Java Code Examples for javax.imageio.plugins.tiff.TIFFField#getCount()
The following examples show how to use
javax.imageio.plugins.tiff.TIFFField#getCount() .
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Example 1
| Source File: TIFFYCbCrColorConverter.java From Bytecoder with Apache License 2.0 | 6 votes |
|
public TIFFYCbCrColorConverter(TIFFImageMetadata metadata) {
TIFFImageMetadata tmetadata = metadata;
TIFFField f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_COEFFICIENTS);
if (f != null && f.getCount() == 3) {
this.lumaRed = f.getAsFloat(0);
this.lumaGreen = f.getAsFloat(1);
this.lumaBlue = f.getAsFloat(2);
}
f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_REFERENCE_BLACK_WHITE);
if (f != null && f.getCount() == 6) {
this.referenceBlackY = f.getAsFloat(0);
this.referenceWhiteY = f.getAsFloat(1);
this.referenceBlackCb = f.getAsFloat(2);
this.referenceWhiteCb = f.getAsFloat(3);
this.referenceBlackCr = f.getAsFloat(4);
this.referenceWhiteCr = f.getAsFloat(5);
}
}
Example 2
| Source File: TIFFYCbCrColorConverter.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
public TIFFYCbCrColorConverter(TIFFImageMetadata metadata) {
TIFFImageMetadata tmetadata = metadata;
TIFFField f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_COEFFICIENTS);
if (f != null && f.getCount() == 3) {
this.lumaRed = f.getAsFloat(0);
this.lumaGreen = f.getAsFloat(1);
this.lumaBlue = f.getAsFloat(2);
}
f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_REFERENCE_BLACK_WHITE);
if (f != null && f.getCount() == 6) {
this.referenceBlackY = f.getAsFloat(0);
this.referenceWhiteY = f.getAsFloat(1);
this.referenceBlackCb = f.getAsFloat(2);
this.referenceWhiteCb = f.getAsFloat(3);
this.referenceBlackCr = f.getAsFloat(4);
this.referenceWhiteCr = f.getAsFloat(5);
}
}
Example 3
| Source File: TIFFIFD.java From Bytecoder with Apache License 2.0 | 4 votes |
|
private static void writeTIFFFieldToStream(TIFFField field,
ImageOutputStream stream)
throws IOException {
int count = field.getCount();
Object data = field.getData();
switch (field.getType()) {
case TIFFTag.TIFF_ASCII:
for (int i = 0; i < count; i++) {
String s = ((String[])data)[i];
int length = s.length();
for (int j = 0; j < length; j++) {
stream.writeByte(s.charAt(j) & 0xff);
}
stream.writeByte(0);
}
break;
case TIFFTag.TIFF_UNDEFINED:
case TIFFTag.TIFF_BYTE:
case TIFFTag.TIFF_SBYTE:
stream.write((byte[])data);
break;
case TIFFTag.TIFF_SHORT:
stream.writeChars((char[])data, 0, ((char[])data).length);
break;
case TIFFTag.TIFF_SSHORT:
stream.writeShorts((short[])data, 0, ((short[])data).length);
break;
case TIFFTag.TIFF_SLONG:
stream.writeInts((int[])data, 0, ((int[])data).length);
break;
case TIFFTag.TIFF_LONG:
for (int i = 0; i < count; i++) {
stream.writeInt((int)(((long[])data)[i]));
}
break;
case TIFFTag.TIFF_IFD_POINTER:
stream.writeInt(0); // will need to be backpatched
break;
case TIFFTag.TIFF_FLOAT:
stream.writeFloats((float[])data, 0, ((float[])data).length);
break;
case TIFFTag.TIFF_DOUBLE:
stream.writeDoubles((double[])data, 0, ((double[])data).length);
break;
case TIFFTag.TIFF_SRATIONAL:
for (int i = 0; i < count; i++) {
stream.writeInt(((int[][])data)[i][0]);
stream.writeInt(((int[][])data)[i][1]);
}
break;
case TIFFTag.TIFF_RATIONAL:
for (int i = 0; i < count; i++) {
long num = ((long[][])data)[i][0];
long den = ((long[][])data)[i][1];
stream.writeInt((int)num);
stream.writeInt((int)den);
}
break;
default:
// error
}
}
Example 4
| Source File: TIFFIFD.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public void writeToStream(ImageOutputStream stream)
throws IOException {
int numFields = getNumTIFFFields();
stream.writeShort(numFields);
long nextSpace = stream.getStreamPosition() + 12*numFields + 4;
Iterator<TIFFField> iter = iterator();
while (iter.hasNext()) {
TIFFField f = iter.next();
TIFFTag tag = f.getTag();
int type = f.getType();
int count = f.getCount();
// Deal with unknown tags
if (type == 0) {
type = TIFFTag.TIFF_UNDEFINED;
}
int size = count*TIFFTag.getSizeOfType(type);
if (type == TIFFTag.TIFF_ASCII) {
int chars = 0;
for (int i = 0; i < count; i++) {
chars += f.getAsString(i).length() + 1;
}
count = chars;
size = count;
}
int tagNumber = f.getTagNumber();
stream.writeShort(tagNumber);
stream.writeShort(type);
stream.writeInt(count);
// Write a dummy value to fill space
stream.writeInt(0);
stream.mark(); // Mark beginning of next field
stream.skipBytes(-4);
long pos;
if (size > 4 || tag.isIFDPointer()) {
// Ensure IFD or value is written on a word boundary
nextSpace = (nextSpace + 3) & ~0x3;
stream.writeInt((int)nextSpace);
stream.seek(nextSpace);
pos = nextSpace;
if (tag.isIFDPointer() && f.hasDirectory()) {
TIFFIFD subIFD = getDirectoryAsIFD(f.getDirectory());
subIFD.writeToStream(stream);
nextSpace = subIFD.lastPosition;
} else {
writeTIFFFieldToStream(f, stream);
nextSpace = stream.getStreamPosition();
}
} else {
pos = stream.getStreamPosition();
writeTIFFFieldToStream(f, stream);
}
// If we are writing the data for the
// StripByteCounts, TileByteCounts, StripOffsets,
// TileOffsets, JPEGInterchangeFormat, or
// JPEGInterchangeFormatLength fields, record the current stream
// position for backpatching
if (tagNumber ==
BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS ||
tagNumber == BaselineTIFFTagSet.TAG_TILE_BYTE_COUNTS ||
tagNumber == BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT_LENGTH) {
this.stripOrTileByteCountsPosition = pos;
} else if (tagNumber ==
BaselineTIFFTagSet.TAG_STRIP_OFFSETS ||
tagNumber ==
BaselineTIFFTagSet.TAG_TILE_OFFSETS ||
tagNumber ==
BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT) {
this.stripOrTileOffsetsPosition = pos;
}
stream.reset(); // Go to marked position of next field
}
this.lastPosition = nextSpace;
}
Example 5
| Source File: TIFFYCbCrDecompressor.java From Bytecoder with Apache License 2.0 | 4 votes |
|
public void beginDecoding() {
if(decompressor != null) {
decompressor.beginDecoding();
}
TIFFImageMetadata tmetadata = (TIFFImageMetadata)metadata;
TIFFField f;
f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
if (f != null) {
if (f.getCount() == 2) {
this.chromaSubsampleH = f.getAsInt(0);
this.chromaSubsampleV = f.getAsInt(1);
if (chromaSubsampleH != 1 && chromaSubsampleH != 2 &&
chromaSubsampleH != 4) {
warning("Y_CB_CR_SUBSAMPLING[0] has illegal value " +
chromaSubsampleH +
" (should be 1, 2, or 4), setting to 1");
chromaSubsampleH = 1;
}
if (chromaSubsampleV != 1 && chromaSubsampleV != 2 &&
chromaSubsampleV != 4) {
warning("Y_CB_CR_SUBSAMPLING[1] has illegal value " +
chromaSubsampleV +
" (should be 1, 2, or 4), setting to 1");
chromaSubsampleV = 1;
}
} else {
warning("Y_CB_CR_SUBSAMPLING count != 2, " +
"assuming no subsampling");
}
}
f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_COEFFICIENTS);
if (f != null) {
if (f.getCount() == 3) {
this.lumaRed = f.getAsFloat(0);
this.lumaGreen = f.getAsFloat(1);
this.lumaBlue = f.getAsFloat(2);
} else {
warning("Y_CB_CR_COEFFICIENTS count != 3, " +
"assuming default values for CCIR 601-1");
}
}
f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_REFERENCE_BLACK_WHITE);
if (f != null) {
if (f.getCount() == 6) {
this.referenceBlackY = f.getAsFloat(0);
this.referenceWhiteY = f.getAsFloat(1);
this.referenceBlackCb = f.getAsFloat(2);
this.referenceWhiteCb = f.getAsFloat(3);
this.referenceBlackCr = f.getAsFloat(4);
this.referenceWhiteCr = f.getAsFloat(5);
} else {
warning("REFERENCE_BLACK_WHITE count != 6, ignoring it");
}
} else {
warning("REFERENCE_BLACK_WHITE not found, assuming 0-255/128-255/128-255");
}
this.colorConvert = true;
float BCb = (2.0f - 2.0f*lumaBlue);
float RCr = (2.0f - 2.0f*lumaRed);
float GY = (1.0f - lumaBlue - lumaRed)/lumaGreen;
float GCb = 2.0f*lumaBlue*(lumaBlue - 1.0f)/lumaGreen;
float GCr = 2.0f*lumaRed*(lumaRed - 1.0f)/lumaGreen;
for (int i = 0; i < 256; i++) {
float fY = (i - referenceBlackY)*codingRangeY/
(referenceWhiteY - referenceBlackY);
float fCb = (i - referenceBlackCb)*127.0f/
(referenceWhiteCb - referenceBlackCb);
float fCr = (i - referenceBlackCr)*127.0f/
(referenceWhiteCr - referenceBlackCr);
iYTab[i] = (int)(fY*FRAC_SCALE);
iCbTab[i] = (int)(fCb*BCb*FRAC_SCALE);
iCrTab[i] = (int)(fCr*RCr*FRAC_SCALE);
iGYTab[i] = (int)(fY*GY*FRAC_SCALE);
iGCbTab[i] = (int)(fCb*GCb*FRAC_SCALE);
iGCrTab[i] = (int)(fCr*GCr*FRAC_SCALE);
}
}
Example 6
| Source File: TIFFIFD.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
private static void writeTIFFFieldToStream(TIFFField field,
ImageOutputStream stream)
throws IOException {
int count = field.getCount();
Object data = field.getData();
switch (field.getType()) {
case TIFFTag.TIFF_ASCII:
for (int i = 0; i < count; i++) {
String s = ((String[])data)[i];
int length = s.length();
for (int j = 0; j < length; j++) {
stream.writeByte(s.charAt(j) & 0xff);
}
stream.writeByte(0);
}
break;
case TIFFTag.TIFF_UNDEFINED:
case TIFFTag.TIFF_BYTE:
case TIFFTag.TIFF_SBYTE:
stream.write((byte[])data);
break;
case TIFFTag.TIFF_SHORT:
stream.writeChars((char[])data, 0, ((char[])data).length);
break;
case TIFFTag.TIFF_SSHORT:
stream.writeShorts((short[])data, 0, ((short[])data).length);
break;
case TIFFTag.TIFF_SLONG:
stream.writeInts((int[])data, 0, ((int[])data).length);
break;
case TIFFTag.TIFF_LONG:
for (int i = 0; i < count; i++) {
stream.writeInt((int)(((long[])data)[i]));
}
break;
case TIFFTag.TIFF_IFD_POINTER:
stream.writeInt(0); // will need to be backpatched
break;
case TIFFTag.TIFF_FLOAT:
stream.writeFloats((float[])data, 0, ((float[])data).length);
break;
case TIFFTag.TIFF_DOUBLE:
stream.writeDoubles((double[])data, 0, ((double[])data).length);
break;
case TIFFTag.TIFF_SRATIONAL:
for (int i = 0; i < count; i++) {
stream.writeInt(((int[][])data)[i][0]);
stream.writeInt(((int[][])data)[i][1]);
}
break;
case TIFFTag.TIFF_RATIONAL:
for (int i = 0; i < count; i++) {
long num = ((long[][])data)[i][0];
long den = ((long[][])data)[i][1];
stream.writeInt((int)num);
stream.writeInt((int)den);
}
break;
default:
// error
}
}
Example 7
| Source File: TIFFIFD.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public void writeToStream(ImageOutputStream stream)
throws IOException {
int numFields = getNumTIFFFields();
stream.writeShort(numFields);
long nextSpace = stream.getStreamPosition() + 12*numFields + 4;
Iterator<TIFFField> iter = iterator();
while (iter.hasNext()) {
TIFFField f = iter.next();
TIFFTag tag = f.getTag();
int type = f.getType();
int count = f.getCount();
// Deal with unknown tags
if (type == 0) {
type = TIFFTag.TIFF_UNDEFINED;
}
int size = count*TIFFTag.getSizeOfType(type);
if (type == TIFFTag.TIFF_ASCII) {
int chars = 0;
for (int i = 0; i < count; i++) {
chars += f.getAsString(i).length() + 1;
}
count = chars;
size = count;
}
int tagNumber = f.getTagNumber();
stream.writeShort(tagNumber);
stream.writeShort(type);
stream.writeInt(count);
// Write a dummy value to fill space
stream.writeInt(0);
stream.mark(); // Mark beginning of next field
stream.skipBytes(-4);
long pos;
if (size > 4 || tag.isIFDPointer()) {
// Ensure IFD or value is written on a word boundary
nextSpace = (nextSpace + 3) & ~0x3;
stream.writeInt((int)nextSpace);
stream.seek(nextSpace);
pos = nextSpace;
if (tag.isIFDPointer() && f.hasDirectory()) {
TIFFIFD subIFD = getDirectoryAsIFD(f.getDirectory());
subIFD.writeToStream(stream);
nextSpace = subIFD.lastPosition;
} else {
writeTIFFFieldToStream(f, stream);
nextSpace = stream.getStreamPosition();
}
} else {
pos = stream.getStreamPosition();
writeTIFFFieldToStream(f, stream);
}
// If we are writing the data for the
// StripByteCounts, TileByteCounts, StripOffsets,
// TileOffsets, JPEGInterchangeFormat, or
// JPEGInterchangeFormatLength fields, record the current stream
// position for backpatching
if (tagNumber ==
BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS ||
tagNumber == BaselineTIFFTagSet.TAG_TILE_BYTE_COUNTS ||
tagNumber == BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT_LENGTH) {
this.stripOrTileByteCountsPosition = pos;
} else if (tagNumber ==
BaselineTIFFTagSet.TAG_STRIP_OFFSETS ||
tagNumber ==
BaselineTIFFTagSet.TAG_TILE_OFFSETS ||
tagNumber ==
BaselineTIFFTagSet.TAG_JPEG_INTERCHANGE_FORMAT) {
this.stripOrTileOffsetsPosition = pos;
}
stream.reset(); // Go to marked position of next field
}
this.lastPosition = nextSpace;
}
Example 8
| Source File: TIFFYCbCrDecompressor.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public void beginDecoding() {
if(decompressor != null) {
decompressor.beginDecoding();
}
TIFFImageMetadata tmetadata = (TIFFImageMetadata)metadata;
TIFFField f;
f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
if (f != null) {
if (f.getCount() == 2) {
this.chromaSubsampleH = f.getAsInt(0);
this.chromaSubsampleV = f.getAsInt(1);
if (chromaSubsampleH != 1 && chromaSubsampleH != 2 &&
chromaSubsampleH != 4) {
warning("Y_CB_CR_SUBSAMPLING[0] has illegal value " +
chromaSubsampleH +
" (should be 1, 2, or 4), setting to 1");
chromaSubsampleH = 1;
}
if (chromaSubsampleV != 1 && chromaSubsampleV != 2 &&
chromaSubsampleV != 4) {
warning("Y_CB_CR_SUBSAMPLING[1] has illegal value " +
chromaSubsampleV +
" (should be 1, 2, or 4), setting to 1");
chromaSubsampleV = 1;
}
} else {
warning("Y_CB_CR_SUBSAMPLING count != 2, " +
"assuming no subsampling");
}
}
f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_COEFFICIENTS);
if (f != null) {
if (f.getCount() == 3) {
this.lumaRed = f.getAsFloat(0);
this.lumaGreen = f.getAsFloat(1);
this.lumaBlue = f.getAsFloat(2);
} else {
warning("Y_CB_CR_COEFFICIENTS count != 3, " +
"assuming default values for CCIR 601-1");
}
}
f =
tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_REFERENCE_BLACK_WHITE);
if (f != null) {
if (f.getCount() == 6) {
this.referenceBlackY = f.getAsFloat(0);
this.referenceWhiteY = f.getAsFloat(1);
this.referenceBlackCb = f.getAsFloat(2);
this.referenceWhiteCb = f.getAsFloat(3);
this.referenceBlackCr = f.getAsFloat(4);
this.referenceWhiteCr = f.getAsFloat(5);
} else {
warning("REFERENCE_BLACK_WHITE count != 6, ignoring it");
}
} else {
warning("REFERENCE_BLACK_WHITE not found, assuming 0-255/128-255/128-255");
}
this.colorConvert = true;
float BCb = (2.0f - 2.0f*lumaBlue);
float RCr = (2.0f - 2.0f*lumaRed);
float GY = (1.0f - lumaBlue - lumaRed)/lumaGreen;
float GCb = 2.0f*lumaBlue*(lumaBlue - 1.0f)/lumaGreen;
float GCr = 2.0f*lumaRed*(lumaRed - 1.0f)/lumaGreen;
for (int i = 0; i < 256; i++) {
float fY = (i - referenceBlackY)*codingRangeY/
(referenceWhiteY - referenceBlackY);
float fCb = (i - referenceBlackCb)*127.0f/
(referenceWhiteCb - referenceBlackCb);
float fCr = (i - referenceBlackCr)*127.0f/
(referenceWhiteCr - referenceBlackCr);
iYTab[i] = (int)(fY*FRAC_SCALE);
iCbTab[i] = (int)(fCb*BCb*FRAC_SCALE);
iCrTab[i] = (int)(fCr*RCr*FRAC_SCALE);
iGYTab[i] = (int)(fY*GY*FRAC_SCALE);
iGCbTab[i] = (int)(fCb*GCb*FRAC_SCALE);
iGCrTab[i] = (int)(fCr*GCr*FRAC_SCALE);
}
}
