suppress terminal output (JSON is still written)\n"
" -o, --output <file> Write JSON palette to <file> (default: palette.json)\n\n"
"Output:\n"
" Prints dominant colors as HEX and terminal swatches\n"
" Also writes palette.json\n";
" Also writes palette.json (or the path given with -o)\n";
return 0;
} else if (arg == "--quiet" || arg == "-q") {
quiet = true;
} else if ((arg == "--output" || arg == "-o") && i + 1 < argc) {
output_path = argv[++i];
} else if ((arg == "--output" || arg == "-o") && i + 1 >= argc) {
cout << "Option " << arg << " requires an argument.\n";
return 1;
} else if (imagefile.empty()) {
imagefile = arg;
} else {
@@ -167,7 +174,12 @@ int main(int argc, char *argv[]) {
int paletteSize = std::min(5, (int)buckets.size());
std::ofstream json("palette.json");
std::ofstream json(output_path);
if (!json) {
cout << "Cannot open output file: " << output_path << "\n";
stbi_image_free(data);
return 1;
}
json << "{\n";
json << " \"image\": \"" << imagefile << "\",\n";