canvas.getImageData获取数据异常
var c = wx.createCanvas();
var cxt = c.getContext(“2d”);
cxt.fillStyle = “#FF0000”;
cxt.fillRect(0, 0, 150, 75);
console.log(cxt.getImageData(0, 0, 200, 100))
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2 回复
你好,请具体描述问题出现的流程,并提供能复现问题的简单代码片段(https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html)。