Function WidgetFlatButtonDraw

src/openrct2-ui/interface/Widget.cpp:283–319

* * rct2: 0x006EB861 */

     *  rct2: 0x006EB861
     */
    static void WidgetFlatButtonDraw(RenderTarget& rt, WindowBase& w, WidgetIndex widgetIndex)
    {
        const auto& widget = w.widgets[widgetIndex];
        // First check is needed as this function handles both WidgetType::flatBtn and WidgetType::hiddenButton
        const bool alwaysDrawAs3d = widget.type == WidgetType::flatBtn && (ThemeGetFlags() & UITHEME_FLAG_USE_3D_IMAGE_BUTTONS);
        if (alwaysDrawAs3d || (!widgetIsDisabled(w, widgetIndex) && widgetIsHighlighted(w, widgetIndex)))
        {
            WidgetButtonDraw(rt, w, widgetIndex);
            return;
        }

        // Resolve the absolute ltrb
        ScreenRect rect{ w.windowPos + ScreenCoordsXY{ widget.left, widget.top },
                         w.windowPos + ScreenCoordsXY{ widget.right, widget.bottom } };

        auto colour = w.colours[widget.colour];

        // Check if the button is pressed down
        if (widgetIsPressed(w, widgetIndex) || isToolActive(w, widgetIndex))
        {
            // Dead code?
            if (static_cast<int32_t>(widget.image.GetIndex()) == -2)
            {
                // Draw border with no fill
                Rectangle::fillInset(
                    rt, rect, colour, Rectangle::BorderStyle::inset, Rectangle::FillBrightness::light,
                    Rectangle::FillMode::none);
                return;
            }

            // Draw the border with fill
            Rectangle::fillInset(rt, rect, colour, Rectangle::BorderStyle::inset);
        }

        // Draw image
        WidgetDrawImage(rt, w, widgetIndex);
    }

    /**
     *