错误处理

2026-08-16 17:53:46 +08:00
parent 00a3c54820
commit 8612b5ff86
47 changed files with 744 additions and 544 deletions
@@ -159,7 +159,9 @@ struct Web_Plot_Session::Impl {
        apply_layout(plot.viewport_size());
        plot.activate_view();
        update_model();
-        (void)plot.render_frame(true);
+        const auto initial_render = plot.render_frame(true);
+        if (initial_render != Plot_Render_Error::none)
+            plot.request_redraw();
    }
    ~Impl() {
        plot.deactivate_view();
@@ -266,7 +268,7 @@ struct Web_Plot_Session::Impl {
        if (!plot.view_active())
            return std::nullopt;
        update_model();
-        if (!plot.render_frame(true))
+        if (plot.render_frame(true) != Plot_Render_Error::none)
            return std::nullopt;
        std::string pixels;
        const Color background = plot.background_color();