图片旋转、鼠标滚轮缩放、镜像、切换图片js代码

2024-10-21 23:31:56

本文实例为大家展示了图片旋转、鼠标滚轮缩放、镜像、切换图片多重效果，提供了详细的代码，分享给大家供大家参考，具体内容如下

具体代码：

<!DOCTYPE html>
<html lang="zh-cn">
 <head>
  <title>图片旋转,鼠标滚轮缩放,镜像,切换图片</title>
  <meta charset="utf-8" />
  <!--<script type="text/javascript" src="js/jquery-1.11.1.min.js"></script>-->
  <script type="text/javascript" src="js/abc.js"></script>
 </head>

 <body>

  <h1 style="text-align: center;color: blue;">效果预览</h1>
  <script>
   //容器对象
   var ImageTrans = function(container, options) {
    this._initialize(container, options);
    this._initMode();
    if (this._support) {
     this._initContainer();
     this._init();
    } else { //模式不支持
     this.onError("not support");
    }
   };
   ImageTrans.prototype = {
    //初始化程序
    _initialize: function(container, options) {
     var container = this._container = $$(container);
  this._clientWidth = container.clientWidth; //变换区域宽度
  this._clientHeight = container.clientHeight; //变换区域高度
  this._img = new Image(); //图片对象
  this._style = {}; //备份样式
  this._x = this._y = 1; //水平/垂直变换参数
  this._radian = 0; //旋转变换参数
  this._support = false; //是否支持变换
  this._init = this._load = this._show = this._dispose = $$.emptyFunction;
     var opt = this._setOptions(options);
     this._zoom = opt.zoom;
     this.onPreLoad = opt.onPreLoad;
     this.onLoad = opt.onLoad;
     this.onError = opt.onError;
     this._LOAD = $$F.bind(function() {
  this.onLoad();
  this._load();
  this.reset();
  this._img.style.visibility = "visible";
  }, this);
  $$CE.fireEvent(this, "init");
    },
    //设置默认属性
    _setOptions: function(options) {
     this.options = { //默认值
      mode: "css3|filter|canvas",
      zoom: .1, //缩放比率
      onPreLoad: function() {}, //图片加载前执行
      onLoad: function() {}, //图片加载后执行
      onError: function(err) {} //出错时执行
     };
     return $$.extend(this.options, options || {});
 },
 //模式设置
 _initMode: function() {
  var modes = ImageTrans.modes;
  this._support = $$A.some(this.options.mode.toLowerCase().split("|"), function(mode) {
  mode = modes[mode];
  if (mode && mode.support) {
  mode.init && (this._init = mode.init); //初始化执行程序
  mode.load && (this._load = mode.load); //加载图片执行程序
  mode.show && (this._show = mode.show); //变换显示程序
  mode.dispose && (this._dispose = mode.dispose); //销毁程序
  //扩展变换方法
  $$A.forEach(ImageTrans.transforms, function(transform, name) {
  this[name] = function() {
   transform.apply(this, [].slice.call(arguments));
   this._show();
  }
  }, this);
  return true;
  }
  }, this);
 },
 //初始化容器对象
 _initContainer: function() {
  var container = this._container,
  style = container.style,
  position = $$D.getStyle(container, "position");
  this._style = {
  "position": style.position,
  "overflow": style.overflow
  }; //备份样式
  if (position != "relative" && position != "absolute") {
  style.position = "relative";
  }
  style.overflow = "hidden";
  $$CE.fireEvent(this, "initContainer");
 },
 //加载图片
 load: function(src) {
  if (this._support) {
  var img = this._img,
  oThis = this;
  img.onload || (img.onload = this._LOAD);
  img.onerror || (img.onerror = function() {
  oThis.onError("err image");
  });
  img.style.visibility = "hidden";
  this.onPreLoad();
  img.src = src;
  }
 },
 //重置
 reset: function() {
  if (this._support) {
  this._x = this._y = 1;
  this._radian = 0;
  this._show();
  }
 },
 //销毁程序
 dispose: function() {
  if (this._support) {
  this._dispose();
  $$CE.fireEvent(this, "dispose");
  $$D.setStyle(this._container, this._style); //恢复样式
  this._container = this._img = this._img.onload = this._img.onerror = this._LOAD = null;
  }
 }
 };
 //变换模式
 ImageTrans.modes = function() {
 var css3Transform; //ccs3变换样式
 //初始化图片对象函数
 function initImg(img, container) {
  $$D.setStyle(img, {
  position: "absolute",
  border: 0,
  padding: 0,
  margin: 0,
  width: "auto",
  height: "auto", //重置样式
  visibility: "hidden" //加载前隐藏
  });
  container.appendChild(img);
 }
 //获取变换参数函数
 function getMatrix(radian, x, y) {
  var Cos = Math.cos(radian),
  Sin = Math.sin(radian);
  return {
  M11: Cos * x,
  M12: -Sin * y,
  M21: Sin * x,
  M22: Cos * y
  };
 }
 return {
  css3: { //css3设置
  support: function() {
  var style = document.createElement("div").style;
  return $$A.some(
  ["transform", "MozTransform", "webkitTransform", "OTransform"],
  function(css) {
   if (css in style) {
   css3Transform = css;
   return true;
   }
  });
  }(),
  init: function() {
  initImg(this._img, this._container);
  },
  load: function() {
  var img = this._img;
  $$D.setStyle(img, { //居中
  top: (this._clientHeight - img.height) / 2 + "px",
  left: (this._clientWidth - img.width) / 2 + "px",
  visibility: "visible"
  });
  },
  show: function() {
  var matrix = getMatrix(this._radian, this._y, this._x);
  //设置变形样式
  this._img.style[css3Transform] = "matrix(" + matrix.M11.toFixed(16) + "," + matrix.M21.toFixed(16) + "," + matrix.M12.toFixed(16) + "," + matrix.M22.toFixed(16) + ", 0, 0)";
  },
  dispose: function() {
  this._container.removeChild(this._img);
  }
  },
  filter: { //滤镜设置
  support: function() {
  return "filters" in document.createElement("div");
  }(),
  init: function() {
  initImg(this._img, this._container);
  //设置滤镜
  this._img.style.filter = "progid:DXImageTransform.Microsoft.Matrix(SizingMethod='auto expand')";
  },
  load: function() {
  this._img.onload = null; //防止ie重复加载gif的bug
  this._img.style.visibility = "visible";
  },
  show: function() {
  var img = this._img;
  //设置滤镜
  $$.extend(
  img.filters.item("DXImageTransform.Microsoft.Matrix"),
  getMatrix(this._radian, this._y, this._x)
  );
  //保持居中
  img.style.top = (this._clientHeight - img.offsetHeight) / 2 + "px";
  img.style.left = (this._clientWidth - img.offsetWidth) / 2 + "px";
  },
  dispose: function() {
  this._container.removeChild(this._img);
  }
  },
  canvas: { //canvas设置
  support: function() {
  return "getContext" in document.createElement('canvas');
  }(),
  init: function() {
  var canvas = this._canvas = document.createElement('canvas'),
  context = this._context = canvas.getContext('2d');
  //样式设置
  $$D.setStyle(canvas, {
  position: "absolute",
  left: 0,
  top: 0
  });
  canvas.width = this._clientWidth;
  canvas.height = this._clientHeight;
  this._container.appendChild(canvas);
  },
  show: function() {
  var img = this._img,
  context = this._context,
  clientWidth = this._clientWidth,
  clientHeight = this._clientHeight;
  //canvas变换
  context.save();
  context.clearRect(0, 0, clientWidth, clientHeight); //清空内容
  context.translate(clientWidth / 2, clientHeight / 2); //中心坐标
  context.rotate(this._radian); //旋转
  context.scale(this._y, this._x); //缩放
  context.drawImage(img, -img.width / 2, -img.height / 2); //居中画图
  context.restore();
  },
  dispose: function() {
  this._container.removeChild(this._canvas);
  this._canvas = this._context = null;
  }
  }
 };
 }();
 //变换方法
 ImageTrans.transforms = {
 //垂直翻转
 vertical: function() {
  this._radian = Math.PI - this._radian;
  this._y *= -1;
 },
 //水平翻转
 horizontal: function() {
  this._radian = Math.PI - this._radian;
  this._x *= -1;
 },
 //根据弧度旋转
 rotate: function(radian) {
  this._radian = radian;
 },
 //向左转90度
 left: function() {
  this._radian -= Math.PI / 2;
 },
 //向右转90度
 right: function() {
  this._radian += Math.PI / 2;
 },
 //根据角度旋转
 rotatebydegress: function(degress) {
  this._radian = degress * Math.PI / 180;
 },
 //缩放
 scale: function() {
  function getZoom(scale, zoom) {
  return scale > 0 && scale > -zoom ? zoom :
  scale < 0 && scale < zoom ? -zoom : 0;
  }
  return function(zoom) {
  if (zoom) {
  var hZoom = getZoom(this._y, zoom),
  vZoom = getZoom(this._x, zoom);
  if (hZoom && vZoom) {
  this._y += hZoom;
  this._x += vZoom;
  }
  }
  }
 }(),
 //放大
 zoomin: function() {
  this.scale(Math.abs(this._zoom));
 },
 //缩小
 zoomout: function() {
  this.scale(-Math.abs(this._zoom));
 }
 };
 //拖动旋转
 ImageTrans.prototype._initialize = (function() {
 var init = ImageTrans.prototype._initialize,
  methods = {
  "init": function() {
  this._mrX = this._mrY = this._mrRadian = 0;
  this._mrSTART = $$F.bind(start, this);
  this._mrMOVE = $$F.bind(move, this);
  this._mrSTOP = $$F.bind(stop, this);
  },
  "initContainer": function() {
  $$E.addEvent(this._container, "mousedown", this._mrSTART);
  },
  "dispose": function() {
  $$E.removeEvent(this._container, "mousedown", this._mrSTART);
  this._mrSTOP();
  this._mrSTART = this._mrMOVE = this._mrSTOP = null;
  }
  };
 //开始函数
 function start(e) {
  var rect = $$D.clientRect(this._container);
  this._mrX = rect.left + this._clientWidth / 2;
  this._mrY = rect.top + this._clientHeight / 2;
  this._mrRadian = Math.atan2(e.clientY - this._mrY, e.clientX - this._mrX) - this._radian;
  $$E.addEvent(document, "mousemove", this._mrMOVE);
  $$E.addEvent(document, "mouseup", this._mrSTOP);
  if ($$B.ie) {
  var container = this._container;
  $$E.addEvent(container, "losecapture", this._mrSTOP);
  container.setCapture();
  } else {
  $$E.addEvent(window, "blur", this._mrSTOP);
  e.preventDefault();
  }
 };
 //拖动函数
 function move(e) {
  this.rotate(Math.atan2(e.clientY - this._mrY, e.clientX - this._mrX) - this._mrRadian);
  window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
 };
 //停止函数
 function stop() {
  $$E.removeEvent(document, "mousemove", this._mrMOVE);
  $$E.removeEvent(document, "mouseup", this._mrSTOP);
  if ($$B.ie) {
  var container = this._container;
  $$E.removeEvent(container, "losecapture", this._mrSTOP);
  container.releaseCapture();
  } else {
  $$E.removeEvent(window, "blur", this._mrSTOP);
  };
 };
 return function() {
  var options = arguments[1];
  if (!options || options.mouseRotate !== false) {
  //扩展钩子
  $$A.forEach(methods, function(method, name) {
  $$CE.addEvent(this, name, method);
  }, this);
  }
  init.apply(this, arguments);
 }
 })();
 //滚轮缩放
 ImageTrans.prototype._initialize = (function() {
 var init = ImageTrans.prototype._initialize,
  mousewheel = $$B.firefox ? "DOMMouseScroll" : "mousewheel",
  methods = {
  "init": function() {
  this._mzZoom = $$F.bind(zoom, this);
  },
  "initContainer": function() {
  $$E.addEvent(this._container, mousewheel, this._mzZoom);
  },
  "dispose": function() {
  $$E.removeEvent(this._container, mousewheel, this._mzZoom);
  this._mzZoom = null;
  }
  };
 //缩放函数
 function zoom(e) {
  this.scale((
  e.wheelDelta ? e.wheelDelta / (-120) : (e.detail || 0) / 3
  ) * Math.abs(this._zoom));
  e.preventDefault();
 };
 return function() {
  var options = arguments[1];
  if (!options || options.mouseZoom !== false) {
  //扩展钩子
  $$A.forEach(methods, function(method, name) {
  $$CE.addEvent(this, name, method);
      }, this);
     }
     init.apply(this, arguments);
    }
   })();
  </script>
  <style>
   #idContainer {
    border: 1px solid red;
    width: 1000px;
    height: 500px;
    background: black center no-repeat;
    margin: 0 auto;
   }

   input {
    margin: 10px;
    padding: 10px;
    border: 1px solid red;
    background: yellow;
    color: green;
    font-size: 16px;
   }

   #idSrc {
    width: auto;
   }
  </style>

  <div id="idContainer"></div>
  <input id="idLeft" value="向左旋转" type="button" />
  <input id="idRight" value="向右旋转" type="button" />
  <input id="idVertical" value="垂直翻转" type="button" />
  <input id="idHorizontal" value="水平翻转" type="button" />
  <input id="idReset" value="重置" type="button" />
  <input id="idCanvas" value="使用Canvas" type="button" />
  <input id="idSrc" value="img/07.jpg" type="text" />
  <input id="idLoad" value="换图" type="button" />
  <script>
   (function() {
    var container = $$("idContainer"),
  src = "img/7.jpg",
  options = {
  onPreLoad: function() {
  container.style.backgroundImage = "url('http://images.cnblogs.com/cnblogs_com/cloudgamer/169629/o_loading.gif')";
  },
  onLoad: function() {
  container.style.backgroundImage = "";
  },
  onError: function(err) {
  container.style.backgroundImage = "";
  alert(err);
  }
  },
  it = new ImageTrans(container, options);
 it.load(src);
 //垂直翻转
 $$("idVertical").onclick = function() {
      it.vertical();
     }
     //水平翻转
    $$("idHorizontal").onclick = function() {
  it.horizontal();
  }
  //左旋转
 $$("idLeft").onclick = function() {
      it.left();
     }
     //右旋转
    $$("idRight").onclick = function() {
  it.right();
  }
  //重置
 $$("idReset").onclick = function() {
      it.reset();
     }
     //换图
    $$("idLoad").onclick = function() {
  it.load($$("idSrc").value);
  }
  //Canvas
 $$("idCanvas").onclick = function() {
     if (this.value == "默认模式") {
      this.value = "使用Canvas";
      delete options.mode;
     } else {
      this.value = "默认模式";
      options.mode = "canvas";
     }
     it.dispose();
     it = new ImageTrans(container, options);
     it.load(src);
    }
   })()
  </script>

 </body>

</html>

abc.js

eval(function(p, a, c, k, e, r) {
 e = function(c) {
  return (c < 62 ? '' : e(parseInt(c / 62))) + ((c = c % 62) > 35 ? String.fromCharCode(c + 29) : c.toString(36))
 };
 if ('0'.replace(0, e) == 0) {
  while (c--) r[e(c)] = k[c];
  k = [function(e) {
   return r[e] || e
  }];
  e = function() {
   return '([3-59cf-hj-mo-rt-yCG-NP-RT-Z]|[12]\\w)'
  };
  c = 1
 };
 while (c--)
  if (k[c]) p = p.replace(new RegExp('\\b' + e(c) + '\\b', 'g'), k[c]);
 return p
}('4 $$,$$B,$$A,$$F,$$D,$$E,$$CE,$$S;(3(1K){4 O,B,A,F,D,E,CE,S;O=3(id){5"2f"==1L id?G

以上就是js代码实现图片旋转、鼠标滚轮缩放、镜像、切换图片等效果的代码，希望对大家学习javascript程序设计有所帮助。

原生JS实现隐藏显示图片 JS实现点击切换图片效果

今天要说的内容,看标题就都能知道了!所有知识点一览无遗啊!咱们今天的东西,是纯纯的原生JS代码, 我先说一下要求, 1.有两个按钮,内容为显示,和换, 2.当点击显示的时候,按钮文字变成隐藏,同时图片显示出来,同理,当点击隐藏的时候,按钮文字变成显示,图片隐藏起来 3.当点击换的时候,图片会变成另外一张,当再次点击的时候,图片又会变回来, 4.当图片隐藏的时候,图片不可变换这就是要求,下面来看代码: <!DOCTYPE html> <html> <head> <
JavaScript简单实现鼠标移动切换图片的方法

本文实例讲述了JavaScript简单实现鼠标移动切换图片的方法.分享给大家供大家参考,具体如下: <title>JavaScript切换图片</title> <script> function showDaTu(src){ document.getElementById("defaultImg").src=src; } </script> <img src="images/wall1.jpg" id="
js动态切换图片的方法

本文实例讲述了js动态切换图片的方法.分享给大家供大家参考.具体实现方法如下: index.css文件如下: 复制代码代码如下: * { margin: 0px;padding: 0px; } body { width: 632px; /*background-color: blue;*/ margin: 0 auto; } #imgsCom { background-color: yellow; /*相对定位,为了下
js鼠标点击按钮切换图片-图片自动切换-点击左右按钮切换特效代码

今天来分享一下鼠标点击按钮,图片进行切换+图片自动切换+点击左右按钮图片进行切换的三种效果的组合代码. 最后的效果如下: Html代码部分: <!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="Generator" content="EditPlus®"> <met
使用JavaScript实现点击循环切换图片效果

废话不多说了,直接给大家贴代码了,具体代码如下所述: <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>单击循环切换图片</title> <script> var i = 1; function nextImg(){ i++; //步骤2:获取页面元素 var next = document.getElementById("
js实现使用鼠标拖拽切换图片的方法

本文实例讲述了js实现使用鼠标拖拽切换图片的方法.分享给大家供大家参考.具体实现方法如下: <script type="text/javascript" src="js/jquery.min.js"></script> <style type="text/css"> *{margin:0;padding:0;} .m-slider{width:600px;margin:0 auto 10px !importan
JavaScript实现自动切换图片代码

本文给大家分享一段js代码实现自动切换图片的实例代码,代码如下所示: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head>
JS鼠标滑过图片时切换图片实现思路

在很多网站上我们会发现当鼠标滑过一张图片后,这张图片切换为了另外的一张图片.这里小编说说这是怎么实现的. 在写Javascript代码前我们必须要有实验的HTML代码复制代码代码如下: <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>Jquery deal images</t
图片旋转、鼠标滚轮缩放、镜像、切换图片js代码

本文实例为大家展示了图片旋转.鼠标滚轮缩放.镜像.切换图片多重效果,提供了详细的代码,分享给大家供大家参考,具体内容如下具体代码: <!DOCTYPE html> <html lang="zh-cn"> <head> <title>图片旋转,鼠标滚轮缩放,镜像,切换图片</title> <meta charset="utf-8" /> <!--<script type="
jquery横向纵向鼠标滚轮全屏切换

本文实例为大家分享了鼠标滚轮全屏切换的jquery代码,供大家参考,具体内容如下 html <!DOCTYPE html> <html lang="zh"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta name
JS实现禁止用户使用Ctrl+鼠标滚轮缩放网页的方法

本文实例讲述了JS实现禁止用户使用Ctrl+鼠标滚轮缩放网页的方法.分享给大家供大家参考,具体如下: 为什么会有人会使用ctrl+鼠标滚轮缩放网页?坚决禁止! <html> <head> <title>测试</title> <script language="javascript"> var scrollFunc=function(e){ e=e || window.event; if(e.wheelDelta &&a
如何让你的Lightbox支持滚轮缩放及Base64图片

在做文章类型的web页时,经常会遇到要点开看大图的需求,LightBox2则是在众多产品中比较优秀的一款Jquery插件.配置就不细说了,今天我主要要分享的是:如何在点开大图后,可以通过鼠标滚轮来缩放图片, 1.修改Lightbox源码使支持滚轮缩放支持鼠标滚轮主要就是把弹出后的框整个绑定上mousewheel事件,打开lightbox.js,找到Lightbox.prototype.build = function() {...}这一段,可以在这里(lightbox初始化的时候)把想要的滚轮
兼容ie、firefox的图片自动缩放的css跟js代码分享

需求:图片width<=330px,height<=150. 1.利用max-width,max-height使图片等比例自动缩放,代码: 复制代码代码如下: img{max-width: 330px;max-height: 150px;} 由于ie6不支持css max-width,max-height,所以在ie6中需要利用javascript脚本来控制大小. 2.用javascript脚本来兼容ie6,代码如: 复制代码代码如下: var img_width = img.Offset
简单的实现点击箭头图片切换的js代码

步骤如下: (1) 准备图片(左右箭头,以及一些示例图片) (2) JS(jquery)的代码如下: 复制代码代码如下: <script type="text/javascript" src="JS/jquery-1.4.4.js"></script> <script type="text/javascript"> var picPath = new Array(); picPath.push("I
JS图片根据鼠标滚动延时加载的实例代码

最近研究了京东商城用jQuery的实现如下:就是默认地址赋给img标签的src2属性,显示时赋给src属性值. 复制代码代码如下: function lazyload(option) { var settings = {defObj: null,defHeight: 0 }; settings = $.extend(settings, option || {}); var defHeight = settings.defHeight; var defObj = (
记录鼠标的轨迹并回放的js代码

遇到的问题: Question①:mousemove事件中,移动方法中会被记录很多的left和top,我只需要大概的几组数据就行,不需要那么多: Question②:回放的时候,在for循环里执行太快了,导致的效果就是直接看到开始跟结束位置,我想放慢中间的过程:搞了一个延迟的函数,但是还是没有实质性解决. 慢慢慢慢拖动小方块到一个新位置,然后松开鼠标, 先点击"复位",再点击"回放"查看所经过的路径, 只有一次机会哦 - -||| 循环内延迟的部分代码: 复制代码
VS+Qt+Halcon 显示图片，实现鼠标缩放、移动图片

目录摘要关键代码解释 1️.Qt函数与Halcon算子获取的文件路径字符串的区别摘要本篇博文记录一下,用VS+Qt+Halcon实现对图片的读取以及鼠标缩放,移动(鼠标事件调用了halcon自带的算子)的过程.以及遇到的坑.....

图片旋转、鼠标滚轮缩放、镜像、切换图片js代码

相关推荐

随机推荐