Extract app runtime tail, canvas camera shell, and preview sample services

src/legacy_app_runtime_shell_services.cpp

@@ -108,6 +108,75 @@ void App::update(float dt)
     pp::panopainter::update_legacy_canvas_toolbar(*this);
 }
 
+void App::clear()
+{
+    const auto status = pp::renderer::gl::clear_panopainter_default_target(
+        pp::renderer::gl::OpenGlClearDispatch {
+            .clear_color = pp::legacy::ui_gl::set_opengl_clear_color,
+            .clear = pp::legacy::ui_gl::clear_opengl_buffer,
+        });
+    if (!status.ok())
+        LOG("OpenGL clear failed: %s", status.message);
+}
+
+bool App::check_license()
+{
+    return true; // TODO: for distribuiton only
+
+#if WITH_CURL
+    CURL* curl = curl_easy_init();
+    if (curl)
+    {
+        std::string url = "https://panopainter.com/license/7565D057-ACBE-4721-9A4E-F342D3DDB7D8.php";
+        //std::string url = "https://panopainter.com/license/E8EDC2FE-E1BD-4AB1-91BD-FCCD926739BD.php"; // wacom
+        //std::string url = "https://panopainter.com/license/A744FBA9-BC6C-43C8-BD24-0CCE24B3D985.php"; // others
+
+        std::string ret;
+        curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+        curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1L);
+
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &ret);
+        //curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curl_data_handler);
+        curl_easy_setopt(curl, CURLOPT_TIMEOUT, 2L);
+        if (disables_network_tls_verification())
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
+
+        const auto err = curl_easy_perform(curl);
+        curl_easy_cleanup(curl);
+
+        LOG("License check: %s", ret.c_str());
+        if (err == CURLcode::CURLE_OK && ret == "success")
+            return true;
+    }
+#endif //CURL
+    return false;
+}
+
+void App::async_start()
+{
+    acquire_render_context();
+}
+
+void App::async_redraw()
+{
+    const auto plan = pp::app::plan_app_async_redraw();
+    if (plan.set_redraw)
+        redraw = true;
+    if (plan.notify_ui)
+        runtime_.notify_ui_worker();
+}
+
+void App::async_end()
+{
+    release_render_context();
+}
+
+void App::async_swap()
+{
+    present_render_context();
+}
+
 void App::terminate()
 {
     LOG("App::terminate");