330 lines
12 KiB
JavaScript
330 lines
12 KiB
JavaScript
(function () {
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const fileInput = document.getElementById('fileInput');
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const preview = document.getElementById('preview');
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const previewPlaceholder = document.getElementById('previewPlaceholder');
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const statusFile = document.getElementById('statusFile');
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const statusPlotter = document.getElementById('statusPlotter');
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const printMessage = document.getElementById('printMessage');
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const scaleDims = document.getElementById('scaleDims');
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const plotterInfo = {
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port: document.getElementById('plotterPort'),
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baud: document.getElementById('plotterBaud'),
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winsizeUnits: document.getElementById('plotterWinsizeUnits'),
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winsizeMm: document.getElementById('plotterWinsizeMm'),
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bounds: document.getElementById('plotterBounds')
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};
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const buttons = {
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flip: document.getElementById('btnFlip'),
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rotate90: document.getElementById('btnRotate90'),
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rotate180: document.getElementById('btnRotate180'),
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scaleUp: document.getElementById('btnScaleUp'),
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scaleDown: document.getElementById('btnScaleDown'),
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centralize: document.getElementById('btnCentralize'),
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scaleToBounds: document.getElementById('btnScaleToBounds'),
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print: document.getElementById('btnPrint'),
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checkPlotter: document.getElementById('btnCheckPlotter'),
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generateHpgl: document.getElementById('btnGenerateHpgl')
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};
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const tabFile = document.getElementById('tabFile');
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const tabText = document.getElementById('tabText');
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const panelFile = document.getElementById('panelFile');
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const panelText = document.getElementById('panelText');
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const textInput = document.getElementById('textInput');
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const fontSelect = document.getElementById('fontSelect');
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const textSize = document.getElementById('textSize');
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const textMessage = document.getElementById('textMessage');
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function setMessage(el, text, type) {
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el.textContent = text || '';
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el.className = 'message' + (type ? ' ' + type : '');
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}
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function updatePreview() {
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const w = Math.min(800, window.innerWidth - 80);
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const h = Math.min(600, window.innerHeight - 120);
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preview.src = '/api/svg?width=' + w + '&height=' + h + '&scale=1&_=' + Date.now();
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}
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function updateDimensions() {
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if (!scaleDims) return;
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fetch('/api/dimensions')
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.then(function (r) {
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if (!r.ok) throw new Error();
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return r.json();
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})
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.then(function (d) {
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scaleDims.innerHTML = d.width + ' × ' + d.height + ' <span class="unit">(≈ ' + d.width_mm + ' × ' + d.height_mm + ' mm)</span>';
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})
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.catch(function () {
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scaleDims.innerHTML = '— × — <span class="unit">(≈ — × — mm)</span>';
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});
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}
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function updatePlotterInfo() {
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if (!plotterInfo.port) return;
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fetch('/api/plotter_info')
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.then(function (r) { return r.ok ? r.json() : Promise.reject(); })
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.then(function (d) {
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plotterInfo.port.textContent = d.port || '—';
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plotterInfo.baud.textContent = d.baudrate ? d.baudrate + ' baud' : '—';
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if (d.winsize_units) {
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plotterInfo.winsizeUnits.textContent = d.winsize_units.width + ' × ' + d.winsize_units.height;
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} else {
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plotterInfo.winsizeUnits.textContent = '— × —';
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}
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if (d.winsize_mm) {
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plotterInfo.winsizeMm.textContent = d.winsize_mm.width + ' × ' + d.winsize_mm.height + ' mm';
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} else {
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plotterInfo.winsizeMm.textContent = '— × —';
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}
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if (d.boundaries) {
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var b = d.boundaries;
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plotterInfo.bounds.textContent = b.xmin + ',' + b.ymin + ' … ' + b.xmax + ',' + b.ymax;
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} else {
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plotterInfo.bounds.textContent = '—';
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}
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})
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.catch(function () {
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plotterInfo.port.textContent = '—';
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plotterInfo.baud.textContent = '—';
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plotterInfo.winsizeUnits.textContent = '— × —';
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plotterInfo.winsizeMm.textContent = '— × —';
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plotterInfo.bounds.textContent = '—';
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});
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}
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var transformPrintButtons = ['flip', 'rotate90', 'rotate180', 'scaleUp', 'scaleDown', 'centralize', 'scaleToBounds', 'print'];
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function setLoaded(loaded) {
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if (loaded) {
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preview.classList.add('loaded');
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previewPlaceholder.classList.add('hidden');
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transformPrintButtons.forEach(function (k) {
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var b = buttons[k];
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if (b) b.disabled = false;
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});
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} else {
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preview.classList.remove('loaded');
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previewPlaceholder.classList.remove('hidden');
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preview.src = '';
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transformPrintButtons.forEach(function (k) {
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var b = buttons[k];
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if (b) b.disabled = true;
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});
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}
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}
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function refreshStatus() {
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fetch('/api/status')
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.then(function (r) { return r.json(); })
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.then(function (data) {
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statusFile.textContent = data.has_file ? (data.filename || 'File loaded') : 'No file';
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statusPlotter.textContent = 'Plotter: ' + (data.plotter_ready ? 'Ready' : 'Not connected');
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statusPlotter.classList.toggle('ready', data.plotter_ready);
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statusPlotter.classList.toggle('not-ready', !data.plotter_ready);
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updatePlotterInfo();
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if (data.has_file) {
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setLoaded(true);
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updatePreview();
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updateDimensions();
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} else {
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setLoaded(false);
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if (scaleDims) scaleDims.innerHTML = '— × — <span class="unit">(≈ — × — mm)</span>';
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}
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})
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.catch(function () {
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statusFile.textContent = 'No file';
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statusPlotter.textContent = 'Plotter: —';
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setLoaded(false);
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if (scaleDims) scaleDims.innerHTML = '— × — <span class="unit">(≈ — × — mm)</span>';
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});
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}
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fileInput.addEventListener('change', function () {
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const file = this.files && this.files[0];
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if (!file) return;
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preview.src = '';
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preview.classList.remove('loaded');
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previewPlaceholder.classList.remove('hidden');
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previewPlaceholder.textContent = 'Loading…';
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setMessage(printMessage, '');
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const form = new FormData();
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form.append('file', file);
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fetch('/api/upload', {
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method: 'POST',
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body: form
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})
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.then(function (r) {
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if (!r.ok) return r.json().then(function (d) { throw new Error(d.error || 'Upload failed'); });
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return r.json();
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})
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.then(function () {
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previewPlaceholder.textContent = 'Upload an HPGL file to preview';
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refreshStatus();
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})
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.catch(function (e) {
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previewPlaceholder.textContent = 'Upload an HPGL file to preview';
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setMessage(printMessage, e.message || 'Upload failed', 'error');
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refreshStatus();
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});
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});
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function transform(action, payload) {
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setMessage(printMessage, '');
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var body = payload || { action: action };
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fetch('/api/transform', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(body)
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})
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.then(function (r) {
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if (!r.ok) return r.json().then(function (d) { throw new Error(d.error || 'Transform failed'); });
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return r.json();
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})
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.then(function () {
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updatePreview();
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updateDimensions();
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})
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.catch(function (e) {
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setMessage(printMessage, e.message || 'Transform failed', 'error');
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});
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}
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buttons.flip.addEventListener('click', function () { transform('flip'); });
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buttons.rotate90.addEventListener('click', function () { transform('rotate', { action: 'rotate', angle: 90 }); });
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buttons.rotate180.addEventListener('click', function () { transform('rotate', { action: 'rotate', angle: 180 }); });
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buttons.scaleUp.addEventListener('click', function () { transform('scale', { action: 'scale', factor: 1.25 }); });
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buttons.scaleDown.addEventListener('click', function () { transform('scale', { action: 'scale', factor: 0.8 }); });
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buttons.centralize.addEventListener('click', function () { transform('centralize'); });
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if (buttons.scaleToBounds) {
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buttons.scaleToBounds.addEventListener('click', function () {
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setMessage(printMessage, '');
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fetch('/api/status')
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.then(function (r) { return r.json(); })
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.then(function (data) {
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if (!data.plotter_ready) {
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setMessage(printMessage, 'Plotter not connected.', 'error');
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return;
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}
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transform('scale_to_bounds', { action: 'scale_to_bounds' });
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})
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.catch(function () {
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setMessage(printMessage, 'Plotter not connected.', 'error');
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});
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});
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}
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buttons.print.addEventListener('click', function () {
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setMessage(printMessage, 'Sending to plotter…');
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fetch('/api/print', { method: 'POST' })
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.then(function (r) {
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return r.json().then(function (data) {
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if (!r.ok) throw new Error(data.error || 'Print failed');
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return data;
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});
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})
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.then(function () {
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setMessage(printMessage, 'Sent to plotter.', 'success');
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})
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.catch(function (e) {
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setMessage(printMessage, e.message || 'Print failed', 'error');
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});
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});
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if (buttons.checkPlotter) {
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buttons.checkPlotter.addEventListener('click', function () {
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setMessage(printMessage, 'Checking plotter…');
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fetch('/api/status')
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.then(function (r) { return r.json(); })
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.then(function (data) {
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statusFile.textContent = data.has_file ? (data.filename || 'File loaded') : 'No file';
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statusPlotter.textContent = 'Plotter: ' + (data.plotter_ready ? 'Ready' : 'Not connected');
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statusPlotter.classList.toggle('ready', data.plotter_ready);
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statusPlotter.classList.toggle('not-ready', !data.plotter_ready);
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updatePlotterInfo();
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setMessage(printMessage, data.plotter_ready ? 'Plotter: Ready' : 'Plotter: Not connected', data.plotter_ready ? 'success' : 'error');
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})
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.catch(function () {
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statusPlotter.textContent = 'Plotter: —';
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statusPlotter.classList.remove('ready');
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statusPlotter.classList.add('not-ready');
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updatePlotterInfo();
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setMessage(printMessage, 'Plotter: Not connected', 'error');
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});
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});
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}
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preview.addEventListener('load', function () {
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previewPlaceholder.classList.add('hidden');
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});
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function showTab(name) {
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var isFile = (name === 'file');
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tabFile.classList.toggle('active', isFile);
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tabText.classList.toggle('active', !isFile);
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if (panelFile) panelFile.classList.toggle('hidden', !isFile);
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if (panelText) panelText.classList.toggle('hidden', isFile);
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if (!isFile && fontSelect && fontSelect.options.length <= 1) loadFonts();
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}
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function loadFonts() {
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if (!fontSelect) return;
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fetch('/api/fonts')
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.then(function (r) { return r.json(); })
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.then(function (d) {
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var opts = fontSelect.querySelectorAll('option');
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for (var i = opts.length - 1; i >= 1; i--) opts[i].remove();
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(d.fonts || []).forEach(function (f) {
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var o = document.createElement('option');
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o.value = f;
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o.textContent = f;
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fontSelect.appendChild(o);
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});
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})
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.catch(function () {});
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}
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if (tabFile) tabFile.addEventListener('click', function () { showTab('file'); });
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if (tabText) tabText.addEventListener('click', function () { showTab('text'); });
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if (buttons.generateHpgl && textInput && fontSelect) {
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buttons.generateHpgl.addEventListener('click', function () {
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var text = (textInput.value || '').trim();
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var font = (fontSelect.value || '').trim();
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var size = parseInt(textSize.value, 10) || 72;
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setMessage(textMessage, '');
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if (!text) {
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setMessage(textMessage, 'Enter some text.', 'error');
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return;
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}
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if (!font) {
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setMessage(textMessage, 'Select a font.', 'error');
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return;
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}
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setMessage(textMessage, 'Generating…');
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fetch('/api/text_to_hpgl', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ text: text, font: font, size_pt: size })
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})
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.then(function (r) {
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return r.json().then(function (d) {
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if (!r.ok) throw new Error(d.error || 'Generate failed');
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return d;
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});
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})
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.then(function () {
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setMessage(textMessage, 'Generated.', 'success');
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refreshStatus();
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})
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.catch(function (e) {
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setMessage(textMessage, e.message || 'Generate failed', 'error');
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});
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});
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}
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refreshStatus();
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updatePlotterInfo();
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setInterval(updatePlotterInfo, 10000);
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})();
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