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TMI-16: Clean-up of thumbnail reading. Removed obsolete code.

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This commit is contained in:
Harald Kuhr 2012-05-02 11:59:14 +02:00
parent 241c1882f4
commit aaef2e4fad
2 changed files with 11 additions and 15 deletions
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20
imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/EXIFThumbnailReader.java
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@ -132,7 +132,7 @@ final class EXIFThumbnailReader extends ThumbnailReader {
} }
} }
return null; throw new IIOException("Missing JPEGInterchangeFormat tag for JPEG compressed EXIF thumbnail");
} }
private BufferedImage readUncompressed() throws IOException { private BufferedImage readUncompressed() throws IOException {
@ -142,7 +142,7 @@ final class EXIFThumbnailReader extends ThumbnailReader {
Entry height = ifd.getEntryById(TIFF.TAG_IMAGE_HEIGHT); Entry height = ifd.getEntryById(TIFF.TAG_IMAGE_HEIGHT);
if (width == null || height == null) { if (width == null || height == null) {
throw new IIOException("Missing dimensions for RAW EXIF thumbnail"); throw new IIOException("Missing dimensions for uncompressed EXIF thumbnail");
} }
Entry bitsPerSample = ifd.getEntryById(TIFF.TAG_BITS_PER_SAMPLE); Entry bitsPerSample = ifd.getEntryById(TIFF.TAG_BITS_PER_SAMPLE);
@ -156,12 +156,12 @@ final class EXIFThumbnailReader extends ThumbnailReader {
if (bitsPerSample != null) { if (bitsPerSample != null) {
int[] bpp = (int[]) bitsPerSample.getValue(); int[] bpp = (int[]) bitsPerSample.getValue();
if (!Arrays.equals(bpp, new int[] {8, 8, 8})) { if (!Arrays.equals(bpp, new int[] {8, 8, 8})) {
throw new IIOException("Unknown bits per sample for RAW EXIF thumbnail: " + bitsPerSample.getValueAsString()); throw new IIOException("Unknown BitsPerSample value for uncompressed EXIF thumbnail (expected [8, 8, 8]): " + bitsPerSample.getValueAsString());
} }
} }
if (samplesPerPixel != null && (Integer) samplesPerPixel.getValue() != 3) { if (samplesPerPixel != null && (Integer) samplesPerPixel.getValue() != 3) {
throw new IIOException("Unknown samples per pixel for RAW EXIF thumbnail: " + samplesPerPixel.getValueAsString()); throw new IIOException("Unknown SamplesPerPixel value for uncompressed EXIF thumbnail (expected 3): " + samplesPerPixel.getValueAsString());
} }
int interpretation = photometricInterpretation != null ? ((Number) photometricInterpretation.getValue()).intValue() : 2; int interpretation = photometricInterpretation != null ? ((Number) photometricInterpretation.getValue()).intValue() : 2;
@ -186,13 +186,13 @@ final class EXIFThumbnailReader extends ThumbnailReader {
} }
break; break;
default: default:
throw new IIOException("Unknown photometric interpretation for RAW EXIF thumbnail: " + interpretation); throw new IIOException("Unknown PhotometricInterpretation value for uncompressed EXIF thumbnail (expected 2 or 6): " + interpretation);
} }
return ThumbnailReader.readRawThumbnail(thumbData, thumbData.length, 0, w, h); return ThumbnailReader.readRawThumbnail(thumbData, thumbData.length, 0, w, h);
} }
return null; throw new IIOException("Missing StripOffsets tag for uncompressed EXIF thumbnail");
} }
@Override @Override
@ -201,7 +201,7 @@ final class EXIFThumbnailReader extends ThumbnailReader {
Entry width = ifd.getEntryById(TIFF.TAG_IMAGE_WIDTH); Entry width = ifd.getEntryById(TIFF.TAG_IMAGE_WIDTH);
if (width == null) { if (width == null) {
throw new IIOException("Missing dimensions for RAW EXIF thumbnail"); throw new IIOException("Missing dimensions for unknown EXIF thumbnail");
} }
return ((Number) width.getValue()).intValue(); return ((Number) width.getValue()).intValue();
@ -210,7 +210,7 @@ final class EXIFThumbnailReader extends ThumbnailReader {
return readJPEGCached(false).getWidth(); return readJPEGCached(false).getWidth();
} }
else { else {
throw new IIOException("Unsupported EXIF thumbnail compression: " + compression); throw new IIOException("Unsupported EXIF thumbnail compression (expected 1 or 6): " + compression);
} }
} }
@ -220,7 +220,7 @@ final class EXIFThumbnailReader extends ThumbnailReader {
Entry height = ifd.getEntryById(TIFF.TAG_IMAGE_HEIGHT); Entry height = ifd.getEntryById(TIFF.TAG_IMAGE_HEIGHT);
if (height == null) { if (height == null) {
throw new IIOException("Missing dimensions for RAW EXIF thumbnail"); throw new IIOException("Missing dimensions for unknown EXIF thumbnail");
} }
return ((Number) height.getValue()).intValue(); return ((Number) height.getValue()).intValue();
@ -229,7 +229,7 @@ final class EXIFThumbnailReader extends ThumbnailReader {
return readJPEGCached(false).getHeight(); return readJPEGCached(false).getHeight();
} }
else { else {
throw new IIOException("Unsupported EXIF thumbnail compression: " + compression); throw new IIOException("Unsupported EXIF thumbnail compression (expected 1 or 6): " + compression);
} }
} }
} }

4
imageio/imageio-jpeg/src/main/java/com/twelvemonkeys/imageio/plugins/jpeg/ThumbnailReader.java
View File

@ -65,10 +65,6 @@ abstract class ThumbnailReader {
parent.processThumbnailComplete(); parent.processThumbnailComplete();
} }
protected final void processWarningOccurred(String warning) {
parent.processWarningOccurred(warning);
}
static protected BufferedImage readJPEGThumbnail(InputStream stream) throws IOException { static protected BufferedImage readJPEGThumbnail(InputStream stream) throws IOException {
return ImageIO.read(stream); return ImageIO.read(stream);
} }