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Home » Eclipse Projects » BIRT » Some text in charts are not anti-aliased
Some text in charts are not anti-aliased [message #885853] Wed, 13 June 2012 18:15 Go to next message
Shannon Hardt is currently offline Shannon Hardt
Messages: 4
Registered: June 2012
Junior Member
When rendering a chart in a report, some of the text is anti-aliased and some is not. The title, for example, is anti-aliased. However, the axis labels, series labels, and legend entries are not (see attached file). Is there a way to force all text to be anti-aliased for charts?

I am using BIRT 3.7.2.
Re: Some text in charts are not anti-aliased [message #885889 is a reply to message #885853] Wed, 13 June 2012 20:09 Go to previous messageGo to next message
Shannon Hardt is currently offline Shannon Hardt
Messages: 4
Registered: June 2012
Junior Member
UPDATE: The behavior described above was for the report viewer in eclipse. When I deployed to tomcat and rendered the report using the web viewer, all chart text was anti-aliased correctly. Looks like the behavior is specific to the viewer within eclipse.
Re: Some text in charts are not anti-aliased [message #885916 is a reply to message #885889] Wed, 13 June 2012 21:22 Go to previous messageGo to next message
Jason Weathersby is currently offline Jason Weathersby
Messages: 9167
Registered: July 2009
Senior Member

Thanks for the update. What output format are you using for the chart?

Jason

On 6/13/2012 4:09 PM, Shannon Hardt wrote:
> UPDATE: The behavior described above was for the report viewer in
> eclipse. When I deployed to tomcat and rendered the report using the web
> viewer, all chart text was anti-aliased correctly. Looks like the
> behavior is specific to the viewer within eclipse.
Re: Some text in charts are not anti-aliased [message #886755 is a reply to message #885916] Fri, 15 June 2012 15:21 Go to previous messageGo to next message
Shannon Hardt is currently offline Shannon Hardt
Messages: 4
Registered: June 2012
Junior Member
I have tried SVG, JPG, PNG, and BMP as output formats for the chart.

When I render the report with output format PNG in web viewer, it also renders the chart with text that is not anti-aliased. However, when I render it with SVG in the web viewer, the fonts are anti-aliased. Same behavior on export to PDF - with SVG output format, fonts look good - otherwise, they do not.

Perhaps the browser/pdf viewer knows how to render the fonts properly for SVG-defined images, but when the report engine generates a binary image file it does not?

Also, I am running on Mac OS X 10.7.3.

[Updated on: Fri, 15 June 2012 15:49]

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Re: Some text in charts are not anti-aliased [message #886840 is a reply to message #886755] Fri, 15 June 2012 17:59 Go to previous messageGo to next message
Jason Weathersby is currently offline Jason Weathersby
Messages: 9167
Registered: July 2009
Senior Member

Can you open a bugzilla entry for this?

Jason

On 6/15/2012 11:21 AM, Shannon Hardt wrote:
> I have tried SVG, JPG, PNG as output formats for the chart.
Re: Some text in charts are not anti-aliased [message #886929 is a reply to message #886840] Fri, 15 June 2012 21:07 Go to previous message
Shannon Hardt is currently offline Shannon Hardt
Messages: 4
Registered: June 2012
Junior Member
Jason,

I opened bug 382776 (bugs.eclipse.org/bugs/show_bug.cgi?id=382776).

Thanks,
Shannon
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