Example #1
0
 public double getStringLength(double textHeight, String string) {
   if (string == null) return 0.0d;
   double width = 0.0d;
   for (int cp : RenderUtils.stringToCodePoints(string)) {
     TessChar tc = getTessChar(cp);
     width += tc.getAdvance();
   }
   return width * textHeight / getNominalHeight();
 }
Example #2
0
 /**
  * Returns the index of the first character in the string whose x-coordinate is closest to the
  * given value.
  *
  * @param textHeight - height of the text in metres
  * @param string - given string
  * @param x - x-coordinate whose index number is to be found
  * @return index number in the string.
  */
 public int getStringPosition(double textHeight, String string, double x) {
   if (string == null) return 0;
   double scaledX = x / textHeight * getNominalHeight();
   double width = 0.0d;
   int[] cpList = RenderUtils.stringToCodePoints(string);
   for (int i = 0; i < cpList.length; i++) {
     TessChar tc = getTessChar(cpList[i]);
     if (width + 0.5d * tc.getAdvance() >= scaledX) return i;
     width += tc.getAdvance();
   }
   return cpList.length;
 }