Enumeration

VipsBlendMode

Declaration

enum Vips.BlendMode

Description [src]

The various Porter-Duff and PDF blend modes. See vips_composite(), for example.

The Cairo docs have a nice explanation of all the blend modes:

https://www.cairographics.org/operators

The non-separable modes are not implemented.

Members

Name	Description
`VIPS_BLEND_MODE_CLEAR`	Where the second object is drawn, the first is removed.
`VIPS_BLEND_MODE_SOURCE`	The second object is drawn as if nothing were below.
`VIPS_BLEND_MODE_OVER`	The image shows what you would expect if you held two semi-transparent slides on top of each other.
`VIPS_BLEND_MODE_IN`	The first object is removed completely, the second is only drawn where the first was.
`VIPS_BLEND_MODE_OUT`	The second is drawn only where the first isn’t.
`VIPS_BLEND_MODE_ATOP`	This leaves the first object mostly intact, but mixes both objects in the overlapping area.
`VIPS_BLEND_MODE_DEST`	Leaves the first object untouched, the second is discarded completely.
`VIPS_BLEND_MODE_DEST_OVER`	Like OVER, but swaps the arguments.
`VIPS_BLEND_MODE_DEST_IN`	Like IN, but swaps the arguments.
`VIPS_BLEND_MODE_DEST_OUT`	Like OUT, but swaps the arguments.
`VIPS_BLEND_MODE_DEST_ATOP`	Like ATOP, but swaps the arguments.
`VIPS_BLEND_MODE_XOR`	Something like a difference operator.
`VIPS_BLEND_MODE_ADD`	A bit like adding the two images.
`VIPS_BLEND_MODE_SATURATE`	A bit like the darker of the two.
`VIPS_BLEND_MODE_MULTIPLY`	At least as dark as the darker of the two inputs.
`VIPS_BLEND_MODE_SCREEN`	At least as light as the lighter of the inputs.
`VIPS_BLEND_MODE_OVERLAY`	Multiplies or screens colors, depending on the lightness.
`VIPS_BLEND_MODE_DARKEN`	The darker of each component.
`VIPS_BLEND_MODE_LIGHTEN`	The lighter of each component.
`VIPS_BLEND_MODE_COLOUR_DODGE`	Brighten first by a factor second.
`VIPS_BLEND_MODE_COLOUR_BURN`	Darken first by a factor of second.
`VIPS_BLEND_MODE_HARD_LIGHT`	Multiply or screen, depending on lightness.
`VIPS_BLEND_MODE_SOFT_LIGHT`	Darken or lighten, depending on lightness.
`VIPS_BLEND_MODE_DIFFERENCE`	Difference of the two.
`VIPS_BLEND_MODE_EXCLUSION`	Somewhat like DIFFERENCE, but lower-contrast.
`VIPS_BLEND_MODE_LAST`	No description available.