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ashar11
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Blurred PDF Images
May 4th, 2020 at 12:10pm
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Hi,

I am trying to export pdf using the PDFEXPORTER function in wpf, only issue after exporting it successfully is, images got blurred. I also used JpegImageQuality but there is no difference. Please let me know which format would be more suitable as I tried both .png and .jpg for custom images. The text I am using over an image is looking fine. Two images are attached, one showing the issue of blurriness and second showing the manual text which didn't get blurred.

Thank you.
  
forum_image.PNG ( 5 KB | 120 Downloads )
forum_image.PNG
image-forum2.PNG ( 2 KB | 113 Downloads )
image-forum2.PNG
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Slavcho
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Re: Blurred PDF Images
Reply #1 - May 5th, 2020 at 9:08am
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Hi,

Please attach original image you assign to nodes. Unless you also enable PDF exporter's JpegImageEncoding property, images should be saved as raw bitmaps by default and JpegImageQuality ignored. So if images are less crisp in PDF reader than in the diagram, that should be caused by something else, maybe try disabling Win10 display scaling to compare results (if you are using it in first place).

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Slavcho
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ashar11
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Re: Blurred PDF Images
Reply #2 - May 6th, 2020 at 12:51pm
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Hi,

Thanks for the suggestion, I tried JpegImageEncoding but found no difference.I have attached 3 images from a diagram, pdf and code. Can you please take a look at these images.

Thanks.
  
Diagram.PNG ( 123 KB | 121 Downloads )
Diagram.PNG
PDF.PNG ( 45 KB | 109 Downloads )
PDF.PNG
code_001.PNG ( 7 KB | 116 Downloads )
code_001.PNG
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Slavcho
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Re: Blurred PDF Images
Reply #3 - May 7th, 2020 at 12:56pm
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The only thing I can see in your pdf.png is you've zoomed in too much. You shouldn't expect a zoomed-in bitmap to remain crisp. Not much difference for me if I set PDF Reader's zoom to 100%.
  
pdf_test.png ( 487 KB | 132 Downloads )
pdf_test.png
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