예제 - 이미지를 원본 크기로 볼 수 있도록 새창으로 열기 확장 (리사이징 및 이미지 드래그)

by 조쉬 posted Jun 19, 2015
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 [코드]

Image_newWindowPopupExam3.html 

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
<script src="mw_image_window.js"></script>
</head>
<body>

<img id="myImg1" src="bigc.png" onclick="mw_image_window(this)" style="width:300px;height:98px;"> 
<img id="myImg3" src="bigc1.png" onclick="mw_image_window(this)" style="width:300px;height:98px;"> 
<img id="myImg2" src="smallc.jpg" onclick="mw_image_window(this)" style="width:300px;height:98px;"> 

<p>Click the button to return the original size and the "new/styled" size of the image.</p>
<p id="demo"></p>
<button onclick="myFunction()">Try it</button>

<script>
function myFunction() {
    
    var resultStr = "";

    $("img").each(function(index,item){ 
        
        console.log(item);
        var xw = item.naturalWidth; //이미지의 원래 가로크기
        var xh = item.naturalHeight; //이미지의 원래 세로크기
        
        var yw = item.width; //이미지의 가로크기
        var yh = item.height; //이미지의 세로크기
        

        resultStr += "이미지아이디: "+item.id;
        resultStr += "<br/>";
        resultStr += "이미지의 원래 크기(w*h) : " + xw + "*" + xh ;
        resultStr += "<br/>";
        resultStr += "이미지의 현재(Styled) 크기(w*h) : " + yw + "*" + yh ;
        resultStr += "<br/>";
        resultStr += "<br/>";
        
    });    

    $("#demo").html(resultStr);
}
</script>

</body>
</html>

 mw_image_window.js

Colored By Color Scripter

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function mw_image_window(img, w, h)
{
    //이미지 url을 가지고 새로운 이미지 객체를 생성해주는 내부 함수.
    function newImg(url) { 
        var i = new Image;
        i.src = url;
        return i;
    }

    //width 또는 height의 값을 전달 받지 않았을 경우 이미지의 원래크기로 세팅
    if (!w || !h) 
    {        
        if( 'naturalWidth' in (new Image)) { //Image객체에 naturalWidth 의 프로퍼티가 있을경우
            var w = img.naturalWidth; //이미지의 원래 가로크기
            var h = img.naturalHeight; //이미지의 원래 세로크기
        }else {
            //전달 받은 이미지 주소를 가지고 새로운 이미지객체 생성
            //새로 생성된 이미지 객체를 통해서 이미지의 원래크기를 구함.
            var w = newImg(img.src).width; 
            var h = newImg(img.src).height;
        }        
    }
    
    //img.src= img.src.replace("/thumbnail", ""); 

    var winl = (screen.availWidth-w)/2; 
    var wint = (screen.availHeight-h)/3; 

    var winW = w;
    var winH = h;

    //이미지크기가 화면의 크기보다 클경우 처리
    if (winW > screen.availWidth) { 
        winl = 0;
        winW = screen.availWidth - 43
        
    }    
    if (winH > screen.availHeight) {
        wint = 0;
        winH = screen.availHeight - 83
    }

    console.log("=============================");
    console.log("ImgWidth: "+w+"/ImgHeight: "+h);
    console.log("winWidth: "+winW+"/winHeight: "+winH);
    console.log("winleft: "+winl+"/wintop: "+wint);
    console.log("=============================");

    var js_url = "<script language='JavaScript1.2'> \n"; 
        js_url += "<!-- \n"; 
        js_url += "var ie=document.all; \n"; 
        js_url += "var nn6=document.getElementById&&!document.all; \n"; 
        js_url += "var isdrag=false; \n"; 
        js_url += "var x,y; \n"; 
        js_url += "var dobj; \n"; 
        js_url += "function movemouse(e) \n"; 
        js_url += "{ \n"; 
        js_url += "  if (isdrag) \n"; 
        js_url += "  { \n"; 
        js_url += "    dobj.style.left = nn6 ? tx + e.clientX - x : tx + event.clientX - x; \n"; 
        js_url += "    dobj.style.top  = nn6 ? ty + e.clientY - y : ty + event.clientY - y; \n"; 
        js_url += "    return false; \n"; 
        js_url += "  } \n"; 
        js_url += "} \n"; 
        js_url += "function selectmouse(e) \n"; 
        js_url += "{ \n"; 
        js_url += "  var fobj      = nn6 ? e.target : event.srcElement; \n"; 
        js_url += "  var topelement = nn6 ? 'HTML' : 'BODY'; \n"; 
        js_url += "  while (fobj.tagName != topelement && fobj.className != 'dragme') \n"; 
        js_url += "  { \n"; 
        js_url += "    fobj = nn6 ? fobj.parentNode : fobj.parentElement; \n"; 
        js_url += "  } \n"; 
        js_url += "  if (fobj.className=='dragme') \n"; 
        js_url += "  { \n"; 
        js_url += "    isdrag = true; \n"; 
        js_url += "    dobj = fobj; \n"; 
        js_url += "    tx = parseInt(dobj.style.left+0); \n"; 
        js_url += "    ty = parseInt(dobj.style.top+0); \n"; 
        js_url += "    x = nn6 ? e.clientX : event.clientX; \n"; 
        js_url += "    y = nn6 ? e.clientY : event.clientY; \n"; 
        js_url += "    document.onmousemove=movemouse; \n"; 
        js_url += "    return false; \n"; 
        js_url += "  } \n"; 
        js_url += "} \n"; 
        js_url += "document.onmousedown=selectmouse; \n"; 
        js_url += "document.onmouseup=new Function('isdrag=false'); \n"; 
        js_url += "function resizeWindow(){ \n";    
        js_url += "     var fullHeight = screen.availHeight; \n";    
        js_url += "     var fullWidth = screen.availWidth;     \n";    
        js_url += "     var imgWidth = "+ (w + 43) + "\n";    
        js_url += "     var imgHeight = " + (h + 83) + "\n";    
        js_url += "     if (imgWidth > fullWidth) { \n";    
        //js_url += "         window.moveTo(0,0); \n";    
        js_url += "          imgWidth = fullWidth; \n";    
        js_url += "     } \n";    
        js_url += "     if (imgHeight > fullHeight) { \n";    
        js_url += "          imgHeight = fullHeight; \n";    
        js_url += "     } \n";    
        
        js_url += "     window.resizeTo(imgWidth, imgHeight); \n";    
        js_url += "} \n";    
        js_url += "window.onload = function(){ \n";    
        js_url += "     resizeWindow(); \n";    
        js_url += "     document.oncontextmenu = function (){return false;}; \n";    
        js_url += "     document.ondragstart = function(){return false;}; \n";    
        js_url += "     document.onselectstart = function(){return false;}; \n";    
        js_url += "} \n";    

        
        
        js_url += "//--> \n"; 
        js_url += "</"+"script> \n"; 

    
    var settings;    //새창의 옵션을 저장할 변수

    //케코 레이아웃 엔진을 사용하는지 여부 
    var is_gecko = navigator.userAgent.toLowerCase().indexOf("gecko") >= -1;
    
    var settings;

    if (is_gecko) {
        settings  ='width='+(winW+10)+','; 
        settings +='height='+(winH+10)+','; 
    } else {
        settings  ='width='+winW+','; 
        settings +='height='+winH+','; 
    }
    settings +='top='+wint+','; 
    settings +='left='+winl+','; 
    settings +='scrollbars=no,'; 
    settings +='resizable=yes,'; 
    settings +='status=no'; 


    win=window.open("","image_window",settings); 
    win.document.open(); 
    win.document.write ("<html><head> \n<meta http-equiv='imagetoolbar' CONTENT='no'> \n"); 
    win.document.write ("<meta http-equiv='content-type' content='text/html; charset=UTF-8'>\n"); 
    var size = "이미지 사이즈 : "+w+" x "+h;
    win.document.write ("<title>"+size+"</title> \n"); 
    if(w >= screen.width || h >= screen.height) { //이미지 크기가 화면보다 더 클경우 리사이즈 및 드래그할수있는 스크립트 추가 
        win.document.write (js_url); 
        var click = "ondblclick='window.close();' style='cursor:move' title=' "
                    +size+" \n\n 이미지 사이즈가 화면보다 큽니다. "
                    +"\n 왼쪽 버튼을 클릭한 후 마우스를 움직여서 보세요. \n\n 더블 클릭하면 닫혀요. '"; 
    } 
    else 
        var click = "onclick='window.close();' style='cursor:pointer' title=' "+size+" \n\n 클릭하면 닫혀요. '"; 
    win.document.write ("<style>.dragme{position:relative;}</style> \n"); 
    win.document.write ("</head> \n\n"); 
    win.document.write ("<body leftmargin=0 topmargin=0 bgcolor=#dddddd style='cursor:arrow;'> \n"); 
    win.document.write ("<table width=100% height=100% cellpadding=0 cellspacing=0>");
    win.document.write ("<tr><td align=center valign=middle>");
    win.document.write ("<img src='"+img.src+"' width='"+w+"' height='"+h+"' border=0 class='dragme' "+click+">");
    win.document.write ("</td></tr></table>");
    win.document.write ("</body></html>"); 
    win.document.close(); 

    if(parseInt(navigator.appVersion) >= 4){win.window.focus();} 

}

 



 

 


 [코드]

화면사이즈보다 작은 이미지일경우 출력되는 문서내용

 

Colored By Color Scripter

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<html>
<head> 
<meta http-equiv='imagetoolbar' CONTENT='no'> 
<meta http-equiv='content-type' content='text/html; charset=UTF-8'>
<title>이미지 사이즈 : 375 x 500</title> 
<style>.dragme{position:relative;}</style> 
</head> 

<body leftmargin=0 topmargin=0 bgcolor=#dddddd style='cursor:arrow;'> 
    <table width=100% height=100% cellpadding=0 cellspacing=0><tr>
    <td align=center valign=middle>
    <img src='smallc.jpg' width='375' height='500' border=0 class='dragme' 
         onclick='window.close();' style='cursor:pointer' 
         title=' 이미지 사이즈 : 375 x 500 \n클릭하면 닫혀요. '>

    </td></tr>
    </table>
</body>
</html>

 화면사이즈보다 큰 이미지일경우 출력되는 문서내용

Colored By Color Scripter

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<html><head> 
<meta http-equiv='imagetoolbar' CONTENT='no'> 
<meta http-equiv='content-type' content='text/html; charset=UTF-8'>
<title>이미지 사이즈 : 1920 x 1200</title> 
<script language='JavaScript1.2'> 
<!-- 
var ie=document.all; 
var nn6=document.getElementById&&!document.all; 
var isdrag=false; 
var x,y; 
var dobj; 
function movemouse(e) 

  if (isdrag) 
  { 
    dobj.style.left = nn6 ? tx + e.clientX - x : tx + event.clientX - x; 
    dobj.style.top  = nn6 ? ty + e.clientY - y : ty + event.clientY - y; 
    return false; 
  } 

function selectmouse(e) 

  var fobj      = nn6 ? e.target : event.srcElement; 
  var topelement = nn6 ? 'HTML' : 'BODY'
  while (fobj.tagName != topelement && fobj.className != 'dragme'
  { 
    fobj = nn6 ? fobj.parentNode : fobj.parentElement; 
  } 
  if (fobj.className=='dragme'
  { 
    isdrag = true; 
    dobj = fobj; 
    tx = parseInt(dobj.style.left+0); 
    ty = parseInt(dobj.style.top+0); 
    x = nn6 ? e.clientX : event.clientX; 
    y = nn6 ? e.clientY : event.clientY; 
    document.onmousemove=movemouse; 
    return false; 
  } 

document.onmousedown=selectmouse; 
document.onmouseup=new Function('isdrag=false'); 
function resizeWindow(){ 
     var fullHeight = screen.availHeight; 
     var fullWidth = screen.availWidth;     
     var imgWidth = 1963
     var imgHeight = 1283
     if (imgWidth > fullWidth) { 
          imgWidth = fullWidth; 
     } 
     if (imgHeight > fullHeight) { 
          imgHeight = fullHeight; 
     } 
     window.resizeTo(imgWidth, imgHeight); 

window.onload = function(){ 
     resizeWindow(); 
     document.oncontextmenu = function (){return false;}; 
     document.ondragstart = function(){return false;}; 
     document.onselectstart = function(){return false;}; 

//--> 
</script> 
<style>.dragme{position:relative;}</style> 
</head> 

<body leftmargin=0 topmargin=0 bgcolor=#dddddd style='cursor:arrow;'> 
<table width=100% height=100% cellpadding=0 cellspacing=0><tr>
<td align=center valign=middle>
<img src='bigc.png' width='1920' height='1200' border=0 class='dragme' 
     ondblclick='window.close();' style='cursor:move' 
     title=' 이미지 사이즈 : 1920 x 1200 \n 이미지 사이즈가 화면보다 큽니다. 왼쪽 버튼을 클릭한 후 마우스를 움직여서 보세요. \n\n 더블 클릭하면 닫혀요. '>

</td>
</tr>
</table>
</body>
</html>

 

 

 

 



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