Method render

forms/control.cpp:363–403

}

void Control::render()
{
	if (!Visible || Size.x == 0 || Size.y == 0)
	{
		return;
	}

	if (controlArea == nullptr || controlArea->size != Vec2<unsigned int>(Size))
	{
		this->dirty = true;
		controlArea.reset(new Surface{Vec2<unsigned int>(Size)});
	}
	if (this->dirty)
	{
		sp<Palette> previousPalette;
		if (this->palette)
		{
			previousPalette = fw().renderer->getPalette();
			fw().renderer->setPalette(this->palette);
		}

		RendererSurfaceBinding b(*fw().renderer, controlArea);
		onRender();
		postRender();
		if (this->palette)
		{
			fw().renderer->setPalette(previousPalette);
		}
	}

	this->dirty = false;

	if (Enabled)
	{
		fw().renderer->draw(controlArea, Location);
	}
	else
	{
		fw().renderer->drawTinted(controlArea, Location, Colour(255, 255, 255, 128));
	}
}

/**
 * Used if controls require computations before rendering.