글쓴이 : 서비큐라 날짜 : 06-01-27 10:22 조회 : 958
http://comedu.korea.ac.kr/~subicura/java/showImage.htm (534)
이미지를 클릭했을 때 비율 조정하여 새창을 열어줍니다~
일반적인 기능에 마우스 드래그, 휠(IE), 확대/축소 기능을 넣었습니다.
필요 하신분 쓰세요~
버그나 제안하실점은 코멘 남겨주세요~
————————————— 소스 ———————————————–
/*********************************************************************
* 이미지 새창으로 열어서 보기
* 파일명 : showImage.htm
* 작성자 : 서비큐라(subicura@nate.com)
* 작성일 : 06/01/27
* 상업적인 싸이트에서는 무단으로 사용할 수 없습니다.
*********************************************************************/
/*********************************************************************
* 이미지를 볼때 하나의 윈도우만 사용할 것인가?
* isUsePerText : % 표시 유무
* newWndMargin : 윈도우 해상도에서 이미지 창의 여유(margin)값
* newWndMinSize : 창의 최소 크기
*********************************************************************/
var isUsePerText = true;
var newWndMargin = 160;
var newWndMinSize = 250;
/*********************************************************************
* 각종변수
*********************************************************************/
var ImgWnd, isUseZoom, isZoom ;
var img_original_width, img_original_height, img_modify_width, img_modify_height;
var pop_mouse_x, pop_mouse_y, pop_scroll_x, pop_scroll_y, pop_mouseStatus;
var zoombox_x, zoombox_y;
/*********************************************************************
* 시작함수
*********************************************************************/
function showImage(filename)
{
image_copy = new Image();
image_copy.src = filename;
if(image_copy.width == 0 || image_copy.height == 0)
setTimeout(“showImage(‘”+filename+”‘);”,50);
else
popupImage(image_copy);
}
/*********************************************************************
* 이미지 팝업창 생성
*********************************************************************/
function popupImage(img_obj)
{
// 변수 초기화
initValue();
// 이미지 width, height 저장
img_original_width = img_obj.width;
img_original_height = img_obj.height;
// 생성될 창의 크기 조정
if(img_original_width + newWndMargin > screen.width)
{
img_modify_width = screen.width – newWndMargin;
img_modify_height = (img_original_height*img_modify_width/img_original_width);
if(img_modify_height + newWndMargin > screen.height)
{
img_modify_height = screen.height – newWndMargin;
img_modify_width = Math.ceil(img_original_width*img_modify_height/img_original_height);
}
}
else if(img_original_height + newWndMargin > screen.height)
{
img_modify_height = screen.height – newWndMargin;
img_modify_width = Math.ceil(img_original_width*img_modify_height/img_original_height);
}
else
{
img_modify_width = img_original_width;
img_modify_height = img_original_height;
}
// 위치 조정
var i_left = Math.ceil((screen.width – img_modify_width)/2);
var i_top = Math.ceil((screen.height – img_modify_height)/2);
if(i_top > newWndMargin)
i_top = newWndMargin;
// 확대 축소 사용여부
if(img_original_width != img_modify_width && img_original_height != img_modify_height)
isUseZoom = true;
else
isUseZoom = false;
// 새창 만들기
if(ImgWnd) ImgWnd.close(); // 초기화
if(img_original_width > newWndMinSize || img_original_height > newWndMinSize)
{
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+img_modify_width+’, height=’+img_modify_height+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
if(!ImgWnd.document.body)
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+img_modify_width+’, height=’+img_modify_height+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
}
else
{
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+newWndMinSize+’, height=’+newWndMinSize+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
if(!ImgWnd.document.body)
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+newWndMinSize+’, height=’+newWndMinSize+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
}
if(ImgWnd.document.body.innerHTML)
{
ImgWnd.close();
if(img_original_width > newWndMinSize || img_original_height > newWndMinSize)
{
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+img_modify_width+’, height=’+img_modify_height+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
if(!ImgWnd.document.body)
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+img_modify_width+’, height=’+img_modify_height+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
}
else
{
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+newWndMinSize+’, height=’+newWndMinSize+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
if(!ImgWnd.document.body)
ImgWnd = window.open(”, ‘viewImage’, ‘width=’+newWndMinSize+’, height=’+newWndMinSize+’, top=’+i_top+’, left=’+i_left+’, scrollbars=0,resizable=no’);
}
}
// 새창 초기화
initImgWnd(ImgWnd);
// 이미지 생성
var doc = ImgWnd.document;
var doc_style = doc.body.style;
var resize_width, resize_height;
if(img_original_width > newWndMinSize || img_original_height > newWndMinSize)
{
var new_img = doc.createElement(‘IMG’);
new_img.id = ‘showImage’;
new_img.src = img_obj.src;
new_img.width = img_modify_width;
new_img.height = img_modify_height;
doc.body.appendChild(new_img);
}
else
{
doc_style.background=’url(‘+img_obj.src+’)’;
doc_style.backgroundRepeat = ‘no-repeat’;
doc_style.backgroundPosition = ‘center’;
doc_style.backgroundColor = “#000000”;
doc.body.innerHTML = “
“;
}
// 새창에 각종객체 삽입
if(isUseZoom == true)
{
var old_zoom_box = ImgWnd.document.getElementById(‘zoom_box’);
// zoom 관련 객체를 묶음
var zoom_box = doc.createElement(‘DIV’);
zoom_box.id = ‘zoom_box’;
zoom_box.style.position = ‘absolute’;
zoom_box.style.top = img_modify_height – 60;
zoom_box.style.left = img_modify_width – 64;
zoom_box.style.width = 38;
zoom_box.style.height = 43;
doc.body.appendChild(zoom_box);
// zoom 버튼 생성
var zoom_button = doc.createElement(‘IMG’);
zoom_button.id = ‘zoom_button’;
zoom_button.src = ‘http://comedu.korea.ac.kr/~subicura/java/100_icon.gif’;
zoom_button.style.position = ‘absolute’;
zoom_button.style.width = 38;
zoom_button.style.height = 43;
zoom_button.style.top = ‘0px’;
zoom_button.style.left = ‘0px’;
zoom_box.appendChild(zoom_button);
if(isUsePerText == true)
{
// 비율 글자 생성
var zoom_percent = doc.createElement(‘DIV’);
zoom_percent.id = ‘zoom_percent’;
zoom_percent.style.position = ‘absolute’;
zoom_percent.style.top = ’29px’;
zoom_percent.style.left = ‘3px’;
zoom_percent.style.width = ’30px’;
zoom_percent.style.textAlign = ‘center’;
zoom_percent.style.fontSize = ‘8pt’;
zoom_percent.style.fontFamily = ‘돋움’;
zoom_percent.innerHTML = Math.round(img_modify_width/img_original_width*100)+’%’;
zoom_box.appendChild(zoom_percent);
}
zoombox_x = eval(zoom_box.style.left.substring(0,zoom_box.style.left.length-2));
zoombox_y = eval(zoom_box.style.top.substring(0,zoom_box.style.top.length-2));
setButtonAlpha(70);
}
// 마우스 이벤트
doc.onmousedown=ImageMouseDown;
doc.onmousemove=ImageMouseDrag;
doc.onmouseup=ImageMouseUp;
doc.onmousewheel=ImageMouseWheel; // IE 전용 FF는?
// 포커스
ImgWnd.focus();
}
/*********************************************************************
* 창 초기화
*********************************************************************/
function initImgWnd()
{
var doc = ImgWnd.document;
var doc_style = doc.body.style;
doc_style.margin = 0;
doc_style.background=’url(“http://comedu.korea.ac.kr/~subicura/java/loading.jpg”)’;
doc_style.backgroundRepeat = ‘no-repeat’;
doc_style.backgroundPosition = ‘center’;
doc_style.backgroundColor = “#000000”;
doc_style.cursor = “pointer”;
doc.title = ‘이미지’;
}
/*********************************************************************
* 창 삭제
*********************************************************************/
function destroyImgWnd()
{
initValue();
ImgWnd.document.body.style.cursor = ”;
setTimeout(“ImgWnd.close(); ImgWnd=”;”,10);
ImgWnd.document.onmousedown=null;
ImgWnd.document.onmousemove=null;
ImgWnd.document.onmouseup=null;
ImgWnd.document.onmousewheel=null;
}
// 각종변수 초기화
function initValue()
{
isZoom = false;
wheelCount = 0;
pop_scroll_x = pop_scroll_y = 0;
pop_mouseStatus = ”;
}
/*********************************************************************
* 마우스 이벤트
*********************************************************************/
function ImageMouseDown(e)
{
if (ImgWnd.window.event) // IE
{
pop_mouse_x = ImgWnd.window.event.clientX;
pop_mouse_y = ImgWnd.window.event.clientY;
if(ImgWnd.window.event.srcElement.id == ‘zoom_button’ || ImgWnd.window.event.srcElement.id == ‘zoom_percent’)
{
pop_mouseStatus = ”;
zoomImg();
}
else if(ImgWnd.window.event.button != 2 && ImgWnd.window.event.button != 4)
pop_mouseStatus = ‘drag’;
}
else
{
pop_mouse_x = e.clientX;
pop_mouse_y = e.clientY;
if(e.target.getAttribute(‘id’) == ‘zoom_button’ || e.target.getAttribute(‘id’) == ‘zoom_percent’)
{
pop_mouseStatus = ”;
zoomImg();
}
else if(e.button != 2 && e.button != 1)
pop_mouseStatus = ‘drag’;
}
// 클릭순간의 좌표 기억
pop_scroll_x = ImgWnd.document.body.scrollLeft;
pop_scroll_y = ImgWnd.document.body.scrollTop;
// 커서 모양 바꿈
if(isZoom == true)
ImgWnd.document.body.style.cursor = “move”;
return false;
}
function ImageMouseUp(e)
{
ImgWnd.document.body.style.cursor = “pointer”;
// 종료
if (ImgWnd.window.event) // IE
{
if(pop_mouse_x == ImgWnd.window.event.clientX && pop_mouse_y == ImgWnd.window.event.clientY && pop_mouseStatus == ‘drag’)
destroyImgWnd();
}
else
{
if(pop_mouse_x == e.clientX && pop_mouse_y == e.clientY && pop_mouseStatus == ‘drag’)
destroyImgWnd();
}
// 아이콘 위치 이동
if(isUseZoom == true)
{
if(pop_mouseStatus == ‘drag’ && isZoom == true)
{
var zoom_box = ImgWnd.document.getElementById(‘zoom_box’);
zoom_box.style.left = (ImgWnd.document.body.scrollLeft + zoombox_x)+’px’;
zoom_box.style.top = (ImgWnd.document.body.scrollTop + zoombox_y)+’px’;
zoom_box.style.display = ”;
}
}
// 스크롤 위치 기억/휠 위치 초기화
pop_scroll_y = ImgWnd.document.body.scrollTop;
wheelCount = 0;
pop_mouseStatus = ”;
return false;
}
function ImageMouseDrag(e)
{
// 드래그할때 스크롤링
if(pop_mouseStatus == ‘drag’ && isZoom == true)
{
// 줌버튼 숨김
ImgWnd.document.getElementById(‘zoom_box’).style.display = ‘none’;
if(ImgWnd.window.event) // IE
ImgWnd.scroll(pop_scroll_x + (pop_mouse_x – ImgWnd.window.event.clientX)*2, pop_scroll_y+(pop_mouse_y – ImgWnd.window.event.clientY)*2);
else
ImgWnd.scroll(pop_scroll_x + (pop_mouse_x – e.clientX)*2, pop_scroll_y+(pop_mouse_y – e.clientY)*2);
}
else if(pop_mouseStatus == ‘drag’ && isZoom == false)
;// 뭔가 들어가야 되는데 쩝;
else
ImgWnd.document.body.style.cursor = “pointer”;
// zoom 롤오버 체크
if(isUseZoom == true)
{
if (ImgWnd.window.event) // IE
{
if(ImgWnd.window.event.srcElement.id == ‘zoom_button’ || ImgWnd.window.event.srcElement.id == ‘zoom_percent’)
setButtonAlpha(95);
else
setButtonAlpha(70);
}
else
{
if(e.target.getAttribute(‘id’) == ‘zoom_button’ || e.target.getAttribute(‘id’) == ‘zoom_percent’)
setButtonAlpha(95);
else
setButtonAlpha(70);
}
}
return false;
}
function ImageMouseWheel(e)
{
if(isZoom == true)
{
var zoom_box = ImgWnd.document.getElementById(‘zoom_box’);
var temp = ImgWnd.document.body.scrollTop;
wheelCount += (ImgWnd.window.event.wheelDelta > 0) ? 1 : -1;
zoom_box.style.display = ‘none’;
ImgWnd.scroll(pop_scroll_x, (pop_scroll_y-wheelCount*120));
if(temp != ImgWnd.document.body.scrollTop)
{
zoom_box.style.left = (ImgWnd.document.body.scrollLeft + zoombox_x)+’px’;
zoom_box.style.top = (ImgWnd.document.body.scrollTop + zoombox_y)+’px’;
}
else
{
wheelCount -= (ImgWnd.window.event.wheelDelta > 0) ? 1 : -1;
}
zoom_box.style.display = ”;
}
}
/*********************************************************************
* 버튼 투명도 조정
*********************************************************************/
function setButtonAlpha(opacity)
{
var zoom_box;
zoom_box = ImgWnd.document.getElementById(‘zoom_box’);
zoom_box.style.filter = “alpha(opacity=” + opacity + “)”;
zoom_box.style.KhtmlOpacity = (opacity / 100);
zoom_box.style.MozOpacity = (opacity / 100);
}
/*********************************************************************
* 이미지 줌인/줌아웃
*********************************************************************/
function zoomImg()
{
// 이미지 관련
var zoom_img = ImgWnd.document.getElementById(‘showImage’);
var per_text = ImgWnd.document.getElementById(‘zoom_percent’);
per_text.innerHTML = Math.ceil(zoom_img.style.width/img_original_width*100)+’%’;
// 윈도우 창 크기 조정 관련
var resize_width=0, resize_height=0;
if(zoom_img.clientWidth == img_original_width)
{
zoom_img.style.width = img_modify_width;
zoom_img.style.height = img_modify_height;
per_text.innerHTML = Math.ceil(img_modify_width/img_original_width*100)+’%’;
isZoom = false;
// 창 크기 조정
if(img_modify_width == screen.width – newWndMargin)
{
if(!ImgWnd.window.innerHeight) // IE
resize_height = img_modify_height – ImgWnd.window.document.body.offsetHeight;
else
resize_height = img_modify_height – ImgWnd.window.innerHeight;
}
else
{
if(!ImgWnd.window.innerWidth) // IE
resize_width = img_modify_width – ImgWnd.window.document.body.offsetWidth;
else
resize_width = img_modify_width – ImgWnd.window.innerWidth;
}
// 버튼 위치 초기화
var zoom_box = ImgWnd.document.getElementById(‘zoom_box’);
zoom_box.style.left = zoombox_x + ‘px’;
zoom_box.style.top = zoombox_y + ‘px’;
// 버튼 이미지 변경
var zoombutton = ImgWnd.document.getElementById(‘zoom_button’);
zoombutton.src = ‘http://comedu.korea.ac.kr/~subicura/java/100_icon.gif’;
}
else
{
zoom_img.style.width = img_original_width;
zoom_img.style.height = img_original_height;
per_text.innerHTML = ‘100%’;
isZoom = true;
var zoombutton = ImgWnd.document.getElementById(‘zoom_button’);
zoombutton.src = ‘http://comedu.korea.ac.kr/~subicura/java/00_icon.gif’;
// 창 크기 조정
if(img_modify_width+newWndMargin == screen.width)
{
if(img_original_height+newWndMargin > screen.height)
resize_height = screen.height-newWndMargin-img_modify_height;
else
resize_height = img_original_height-img_modify_height;
}
else
{
if(img_original_width+newWndMargin > screen.width)
resize_width = screen.width-newWndMargin-img_modify_width;
else
resize_width = img_original_width-img_modify_width;
}
}
// 창 크기 조정
if(Math.abs(resize_width) > 70 || Math.abs(resize_height) > 70)
{
if(navigator.appName.indexOf(“Microsoft”) != -1) // IE Bug
ImgWnd.moveTo(0,0);
ImgWnd.resizeBy(resize_width,resize_height);
// 윈도우 창 위치 조정
if(!ImgWnd.window.innerHeight) // ie
{
ImgWnd.moveTo(Math.ceil((screen.width – ImgWnd.window.document.body.offsetWidth)/2), Math.ceil((screen.height – ImgWnd.window.document.body.offsetHeight)/2));
}
else
{
ImgWnd.moveTo(Math.ceil((screen.width – ImgWnd.window.innerWidth)/2), Math.ceil((screen.height – ImgWnd.window.innerHeight)/2));
}
// 줌 버튼 위치 이동
var zoom_box = ImgWnd.document.getElementById(‘zoom_box’);
zoombox_x += resize_width;
zoombox_y += resize_height;
zoom_box.style.left = zoombox_x+’px’;
zoom_box.style.top = zoombox_y+’px’;
}
}
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