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Made performance improvements, doc improvements, and code cleanup to

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DuffCode.
This commit is contained in:
dchandler 2003-05-31 17:02:06 +00:00
parent 08d2ea3e2d
commit a4bc23a9ab
3 changed files with 42 additions and 53 deletions
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43
source/org/thdl/tib/text/DuffCode.java
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@ -10,7 +10,7 @@ License for the specific terms governing rights and limitations under the
License.
The Initial Developer of this software is the Tibetan and Himalayan Digital
Library (THDL). Portions created by the THDL are Copyright 2001 THDL.
Library (THDL). Portions created by the THDL are Copyright 2001-2003 THDL.
All Rights Reserved.
Contributor(s): ______________________________________.
@ -31,24 +31,23 @@ import org.thdl.util.ThdlDebug;
* a character number. A font identification and a character
* (or character number) are sufficient to uniquely identify
* any TibetanMachineWeb glyph.
*
* Note that DuffCodes are sometimes used, internally, to represent
* glyphs in other fonts, e.g. the TibetanMachine font. But mainly
* they represent TibetanMachineWeb glyphs.
* @author Edward Garrett, Tibetan and Himalayan Digital Library
* @version 1.0
*/
* @version 1.0 */
public class DuffCode {
public final class DuffCode {
/**
* the font number in which this glyph can be found,
* from 1 (TibetanMachineWeb) to 10 (TibetanMachineWeb9).
*/
public int fontNum;
private int fontNum;
/**
* the character value of this glyph
* the character value of this glyph, as an integer (that is, ordinal)
*/
public char character;
/**
* the character value of this glyph, as an integer
*/
public int charNum;
private int charNum;
/**
* Called by {@link TibetanMachineWeb} to generate
@ -75,12 +74,10 @@ public class DuffCode {
if (leftToRight) {
setFontNum(num1.intValue());
charNum = num2.intValue();
character = (char)charNum;
}
else {
setFontNum(num2.intValue());
charNum = num1.intValue();
character = (char)charNum;
}
}
catch (NumberFormatException e) {
@ -97,7 +94,6 @@ public class DuffCode {
*/
public DuffCode(int font, char ch) {
setFontNum(font);
character = ch;
charNum = (int)ch;
}
@ -128,23 +124,16 @@ public class DuffCode {
* @return the identifying character for this DuffCode
*/
public char getCharacter() {
return character;
return (char)charNum;
}
/**
* Assigns a hashcode based on the font number and character for this glyph.
* The hashcode for a DuffCode with font=1 and character='c'
* is defined as the hash code of the string '1-c'.
* Assigns a hashcode based on the font number and character for this
* glyph.
*
* @return the hash code for this object
*/
* @return the hash code for this object */
public int hashCode() {
StringBuffer sb = new StringBuffer();
sb.append(new Integer(fontNum).toString());
sb.append('-');
sb.append(character);
String s = sb.toString();
return s.hashCode();
return fontNum*256 + charNum;
}
/**
@ -170,6 +159,6 @@ public class DuffCode {
public String toString() {
return "<duffcode font=" + TibetanMachineWeb.tmwFontNames[fontNum]
+ " charNum=" + charNum + " character="
+ new Character(character).toString() + "/>";
+ new Character(getCharacter()).toString() + "/>";
}
}