com.createdPattern is not a function at Image.imgs.onload
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Html5 Canvas 实现图片合成</title>
<script src="../js/jq.js"></script>
<script src="../js/base64js.min.js"></script>
<script src="../js/canvas2image.js"></script>
<script src="../js/html2canvas.js"></script>
<style>
img{border:solid 1px #ddd;}
.c-box{
display: flex;
padding: 15px;
justify-content: space-between;
}
.c-img{
display: block;
width: 45%;
height:260px;
}
.btn{
width: 40%;
height: 40px;
line-height: 40px;
text-align: center;
color: #fff;
background-color: brown;
font-size: 14px;
margin: 20px auto;
}
#imgbox{
width: 300px;
height: 500px;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<!-- <div align="center" class="img_photo">
<img src="../image/canvas.jpg" alt="" class="c-img">
<img src="../image/cq.jpg" alt="" class="c-img">
</div>
<input type="button" value="一键合成" onClick="draw()" style="display:block;width: 60px; margin: 0 auto;">
<div id="imgBox" align="center"></div> -->
<script>
var canvas=document.querySelector("#canvas")
var com=canvas.getContext('2d')
canvas.width=400;
canvas.height=400;
// com.rect(0,0,canvas.width,canvas.height);
// com.fillStyle='#aaa';//画布填充颜色
// com.fill();
var imgs=new Image()
imgs.src='../image/canvas.jpg'
imgs.onload=function(){
var patter=com.createdPattern(imgs,'no-repeat')
com.fillStyle=patter
com.fillRect(0,0,400,400)
}
</script>
</body>
</html>
