![]() The least you can use is 300 dpi, so again about 4 times the size of your 72 dpi image: that's already 1.440.000 = 1406Kb = 1.37Mb (and 300 dpi is fairly low nowadays, so I wouldn't call that large resolution).Īdd a few images like that in your document, and knowing that iText is laying out the entire pdf document in one go (because of a dumb calculation for table of contents amongst other things), and you will understand that this adds up pretty fast. The problem is that if you print this image, there is a fair chance that it will be aliased, because most printers use a much higher resolution than the 72 or 96 dpi of your screen. And your image will likely be RGB, so that's times 3: 360.000 bytes (480.000 if you have an image with alpha transparency). ![]() Now, imagine a 400x300 pixels image, which might be super-compressed on disk, it's still going to be 120.000 pixels. The problem with PDF is that the iText library (which is the one main library used in most Java projects to manipulate low level PDF objects), is laying out images entirely in memory, and even if you are using a compressed format, like JPEG, this format will ultimately be rasterized as a pixel image. And it's not strictly true that you can use low definition images to print, actually, quite the contrary, because of printers' resolutions. Yes, size does matter But more so resolution. ![]() I was under the impression that when using a pdf printer with a file name, that the report is streamed to disk, however I am getting out of memory errors when trying to print more than a handful of records. I get the following in my console when running from smart client on a test app serverĬode: Select all Exception in thread "AWT-EventQueue-0" :Īt (Unknown Source)Īt java.io.ByteArrayOutputStream.write(Unknown Source)Īt .deflate(Unknown Source)Īt .write(Unknown Source)Īt java.io.FilterOutputStream.write(Unknown Source)Īt .PdfStream.flateCompress(Unknown Source)Īt .PdfImage.(Unknown Source)Īt .PdfWriter.addDirectImageSimple(Unknown Source)Īt .PdfContentByte.addImage(Unknown Source)Īt .PdfGraphics2D.drawImage(Unknown Source)Īt (Unknown Source)Īt .(MyImageIcon.java:317)Īt .BasicLabelUI.paint(Unknown Source)Īt .update(Unknown Source)Īt (Unknown Source)Īt .(AbstractScriptLabel.java:160)Īt (Unknown Source)Īt (Unknown Source)Īt .(AbstractScriptLabel.java:240)Īt (Unknown Source)Īt .(AbstractScriptLabel.java:215)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source)Īt (Unknown Source) Var imgURL = application.getServerURL()+'/uploads'+image_file_path.split(' ').join('%20') Var pdf = (forms.fabman_rpt_budgeting_(false,false,plugins.pdf_output.getPDFPrinter(file.getAbsolutePath()))) Īlso I have a calculation which is grabbing an image for each record from the app server and putting it into each page of the report using the followingĬode: Select all if (image_file_path!=null) I am using the following code to print/stream a report to pdf on disk.Ĭode: Select all var file = ('JobCards','.pdf')
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