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adjustImg_file.html
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adjustImg_file.html
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<link rel="stylesheet" href="css/page-common.css">
<link rel="stylesheet" href="font-awesome/css/font-awesome.min.css"/>
<link rel="stylesheet" href="css/upload.css"/>
<title></title>
<style>
*{
margin: 0;
padding: 0;
box-sizing: border-box;
}
html{
height: 100%;
}
body{
background: skyblue;
}
body{
height: 100%;
position: relative;
}
</style>
</head>
<body>
<button id='fileChooseButton' class="button blue rarrow file-input-mask">上传图片<input class="upload-file" type="file" id="file" accept="image/*" capture="camera"/></button>
<img id="previewResult"/>
<img id="needCropImg" />
<div class="app" id="uploadPage">
<div class="upload-loading">
<span class="centerXY"><i class="fa fa-spinner fa-pulse fa-3x fa-fw"></i></span>
</div>
<div class="bar"><a class="back pull-left" id="closeCrop"><i class="fa fa-reply"></i></a><a id="getFile" class="pull-right">使用</a></div>
<div class="main">
<canvas class="upload-mask">
</canvas>
<div class="preview-box">
<img id="preview"/>
</div>
<canvas class="photo-canvas">
</canvas>
<a id="rotateBtn">
<i class="fa fa-rotate-right fa-3x"></i>
<div>旋转照片</div>
</a>
</div>
</div>
</body>
<script src="js/require.js" ></script>
<script src="js/main.js"></script>
<script src="js/canvas-toBlob.js"></script>
<script>
var myCrop;
// 防require缓存
require.config({
// urlArgs:"bust="+new Date
})
require(["jquery",'hammer','tomPlugin',"tomLib",'hammer.fake','hammer.showtouch'],function($,hammer,plugin,T){
document.addEventListener("touchmove",function(e){
e.preventDefault();
})
//初始化图片大小300*300
var opts={cropWidth:189,cropHeight:273},
$file=$("#file"),
previewStyle={x:0,y:0,scale:1,rotate:0,ratio:1},
transform= T.prefixStyle("transform"),
$previewResult=$("#previewResult"),
$previewBox=$(".preview-box"),
$rotateBtn=$("#rotateBtn"),
$getFile=$("#getFile"),
$preview=$("#preview"),
$uploadPage=$("#uploadPage"),
$mask=$(".upload-mask"),
$loading=$(".upload-loading"),
maskCtx=$mask[0].getContext("2d"),
$needCropImg=$("#needCropImg");
//这是插件调用主体
myCrop=T.cropImage({
bindFile:$file,//绑定Input file
// bindFile:$needCropImg[0],//绑定一个图片
enableRatio:true,//是否启用高清,高清得到的图片会比较大
canvas:$(".photo-canvas")[0], //放一个canvas对象
cropWidth:opts.cropWidth, //剪切大小
cropHeight:opts.cropHeight,
bindPreview:$preview, //绑定一个预览的img标签
useHammer:true, //是否使用hammer手势，否的话将不支持缩放
oninit:function(){
},
onChange:function(){
$loading.show();
resetUserOpts();
},
onLoad:function(data){
//用户每次选择图片后执行回调
previewStyle.ratio=data.ratio;
$preview.attr("src",data.originSrc).css({width:data.width,height:data.height}).css(transform,'scale('+1/previewStyle.ratio+')');
myCrop.setCropStyle(previewStyle)
$loading.hide();
}
});
function resetUserOpts(){
$(".photo-canvas").hammer('reset');
previewStyle={scale:1,x:0,y:0,rotate:0};
$previewResult.attr("src",'').hide();
$preview.attr("src",'')
}
$('#fileChooseButton').on('click',function(){
setTimeout(function(){
resetUserOpts();
})
})
$(".photo-canvas").hammer({
gestureCb:function(o){
//每次缩放拖拽的回调
$.extend(previewStyle,o);
// console.log("用户修改图片",previewStyle)
}
})
//选择图片
$rotateBtn.on("click",function(){
previewStyle.rotate+=90;
if(previewStyle.rotate>=360){
previewStyle.rotate-=360;
}
$(".photo-canvas").hammer('setRotate',previewStyle.rotate)
myCrop.setCropStyle(previewStyle)
$preview.css(transform,"translate3d("+ previewStyle.x+'px,'+ previewStyle.y+"px,0) rotate("+previewStyle.rotate+"deg) scale("+(previewStyle.scale/previewStyle.ratio)+")")
})
//获取图片并关闭弹窗返回到表单界面
$getFile.on("click",function(){
var cropInfo;
$uploadPage.hide();
myCrop.setCropStyle(previewStyle)
//自定义getCropFile({type:"png",background:"red",lowDpi:true})
cropInfo=myCrop.getCropFile({});
$previewResult.attr("src",cropInfo.src).show();
console.log(previewStyle,cropInfo)
//尝试传参后台裁剪
var form=new FormData();
// var previewFactor=cropInfo.oWidth/
form.append('dwidth',cropInfo.dWidth)
form.append('dheight',cropInfo.dHeight)
form.append('offsetX',previewStyle.x)
form.append('offsetY',previewStyle.y)
form.append('cwidth',opts.cropWidth)
form.append('cheight',opts.cropHeight)
form.append('scale',previewStyle.scale)
form.append('imgFile',cropInfo.file)
form.append('rotate',-1*previewStyle.rotate);
$.ajax({
url:"http://127.0.0.1/testAdjustImg/testCrop.php",
type:'post',
data:form,
processData:false,
contentType: false,
dataType:"json",
success:function(data){
console.log(data)
if(data.result==1){
console.log(data.imgPath)
}
}
})
//可选传base64或者file对象
//cropInfo.src cropInfo.dfd
//you can upload img base64 :cheers:)
console.info('拿到Base64了,传给后台吧？')//src.substr(22)
/* $.ajax({
url:'http://127.0.0.1/testAdjustImg/upload.php',
type:"post",
dataType:"json",
data:{base64:cropInfo.src.substr(22),uploadType:'base64'},//后端无需在过滤头
success:function(data){
if(data.result==1){
console.log(data.imgPath)
}
}
})*/
//you can upload new img file :cheers:)
cropInfo.dfd.done(function(blob){
if(blob){
var formData=new FormData;
blob.name='imgFile'
formData.append("imgFile",blob)
formData.append("uploadType",'imgFile');
$.ajax({
url:'http://127.0.0.1/testAdjustImg/upload.php',
type:"post",
data:formData,
processData:false,
contentType: false,
dataType:"json",
success:function(data){
console.log(data)
if(data.result==1){
console.log(data.imgPath)
}
}
})
}
})
})
//上传文件按钮&&关闭弹窗按钮
$(document).delegate("#file","click",function(){
$uploadPage.show();
}).delegate("#closeCrop","click",function(){
$uploadPage.hide();
resetUserOpts();
myCrop.setCropStyle(previewStyle)
})
$file.one("click",showCropModal)
$previewResult.on('click',showCropModal)
function showCropModal(){
setTimeout(function(){
$uploadPage.show();
$mask.prop({width:$mask.width(),height:$mask.height()})
maskCtx.fillStyle="rgba(0,0,0,0.7)";
maskCtx.fillRect(0,0,$mask.width(),$mask.height());
maskCtx.strokeStyle='white';
maskCtx.lineWidth='2'
maskCtx.clearRect(($mask.width()-opts.cropWidth)/2,($mask.height()-opts.cropHeight)/2,opts.cropWidth,opts.cropHeight)
maskCtx.strokeRect(($mask.width()-opts.cropWidth)/2-1,($mask.height()-opts.cropHeight)/2-1,opts.cropWidth+2,opts.cropHeight+2);//Add a subpath with four points
})
}
//单独绑定图片时用到
// $needCropImg[0].addEventListener("load",showCropModal)
// $needCropImg[0].src='./img/9-1.jpg';
})
</script>
</html>