Function export_masks

examples/main_image.cpp:301–309

}

static void export_masks(const app_state& app) {
    for (size_t i = 0; i < app.result.detections.size(); ++i) {
        char path[256];
        snprintf(path, sizeof(path), "mask_%02d.png", (int)i);
        if (sam3_save_mask(app.result.detections[i].mask, path)) {
            fprintf(stderr, "Exported %s\n", path);
        }
    }
}

// Convert screen position to image coordinates
static bool screen_to_image(const app_state& app, float sx, float sy,