imagemagick
What packages are available for node.js to do image cropping? [closed]
Think I found a decent imagemagick wrapper that can handle this pretty well. Even in memory before writing the file to disk. (aka user upload -> node imagemagick lib -> cdn and never touching the disk … which is what I want) https://github.com/rsms/node-imagemagick
Error “Invalid Parameter” fom ImageMagick convert on Windows
convert is also the name of a windows executable which converts FAT filesystem to NTFS. When you do not specify the full path of an executable, quote: …the system first searches the current working directory and then searches the path environment variable, examining each directory from left to right, looking for an executable filename that … Read more
Detect Alpha Channel with ImageMagick
The ImageMagik command: identify -format ‘%[channels]’ foo.png will print rgba or rgb if there is or is not an alpha channel, respectively. There could be an alpha channel present with no data in it which wouldn’t actually have any transparency, but that is a bit more complicated.
Lion (10.7) Not supporting Convert(1). Dylib error
I was getting this error as well–with a homebrew install of ImageMagick. Along the same lines as Pascal, I fixed it with Install XCode 4.1 (from the App Store) In Xcode, go to Xcode > Preferences… > Downloads tab > click Install next to Command Line Tools Uninstall ImageMagick with brew uninstall imagemagick Update homebrew … Read more
Convert: Postscript delegate failed
I was receiving the same error message. I then installed gs and the same command worked properly after that.
ImageMagick and transparent background for animated gif
I’ve found -dispose previous. UPDATE OK, convert -delay 0 -loop 0 -alpha set -dispose previous *.png ani.gif
All of a sudden started getting “Could Not Run The `Identify` Command. Please Install ImageMagick.”
From a terminal, run the following command: sudo apt-get install imagemagick
ImageMagick convert pdf to jpeg has poor text quality after upgrading ImageMagick version to 6.7.8
I see the same problem with your sample file. It looks like ImageMagick’s delegates for the PDF conversion may have changed with the new install. If you try convert -verbose foo.pdf foo.jpeg, do you see -sDEVICE=pngalpha in the command that gets sent to gs? The pnmraw device has been used in the past, and switching … Read more