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DynaPDF.GetDocUsesTransparency
Checks whether this document uses transparency.
| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
| DynaPDF | 8.2 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
MBS( "DynaPDF.GetDocUsesTransparency"; PDF { ; Flags } ) More
Parameters
| Parameter | Description | Example | Flags |
|---|---|---|---|
| The PDF reference returned from DynaPDF.New. | |||
| Flags | Flags for check. | Optional |
Result
Returns 1, 0 or error.
Description
Checks whether this document uses transparency.Checks whether a PDF file uses native PDF Transparency (PDF 1.4). The file uses transparency when it contains soft masks, blend modes other than Normal, or fill or stroke alpha values smaller than 1.0.
The function checks all pages, templates, extended graphics states, images, annotations, and form fields.
If the file uses transparency the return value is 1. If it uses no transparency the return value is 0.
See also GetDocUsesTransparency function in DynaPDF manual.
See also
This function checks for a license.
Created 8th May 2018, last changed 8th May 2018
