Method Image.Image()->modify_by_intensity()

Method modify_by_intensity

object modify_by_intensity(int r, int g, int b, int|array(int) ... vn)

Description

Recolor an image from intensity values.

For each color an intensity is calculated, from r, g and b factors (see grey), this gives a value between 0 and max.

The color is then calculated from the values given, v1 representing the intensity value of 0, vn representing max, and colors between representing intensity values between, linear.

original	->grey()->modify_by_intensity(1,0,0, 0,({255,0,0}),({0,255,0}));

Parameter r

Parameter g

Parameter b

red, green, blue intensity factors

Parameter v1

Parameter vn

destination color

Returns

the new image object

See also

grey, `*, color