You shouldn't mix package managers on a system unless you have a really good reason to do so. Even with the coalesce and repage, I could not get ImageMagick to crop and resize. I currently just obfuscate some functional elements into photos so extremely hard to remove, without distorting the image itself. Cropping allows you to create an image from within the current image. So if yum complains about a missing package, it shouldn't be surprising if apt-get can't find a package by that name. Similar question here but for Tex-document.Imagemagick shows ways of watermarking here but not how to do it as invisible as possible. Oh, by the way, Red Hat and Ubuntu use different names for packages. configure.īut normally, building from source just needlessly complicates things. configure or have some development library installed before running. It might be that you need to specify some flag to. As such this is a good place to start our exploration of IM's capabilities. It is also one of the most simplest, but with scope for some very fancy results. If you're building from source in order to help with development, then you should find out from the Imagemagick folks just what is required to succesfully build it from source. ImageMagick Examples - Text to Image Handling Index Creating text labels, or adding text to images is probably one of the most basic and common operations for which ImageMagick is used. To those, I'll add that we also have discussed, and a reader/programmer at this point should be conversant with: how bitmapped images are represented at a. If your reason for building from source is to get a more recent version, hunt for a PPA that tracks the most recent version. If you install Imagemagick using APT ( apt-get, Synaptic, Software Center, etc.), then JPG files will work just fine, as I confirmed on my machine. Unless you have a pressing need, you should install all software on Ubuntu from a repository - either the official repos or a PPA. The following examples use only the command-line approach. On most installations, ImageMagick can also be called from PHP using the system or exec function call. We use it mainly for resizing, cropping and resizing uploaded images, but also sometimes for adding watermarks. If you decide to build ImageMagick from source, you need to be prepared to manually resolve all dependencies. ImageMagick is a very powerful tool for manipulating and combining images.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |