feat: supports correct UTF-8 printing on windows (#1101)

examples/server/main.cpp

@@ -151,12 +151,12 @@ struct SDSvrParams {
 
     bool process_and_check() {
         if (listen_ip.empty()) {
-            fprintf(stderr, "error: the following arguments are required: listen_ip\n");
+            LOG_ERROR("error: the following arguments are required: listen_ip");
             return false;
         }
 
         if (listen_port < 0 || listen_port > 65535) {
-            fprintf(stderr, "error: listen_port should be in the range [0, 65535]\n");
+            LOG_ERROR("error: listen_port should be in the range [0, 65535]");
             return false;
         }
         return true;
@@ -256,47 +256,9 @@ std::vector<uint8_t> write_image_to_vector(
     return buffer;
 }
 
-/* Enables Printing the log level tag in color using ANSI escape codes */
 void sd_log_cb(enum sd_log_level_t level, const char* log, void* data) {
     SDSvrParams* svr_params = (SDSvrParams*)data;
-    int tag_color;
-    const char* level_str;
-    FILE* out_stream = (level == SD_LOG_ERROR) ? stderr : stdout;
-
-    if (!log || (!svr_params->verbose && level <= SD_LOG_DEBUG)) {
-        return;
-    }
-
-    switch (level) {
-        case SD_LOG_DEBUG:
-            tag_color = 37;
-            level_str = "DEBUG";
-            break;
-        case SD_LOG_INFO:
-            tag_color = 34;
-            level_str = "INFO";
-            break;
-        case SD_LOG_WARN:
-            tag_color = 35;
-            level_str = "WARN";
-            break;
-        case SD_LOG_ERROR:
-            tag_color = 31;
-            level_str = "ERROR";
-            break;
-        default: /* Potential future-proofing */
-            tag_color = 33;
-            level_str = "?????";
-            break;
-    }
-
-    if (svr_params->color == true) {
-        fprintf(out_stream, "\033[%d;1m[%-5s]\033[0m ", tag_color, level_str);
-    } else {
-        fprintf(out_stream, "[%-5s] ", level_str);
-    }
-    fputs(log, out_stream);
-    fflush(out_stream);
+    log_print(level, log, svr_params->verbose, svr_params->color);
 }
 
 int main(int argc, const char** argv) {
@@ -306,19 +268,21 @@ int main(int argc, const char** argv) {
     parse_args(argc, argv, svr_params, ctx_params, default_gen_params);
 
     sd_set_log_callback(sd_log_cb, (void*)&svr_params);
+    log_verbose = svr_params.verbose;
+    log_color   = svr_params.color;
 
     if (svr_params.verbose) {
-        printf("%s", sd_get_system_info());
-        printf("%s\n", svr_params.to_string().c_str());
-        printf("%s\n", ctx_params.to_string().c_str());
-        printf("%s\n", default_gen_params.to_string().c_str());
+        LOG_INFO("%s", sd_get_system_info());
+        LOG_INFO("%s", svr_params.to_string().c_str());
+        LOG_INFO("%s", ctx_params.to_string().c_str());
+        LOG_INFO("%s", default_gen_params.to_string().c_str());
     }
 
     sd_ctx_params_t sd_ctx_params = ctx_params.to_sd_ctx_params_t(false, false, false);
     sd_ctx_t* sd_ctx              = new_sd_ctx(&sd_ctx_params);
 
     if (sd_ctx == nullptr) {
-        printf("new_sd_ctx_t failed\n");
+        LOG_ERROR("new_sd_ctx_t failed");
         return 1;
     }
 
@@ -431,9 +395,7 @@ int main(int argc, const char** argv) {
                 return;
             }
 
-            if (svr_params.verbose) {
-                printf("%s\n", gen_params.to_string().c_str());
-            }
+            LOG_DEBUG("%s\n", gen_params.to_string().c_str());
 
             sd_image_t init_image    = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 3, nullptr};
             sd_image_t control_image = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 3, nullptr};
@@ -490,7 +452,7 @@ int main(int argc, const char** argv) {
                                                          results[i].channel,
                                                          output_compression);
                 if (image_bytes.empty()) {
-                    printf("write image to mem failed\n");
+                    LOG_ERROR("write image to mem failed");
                     continue;
                 }
 
@@ -611,9 +573,7 @@ int main(int argc, const char** argv) {
                 return;
             }
 
-            if (svr_params.verbose) {
-                printf("%s\n", gen_params.to_string().c_str());
-            }
+            LOG_DEBUG("%s\n", gen_params.to_string().c_str());
 
             sd_image_t init_image    = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 3, nullptr};
             sd_image_t control_image = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 3, nullptr};
@@ -735,7 +695,7 @@ int main(int argc, const char** argv) {
         }
     });
 
-    printf("listening on: %s:%d\n", svr_params.listen_ip.c_str(), svr_params.listen_port);
+    LOG_INFO("listening on: %s:%d\n", svr_params.listen_ip.c_str(), svr_params.listen_port);
     svr.listen(svr_params.listen_ip, svr_params.listen_port);
 
     // cleanup