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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2014, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* Licensed under The MIT License (Massachusetts Institute of Technology License)
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Arnaud Roques
*/
package net.sourceforge.plantuml.graphic;
import java.awt.geom.Dimension2D;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.Direction;
import net.sourceforge.plantuml.ugraphic.UChangeBackColor;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UPolygon;
import net.sourceforge.plantuml.ugraphic.UTranslate;
public class TextBlockArrow implements TextBlock {
private final double size;
private final Direction arrow;
private final HtmlColor color;
public TextBlockArrow(Direction arrow, FontConfiguration fontConfiguration) {
if (arrow == null) {
throw new IllegalArgumentException();
}
this.arrow = arrow;
// this.size = fontConfiguration.getFont().getSize2D() * 0 + 30;
this.size = fontConfiguration.getFont().getSize2D();
this.color = fontConfiguration.getColor();
}
public void drawU(UGraphic ug) {
ug = ug.apply(new UChangeBackColor(color));
ug = ug.apply(new UChangeColor(color));
int triSize = (int) (size * .8 - 3);
if (triSize % 2 == 1) {
triSize--;
}
final UPolygon triangle = getTriangle(triSize);
if (arrow == Direction.RIGHT || arrow == Direction.LEFT) {
ug.apply(new UTranslate(2, (size - triSize) - 2)).draw(triangle);
} else {
ug.apply(new UTranslate(2, (size - triSize) - 2)).draw(triangle);
}
}
private UPolygon getTriangle(int triSize) {
final UPolygon triangle = new UPolygon();
if (arrow == Direction.RIGHT) {
triangle.addPoint(0, 0);
triangle.addPoint(triSize, triSize / 2);
triangle.addPoint(0, triSize);
triangle.addPoint(0, 0);
} else if (arrow == Direction.LEFT) {
triangle.addPoint(triSize, 0);
triangle.addPoint(0, triSize / 2);
triangle.addPoint(triSize, triSize);
triangle.addPoint(triSize, 0);
} else if (arrow == Direction.UP) {
triangle.addPoint(0, triSize);
triangle.addPoint(triSize / 2, 0);
triangle.addPoint(triSize, triSize);
triangle.addPoint(0, triSize);
} else if (arrow == Direction.DOWN) {
triangle.addPoint(0, 0);
triangle.addPoint(triSize / 2, triSize);
triangle.addPoint(triSize, 0);
triangle.addPoint(0, 0);
} else {
throw new IllegalStateException();
}
return triangle;
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
return new Dimension2DDouble(size, size);
}
}
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