学习?学个屁 06c63c15cc 初始化提交 10 månader sedan
..
es 06c63c15cc 初始化提交 10 månader sedan
src 06c63c15cc 初始化提交 10 månader sedan
test 06c63c15cc 初始化提交 10 månader sedan
CHANGELOG.md 06c63c15cc 初始化提交 10 månader sedan
LICENSE 06c63c15cc 初始化提交 10 månader sedan
README.md 06c63c15cc 初始化提交 10 månader sedan
index.d.ts 06c63c15cc 初始化提交 10 månader sedan
package.json 06c63c15cc 初始化提交 10 månader sedan

README.md

@jimp/plugin-contain

Contain an image within a height and width.

Scale the image to the given width and height keeping the aspect ratio. Some parts of the image may be letter boxed.

Usage

  • @param {number} w the width to resize the image to
  • @param {number} h the height to resize the image to
  • @param {number} alignBits (optional) A bitmask for horizontal and vertical alignment
  • @param {string} mode (optional) a scaling method (e.g. Jimp.RESIZE_BEZIER)
  • @param {function(Error, Jimp)} cb (optional) a callback for when complete

    import jimp from 'jimp';
    
    async function main() {
    const image = await jimp.read('test/image.png');
    
    image.contain(150, 100);
    }
    
    main();
    

Align modes

The following constants can be passed to image.contain:

Jimp.HORIZONTAL_ALIGN_LEFT;
Jimp.HORIZONTAL_ALIGN_CENTER;
Jimp.HORIZONTAL_ALIGN_RIGHT;

Jimp.VERTICAL_ALIGN_TOP;
Jimp.VERTICAL_ALIGN_MIDDLE;
Jimp.VERTICAL_ALIGN_BOTTOM;

For example:

image.contain(250, 250, Jimp.HORIZONTAL_ALIGN_LEFT | Jimp.VERTICAL_ALIGN_TOP);
image.contain(
  250,
  250,
  Jimp.HORIZONTAL_ALIGN_RIGHT | Jimp.VERTICAL_ALIGN_BOTTOM
);

Default align mode for image.contain is:

Jimp.HORIZONTAL_ALIGN_CENTER | Jimp.VERTICAL_ALIGN_MIDDLE;