Enumeration
VipsBlendMode
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
-
VIPS_BLEND_MODE_CLEAR -
Where the second object is drawn, the first is removed.
- Value:
0 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_SOURCE -
The second object is drawn as if nothing were below.
- Value:
1 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_OVER -
The image shows what you would expect if you held two semi-transparent slides on top of each other.
- Value:
2 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_IN -
The first object is removed completely, the second is only drawn where the first was.
- Value:
3 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_OUT -
The second is drawn only where the first isn’t.
- Value:
4 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_ATOP -
This leaves the first object mostly intact, but mixes both objects in the overlapping area.
- Value:
5 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_DEST -
Leaves the first object untouched, the second is discarded completely.
- Value:
6 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_DEST_OVER -
Like OVER, but swaps the arguments.
- Value:
7 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_DEST_IN -
Like IN, but swaps the arguments.
- Value:
8 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_DEST_OUT -
Like OUT, but swaps the arguments.
- Value:
9 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_DEST_ATOP -
Like ATOP, but swaps the arguments.
- Value:
10 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_XOR -
Something like a difference operator.
- Value:
11 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_ADD -
A bit like adding the two images.
- Value:
12 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_SATURATE -
A bit like the darker of the two.
- Value:
13 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_MULTIPLY -
At least as dark as the darker of the two inputs.
- Value:
14 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_SCREEN -
At least as light as the lighter of the inputs.
- Value:
15 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_OVERLAY -
Multiplies or screens colors, depending on the lightness.
- Value:
16 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_DARKEN -
The darker of each component.
- Value:
17 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_LIGHTEN -
The lighter of each component.
- Value:
18 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_COLOUR_DODGE -
Brighten first by a factor second.
- Value:
19 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_COLOUR_BURN -
Darken first by a factor of second.
- Value:
20 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_HARD_LIGHT -
Multiply or screen, depending on lightness.
- Value:
21 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_SOFT_LIGHT -
Darken or lighten, depending on lightness.
- Value:
22 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_DIFFERENCE -
Difference of the two.
- Value:
23 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_EXCLUSION -
Somewhat like DIFFERENCE, but lower-contrast.
- Value:
24 - Available since: 8.0
- Value:
-
VIPS_BLEND_MODE_LAST -
No description available.
- Value:
25 - Available since: 8.0
- Value: