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From webrtcgo <webrt...@gmail.com>
Subject help, font issue about converting PDF to Images
Date Mon, 19 May 2014 06:18:23 GMT
Hi, please forgive my english first.
I tried to convert a pdf file to images, using pdfbox 1.8.4 within tika-app-1.5.jar.
The jpeg files I got were not ideal.
The content in the images were different from the pdf file.
Some characters were in different places, and some characters overlapped others.
There were many lines of console information which read:
'13:49:07,094 WARN [PDSimpleFont:107] Changing font on <l> from <Courier New Italic>
to the default font 
13:49:07,094 WARN [PDSimpleFont:107] Changing font on <l> from <Courier New Italic>
to the default font 
13:49:07,095 WARN [PDSimpleFont:107] Changing font on <y> from <Courier New Italic>
to the default font 
13:49:07,095 WARN [PDSimpleFont:107] Changing font on <l> from <Courier New Italic>
to the default font 
...'
Could you give me some instruction, tell me how to solve this problem, how to get ideal images?
Thanks a lot.

I attached the pdf file and one of the images.
And here are my code:
PDDocument doc = PDDocument.load(input + ".pdf");
List<PDPage> pages = doc.getDocumentCatalog().getAllPages(); 
for (int i = 0; i < pages.size(); i++) { 
    PDPage page = pages.get(i); 
    BufferedImage image = page.convertToImage(); 
    Iterator<ImageWriter> iter = ImageIO.getImageWritersBySuffix("JPG"); 
    ImageWriter writer = iter.next(); 
    File outFile = new File(input + i + ".jpg");
    FileOutputStream out = new FileOutputStream(outFile); 
    ImageOutputStream outImage = ImageIO.createImageOutputStream(out); 
    writer.setOutput(outImage); 
    writer.write(new IIOImage(image, null, null)); 
    writer.dispose(); 
    out.close(); 
} 
doc.close();



webrtcgo
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