node-focuspoint
Resize and crop images without cutting out the image's subject.
This package is based on node-canvas
for drawing and pica
for resizing. Unless previously installed you'll need Cairo. For system-specific installation check the node-canvas Wiki.
Usage
Install the module with: npm install node-focuspoint
Using CLI
Usage: focuspoint [options] [file] Examples: focuspoint -x 90 -y 30 -s 1024x768 -s 512x512 image.jpg Create two images with focus at 90%x30% Options: -s, --size Set the output sizes, default use file size -x, --focus-x Set horizontal coordinate of focus point [default: "50"] -y, --focus-y Set vertical coordinate of focus point [default: "50"] -d, --directory Set the output directory, default use file directory --prefix Add prefix to output file name [default: ""] --suffix Add suffix to output file name [default: "-[size]-focused"] -q, --quality Set the quality [0..3] [default: 3] -a, --alpha Use alpha channel [default: false] --unsharp-amount Set the unsharp amount [0..500] [default: 0] --unsharp-threshold Set the unsharp threshold [0..100] [default: 0] --quiet Do not output to console [default: false] --help Show help --version Show version number
Using API
var focuspoint = ; var imagePath = '/path/to/image.jpg'; // File to processvar sizes = '1024x768' '512x512'; // Set the output sizes, default use file sizevar options = directory: '/path/to/output' // Set the output directory, default use file directory prefix: '' // Add prefix to output file name suffix: '-[size]-focused' // Add suffix to output file name, [size] will be replaced by the output size (e.g. '1024x768' ) focusX: 50 // Set horizontal coordinate of focus point (percentage) focusY: 50 // Set vertical coordinate of focus point (percentage) quality: 3 // Set the quality [0..3] alpha: false // Use alpha channel unsharpAmount: 0 // Set the unsharp amount [0..500] unsharpThreshold: 0 // Set the unsharp threshold [0..100] quiet: false // Do not output to console; ;
Examples
Using an image by Jonathan Velasquez from Unsplash
focuspoint -x 64.583 -y 46.296 -s 1024x256 -s 512x512 -s 256x512 test.jpg
Original
1024x256
512x512
256x512
Support
If you have any problem or suggestion please open an issue here.
License MIT
The MIT License
Copyright 2014, Simon Degraeve
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.