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BrainWind/app/src/lib/export-pdf.tsx
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import { Document, Page, Text, View, StyleSheet, Image as PdfImage, pdf } from '@react-pdf/renderer';
import { useGalpaoStore } from '../store/galpaoStore';
import { useWindStore } from '../store/appStore';
import { useCaptureStore } from '../store/captureStore';
import {
getColumnLinearLoads,
getRoofLinearLoads,
getAllPillarBaseReactions,
getDragForce,
} from './line-loads';
import { getWallCpeOfficial, getRoofCpeOfficial } from './coefficients';
const styles = StyleSheet.create({
page: {
flexDirection: 'column',
padding: 40,
fontSize: 10,
fontFamily: 'Helvetica',
color: '#333',
},
header: {
marginBottom: 20,
borderBottom: '2pt solid #6b21a8',
paddingBottom: 10,
},
title: { fontSize: 20, fontWeight: 'bold', color: '#6b21a8' },
subtitle: { fontSize: 10, color: '#666', marginTop: 4 },
section: { marginTop: 15, marginBottom: 10 },
sectionTitle: { fontSize: 14, fontWeight: 'bold', marginBottom: 8, color: '#111' },
row: { flexDirection: 'row', marginBottom: 4 },
label: { width: 200, fontWeight: 'bold' },
value: { flex: 1 },
table: {
display: 'flex',
flexDirection: 'column',
marginTop: 10,
borderTop: '1pt solid #ccc',
borderLeft: '1pt solid #ccc',
},
tableRow: { flexDirection: 'row' },
tableHeader: { backgroundColor: '#f3f4f6', fontWeight: 'bold' },
tableCell: {
flex: 1,
padding: 5,
borderRight: '1pt solid #ccc',
borderBottom: '1pt solid #ccc',
textAlign: 'center',
},
tableCellFirst: {
flex: 1,
padding: 5,
borderRight: '1pt solid #ccc',
borderBottom: '1pt solid #ccc',
textAlign: 'left',
},
footer: {
position: 'absolute',
bottom: 30,
left: 40,
right: 40,
textAlign: 'center',
color: '#999',
fontSize: 8,
borderTop: '1pt solid #eaeaea',
paddingTop: 10,
},
sceneImage: {
width: 480,
height: 270,
objectFit: 'contain',
marginVertical: 8,
border: '1pt solid #ddd',
},
sceneCaption: {
fontSize: 8,
color: '#666',
fontStyle: 'italic',
textAlign: 'center',
marginBottom: 8,
},
});
interface ReportProps {
galpao: ReturnType<typeof useGalpaoStore.getState>;
wind: ReturnType<typeof useWindStore.getState>;
sceneImage?: string | null;
}
const ReportDocument = ({ galpao, wind, sceneImage }: ReportProps) => {
const pressure = (cpe: number) => (wind.q * (cpe - wind.cpi)).toFixed(3);
const cpi = wind.cpi.toFixed(2);
const fmtSigned = (v: number, p = 3) => (v >= 0 ? `+${v.toFixed(p)}` : v.toFixed(p));
const FRAME_SPACING = 6.0;
const PURLIN_SPACING = 1.5;
return (
<Document>
<Page size="A4" style={styles.page}>
<View style={styles.header}>
<Text style={styles.title}>VentoApp Memória de Cálculo</Text>
<Text style={styles.subtitle}>Cargas de Vento em Galpão NBR 6123:2023</Text>
</View>
<View style={styles.section}>
<Text style={styles.sectionTitle}>1. Parâmetros Globais do Vento e Pressão Dinâmica</Text>
<View style={styles.row}>
<Text style={styles.label}>Velocidade Básica (V):</Text>
<Text style={styles.value}>{wind.v0} m/s (conforme Figura 1 e Anexo C da NBR 6123)</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Fator Topográfico (S):</Text>
<Text style={styles.value}>{wind.s1} (conforme Seção 5.2)</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Fator de Rugosidade (S):</Text>
<Text style={styles.value}>{wind.s2.toFixed(3)} (Categoria {wind.terrainCategory}, Classe {wind.structureClass}, conforme Tabela 2)</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Fator Estatístico (S):</Text>
<Text style={styles.value}>{wind.s3.toFixed(2)} (Grupo {wind.s3Group}, conforme Tabela 4)</Text>
</View>
<View style={{ marginTop: 10, padding: 8, backgroundColor: '#f9fafb', borderLeft: '3pt solid #6b21a8' }}>
<Text style={{ fontSize: 11, fontWeight: 'bold', marginBottom: 4 }}>Memória de Cálculo (Sec 4.2 e 4.3):</Text>
<Text style={{ fontSize: 10, fontFamily: 'Courier', marginBottom: 4 }}>
Vₖ = V × S × S × S
</Text>
<Text style={{ fontSize: 10, fontFamily: 'Courier', marginBottom: 8, color: '#4b5563' }}>
Vₖ = {wind.v0} × {wind.s1} × {wind.s2.toFixed(3)} × {wind.s3.toFixed(2)} = {wind.vk.toFixed(2)} m/s
</Text>
<Text style={{ fontSize: 10, fontFamily: 'Courier', marginBottom: 4 }}>
q = 0,613 × (Vₖ)²
</Text>
<Text style={{ fontSize: 10, fontFamily: 'Courier', color: '#4b5563' }}>
q = 0,613 × ({wind.vk.toFixed(2)})² = {(0.613 * Math.pow(wind.vk, 2) / 1000).toFixed(4)} kN/m²
</Text>
</View>
</View>
<View style={styles.section}>
<Text style={styles.sectionTitle}>2. Geometria do Galpão</Text>
<View style={styles.row}>
<Text style={styles.label}>Largura (b):</Text>
<Text style={styles.value}>{galpao.width} m</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Comprimento (a):</Text>
<Text style={styles.value}>{galpao.length} m</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Altura do -direito (h):</Text>
<Text style={styles.value}>{galpao.height} m</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Inclinação do Telhado (θ):</Text>
<Text style={styles.value}>{galpao.roofPitch}°</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Direção do Vento Analisada:</Text>
<Text style={styles.value}>{wind.windAngle}°</Text>
</View>
</View>
<View style={styles.section}>
<Text style={styles.sectionTitle}>3. Pressão Interna (sec. 6.3)</Text>
<View style={styles.row}>
<Text style={styles.label}>Caso de Permeabilidade:</Text>
<Text style={styles.value}>{wind.permeabilityCase}</Text>
</View>
<View style={styles.row}>
<Text style={styles.label}>Coeficiente Cpi:</Text>
<Text style={styles.value}>{cpi}</Text>
</View>
</View>
{[0, 90].map((angle, index) => {
const wCpe = getWallCpeOfficial(galpao.length, galpao.width, galpao.height, angle as 0 | 90);
const rCpe = getRoofCpeOfficial(galpao.length, galpao.width, galpao.height, galpao.roofPitch, angle as 0 | 90);
const colLoads = getColumnLinearLoads(wind.cpi, wind.q, wCpe, FRAME_SPACING, angle as 0 | 90);
const rLoads = getRoofLinearLoads(wind.cpi, wind.q, rCpe, PURLIN_SPACING, galpao.roofPitch);
const rxns = getAllPillarBaseReactions(colLoads, galpao.height);
const dForce = getDragForce(wCpe, rCpe, wind.q, galpao.length, galpao.width, galpao.height, galpao.roofPitch, angle as 0 | 90);
const secBase = index === 0 ? 4 : 6;
return (
<View wrap={false} key={`angle-${angle}`}>
<Text style={{ fontSize: 16, fontWeight: 'bold', color: '#6b21a8', marginTop: 20, marginBottom: 10, borderBottom: '1pt solid #ddd', paddingBottom: 5 }}>
Cenário: Vento a {angle}°
</Text>
<View style={styles.section}>
<Text style={styles.sectionTitle}>{secBase}. Coeficientes e Pressões (q × (Cpe Cpi))</Text>
<View style={styles.table}>
<View style={[styles.tableRow, styles.tableHeader]}>
<Text style={styles.tableCellFirst}>Elemento / Região</Text>
<Text style={styles.tableCell}>Cpe</Text>
<Text style={styles.tableCell}>Cpi</Text>
<Text style={styles.tableCell}>p [kN/m²]</Text>
</View>
{Object.entries(wCpe).map(([face, cpeVal]) => (
<View style={styles.tableRow} key={`wall-${face}`}>
<Text style={styles.tableCellFirst}>Parede {face}</Text>
<Text style={styles.tableCell}>{(cpeVal as number).toFixed(2)}</Text>
<Text style={styles.tableCell}>{cpi}</Text>
<Text style={styles.tableCell}>{pressure(cpeVal as number)}</Text>
</View>
))}
{Object.entries(rCpe).map(([face, cpeVal]) => (
<View style={styles.tableRow} key={`roof-${face}`}>
<Text style={styles.tableCellFirst}>Telhado {face}</Text>
<Text style={styles.tableCell}>{(cpeVal as number).toFixed(2)}</Text>
<Text style={styles.tableCell}>{cpi}</Text>
<Text style={styles.tableCell}>{pressure(cpeVal as number)}</Text>
</View>
))}
</View>
</View>
<View style={styles.section}>
<Text style={styles.sectionTitle}>
{secBase + 1}. Cargas Lineares (kN/m)
</Text>
<Text style={{ fontSize: 9, marginBottom: 6 }}>
Pórticos: {FRAME_SPACING} m | Terças: {PURLIN_SPACING} m
</Text>
<View style={styles.table}>
<View style={[styles.tableRow, styles.tableHeader]}>
<Text style={styles.tableCellFirst}>Pilar</Text>
<Text style={styles.tableCell}>Cpe</Text>
<Text style={styles.tableCell}>w [kN/m]</Text>
</View>
{([
['Barlavento', angle === 0 ? wCpe.C : wCpe.A, colLoads.windward],
['Sotavento', angle === 0 ? wCpe.D : wCpe.B, colLoads.leeward],
['Lateral 1', angle === 0 ? wCpe.A : wCpe.C, colLoads.sideA],
['Lateral 2', angle === 0 ? wCpe.B : wCpe.D, colLoads.sideB],
] as const).map(([label, cpeVal, w]) => (
<View style={styles.tableRow} key={`col-${label}`}>
<Text style={styles.tableCellFirst}>{label}</Text>
<Text style={styles.tableCell}>{cpeVal.toFixed(2)}</Text>
<Text style={styles.tableCell}>{fmtSigned(w)}</Text>
</View>
))}
</View>
<View style={[styles.table, { marginTop: 10 }]}>
<View style={[styles.tableRow, styles.tableHeader]}>
<Text style={styles.tableCellFirst}>Terça (Zona)</Text>
<Text style={styles.tableCell}>Cpe</Text>
<Text style={styles.tableCell}>w [kN/m]</Text>
</View>
{(['E', 'F', 'G', 'H', 'I', 'J'] as const).map((z) => (
<View style={styles.tableRow} key={`roof-${z}`}>
<Text style={styles.tableCellFirst}>{z}</Text>
<Text style={styles.tableCell}>{rCpe[z].toFixed(2)}</Text>
<Text style={styles.tableCell}>{fmtSigned(rLoads[z])}</Text>
</View>
))}
</View>
<View style={{ marginTop: 6, fontSize: 9 }}>
<Text>Reação global na base: <Text style={{ fontWeight: 'bold' }}>{fmtSigned(rxns.total, 3)} kN</Text></Text>
<Text>Força de arrasto global (Cₐ): <Text style={{ fontWeight: 'bold' }}>{dForce.forceKN.toFixed(3)} kN</Text></Text>
</View>
</View>
</View>
);
})}
{sceneImage && (
<View style={styles.section} wrap={false}>
<Text style={styles.sectionTitle}>8. Modelo 3D (M9.3 Captura de Cena)</Text>
<PdfImage src={sceneImage} style={styles.sceneImage} />
<Text style={styles.sceneCaption}>
Vista isométrica capturada em tempo real pelo projetista na interface web. Cores indicam intensidade de pressão (azul:
empuxo, vermelho: sucção).
</Text>
</View>
)}
<Text style={styles.footer}>
Gerado por VentoApp Ferramenta de Auxílio ao Cálculo Estrutural (NBR 6123:2023)
</Text>
</Page>
</Document>
);
};
export async function exportGalpaoToPDF() {
const galpao = useGalpaoStore.getState();
const wind = useWindStore.getState();
const sceneImage = useCaptureStore.getState().capturedImage;
const blob = await pdf(
<ReportDocument galpao={galpao} wind={wind} sceneImage={sceneImage} />,
).toBlob();
const url = URL.createObjectURL(blob);
const link = document.createElement('a');
link.setAttribute('href', url);
link.setAttribute('download', 'memoria_calculo_vento.pdf');
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}