tomo-old/artist/patterns/uniform.go

package patterns

import "image"
import "image/color"
import "git.tebibyte.media/sashakoshka/tomo/canvas"
import "git.tebibyte.media/sashakoshka/tomo/artist/shapes"

// Uniform is a pattern that draws a solid color.
type Uniform color.RGBA

// Draw fills the clipping rectangle with the pattern's color.
func (pattern Uniform) Draw (destination canvas.Canvas, clip image.Rectangle) {
	shapes.FillColorRectangle(destination, color.RGBA(pattern), clip)
}

// Uhex creates a new Uniform pattern from an RGBA integer value.
func Uhex (color uint32) (uniform Uniform) {
	return Uniform(hex(color))
}

func hex (color uint32) (c color.RGBA) {
	c.A = uint8(color)
	c.B = uint8(color >>  8)
	c.G = uint8(color >> 16)
	c.R = uint8(color >> 24)
	return
}