chenkailing
4 years ago
committed by
kl
24 changed files with 248 additions and 259 deletions
@ -1,50 +0,0 @@
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package cn.keking.utils; |
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import com.aspose.cad.Color; |
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import com.aspose.cad.fileformats.cad.CadDrawTypeMode; |
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import com.aspose.cad.imageoptions.CadRasterizationOptions; |
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import com.aspose.cad.imageoptions.PdfOptions; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.stereotype.Component; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.OutputStream; |
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/** |
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* @author chenjhc |
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* @since 2019/11/21 14:34 |
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*/ |
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@Component |
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public class CadUtils { |
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private final Logger logger = LoggerFactory.getLogger(CadUtils.class); |
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public boolean cadToPdf(String inputFilePath, String outputFilePath) { |
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com.aspose.cad.Image cadImage = com.aspose.cad.Image.load(inputFilePath); |
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CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions(); |
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cadRasterizationOptions.setLayouts(new String[]{"Model"}); |
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cadRasterizationOptions.setNoScaling(true); |
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cadRasterizationOptions.setBackgroundColor(Color.getWhite()); |
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cadRasterizationOptions.setPageWidth(cadImage.getWidth()); |
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cadRasterizationOptions.setPageHeight(cadImage.getHeight()); |
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cadRasterizationOptions.setPdfProductLocation("center"); |
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cadRasterizationOptions.setAutomaticLayoutsScaling(true); |
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cadRasterizationOptions.setDrawType(CadDrawTypeMode.UseObjectColor); |
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PdfOptions pdfOptions = new PdfOptions(); |
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pdfOptions.setVectorRasterizationOptions(cadRasterizationOptions); |
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File outputFile = new File(outputFilePath); |
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OutputStream stream; |
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try { |
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stream = new FileOutputStream(outputFile); |
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cadImage.save(stream, pdfOptions); |
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cadImage.close(); |
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return true; |
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} catch (FileNotFoundException e) { |
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logger.error("PDFFileNotFoundException，inputFilePath：{}", inputFilePath, e); |
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return false; |
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} |
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} |
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} |
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@ -1,79 +0,0 @@
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package cn.keking.utils; |
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import cn.keking.service.FileHandlerService; |
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import org.apache.pdfbox.pdmodel.PDDocument; |
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import org.apache.pdfbox.rendering.ImageType; |
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import org.apache.pdfbox.rendering.PDFRenderer; |
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import org.apache.pdfbox.tools.imageio.ImageIOUtil; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.beans.factory.annotation.Value; |
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import org.springframework.stereotype.Component; |
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import java.awt.image.BufferedImage; |
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import java.io.File; |
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import java.io.IOException; |
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import java.io.UnsupportedEncodingException; |
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import java.net.URLEncoder; |
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import java.util.ArrayList; |
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import java.util.List; |
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@Component |
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public class PdfUtils { |
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private final Logger logger = LoggerFactory.getLogger(PdfUtils.class); |
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private final FileHandlerService fileHandlerService; |
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@Value("${server.tomcat.uri-encoding:UTF-8}") |
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private String uriEncoding; |
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public PdfUtils(FileHandlerService fileHandlerService) { |
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this.fileHandlerService = fileHandlerService; |
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} |
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public List<String> pdf2jpg(String pdfFilePath, String pdfName, String baseUrl) { |
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List<String> imageUrls = new ArrayList<>(); |
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Integer imageCount = fileHandlerService.getConvertedPdfImage(pdfFilePath); |
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String imageFileSuffix = ".jpg"; |
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String pdfFolder = pdfName.substring(0, pdfName.length() - 4); |
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String urlPrefix = null; |
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try { |
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urlPrefix = baseUrl + URLEncoder.encode(URLEncoder.encode(pdfFolder, uriEncoding).replaceAll("\\+", "%20"), uriEncoding); |
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} catch (UnsupportedEncodingException e) { |
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logger.error("UnsupportedEncodingException", e); |
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urlPrefix = baseUrl + pdfFolder; |
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} |
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if (imageCount != null && imageCount > 0) { |
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for (int i = 0; i < imageCount ; i++) |
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imageUrls.add(urlPrefix + "/" + i + imageFileSuffix); |
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return imageUrls; |
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} |
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try { |
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File pdfFile = new File(pdfFilePath); |
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PDDocument doc = PDDocument.load(pdfFile); |
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int pageCount = doc.getNumberOfPages(); |
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PDFRenderer pdfRenderer = new PDFRenderer(doc); |
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int index = pdfFilePath.lastIndexOf("."); |
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String folder = pdfFilePath.substring(0, index); |
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File path = new File(folder); |
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if (!path.exists()) { |
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path.mkdirs(); |
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} |
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String imageFilePath; |
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for (int pageIndex = 0; pageIndex < pageCount; pageIndex++) { |
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imageFilePath = folder + File.separator + pageIndex + imageFileSuffix; |
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BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, 105, ImageType.RGB); |
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ImageIOUtil.writeImage(image, imageFilePath, 105); |
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imageUrls.add(urlPrefix + "/" + pageIndex + imageFileSuffix); |
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} |
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doc.close(); |
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fileHandlerService.addConvertedPdfImage(pdfFilePath, pageCount); |
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} catch (IOException e) { |
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logger.error("Convert pdf to jpg exception, pdfFilePath：{}", pdfFilePath, e); |
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} |
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return imageUrls; |
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} |
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} |
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