示例#1
0
文件: gui.go 项目: billyninja/wander
func (gb *GUIBlock) Bake(renderer *sdl.Renderer) *sdl.Texture {

	finalTxtr, _ := renderer.CreateTexture(sdl.PIXELFORMAT_RGBA8888, sdl.TEXTUREACCESS_TARGET, 800, 600)
	originalTarget := renderer.GetRenderTarget()
	renderer.SetRenderTarget(finalTxtr)
	defer renderer.SetRenderTarget(originalTarget)

	renderer.SetDrawColor(1, 1, 1, 0)
	renderer.FillRect(gb.Pos)

	for _, el := range gb.Elements {
		println("Baking: ")
		println(el.Layer, el.Pos.X, el.Pos.Y)

		renderer.SetDrawColor(el.BGColor.R, el.BGColor.G, el.BGColor.B, el.BGColor.A)
		renderer.FillRect(el.Pos)

		for _, txt := range el.Texts {
			texture, W, H := txt.Bake(renderer)
			renderer.Copy(
				texture,
				&sdl.Rect{0, 0, W, H},
				&sdl.Rect{el.Pos.X + txt.RelPos.X, el.Pos.Y + txt.RelPos.Y, W, H})
		}
	}

	finalTxtr.SetBlendMode(sdl.BLENDMODE_BLEND)
	finalTxtr.SetAlphaMod(216)

	return finalTxtr
}