Function WidgetTabDraw

src/openrct2-ui/interface/Widget.cpp:234–277

* * rct2: 0x006EB806 */

     *  rct2: 0x006EB806
     */
    static void WidgetTabDraw(RenderTarget& rt, WindowBase& w, WidgetIndex widgetIndex)
    {
        // Get the widget
        auto& widget = w.widgets[widgetIndex];

        if (widget.type != WidgetType::tab && widget.image.GetIndex() == kImageIndexUndefined)
            return;

        if (widget.type == WidgetType::tab)
        {
            if (widgetIsDisabled(w, widgetIndex))
                return;

            if (widget.image.GetIndex() == kImageIndexUndefined)
            {
                // Set standard tab sprite to use.
                widget.image = ImageId(SPR_TAB, FilterPaletteID::paletteNull);
            }
        }

        // Draw widgets that aren't explicitly disabled.
        if (!widgetIsDisabled(w, widgetIndex))
        {
            WidgetDrawImage(rt, w, widgetIndex);
            return;
        }

        if (widget.type != WidgetType::trnBtn)
        {
            WidgetDrawImage(rt, w, widgetIndex);
            return;
        }

        // Resolve the absolute ltrb
        auto leftTop = w.windowPos + ScreenCoordsXY{ widget.left, widget.top };

        // Get the colour and disabled image
        auto colour = w.colours[widget.colour].colour;
        const auto newIndex = widget.image.GetIndex() + 2;
        auto image = widget.image.WithIndex(newIndex).WithPrimary(colour);

        // Draw disabled image
        GfxDrawSprite(rt, image, leftTop);
    }

    /**
     *