public static boolean sameFontSize(TextSegment seg1, TextSegment seg2) {
// TODO: maybe make it 10% of the smallest of the two?
// return within(seg1.getFontSize(), seg2.getFontSize(), seg1.getFontSize() * 0.25f);
float afs = (seg1.getFontSize() + seg2.getFontSize()) / 2.0f;
if (!IS_OCR) return within(seg1.getFontSize(), seg2.getFontSize(), afs * 0.1f);
else return within(seg1.getFontSize(), seg2.getFontSize(), afs * 0.50f);
}
// is used at all?
private int findModalFontSize(Collection textBlocks) throws Exception {
// pre: all items in textBlocks must be TextPosition objects
// TODO: create a specific exception here
// will count font sizes 0..96pt inclusive, rounding down to nearest integer
int[] count = new int[96];
Iterator textIter = textBlocks.iterator();
while (textIter.hasNext()) {
TextSegment thisBlock = null;
try {
// if empty text block, try again :)
// (required so that empty text blocks do not interfere with processing)
while (textIter.hasNext() && (thisBlock == null || thisBlock.isEmpty())) {
thisBlock = (TextSegment) textIter.next();
}
} catch (java.lang.ClassCastException e) {
throw new Exception("Objects in the collection must be of type TextSegment.");
}
if (thisBlock != null && thisBlock.getFontSize() > 0 && thisBlock.getFontSize() <= 96)
count[new Double(thisBlock.getFontSize()).intValue()]++;
}
// loop through and find the highest
// if more than one mode, return the lowest
int highest = 0;
for (int n = 0; n < count.length; n++) {
if (count[n] > count[highest]) highest = n;
}
return highest;
}
public static float calculateThreshold(TextSegment seg1, TextSegment seg2, float multiple) {
return (minimum(seg1.getFontSize(), seg2.getFontSize()) * multiple);
}
