Blend the fill color with the image pixels. The opacityRed, opacityGreen, opacityBlue and opacityAlpha arguments are the percentage to blend with the red, green, blue and alpha channels.
See Implementation
Blend the fill color with the image pixels. The opacityRed, opacityGreen, opacityBlue and opacityAlpha arguments are the percentage to blend with the red, green, blue and alpha channels.