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From John Hewson <j...@jahewson.com>
Subject Re: pdfbox-2.0.0-RC1 throws IOException: Invalid characters codes in linux but works fine in windows
Date Thu, 29 Oct 2015 18:20:32 GMT

> On 29 Oct 2015, at 10:06, Andreas Lehmkuehler <andreas@lehmi.de> wrote:
> 
> Hi,
> 
> 
> Am 29.10.2015 um 11:03 schrieb 郭峰:
>> *I am using pdfbox to convert pdf to image. When I  convert the pdf file which
>> is in the attachment, it throws IOException: Invalid characters codes:*
> Your file didn't make it due to some restrictions to the mailing list, but I got a hand
on it as your post went through the moderation queue.
> 
> It looks like your problem is related to PDFBOX-2950 [1]

Actually I’ve narrowed the cause of PDFBOX-2950 down to processSubtype4(). So this is a
separate issue.

— John

> 
> BR
> Andreas
> 
> [1] https://issues.apache.org/jira/browse/PDFBOX-2950 <https://issues.apache.org/jira/browse/PDFBOX-2950>
> 
>> 
>> java.io.IOException: Invalid characters codes
>> at org.apache.fontbox.ttf.CmapSubtable.processSubtype12(CmapSubtable.java:237)
>> at org.apache.fontbox.ttf.CmapSubtable.initSubtable(CmapSubtable.java:107)
>> at org.apache.fontbox.ttf.CmapTable.read(CmapTable.java:84)
>> at org.apache.fontbox.ttf.TrueTypeFont.readTable(TrueTypeFont.java:377)
>> at org.apache.fontbox.ttf.TrueTypeFont.getCmap(TrueTypeFont.java:282)
>> at org.apache.fontbox.ttf.TrueTypeFont.getUnicodeCmap(TrueTypeFont.java:524)
>> at org.apache.fontbox.ttf.TrueTypeFont.nameToGID(TrueTypeFont.java:582)
>> at org.apache.fontbox.ttf.TrueTypeFont.getWidth(TrueTypeFont.java:644)
>> at
>> org.apache.pdfbox.pdmodel.font.PDCIDFontType0.getWidthFromFont(PDCIDFontType0.java:372)
>> at org.apache.pdfbox.pdmodel.font.PDType0Font.getWidthFromFont(PDType0Font.java:382)
>> at org.apache.pdfbox.rendering.PageDrawer.drawGlyph2D(PageDrawer.java:349)
>> at org.apache.pdfbox.rendering.PageDrawer.showFontGlyph(PageDrawer.java:324)
>> at
>> org.apache.pdfbox.contentstream.PDFStreamEngine.showGlyph(PDFStreamEngine.java:735)
>> at
>> org.apache.pdfbox.contentstream.PDFStreamEngine.showText(PDFStreamEngine.java:692)
>> at
>> org.apache.pdfbox.contentstream.PDFStreamEngine.showTextString(PDFStreamEngine.java:560)
>> at org.apache.pdfbox.contentstream.operator.text.ShowText.process(ShowText.java:50)
>> at
>> org.apache.pdfbox.contentstream.PDFStreamEngine.processOperator(PDFStreamEngine.java:806)
>> at
>> org.apache.pdfbox.contentstream.PDFStreamEngine.processStreamOperators(PDFStreamEngine.java:468)
>> at
>> org.apache.pdfbox.contentstream.PDFStreamEngine.processStream(PDFStreamEngine.java:442)
>> at
>> org.apache.pdfbox.contentstream.PDFStreamEngine.processPage(PDFStreamEngine.java:149)
>> at org.apache.pdfbox.rendering.PageDrawer.drawPage(PageDrawer.java:179)
>> at org.apache.pdfbox.rendering.PDFRenderer.renderPage(PDFRenderer.java:208)
>> at org.apache.pdfbox.rendering.PDFRenderer.renderImage(PDFRenderer.java:139)
>> at org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI(PDFRenderer.java:80)
>> 
>> *here is my test code:*
>> 
>>     private static void pdfToImage(String filePath, String filename)
>>             throws IOException {
>>         String fullPath = filePath + filename;
>>         File pdfFile = new File(fullPath);
>>         PDDocument document = null;
>>         document = PDDocument.load(pdfFile);
>>         PDFRenderer renderer = new PDFRenderer(document);
>>         int numPages = document.getNumberOfPages();
>>         int count = 1;
>>         for (int i = 0; i < numPages; i++) {
>>             BufferedImage image = renderer.renderImageWithDPI(i, 300);
>>             File imageFile = new File(filePath + File.separator
>>                     + FilenameUtils.getBaseName(filename) + File.separator
>>                     + FilenameUtils.getBaseName(filename) + "_" + count++
>>                     + ".jpg");
>>             imageFile.mkdirs();
>>             ImageIO.write(image, "jpg", imageFile);
>>         }
>>     }
>> 
>> *please give me some help, thanks!*
>> *
>> *
>> 
>> 
>> 
>> 
>> 
>> 
>> 
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>> 
> 
> 
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