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Added raster write test

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+ fixed a small issue for PAM
This commit is contained in:
Harald Kuhr
2026-03-11 18:53:24 +01:00
parent 26ecf18c68
commit b9b3c364be
3 changed files with 63 additions and 9 deletions
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imageio/imageio-pnm/src/main/java/com/twelvemonkeys/imageio/plugins/pnm/TupleType.java
+6 -1
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@@ -111,6 +111,7 @@ enum TupleType {
static TupleType forPAM(Raster raster) {
SampleModel sampleModel = raster.getSampleModel();
switch (sampleModel.getTransferType()) {
case DataBuffer.TYPE_BYTE:
case DataBuffer.TYPE_USHORT:
@@ -145,8 +146,12 @@ enum TupleType {
return TupleType.RGB;
}
else if (bands == 4) {
// Ambiguous, could also be CMYK...
return TupleType.RGB_ALPHA;
}
else if (bands == 5) {
return TupleType.CMYK_ALPHA;
}
// ...else fall through...
}
@@ -154,7 +159,7 @@ enum TupleType {
}
static TupleType forPAM(ImageTypeSpecifier type) {
// Support only 1 bit b/w, 8-16 bit gray and 8-16 bit/sample RGB
// Support only 1 bit b/w, 8-16 bit gray, 8-16 bit/sample RGB and 8-16 bit/sample CMYK
switch (type.getBufferedImageType()) {
// 1 bit b/w or b/w + a
case BufferedImage.TYPE_BYTE_BINARY: