The blend modes are used when composing images, the operations combine the color data with an alpha channel. The operations are called the Porter-Duff blending operations.
For a detailed explanation see the PDF reference manual.
| Member Name | Description |
|---|---|
| Clear | Sets R to zero. |
| Color | |
| ColorBurn | |
| ColorDodge | |
| Copy | Copies the source color with alpha to the target. |
| Darken | |
| DestinationAtop | |
| DestinationIn | |
| DestinationOut | |
| DestinationOver | |
| Difference | |
| Exclusion | |
| HardLight | |
| Hue | |
| Lighten | |
| Luminosity | |
| Multiply | |
| Normal | |
| Overlay | |
| PlusDarker | |
| PlusLighter | |
| Saturation | |
| Screen | |
| SoftLight | |
| SourceAtop | |
| SourceIn | |
| SourceOut | |
| XOR |