uni-app 调用uni.canvasGetImageData时图片宽高3024 * 4032导致APP崩溃

uni-app 调用uni.canvasGetImageData时图片宽高3024 * 4032导致APP崩溃

产品分类

• uniapp/App

操作步骤

调用uni.canvasGetImageData

预期结果

调用uni.canvasGetImageData时，能够正常返回数据

实际结果

调用uni.canvasGetImageData时，图片宽高为3024 * 4032，APP直接崩溃了

bug描述

that.ctx.draw(false, () => {  
  console.log('beforeGetImageData')  
  // 获取 canvas 的像素数组  
  uni.canvasGetImageData({  
    canvasId: 'myCanvas',  
    x: 0,  
    y: 0,  
    width: that.canvasStyle.width,  
    height: that.canvasStyle.height,  
    success: imageData => {  
      console.log(imageData, 'imageData')  
    },  
    fail: err => {  
      console.log(err, 'getImageDataErr')  
    },  
    complete: message => {  
      console.log(message 'getImageMessage')  
    }  
  })  
})