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Take a look at imagemagick and rmagick plugin for ruby. This allows you to do all kinds of image conversions, including PDF to jpeg. rmagick.rubyforge.org/. EDIT: untested sample code: require 'RMagick' pdf = Magick::ImageList.new("doc.pdf") pdf.write("myimage.jpg"). if doc.pdf has 3 pages, this
13 Jan 2012 Convert pdf to image using RMagick in rails console >> require 'RMagick' => [] >> im = Magick::Image.read("/home/pandu/Desktop/Holidays_2012.pdf") => [/home/pandu/Desktop/Holidays_2012.pdf PDF 612x792 612x792+0+0 DirectClass 16-bit 1420kb] >> image = im[0].resize_to_fit(200200)
5 Jan 2017 Then we decided to save the chart as an image while previewing pdf page and embed that image in the pdf page, while searching for that we came across this solution html2canvas. Image_embedded. I will share the remaining challenges and resolutions in my next blog. Share if you found this useful.
Hi All, I am wanting to write a script to convert a series of images into a pdf file. The main question is what would be the best ruby gem to use for doing this? I was looking at prawn, but not sure it would fit best. I have heard something about imagemagik, but not too sure. Any ideas and thoughts would be
Rails app convert pdf to png images. Contribute to pdf-to-png-converter development by creating an account on GitHub.
16 Aug 2012 I seem to remember prawn was more of a pdf generator than converter, but I'll take a second look. :) Avatar Imagemagick delegates rasterizing to ghostscript, but I find it's better to just cut out the middle man and create a high dpi image that can be more easily manipulated with imagemagick directly.
def convertFile(fpath, outstream="nil"). Converts a local file fpath to PDF and writes the result to outstream. The file can be either an HTML document or a .zip, .tar.gz., or .tar.bz2 archive which can contain external resources such as images, stylesheets, etc. outstream can be any object having a
Generating preview for pdf and images using Carrierwave in Rails This blog post will cover how to generate the preview of pdf files using Carrierwave gem. take only the first page of the file end end version :preview do process :cover process :resize_to_fit => [310, 438] process :convert => :jpg def full_filename (for_file
There are situations when we want to convert a PDF into a set of images which we can then nicely display on a web page or on mobile devices. In Rails this is quite easy to do, but there a few things you should know. In your gemfile add the following gem: gem "docsplit". Docsplit is a command-line utility and Ruby library for
6 Jan 2015 Convert PDF to Image with Dragonfly and Rails. With other uploaders in rails, it's not super straightforward to convert a PDF to an image. But, by using Dragonfly's ImageMagick plugin, it's real simple. Make sure you're using the ImageMagick plugin.
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