节点 Jimp |颜色 xor
简介 xor修改器是 Nodejs | Jimp 中的内置颜色修改器,它将两种颜色视为位域,并对给定图像的红色、绿色和蓝色分量进行 XOR 运算。
image.color([
{ apply: 'xor', params: value }
]);
参数:
- 值–该参数存储要应用异或运算的颜色。
输入图像:
例 1:
// npm install --save jimp
// import jimp library to the environment
var Jimp = require('jimp');
// User-Defined Function to read the images
async function main() {
const image = await Jimp.read
('https://media.geeksforgeeks.org/wp-content/uploads/20190328185307/gfg28.png');
// color function having xor modifier
image.color([{apply:'xor', params: ['green']}])
.write('xor1.png');
}
main();
console.log("Image Processing Completed");
输出: 例 2: cb(可选参数)
// npm install --save jimp
// import jimp library to the environment
var Jimp = require('jimp');
// User-Defined Function to read the images
async function main() {
const image = await Jimp.read
('https://media.geeksforgeeks.org/wp-content/uploads/20190328185333/gfg111.png');
// color function having xor modifier
image.color([{apply:'xor', params: ['blue']}], function(err){
if (err) throw err;
})
.write('xor2.png');
}
main();
console.log("Image Processing Completed");
输出: 参考:https://www.npmjs.com/package/jimp
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