Incorrect reading Physical Width/Height Inch from PNG files
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Key: SANSELAN-69
URL: https://issues.apache.org/jira/browse/SANSELAN-69
Project: Commons Sanselan
Issue Type: Bug
Components: Format: PNG
Affects Versions: 0.97, 1.0, 1.1, 1.x
Reporter: VVD
Width: 3509
Physical Width Dpi: 300
Physical Width Inch: 1052697.9
Height: 2481
Physical Height Dpi: 300
Physical Height Inch: 744298.5
{code}
PngImageParser.java (620):
PhysicalWidthInch = (float) ((double) Width
- * (double) pngChunkpHYs.PixelsPerUnitXAxis *
meters_per_inch);
PhysicalWidthInch = (float) ((double) Width
+ / ((double) pngChunkpHYs.PixelsPerUnitXAxis *
meters_per_inch));
PngImageParser.java (625):
PhysicalHeightInch = (float) ((double) Height
- * (double) pngChunkpHYs.PixelsPerUnitYAxis *
meters_per_inch);
PhysicalHeightInch = (float) ((double) Height
+ / ((double) pngChunkpHYs.PixelsPerUnitYAxis *
meters_per_inch));
{code}
After this patch I got correct values:
Width: 3509
Physical Width Dpi: 300
Physical Width Inch: 11.69667
Height: 2481
Physical Height Dpi: 300
Physical Height Inch: 8.2700024
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