This question already has an answer here:
Closed 10 years ago.
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How to get the pdfpage content
I am using pdfrenderer to view my pdf file in swing.In this pdfviewer i need a search functionality same as it is like in adobe reader search(showing the pages link and clicking on the link should go to that page and highlight the search word).How can i achieve this in swing.Is there any samples to do like this.Or do i need to use any other libraries.
Thank You.
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This question already has answers here:
ImageIO - get image type and exif data
(3 answers)
Closed 3 years ago.
I'm working on a project where I need to make pdf from image and merge it. For this I use PDFBox but at some point I need to read the exif of an image like the orientation and the resolution and so I go with metadata-extractor. I didn't find any useful doc or example.
I find that I can read a specifics exif but I don't know how exactly
Here is a list : List, they list most of the tag you need ( a more complete one : here
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Is there a way to take a screenshot using Java and save it to some sort of image?
(8 answers)
Closed 7 years ago.
I want to take Screenshot of the web-page at Runtime while screen-scraping with HtmlUnit or Jsoup in Java.
Is there any way to do so?
HtmlUnit does not render the elements. It is GUI-less (headless) browser.
Please find sample code using WebDriver/Selenium here.
This item may be helpful. It uses java.awt.Robot to take a screen shot and save it to disk.
Previous Answer - Java Screen Shot
Try this one Robot#createScreenCapture().
BufferedImage image = new Robot().createScreenCapture(newRectangle(Toolkit.getDefaultToolkit().getScreenSize()));
ImageIO.write(image, "png", new File("/screenshot.png"));
This question already has answers here:
iText 5 header and footer
(2 answers)
Closed 9 years ago.
I'm generating PDF's with the iText java lib, how can I add a static container to the bottom of my page? I want to use it for a signature, it must be on every page if there are more than one page, always it the bottom left corner?
Kind Regards
Use PdfPageEventHelper.onEndPage() to add content to every page, as described in this example.
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Exporting JUNG graphs to hi-res images (preferably vector based)
(4 answers)
Closed 9 years ago.
I have an editable VisualizationViewer inside a GraphZoomScrollPane. After moving and reorganizing the graph I want to save the edited version into a image file.
When I tried using VisualizationImageServer it requires the layout which removes the modifications and set up the nodes to the original layout.
By printing the JPanel into the image, I only get the visible portion and I need the full image to be saved.
I'm not an expert on Jung, but this question seems to provide a workable approach to what you want to do:
Exporting JUNG graphs to hi-res images (preferably vector based)
This question already has answers here:
Java OCR implementation [closed]
(5 answers)
Closed 9 years ago.
Hey guys is it possible to read text from an image, like how you go to submit a form and it ask you to fill in the text inside image. I want to know if it is possible to read the text inside it. If so, what language?
David Biga
EDIT:
I am not trying to read captcha I was just giving an example of an image with text in it.
It is possible to read text with Optical Character Recognition.
However, CAPTCHAs are designed to thwart this, in order to distinguish humans from computers.