[#PDF-90] Transparency Group Support - ICEsoft JIRA Issue Tracker

ICEpdf

Transparency Group Support

Created: 01/Dec/09 08:55 AM Updated: 29/Mar/12 11:51 AM

Component/s:

Core

Affects Version/s:

3.0

Fix Version/s:

4.1

File Attachments:

my.pdf (322 kB)

Image Attachments:

1. imageCapture1_0.gif
(59 kB)

Environment:

any

ICEsoft Forum Reference:	http://www.icefaces.org/JForum/posts/list/15118.page
Workaround Description:	none, paring issue.

Description

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External Graphics state transparency not correctly applied to an image on the first page. I did a quick analysis and we aren't carrying the CA and ca alpha values into the xform content stream. For future reference object 90 0 is responsible for the alpha value.

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Iqubal Mustafa added a comment - 01/Dec/09 09:36 AM

First one is the pdf, And second one the image of the pdf page where the image is not properly rendered.

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Patrick Corless added a comment - 18/Jun/10 08:29 AM

As part of a fix for ~~PDF-160~~ which adds improved support for transparency groups I managed to to correct the rendering issue with the document in question. We don't offer 100% support for transparency groups but the fix for ~~PDF-160~~ is a good step forward.