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345 lines
13 KiB
HTML
345 lines
13 KiB
HTML
<!DOCTYPE html>
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<html lang="ko">
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<head>
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<meta charset="UTF-8">
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<title>그리기 에디터 대화상자 (HTML 텍스트입력)</title>
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<!-- Bootstrap 5.3 CSS + Icons -->
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
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<link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/bootstrap-icons.css" rel="stylesheet">
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<style>
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body { padding: 1rem; }
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dialog {
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width: 90vw; height: 90vh;
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border: none; border-radius: .5rem;
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padding: 0; overflow: hidden;
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}
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dialog::backdrop { background: rgba(0,0,0,.5); }
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#editorHeader {
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background: #f8f9fa; padding: .5rem 1rem;
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border-bottom: 1px solid #dee2e6;
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}
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#editorHeader h5 { margin: 0; display: inline; }
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#editorHeader .btn-close { float: right; }
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#editorToolbar, #editorToolbar2 {
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background: #fff;
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padding: .5rem; gap: .25rem;
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}
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#editorToolbar { display: flex; align-items: center; flex-wrap: wrap; }
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#editorToolbar2 { display: flex; align-items: center; }
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.toolbar-btn { width: 40px; height: 40px; padding: 0; }
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.toolbar-btn i { font-size: 1.2rem; }
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.toolbar-btn.active { background-color: #0d6efd; color: #fff; }
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.color-btn { width: 24px; height: 24px; padding: 0; border: 2px solid #fff; cursor: pointer; }
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.color-btn.active { border-color: #000; }
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#editorBody { position: relative; width: 100%; height: calc(100% - 128px); }
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#editorBody canvas { width: 100%; height: 100%; cursor: crosshair; }
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.form-range { width: 150px; }
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/* HTML textarea 스타일 */
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.canvas-text-input {
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position: absolute;
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border: 1px dashed #666;
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background: transparent;
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resize: none;
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outline: none;
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padding: 2px;
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font-family: sans-serif;
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}
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</style>
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</head>
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<body>
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<!-- 그리기 시작 버튼 -->
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<button id="openEditorBtn" class="btn btn-primary mb-3">
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<i class="bi bi-pencil-square"></i> 그리기 시작
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</button>
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<!-- 대화상자 -->
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<dialog id="editorDialog">
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<div id="editorHeader">
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<h5>이미지 편집기</h5>
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<button type="button" class="btn-close" aria-label="닫기" id="closeEditorBtn"></button>
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</div>
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<!-- 툴바 -->
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<div id="editorToolbar">
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<button id="polyBtn" class="btn btn-outline-primary toolbar-btn" title="폴리라인"><i class="bi bi-vector-pen"></i></button>
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<button id="freeBtn" class="btn btn-outline-primary toolbar-btn" title="자유선"><i class="bi bi-brush"></i></button>
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<button id="lineBtn" class="btn btn-outline-primary toolbar-btn" title="직선 (L키)"><i class="bi bi-slash-lg"></i></button>
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<button id="textBtn" class="btn btn-outline-primary toolbar-btn" title="문자입력"><i class="bi bi-type"></i></button>
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<button id="eraserBtn" class="btn btn-outline-warning toolbar-btn" title="지우개"><i class="bi bi-eraser-fill"></i></button>
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<button id="selectBtn" class="btn btn-outline-secondary toolbar-btn" title="객체선택"><i class="bi bi-cursor-text"></i></button>
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<div class="form-check form-switch ms-3">
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<input class="form-check-input" type="checkbox" id="rightAngle" checked>
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<label class="form-check-label" for="rightAngle">직각 고정</label>
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</div>
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<button id="clearBtn" class="btn btn-outline-danger ms-auto">전체 지우기</button>
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</div>
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<!-- 지우개 크기 & 색상 -->
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<div id="editorToolbar2" class="d-flex align-items-center px-3 pb-2">
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<div class="btn-group" role="group" id="colorPicker">
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<button type="button" class="btn color-btn" data-color="#000000" style="background:#000;"></button>
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<button type="button" class="btn color-btn" data-color="#ff0000" style="background:#f00;"></button>
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<button type="button" class="btn color-btn" data-color="#0000ff" style="background:#00f;"></button>
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<button type="button" class="btn color-btn" data-color="#00aa00" style="background:#0a0;"></button>
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<button type="button" class="btn color-btn" data-color="#ff8800" style="background:#f80;"></button>
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<button type="button" class="btn color-btn" data-color="#800080" style="background:#808;"></button>
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<button type="button" class="btn color-btn" data-color="#888888" style="background:#888;"></button>
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</div>
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<label class="mb-0 me-2">지우개 크기</label>
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<input type="range" class="form-range me-2" id="eraserRange" min="5" max="100" step="1" value="20">
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<span id="eraserSizeLabel" class="fw-bold">20</span>px
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</div>
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<!-- 캔버스 영역 -->
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<div id="editorBody">
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<canvas id="c" width="800" height="600"></canvas>
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</div>
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</dialog>
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<!-- 의존 스크립트 -->
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<script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/fabric.js/5.3.0/fabric.min.js"></script>
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<script>
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$(function(){
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const dialog = document.getElementById('editorDialog');
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const editorBody = document.getElementById('editorBody');
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// “그리기 시작” 버튼
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$('#openEditorBtn').click(() => {
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if (!dialog.open) dialog.showModal();
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});
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// 우측 X 버튼
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$('#closeEditorBtn').click(() => dialog.close());
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// ESC로 닫히는 기본 동작 막기
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dialog.addEventListener('cancel', e => e.preventDefault());
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// Fabric.js 초기화
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const canvas = new fabric.Canvas('c',{ selection:false });
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let mode='polyline', selectMode=false, isLine=false, lineObj=null, isRight=true;
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let polyPoints=[], previewLine=null, isPreview=true, currentColor='#0000ff';
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// 브러시 설정
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const freeBrush = canvas.freeDrawingBrush; freeBrush.width=2; freeBrush.color=currentColor;
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const eraserBrush = new fabric.PencilBrush(canvas);
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eraserBrush.width = +$('#eraserRange').val(); eraserBrush.color='#ffffff';
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function updateEraserCursor(r){
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const svg=`<svg xmlns="http://www.w3.org/2000/svg" width="${r}" height="${r}"><circle cx="${r/2}" cy="${r/2}" r="${r/2}" stroke="black" fill="none"/></svg>`;
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canvas.freeDrawingCursor = `url("data:image/svg+xml,${encodeURIComponent(svg)}") ${r/2} ${r/2}, auto`;
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}
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updateEraserCursor(eraserBrush.width);
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// 배경 이미지
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fabric.Image.fromURL('https://via.placeholder.com/800x600.png', img=>{
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img.selectable = false;
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canvas.setBackgroundImage(img, canvas.renderAll.bind(canvas));
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});
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// path 생성 시 스타일
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canvas.on('path:created', e=>{
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e.path.selectable = selectMode;
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e.path.stroke = (mode==='eraser')? '#ffffff' : currentColor;
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});
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// 버튼 강조
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function highlight(){
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$('.toolbar-btn').removeClass('active');
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switch(mode){
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case 'polyline': $('#polyBtn').addClass('active'); break;
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case 'free': $('#freeBtn').addClass('active'); break;
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case 'line': $('#lineBtn').addClass('active'); break;
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case 'text': $('#textBtn').addClass('active'); break;
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case 'eraser': $('#eraserBtn').addClass('active'); break;
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case 'select': $('#selectBtn').addClass('active'); break;
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}
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}
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// 모드 전환
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function setMode(m){
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if(mode==='polyline'&&m!=='polyline'){
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if(previewLine){ canvas.remove(previewLine); previewLine=null; }
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polyPoints=[];
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}
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mode=m; canvas.isDrawingMode=false;
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if(m==='free'){ canvas.isDrawingMode=true; canvas.freeDrawingBrush=freeBrush; }
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if(m==='eraser'){ canvas.isDrawingMode=true; canvas.freeDrawingBrush=eraserBrush; }
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const el=canvas.upperCanvasEl;
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el.style.cursor = (m==='eraser')? canvas.freeDrawingCursor : 'crosshair';
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selectMode = (m==='select');
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canvas.selection = selectMode;
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canvas.forEachObject(o=>{
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if(o===canvas.backgroundImage) return;
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o.selectable=selectMode;
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o.evented =selectMode;
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});
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highlight();
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}
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setMode('polyline');
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// 툴바 클릭
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$('#polyBtn').click(()=>setMode('polyline'));
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$('#freeBtn').click(()=>setMode('free'));
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$('#lineBtn').click(()=>setMode('line'));
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$('#textBtn').click(()=>setMode('text'));
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$('#eraserBtn').click(()=>setMode('eraser'));
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$('#selectBtn').click(()=> setMode($('#selectBtn').hasClass('active')?'free':'select'));
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$('#clearBtn').click(()=>{
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canvas.clear();
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fabric.Image.fromURL('https://via.placeholder.com/800x600.png',img=>{
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img.selectable=false; canvas.setBackgroundImage(img,canvas.renderAll.bind(canvas));
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});
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polyPoints=[]; if(previewLine)canvas.remove(previewLine); previewLine=null;
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canvas.upperCanvasEl.style.cursor='crosshair';
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setMode('polyline');
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});
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// 색상 선택
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$('#colorPicker .color-btn').click(function(){
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$('#colorPicker .color-btn').removeClass('active');
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$(this).addClass('active');
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currentColor = $(this).data('color');
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freeBrush.color = currentColor;
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});
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$('#rightAngle').change(function(){ isRight=this.checked; });
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$('#eraserRange').on('input',function(){
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const s=+this.value;
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$('#eraserSizeLabel').text(s);
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eraserBrush.width = s; updateEraserCursor(s);
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if(mode==='eraser') canvas.upperCanvasEl.style.cursor=canvas.freeDrawingCursor;
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});
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// 전체 keydown: polyline ESC, text ESC, delete, shortcut L
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$(document).keydown(e=>{
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if(e.key.toLowerCase()==='l') setMode('line');
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if(e.key==='Escape'&&mode==='polyline'){
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isPreview=false;
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if(previewLine){ canvas.remove(previewLine); previewLine=null; canvas.requestRenderAll(); }
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}
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if(e.key==='Escape'&&mode==='text'){
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const existing = editorBody.querySelector('.canvas-text-input');
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existing && existing.remove();
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}
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if(e.key==='Delete'&&selectMode){
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const objs=canvas.getActiveObjects();
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objs.forEach(o=>canvas.remove(o));
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canvas.discardActiveObject();
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canvas.requestRenderAll();
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}
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});
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// 마우스 다운: line/poly/text
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canvas.on('mouse:down',o=>{
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const p=canvas.getPointer(o.e);
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if(mode==='line'){
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isLine=true;
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lineObj=new fabric.Line([p.x,p.y,p.x,p.y],{
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stroke:currentColor, strokeWidth:2,
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originX:'center', originY:'center',
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selectable:selectMode
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});
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canvas.add(lineObj);
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}
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else if(mode==='polyline'){
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isPreview=true;
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let x=p.x,y=p.y;
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if(isRight&&polyPoints.length){
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const L=polyPoints[polyPoints.length-1];
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const dx=Math.abs(x-L.x),dy=Math.abs(y-L.y);
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if(dx>dy) y=L.y; else x=L.x;
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}
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if(polyPoints.length){
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const prev=polyPoints[polyPoints.length-1];
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const seg=new fabric.Line([prev.x,prev.y,x,y],{
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stroke:currentColor, strokeWidth:2,
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originX:'center', originY:'center',
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selectable:selectMode
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});
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canvas.add(seg);
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}
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polyPoints.push({x,y});
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if(previewLine){ canvas.remove(previewLine); previewLine=null; }
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}
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else if (mode === 'text') {
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// 기존에 떠 있는 textarea 제거
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editorBody.querySelectorAll('.canvas-text-input').forEach(el => el.remove());
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// HTML textarea 오버레이 생성
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const ta = document.createElement('textarea');
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ta.className = 'canvas-text-input';
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ta.style.left = p.x + 'px';
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ta.style.top = p.y + 'px';
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ta.style.fontSize = '14px';
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ta.rows = 1;
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ta.cols = 20;
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editorBody.appendChild(ta);
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// 바로 포커스
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setTimeout(() => {
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ta.focus();
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// 전체 텍스트를 선택하려면 아래를 추가하세요.
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// ta.select();
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}, 0);
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// Enter / Esc 처리
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ta.addEventListener('keydown', e => {
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if (e.key === 'Enter') {
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e.preventDefault();
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const txt = ta.value.trim();
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if (txt) {
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const txtObj = new fabric.Text(txt, {
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left: p.x,
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top: p.y,
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fontSize: 14,
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fill: currentColor
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});
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canvas.add(txtObj);
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}
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ta.remove();
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}
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else if (e.key === 'Escape') {
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ta.remove();
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}
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});
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}
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});
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// 마우스 무브: line/poly preview
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canvas.on('mouse:move',o=>{
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const p=canvas.getPointer(o.e);
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if(mode==='line'&&isLine){
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let x2=p.x,y2=p.y;
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if(isRight){
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const dx=Math.abs(x2-lineObj.x1), dy=Math.abs(y2-lineObj.y1);
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if(dx>dy) y2=lineObj.y1; else x2=lineObj.x1;
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}
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lineObj.set({x2,y2});
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canvas.requestRenderAll();
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}
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else if(mode==='polyline'&&polyPoints.length&&isPreview){
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const L=polyPoints[polyPoints.length-1];
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let x2=p.x,y2=p.y;
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if(isRight){
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const dx=Math.abs(x2-L.x),dy=Math.abs(y2-L.y);
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if(dx>dy) y2=L.y; else x2=L.x;
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}
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if(previewLine){
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previewLine.set({x1:L.x,y1:L.y,x2,y2});
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} else {
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previewLine=new fabric.Line([L.x,L.y,x2,y2],{
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stroke:'gray',strokeWidth:1,strokeDashArray:[5,5],selectable:false
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});
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canvas.add(previewLine);
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}
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canvas.requestRenderAll();
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}
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});
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canvas.on('mouse:up',()=>{
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if(mode==='line'){ isLine=false; lineObj=null; }
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});
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});
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</script>
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</body>
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</html>
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