public FIBLongHandler(byte[] mainStream, int offset) {
int longCount = LittleEndian.getShort(mainStream, offset);
offset += LittleEndian.SHORT_SIZE;
_longs = new int[longCount];
for (int x = 0; x < longCount; x++) {
_longs[x] = LittleEndian.getInt(mainStream, offset + (x * LittleEndian.INT_SIZE));
}
}
public Picture(int dataBlockStartOfsset, byte[] _dataStream, boolean fillBytes) {
this._dataStream = _dataStream;
this.dataBlockStartOfsset = dataBlockStartOfsset;
this.dataBlockSize = LittleEndian.getInt(_dataStream, dataBlockStartOfsset);
this.pictureBytesStartOffset =
getPictureBytesStartOffset(dataBlockStartOfsset, _dataStream, dataBlockSize);
this.size = dataBlockSize - (pictureBytesStartOffset - dataBlockStartOfsset);
if (size < 0) {}
this.aspectRatioX = extractAspectRatioX(_dataStream, dataBlockStartOfsset);
this.aspectRatioY = extractAspectRatioY(_dataStream, dataBlockStartOfsset);
if (fillBytes) {
fillImageContent();
}
}
/**
* For an existing set of text properties, build the list of properties coded for in a given run
* of properties.
*
* @return the number of bytes that were used encoding the properties list
*/
public int buildTextPropList(
int containsField, TextProp[] potentialProperties, byte[] data, int dataOffset) {
int bytesPassed = 0;
// For each possible entry, see if we match the mask
// If we do, decode that, save it, and shuffle on
for (int i = 0; i < potentialProperties.length; i++) {
// Check there's still data left to read
// Check if this property is found in the mask
if ((containsField & potentialProperties[i].getMask()) != 0) {
if (dataOffset + bytesPassed >= data.length) {
// Out of data, can't be any more properties to go
// remember the mask and return
maskSpecial |= potentialProperties[i].getMask();
return bytesPassed;
}
// Bingo, data contains this property
TextProp prop = (TextProp) potentialProperties[i].clone();
int val = 0;
if (prop.getSize() == 2) {
val = LittleEndian.getShort(data, dataOffset + bytesPassed);
} else if (prop.getSize() == 4) {
val = LittleEndian.getInt(data, dataOffset + bytesPassed);
} else if (prop.getSize() == 0) {
// remember "special" bits.
maskSpecial |= potentialProperties[i].getMask();
continue;
}
prop.setValue(val);
bytesPassed += prop.getSize();
textPropList.add(prop);
}
}
// Return how many bytes were used
return bytesPassed;
}
