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Deno 2.2 Improves Dependency Management and Expands Node.js Compatibility
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Image manipulation with gm. Refer to gm's documentation for details.
Install with npm
npm install --save-dev gulp-gm
gulp-gm
works best with GraphicsMagick.
However, it also supports ImageMagick, but you'll need to set the option imageMagick: true
.
Make sure GraphicsMagick or ImageMagick is installed on your system and properly set up in your PATH
.
Ubuntu:
apt-get install imagemagick
apt-get install graphicsmagick
Mac OS X (using Homebrew):
brew install imagemagick
brew install graphicsmagick
Windows & others:
Confirm that GraphicsMagick or ImageMagick is properly set up by executing gm -version
or convert -version
in a terminal.
var gulp = require('gulp');
var gm = require('gulp-gm');
gulp.task('default', function () {
gulp.src('test.png')
.pipe(gm(function (gmfile) {
return gmfile.resize(100, 100);
}))
.pipe(gulp.dest('dist'));
});
gulp.src('test.png')
.pipe(gm(function (gmfile) {
return gmfile.setFormat('jpg');
}))
.pipe(gulp.dest('dist'));
gulp.src('test.png')
.pipe(gm(function (gmfile, done) {
gmfile.size(function (err, size) {
done(null, gmfile
.stroke("blue", 6)
.fill("transparent")
.drawRectangle(0, 0, size.width, size.height));
});
}))
.pipe(gulp.dest('dist'));
gulp.src('test.png')
.pipe(gm(function (gmfile) {
return gmfile.resize(100, 100);
}, {
imageMagick: true
}))
.pipe(gulp.dest('dist'));
Type: Function
Supply a callback that manipulates the image. The first argument will the gm
object with all original properties. Read more in the gm documentation.
Make sure to return your modified gm
object.
gulp.src('test.png')
.pipe(gm(function (gmfile) {
return gmfile.blur(10);
}))
.pipe(gulp.dest('dist'));
If your call back accepts a second argument (done
), it will be treated asynchronously. Your code will then need to call done(err, gmfile)
at some point.
gulp.src('test.png')
.pipe(gm(function (gmfile, done) {
gmfile.size(function (err, size) {
done(null, gmfile.resize(
size.width * 0.5,
size.height * 0.5
));
});
}))
.pipe(gulp.dest('dist'));
Type: Boolean
Default value: false
Set to true
when using ImageMagick instead of GraphicsMagick.
gm.thumb(...)
is not supported because it writes to the file system directly. Consider using gulp-image-resize instead.npm install
npm install -g gulp
gulp test
MIT © scalable minds
FAQs
Image manipulation with GraphicsMagick for gulp.
The npm package gulp-gm receives a total of 1,797 weekly downloads. As such, gulp-gm popularity was classified as popular.
We found that gulp-gm demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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