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plantuml/src/net/sourceforge/plantuml/openiconic/SvgCommandLetter.java
2022-03-07 20:33:46 +01:00

103 lines
2.4 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.openiconic;
import net.sourceforge.plantuml.StringUtils;
public class SvgCommandLetter implements SvgCommand {
final private char letter;
public SvgCommandLetter(String letter) {
if (letter.matches("[mlhvzsacMLHVZSAC]") == false) {
throw new IllegalArgumentException(letter);
}
this.letter = letter.charAt(0);
}
@Override
public String toString() {
return " " + letter;
}
public String toSvg() {
return "" + letter;
}
public int argumentNumber() {
switch (StringUtils.goLowerCase(letter)) {
case 'm':
case 'l':
return 2;
case 'h':
case 'v':
return 1;
case 'z':
return 0;
case 'c':
return 6;
case 's':
return 4;
case 'a':
return 7;
}
throw new UnsupportedOperationException("" + letter);
}
public boolean isUpperCase() {
return Character.isUpperCase(letter);
}
public boolean is(char c) {
return this.letter == c;
}
public char getLetter() {
return letter;
}
public SvgCommandLetter implicit() {
// https://stackoverflow.com/questions/29251389/svg-path-spec-moveto-and-implicit-lineto
if (letter == 'm')
return new SvgCommandLetter("l");
if (letter == 'M')
return new SvgCommandLetter("L");
return this;
}
}