text/label quality

Jay · Post by **Jay** » Sat Jan 31, 2004 4:29 am

Dave,

I need your help again for the text quality. It seems to me jfree chart package draws the text(label, category name, title, etc), instead of uses font file.( or probably does not scale well) Thus the text quality is not acceptable for commercial purpose. You may print out the charts in your sample web page to find out what I mean. http://www.jfree.org/jfreechart/samples.html

Also the outline of pie chart is not implement as line, but seems as matrix. Thus the edge is not sharp.

Are these problems all related to Jdk graphic 2d implementaion? Is there any way to fix this problem?

Thanks a lot.

Jay Chiu

arnaud · Post by **arnaud** » Mon Feb 02, 2004 9:55 am

Hello,

Please have a look at those topics : improve image quality/resolution on export and Bad quality when printing chart... [URGENT]
.

Regards,
Arnaud

Post by **david.gilbert** » Mon Feb 02, 2004 2:28 pm

Hi Arnaud,

I've transferred your image resolution RFE (777515) to the Patch manager and will try to get it integrated for 0.9.17. When I first looked at it, I didn't understand the point of it (and made the mistake of moving on to something else without asking you about it), but after reading the PNG spec I finally realised what it does. Remind me if I forget about it.

Jay · Post by **Jay** » Sun Feb 15, 2004 8:07 pm

I guess Arnaud's patch is only for saving image from chart GUI. As I use ChartUtilities.saveChartAsPNG() call directly to save the image, I have changed ChartUtilities class to save high solution png image.

When you release the next release of jfreechart, please add methods like:
ChartUtilities.saveChartAsHighSolutionPNG() and ChartUtilities.saveChartAsHighSolutionJPEG().

Thanks.

Post by **david.gilbert** » Mon Feb 16, 2004 9:59 am

I'll try.

nilesh · Post by **nilesh** » Tue Mar 16, 2004 11:47 am

jay can you share your high resolution png encode code

text/label quality

text/label quality

please share