Function drawImage

src/OpenLoco/src/Ui/Widgets/ImageButtonWidget.cpp:11–66

0x004CADE8

{
    // 0x004CADE8
    static void drawImage(Gfx::DrawingContext& drawingCtx, const Widget& widget, const WidgetState& widgetState)
    {
        auto* window = widgetState.window;

        const auto pos = window->position() + widget.position();

        const bool isColourSet = widget.image & Widget::kImageIdColourSet;
        ImageId imageId = ImageId::fromUInt32(widget.image & ~Widget::kImageIdColourSet);

        auto colour = widgetState.colour;
        if (widgetState.disabled)
        {
            // TODO: this is odd most likely this is another flag like Widget::kImageIdColourSet
            if (imageId.hasSecondary())
            {
                return;
            }

            // No colour applied image
            const auto pureImage = ImageId{ imageId.getIndex() };
            uint8_t c;
            if (colour.isTranslucent())
            {
                c = Colours::getShade(colour.c(), 4);
                drawingCtx.drawImageSolid(pos + Ui::Point{ 1, 1 }, pureImage, c);
                c = Colours::getShade(colour.c(), 2);
                drawingCtx.drawImageSolid(pos, pureImage, c);
            }
            else
            {
                c = Colours::getShade(colour.c(), 6);
                drawingCtx.drawImageSolid(pos + Ui::Point{ 1, 1 }, pureImage, c);
                c = Colours::getShade(colour.c(), 4);
                drawingCtx.drawImageSolid(pos, pureImage, c);
            }

            return;
        }

        if (!isColourSet && imageId.hasSecondary())
        {
            imageId = imageId.withSecondary(colour.c());
        }

        if (!isColourSet && imageId.hasPrimary())
        {
            imageId = imageId.withPrimary(colour.c());
        }

        if (!isColourSet)
        {
            imageId = ImageId::fromUInt32(Gfx::recolour(imageId.getIndex(), colour.c()));
        }

        drawingCtx.drawImage(pos, imageId);
    }

    static void draw_3(Gfx::DrawingContext& drawingCtx, const Widget& widget, const WidgetState& widgetState)