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EOF`;
useEffect(() => {
const parseReal = () => {
const lines = dxfContent.split('\n').map(l => l.trim());
const blocksMap = {};
const entitiesList = [];
let i = 0;
const readGroup = () => {
if (i >= lines.length) return null;
const code = parseInt(lines[i++]);
const value = lines[i++];
return { code, value };
};
const peekCode = () => {
if (i >= lines.length) return null;
return parseInt(lines[i]);
};
const parseEntityBody = (type) => {
const entity = { type };
while (i < lines.length) {
if (peekCode() === 0) break;
const group = readGroup();
if (!group) break;
const { code, value } = group;
if (code === 10) entity.x = parseFloat(value);
if (code === 20) entity.y = parseFloat(value);
if (code === 11) entity.x1 = parseFloat(value);
if (code === 21) entity.y1 = parseFloat(value);
if (code === 40) entity.r = parseFloat(value);
if (code === 50) entity.angle = parseFloat(value);
if (code === 51) entity.endAngle = parseFloat(value);
if (code === 1) entity.text = String(value);
if (code === 2) entity.blockName = value;
if (code === 41) entity.scaleX = parseFloat(value);
if (code === 42) entity.scaleY = parseFloat(value);
if (code === 62) entity.colorIndex = parseInt(value);
}
return entity;
};
let inEntities = false;
let inBlocks = false;
while (i < lines.length) {
const group = readGroup();
if (!group) break;
if (group.code === 0 && group.value === 'SECTION') {
const next = readGroup();
if (next && next.value === 'BLOCKS') inBlocks = true;
if (next && next.value === 'ENTITIES') inEntities = true;
} else if (group.code === 0 && group.value === 'ENDSEC') {
inBlocks = false;
inEntities = false;
} else if (inBlocks && group.code === 0 && group.value === 'BLOCK') {
let blockName = '';
let blockEntities = [];
while (i < lines.length) {
const bGroup = readGroup();
if (!bGroup) break;
if (bGroup.code === 0 && bGroup.value === 'ENDBLK') break;
if (bGroup.code === 2) blockName = bGroup.value;
if (bGroup.code === 0) {
const entity = parseEntityBody(bGroup.value);
if (entity) blockEntities.push(entity);
}
}
if (blockName) blocksMap[blockName] = blockEntities;
} else if (inEntities && group.code === 0) {
const entity = parseEntityBody(group.value);
if (entity) entitiesList.push(entity);
}
}
setBlocks(blocksMap);
setEntities(entitiesList);
calculateBounds(entitiesList, blocksMap);
setLoading(false);
};
parseReal();
}, []);
const calculateBounds = (ents, blks) => {
let minX = Infinity, minY = Infinity, maxX = -Infinity, maxY = -Infinity;
const processEntity = (e, offsetX = 0, offsetY = 0, scaleX = 1, scaleY = 1) => {
const update = (x, y) => {
if (isNaN(x) || isNaN(y)) return;
minX = Math.min(minX, x);
minY = Math.min(minY, y);
maxX = Math.max(maxX, x);
maxY = Math.max(maxY, y);
};
if (e.type === 'LINE') {
update(e.x * scaleX + offsetX, e.y * scaleY + offsetY);
update(e.x1 * scaleX + offsetX, e.y1 * scaleY + offsetY);
} else if (e.type === 'CIRCLE' || e.type === 'ARC') {
const r = e.r || 0;
update((e.x - r) * scaleX + offsetX, (e.y - r) * scaleY + offsetY);
update((e.x + r) * scaleX + offsetX, (e.y + r) * scaleY + offsetY);
} else if (e.type === 'INSERT') {
const blockEnts = blks[e.blockName] || [];
blockEnts.forEach(be => processEntity(be, e.x + offsetX, e.y + offsetY, e.scaleX || 1, e.scaleY || 1));
} else if (e.x !== undefined) {
update(e.x * scaleX + offsetX, e.y * scaleY + offsetY);
}
};
ents.forEach(e => processEntity(e));
if (minX === Infinity) {
setViewBox({ x: 0, y: 0, width: 500, height: 500 });
} else {
const margin = 20;
// Normalizzazione viewBox per SVG (Y invertita rispetto a DXF)
setViewBox({
x: minX - margin,
y: -(maxY + margin),
width: (maxX - minX) + margin * 2,
height: (maxY - minY) + margin * 2
});
}
};
const getColor = (index) => {
const colors = {
1: '#ff0000', 2: '#f6b93b', 3: '#00ff00', 4: '#00ffff',
5: '#0000ff', 6: '#ff00ff', 7: '#2c3e50'
};
return colors[index] || '#333';
};
const renderEntity = (e, key) => {
const color = getColor(e.colorIndex);
const commonProps = { stroke: color, strokeWidth: "0.5", fill: "none" };
switch (e.type) {
case 'LINE':
return
{String(e.text || '')}
);
case 'INSERT':
const blockEnts = blocks[e.blockName] || [];
const rotation = e.angle || 0;
return (
{blockEnts.map((be, i) => renderEntity(be, `be-${key}-${i}`))}
);
default:
return null;
}
};
const handlePrint = () => {
// Breve ritardo per assicurarsi che il DOM sia stabile
setTimeout(() => {
window.print();
}, 200);
};
if (loading) {
return (
);
}
return (
ELABORAZIONE PDF...
{/* Header - Nasconde durante la stampa */}
{/* Drawing Space */}
{/* SVG Container - Forzato per la stampa */}
{/* Info Box - Nasconde in stampa */}
{/* Stili CSS Critici per la stampa */}
);
};
export default App;Esportatore PDF Tecnico
Disegno: 0019-2026.dxf
NOTE PER L'ESPORTAZIONE:
Dopo aver cliccato "Esporta", assicurati di impostare Layout: Orizzontale e Margini: Nessuno nelle impostazioni della stampante.
