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                        Scripting API | 
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                    Enumeration Description | 
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Transparency | 
        
| Script Name: | Description: | ||
| None | no transparency | ||
| Existing | existing image or layer | Default | |
| InsideSelection | inside the current selection | ||
| OutsideSelection | outside the current selection | ||
| MatchColor | match a defined color | ||
| ExistingAlpha | existing alpha channel |