first draft of func Palette in jpeg format #31

	"image/color"

)

// Palette builds an image with all the colors present in the theme array.

func Palette(m *image.RGBA, theme []color.RGBA) {

	size := m.Bounds().Size()

	numColors := len(theme)

	quadrant := size.X / numColors

	for x := 0; x < size.X; x++ {

		currentQuadrant := (x / quadrant) % numColors

		for y := 0; y < size.Y; y++ {

			m.Set(x, y, theme[currentQuadrant])

		}

	}

}