點擊filter()方法沒有反應(yīng)
function filter(){
var imageData = contexta.getImageData(0,0,canvasa.width,canvasa.height);
contextb.putImageData(imageData,0,0,0,0,canvasb.width,canvasb.height);
}
慕無忌3351045
2015-08-24
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2016-11-24
在本機(jī)搭建的web服務(wù)器環(huán)境下運行
2015-09-15
function filter(){
? ?var imageData = contexta.getImageData(0,0,canvasa.width,canvasa.height);
? ?contextb.putImageData(imageData, 0, 0, 0, 0, canvasb.width, canvasb.height);
? ?console.log("ok");
}
可以運行