Gulp image resize11/8/2023 ![]() ![]() Responsive images to the rescue! Right? Well, yes, but first we have to generate our responsive image assets, and we have to make sure those assets look good and have a small enough footprint to improve the website’s performance.įor a very small website, saving a few different sizes of each image directly in our image editor is trivial - Photoshop even provides a handy “Save for Web” option that keeps file sizes low. (Image: HTTP Archive) ( View large version) The average web page is 2,099 KB, 1,310 KB of which comes from images. Improving web performance and giving a better experience to our users is our job as developers and designers. Even on a fast connection, a 2 MB website can wreak havoc on your users’ data plans and cost them real money. At the same time, millions of people are accessing the Internet on 3G-or-worse connections that make a 2 MB website a horror show to use. If set to true, the resized images will maintain aspect ratio by overflowing their dimensions as necessary, rather than treating them as maximum-size constraints.The average web page is about 2 MB in size, and about two thirds of that weight is from images. verĭetermines whether images should cover the area specified by the width and height options. The value that you want the image to be scaled to. Can be used for layered formats such as PNG. See gm background documentation options.flattenĬombines image layers into one. Possible values: none to keep transparency, beige to set beige background, #888 for gray.ĭefine background color (default is white), for example when converting SVG images to PNGs. Set to true when using ImageMagick instead of GraphicsMagick. ![]() For details look for parameter -interlace with the type value set to Set to true to create interlaced images (scanline interlacing) from PNG, GIF or JPEG files ![]() For details look for parameter +profile "*" in the gm profile documentation. Therefore this is probably wanted inĬases where thumbnails are generated for web preview purposes. Print this may decrease image size drastically. untouched camera data or images optimized for Set to true to enforce removal of all embedded profile data like icc, exif, iptc, xmpĪnd so on. Possible values: for 4:2:2, for 4:1:1ĭefine chroma subsampling options.noProfile Set to true to apply a slight unsharp mask after resizing. Catrom is very good for reduction, while hermite is good for enlargement). Set the filter to use when resizing (e.g. Possible values: Point, Box, Triangle, Hermite, Hanning, Hamming, Blackman, Gaussian, Quadratic, Cubic, Catrom, Mitchell, Lanczos, Bessel, Sinc Override the output format of the processed file. Ranges from 0 (really bad) to 1 (almost lossless). options.qualityĭetermines the output quality of the resized image. Doesn't have any effect, if options.crop is false. When cropping images this sets the image gravity. Possible values: NorthWest, North, NorthEast, West, Center, East, SouthWest, South, SouthEast options.cropĭetermines whether images will be cropped after resizing to exactly match options.width and options.height. If set to false (default), image will be copied instead of resized if it would be upscaled by resizing. options.upscaleĭetermines whether images will be upscaled. options.heightĭefault value: 0 (only if width is defined)Ī number value that is passed as pixel or percentage value to imagemagick. task ( 'default', function ( ) ) API imageResize(options) options.widthĭefault value: 0 (only if height is defined)Ī number value that is passed as pixel or percentage value to imagemagick. Var gulp = require ( 'gulp' ) var imageResize = require ( 'gulp-image-resize' ) gulp. ![]()
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