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Why the PDF page layer missed and color changed?

There are 2 Render Engines built in FlipBook Creator for HTML5. You may not understand what they do. However when you encounter the problem that PDF layer and color changed they could help. It is no need to understand how it works. Anyway, you can change Render Engine when the imported PDF color changed or layer missed.

1 Start FlipBook Creator for HTML5, clicks on Import PDF to build a new project.

2 Look at the Render Engine part, and click on button Application.




3 You see 2 options:
Inner Library: Faster convert speed.
GPL Ghostscript: Higher color transfer quality.
If you have trouble of PDF page changed after imported, you could switch Render Engine between Inner Library and GPL Ghostscript.