x/texture.go

package x

import "image"
import "git.tebibyte.media/tomo/tomo"
import "git.tebibyte.media/tomo/x/canvas"

type texture struct {
	*xcanvas.Texture
}

func (backend Backend) NewTexture (source image.Image) tomo.Texture {
	return texture {
		Texture: xcanvas.NewTextureFrom(source),
	}
}

func (this texture) Clip (bounds image.Rectangle) tomo.Texture {
	return texture {
		Texture: this.Texture.Clip(bounds),
	}
}

func assertTexture (unknown tomo.Texture) *texture {
	if tx, ok := unknown.(*texture); ok {
		return tx
	} else {
		panic("foregin texture implementation, i did not make this!")
	}
}