Possibility to set DPI for PNG
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Key: SANSELAN-67
URL: https://issues.apache.org/jira/browse/SANSELAN-67
Project: Commons Sanselan
Issue Type: Question
Components: Format: PNG
Affects Versions: 0.97
Environment: Any
Reporter: VVD
How I can to set DPI for PNG image?
{code}
File inImgFile = new File("in.png");
File outImgFile = new File("out.png");
BufferedImage image = Sanselan.getBufferedImage(inImgFile);
// ImageInfo imageinfo = Sanselan.getImageInfo(inImgFile);
// imageinfo.getPhysicalHeightDpi(): returned 300
// imageinfo.getPhysicalWidthDpi(): returned 300
// Sanselan.getMetadata(inImgFile): returned null
ImageFormat format = ImageFormat.IMAGE_FORMAT_PNG;
Sanselan.writeImage(image, outImgFile, format, params);
// imageinfo = Sanselan.getImageInfo(outImgFile);
// imageinfo.getPhysicalHeightDpi(): returned -1
// imageinfo.getPhysicalWidthDpi(): returned -1
{code}
Thanks.
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