Blend modes for transparency compositing.
Note: Requires PDF 1.4+ and ExtGState to use.
Instance methods
color?
Returns true if this enum value equals Color
color_burn?
Returns true if this enum value equals ColorBurn
color_dodge?
Returns true if this enum value equals ColorDodge
darken?
Returns true if this enum value equals Darken
difference?
Returns true if this enum value equals Difference
exclusion?
Returns true if this enum value equals Exclusion
hard_light?
Returns true if this enum value equals HardLight
hue?
Returns true if this enum value equals Hue
lighten?
Returns true if this enum value equals Lighten
luminosity?
Returns true if this enum value equals Luminosity
multiply?
Returns true if this enum value equals Multiply
normal?
Returns true if this enum value equals Normal
overlay?
Returns true if this enum value equals Overlay
saturation?
Returns true if this enum value equals Saturation
screen?
Returns true if this enum value equals Screen
soft_light?
Returns true if this enum value equals SoftLight