Incompatibility with PDF transparency masks
Operating System: (if feature is platform specific)
Description of the feature
Please describe your feature with details.
Transparency masks extracted from PDFs are much stronger when applied in GIMP. Either
- A gamma correction config-option for masks is required. Or
- Some preconfigured distortion presets (ISO, SRGB, PDF/PS etc.) are needed in Color->Curves tool. Or
- Luma(gamma-corrected) or Luminance(linear) mode selection dialog can be popped up when adding a mask.
Use cases
Smooth transparencies in documents, when extracted and applied as a layer mask result in crisp edges. A gamma-manipulation with mask luminance is required in order to bring the transparency mask to normal.