30 lines
771 B
Plaintext
30 lines
771 B
Plaintext
/**
|
|
* @file 调整路径缩放和平移
|
|
* @author mengke01(kekee000@gmail.com)
|
|
*/
|
|
|
|
/**
|
|
* 对path坐标进行调整
|
|
*
|
|
* @param {Object} contour 坐标点
|
|
* @param {number} scaleX x缩放比例
|
|
* @param {number} scaleY y缩放比例
|
|
* @param {number} offsetX x偏移
|
|
* @param {number} offsetY y偏移
|
|
*
|
|
* @return {Object} contour 坐标点
|
|
*/
|
|
export default function pathAdjust(contour, scaleX, scaleY, offsetX, offsetY) {
|
|
scaleX = scaleX === undefined ? 1 : scaleX;
|
|
scaleY = scaleY === undefined ? 1 : scaleY;
|
|
const x = offsetX || 0;
|
|
const y = offsetY || 0;
|
|
let p;
|
|
for (let i = 0, l = contour.length; i < l; i++) {
|
|
p = contour[i];
|
|
p.x = scaleX * (p.x + x);
|
|
p.y = scaleY * (p.y + y);
|
|
}
|
|
return contour;
|
|
}
|