April 22nd, 2011
A reader asked a me about image to PDF conversion a few days ago and I promised him an article, so here it is.
Image to PDF conversion is based on Quartz API. Using Quartz we can create PDF files and add content to them, the conversion actually means drawing the image on a PDF page.
March 28th, 2011
A common requirement when working with PDF files is to convert them to images. Because the iOS includes native PDF support, converting a PDF page to image seems easy. A graphic context is created for the image, the PDF page is rendered on image's graphic context and then the image is saved. Yet there is a catch when rendering the PDF page on the image's graphic context.
Now lets see how we put this idea into practice and convert a PDF page to image at a specific resolution.