– ImageMagick: Command-line Options (dither) options.filter Possible values: null, FloydSteinberg, None, plus, RiemersmaĪpply a Riemersma or Floyd-Steinberg error diffusion dither to images when general color reduction is applied via an option, or automagically when saving to specific formats. – ImageMagick: Command-line Options (colorspace) options.dither Possible values: null, CMY, CMYK, Gray, HCL, HCLp, HSB, HSI, HSL, HSV, HWB, Lab, LCHab, LCHuv, LMS, Log, Luv, OHTA, Rec601YCbCr, Rec709YCbCr, RGB, scRGB, sRGB, Transparent, xyY, XYZ, YCbCr, YCC, YDbDr, YIQ, YPbPr, YUV – ImageMagick: Command-line Options (background) lorspace Possible values: null or an ImageMagick-compatible color – ImageMagick: Command-line Options (alpha) options.background Gives control of the alpha/matte channel of an image. Possible values: null, Activate, Associate, Background, Copy, Deactivate, Disassociate, Extract, Off, On, Opaque, Remove, Set, Shape, Transparent They are designed to produce images that are generally visually indistinguishable from Photoshop’s Save for Web…, but at a smaller file size. Options you probably don’t need to care aboutįor the most part, you should probably use the default options. The number of times output files should be run through picopt optimization. The number of times output files should be run through imageOptim optimization. The number of times output files should be run through image_optim optimization. The number of times output files should be run through SVGO optimization. The number of times input files should be run through picopt optimization.
The number of times input files should be run through imageOptim optimization. The number of times input files should be run through image_optim optimization. The number of times input files should be run through SVGO optimization. Please switch your syntax to use the new optimize options below. Note:, , and are deprecated, but should still work. When multiple programs are used for optimization, they are run in the following order: Save resized images under a directory with the same name of the width instead adding the width to the filename. The widths that images should be resized to. The only option you should really care about setting is widths: options.widths
Imageoptim gem install#
If you’re using a Mac with Homebrew, you can install ImageMagick like this: If you want this grunt task to be able to rasterize PDFs, you’ll need to install it with GhostScript support. To use this grunt task, you’ll need to have ImageMagick installed.
Imageoptim gem how to#
If you haven’t used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. This plugin is heavily indebted to (and has portions borrowed liberally from): The output images should be visually indistinguishable from those output by Photoshop’s Save for Web…, but with (much) smaller average file sizes. Optimize all your input and output images (PNGs, JPEGs, GIFs, and SVGs).Rasterize SVGs and PDFs to PNGs at widths that you specify.Efficiently resize PNGs, JPEGs, and non-animated GIFs to widths that you specify.
A responsive image workflow for optimizing and resizing your images.
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