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Davide Dolla
1158
Images on Report and DPI. Only 96 DPI is supported?
posted

Hi to all,

I've done some test to put images on Report and seems that the images are handled at 96 DPI (standard Graphic resolution) also if the report is printed on a 1200 DPI laser color or other device different from the screen.

This means that in some situations the quality of printed images is very poor, also using img.Preferences.Compressor = Infragistics.Documents.Graphics.ImageCompressors.Flate.

Anyone have any idea to bypass this?

Eg: if you have bmp logo of 735x93 pix at 150DPI (4.90x0.62 inches) it on Report, and on paper, is printed 7.66 x 0.97 inches -> at 96 DPI WHY?

Thanks in advance.
Davide

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  • 3707
    posted

    I had a scenerio work while testing out some ideas. Try something similar to what I paste below, and let me know if it works for you.

    Infragistics.Documents.Graphics.Image img = new Infragistics.Documents.Graphics.Image(Application.StartupPath + "/Resources/image.jpg");

    img.Preferences.Converter = Infragistics.Documents.Graphics.ImageConverters.RGB;

    Infragistics.Documents.Graphics.JPEGCompressor acompressor = new Infragistics.Documents.Graphics.JPEGCompressor(100);

    img.Preferences.Compressor = acompressor;

    The JPEGCompressor constructor takes quality as the input, and I have it set to full quality.

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