1.0.3 • Published 6 years ago

highlight-area-with-image v1.0.3

Weekly downloads
1
License
ISC
Repository
github
Last release
6 years ago

highlight-area-with-image

从图片中查找出高亮的区域

npm install --save highlight-area-with-image2

代码:

var getHighlightAreaPoint = require('highlight-area-with-image').getHighlightAreaPoint;

getHighlightAreaPoint("test/test.jpg", { width: 19, height: 19 }, function (err, result) {

if (err) {

console.error(err);

return;

}

console.log(JSON.stringify(result));

});

结果:

{"tval":68208,"point":{"x":59,"y":34},"area":{"x1":50,"y1":25,"x2":69,"y2":44},"center":{"x":50,"y":40},"distance":{"x":9,"y":-6}}

getHighlightAreaPoint 参数:

url, 支持jpg,png

opt-width,opt-height. 选择区域宽高,请使用单数值。

cb回调函数结果

result

tval 检索到的区域像素总和值,留意没有计算透明度。

point 高亮区域的中心点位置

area 高亮区域栅栏

center 图片的中心点

distance 图片中心点离高亮区域中心点的距离
1.0.3

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