Converting PDF to CMYK (with identify recognizing CMYK)

sdaau, the command you used for trying to convert your PDF to CMYK was not correct. Try this one instead: gs \ -o test-cmyk.pdf \ -sDEVICE=pdfwrite \ -sProcessColorModel=DeviceCMYK \ -sColorConversionStrategy=CMYK \ -sColorConversionStrategyForImages=CMYK \ test.pdf Update If color conversion does not work as desired and if you see a message like “Unable to convert color space … Read more

Is there a web service for converting HTML to PDF? [closed]

For third party solutions there are lots of options. Just to name a few… https://cloudlayer.io https://www.api2pdf.com https://www.printfriendly.com https://pdfshift.io http://pdfmyurl.com/html-to-pdf-api https://www.html2pdfrocket.com/ https://pdflayer.com/ http://pdfcrowd.com/ http://www.pdfonline.com/convert-pdf/ http://docraptor.com https://restpack.io/html2pdf https://products.aspose.cloud/pdf https://pdfmage.org/

View a PDF in React Native

Okay, for future generations, here’s how I solved this problem: Updated September 13, 2017: There is a new NPM module that makes this entire process much easier. I would suggest using it going forward instead of my original answer below: react-native-pdf Once installed, rendering the PDF is as easy as this: export default class YourClass … Read more

extract images from pdf using pdfbox

Here is code using PDFBox 2.0.1 that will get a list of all images from the PDF. This is different than the other code in that it will recurse through the document instead of trying to get the images from the top level. public List<RenderedImage> getImagesFromPDF(PDDocument document) throws IOException { List<RenderedImage> images = new ArrayList<>(); … Read more

Mercurial and Word or PDF documents

Yes. You will be able to do meaningful diffs for MS Word documents. If you have TortoiseHg installed and you have set up a repository, right-click the file for which you want to check the diffs. On the context menu, click TortoiseHg > Visual Diffs. In the Visual Diffs dialog, select docdiff, instead of kdiff3. … Read more

img = Image.open(fp) AttributeError: class Image has no attribute ‘open’

You have a namespace conflict. One of your import statements is masking PIL.Image (which is a module, not a class) with some class named Image. Instead of … from PIL import Image try … import PIL.Image then later in your code… fp = open(“/pdf-ex/downloadwin7.png”,”rb”) img = PIL.Image.open(fp) img.show() When working with a LOT of imports, … Read more