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https://issues.apache.org/jira/browse/PDFBOX-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660670#comment-14660670
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Tilman Hausherr commented on PDFBOX-2917:
-----------------------------------------

In PDColorSpace.java. Just search for {{ColorConvertOp op = new 
ColorConvertOp(null);}} in the source code, it exists only one.

However I haven't committed that change, because I suspect it will make things 
slower.

> PDF to Image, faint/dim Images
> ------------------------------
>
>                 Key: PDFBOX-2917
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2917
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>         Environment: Windows 8.1, jdk1.8.0_51, jre1.8.0_51
>            Reporter: Samuil Goranov
>            Priority: Trivial
>              Labels: images, newbie
>         Attachments: saved0.png, selection.pdf
>
>
> {code:title=pdftoimage.java|borderStyle=solid}
> PDDocument document = null;
>         File file = new File("F:\\Projects\\java\\pdfbox\\complete.pdf");
>         document = PDDocument.load( file );
>         try {
>             // retrieve image
>             BufferedImage bi = new PDFRenderer(document).renderImageWithDPI( 
> 0 , 150, ImageType.RGB );
>             File outputfile = new File("saved0.png");
>             ImageIO.write(bi, "png", outputfile);
>         } catch (IOException e) {
>         }
> {code}



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