graphicsmagick. focuses on simple, stable, and clearer codebase / architecture; imagemagick. focuses on rolling out new features, extend a wider toolbase; Other than speed, imagemagick adds a number of cli tools to terminal shell whereas graphicsmagick is a single tool which you can call. CLI interface design. graphicsmagick. gm <command ...

2015年9月17日 · The two forked from an initially common code base years ago. Many commands and parameters are pretty similar but they have diverged considerably. To my mind, ImageMagick is the more flexible and powerful nowadays. I often see suggestions that GraphicsMagick is faster but I have not seen any evidence that might be true. Obviously YMMV. –

If you want to tackle image resizing, you may also take a look at the serverless sharp image library which uses Sharp, a high performance Node.js library for image resizing which is about 3x - 5x faster compared to GM/IM.

2019年2月9日 · So you need to work out what package manager your instance uses and then use that to install libjpeg and libjpeg-dev packages and then probably re-install GraphicsMagick. Your comment seems to imply your question is broader than the JPEG-support you mention, but the answer is the same.

2019年5月22日 · I am trying to get the height and width of a jpeg image in the commandline. I typed gm identify img300.jpg and get a long line that outputs JPEG 3264x2448+0+0 DirectClass 8-bit 1.8Mi 0.000u 0m:0.

2017年7月11日 · Probably graphicsmagick / imagemagick is not installed correctly, download GraphicsMagick or download ImageMagick, if your are using Ubuntu, these commands are useful. sudo add-apt-repository ppa:dhor/myway sudo apt-get update sudo apt-get install graphicsmagick sudo apt-get install imagemagick

2014年8月7日 · This command to replace a transparent background with a color works for ImageMagick and GraphicsMagick: gm convert 'src_file_with_transparent_background.png' -background HotPink -flatten 'output_file.jpg' –

2017年1月4日 · I’ve been trying to use GraphicsMagick to composite three images with a small tweak to one of the colours as well. The first two images are the same size and are positioned at 0, 0. The third image is smaller, a “design” image and I’ve offset this using –page 320,300.

I need to be able to apply watermark on an image, using either text or another image. Getting it to work with an image was quite straight forward, using the following command: gm composite -dissol...

2019年2月13日 · GraphicsMagick / ImageMagick replace all non-transparent pixels (like Photoshop's Color Overlay) 2 ...