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Transparency groups #244

otfried opened this issue May 1, 2019 · 0 comments

Transparency groups #244

otfried opened this issue May 1, 2019 · 0 comments


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@otfried otfried commented May 1, 2019

Support groups with "group opacity" as transparency groups.

This will require a significant rewrite of PdfWriter. Change it so that resources are written out when they are needed (i.e. while writing a page stream, push to write a transparency group into an XForm, then return to the page stream).

This could also solve the problem with #193 if resources are only added to the PDF file when they are actually used.

@otfried otfried self-assigned this May 1, 2019
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