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#628 TIFF metadata fix, now always outputs denominator for rationals.

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+ Bonus: Added JAI TIFF interop module with test and other minor fixes.
This commit is contained in:
Harald Kuhr
2021-09-17 16:26:03 +02:00
parent 62ba73a30e
commit 11227a68a0
6 changed files with 181 additions and 16 deletions
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imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageMetadataTest.java
+3 -3
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@@ -238,8 +238,8 @@ public class TIFFImageMetadataTest {
assertSingleNodeWithValue(entries, TIFF.TAG_ROWS_PER_STRIP, TIFF.TYPE_LONG, "5");
assertSingleNodeWithValue(entries, TIFF.TAG_STRIP_BYTE_COUNTS, TIFF.TYPE_LONG, stripByteCounts);
assertSingleNodeWithValue(entries, TIFF.TAG_PLANAR_CONFIGURATION, TIFF.TYPE_SHORT, "1");
assertSingleNodeWithValue(entries, TIFF.TAG_X_POSITION, TIFF.TYPE_RATIONAL, "0");
assertSingleNodeWithValue(entries, TIFF.TAG_Y_POSITION, TIFF.TYPE_RATIONAL, "0");
assertSingleNodeWithValue(entries, TIFF.TAG_X_POSITION, TIFF.TYPE_RATIONAL, "0/1");
assertSingleNodeWithValue(entries, TIFF.TAG_Y_POSITION, TIFF.TYPE_RATIONAL, "0/1");
assertSingleNodeWithValue(entries, 32995, TIFF.TYPE_SHORT, "0"); // Matteing tag, obsoleted by ExtraSamples tag in TIFF 6.0
}
@@ -299,7 +299,7 @@ public class TIFFImageMetadataTest {
// Validate there's one and only one resolution unit, x res and y res
// Validate resolution unit == 1, x res & y res
assertSingleNodeWithValue(fields, TIFF.TAG_RESOLUTION_UNIT, TIFF.TYPE_SHORT, String.valueOf(TIFFBaseline.RESOLUTION_UNIT_DPI));
assertSingleNodeWithValue(fields, TIFF.TAG_X_RESOLUTION, TIFF.TYPE_RATIONAL, "300");
assertSingleNodeWithValue(fields, TIFF.TAG_X_RESOLUTION, TIFF.TYPE_RATIONAL, "300/1");
assertSingleNodeWithValue(fields, TIFF.TAG_Y_RESOLUTION, TIFF.TYPE_RATIONAL, "30001/100");
}