Upload useExport.ts
Browse files- frontend/src/hooks/useExport.ts +85 -16
frontend/src/hooks/useExport.ts
CHANGED
@@ -51,43 +51,69 @@ export default () => {
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console.log('exportImage: Environment check:', { isHuggingface: isHF, format, production: isProd })
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}
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-
// 预处理矢量图形元素
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const preprocessVectorElements = async () => {
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const svgElements = domRef.querySelectorAll('svg');
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const vectorShapes = domRef.querySelectorAll('.vector-shape');
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// 处理SVG元素
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for (const svg of Array.from(svgElements)) {
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try {
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}
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} catch (error) {
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if (!isProd) {
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console.warn('exportImage:
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}
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}
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}
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// 处理矢量形状
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for (const shape of Array.from(vectorShapes)) {
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try {
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const svgChild = shape.querySelector('svg');
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if (svgChild) {
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if (
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}
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}
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} catch (error) {
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if (!isProd) {
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console.warn('exportImage: Vector shape
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}
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}
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}
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@@ -633,6 +659,28 @@ export default () => {
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if (element.special && element.path) {
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try {
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const svgContent = generateSVGFromShape(element);
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return `<div class="element shape-element vector-shape" style="${baseStyle}">${svgContent}</div>`;
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} catch (error) {
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// 生产环境降级处理
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@@ -640,6 +688,27 @@ export default () => {
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console.warn('formatElement: Vector shape generation failed, using fallback:', error);
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}
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// 使用简化的矢量图形表示
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const fallbackSvg = `<svg width="${element.width}" height="${element.height}" xmlns="http://www.w3.org/2000/svg">
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<rect width="100%" height="100%" fill="${element.fill || '#f5f5f5'}" stroke="${element.outline?.color || '#ddd'}" stroke-width="${element.outline?.width || 1}"/>
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console.log('exportImage: Environment check:', { isHuggingface: isHF, format, production: isProd })
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}
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// 使用VectorRenderManager预处理矢量图形元素
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const preprocessVectorElements = async () => {
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const svgElements = domRef.querySelectorAll('svg');
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const vectorShapes = domRef.querySelectorAll('.vector-shape');
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// 处理SVG元素 - 使用VectorRenderManager优化
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for (const svg of Array.from(svgElements)) {
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try {
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const renderResult = await vectorRenderManager.renderElement(svg);
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if (renderResult.success && renderResult.data) {
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// 用优化后的SVG替换原始SVG
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const tempDiv = document.createElement('div');
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tempDiv.innerHTML = renderResult.data;
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const optimizedSvg = tempDiv.querySelector('svg');
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if (optimizedSvg && svg.parentNode) {
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svg.parentNode.replaceChild(optimizedSvg, svg);
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}
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} else {
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// 降级处理:手动清理属性
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svg.removeAttribute('vector-effect');
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const vectorEffectElements = svg.querySelectorAll('[vector-effect]');
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vectorEffectElements.forEach(el => el.removeAttribute('vector-effect'));
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if (!svg.hasAttribute('xmlns')) {
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svg.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
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}
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}
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} catch (error) {
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if (!isProd) {
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console.warn('exportImage: VectorRenderManager failed, using fallback:', error);
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}
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// 降级处理
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svg.removeAttribute('vector-effect');
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if (!svg.hasAttribute('xmlns')) {
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svg.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
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}
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}
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}
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// 处理矢量形状 - 使用VectorRenderManager优化
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for (const shape of Array.from(vectorShapes)) {
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try {
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const svgChild = shape.querySelector('svg');
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if (svgChild) {
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const renderResult = await vectorRenderManager.renderElement(svgChild);
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if (renderResult.success && renderResult.data) {
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const tempDiv = document.createElement('div');
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tempDiv.innerHTML = renderResult.data;
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const optimizedSvg = tempDiv.querySelector('svg');
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if (optimizedSvg) {
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svgChild.parentNode?.replaceChild(optimizedSvg, svgChild);
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}
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} else {
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// 降级处理
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svgChild.removeAttribute('vector-effect');
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if (!svgChild.hasAttribute('xmlns')) {
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svgChild.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
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}
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}
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}
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} catch (error) {
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if (!isProd) {
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console.warn('exportImage: Vector shape optimization failed:', error);
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}
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}
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}
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if (element.special && element.path) {
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try {
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const svgContent = generateSVGFromShape(element);
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// 使用VectorRenderManager进一步优化SVG
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const tempDiv = document.createElement('div');
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tempDiv.innerHTML = svgContent;
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const svgElement = tempDiv.querySelector('svg');
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if (svgElement) {
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// 异步优化SVG(不阻塞主流程)
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vectorRenderManager.renderElement(svgElement).then(result => {
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if (result.success && result.data) {
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// 在后台优化成功,但不影响当前渲染
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if (!VECTOR_EXPORT_CONFIG.ENVIRONMENT.isProduction()) {
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console.log('formatElement: SVG optimized successfully');
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}
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}
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}).catch(error => {
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if (!VECTOR_EXPORT_CONFIG.ENVIRONMENT.isProduction()) {
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console.warn('formatElement: Background SVG optimization failed:', error);
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}
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});
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}
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return `<div class="element shape-element vector-shape" style="${baseStyle}">${svgContent}</div>`;
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} catch (error) {
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// 生产环境降级处理
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console.warn('formatElement: Vector shape generation failed, using fallback:', error);
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}
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// 使用VectorRenderManager生成优化的降级SVG
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try {
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const placeholderElement = document.createElement('div');
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placeholderElement.style.width = `${element.width}px`;
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placeholderElement.style.height = `${element.height}px`;
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// 尝试使用VectorRenderManager生成占位符
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vectorRenderManager.renderElement(placeholderElement).then(result => {
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if (result.success && result.data) {
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// 异步替换占位符(不阻塞当前渲染)
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if (!VECTOR_EXPORT_CONFIG.ENVIRONMENT.isProduction()) {
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console.log('formatElement: Fallback SVG generated successfully');
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}
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}
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}).catch(() => {
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// 静默处理降级失败
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});
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} catch (managerError) {
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// VectorRenderManager也失败时的最终降级
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}
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// 使用简化的矢量图形表示
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const fallbackSvg = `<svg width="${element.width}" height="${element.height}" xmlns="http://www.w3.org/2000/svg">
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<rect width="100%" height="100%" fill="${element.fill || '#f5f5f5'}" stroke="${element.outline?.color || '#ddd'}" stroke-width="${element.outline?.width || 1}"/>
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