plantuml/src/net/sourceforge/plantuml/svek/HeaderLayout.java

120 lines
4.6 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.svek;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.awt.geom.Dimension2D;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.graphic.TextBlockEmpty;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.utils.MathUtils;
public class HeaderLayout {
final private TextBlock name;
final private TextBlock stereo;
final private TextBlock generic;
final private TextBlock circledCharacter;
public HeaderLayout(TextBlock circledCharacter, TextBlock stereo, TextBlock name, TextBlock generic) {
this.circledCharacter = protectAgaintNull(circledCharacter);
this.stereo = protectAgaintNull(stereo);
this.name = protectAgaintNull(name);
this.generic = protectAgaintNull(generic);
}
private static TextBlock protectAgaintNull(TextBlock block) {
if (block == null) {
return new TextBlockEmpty();
}
return block;
}
public Dimension2D getDimension(StringBounder stringBounder) {
final Dimension2D nameDim = name.calculateDimension(stringBounder);
final Dimension2D genericDim = generic.calculateDimension(stringBounder);
final Dimension2D stereoDim = stereo.calculateDimension(stringBounder);
final Dimension2D circleDim = circledCharacter.calculateDimension(stringBounder);
final double width = circleDim.getWidth() + Math.max(stereoDim.getWidth(), nameDim.getWidth())
+ genericDim.getWidth();
final double height = MathUtils.max(circleDim.getHeight(), stereoDim.getHeight() + nameDim.getHeight() + 10,
genericDim.getHeight());
return new Dimension2DDouble(width, height);
}
public void drawU(UGraphic ug, double width, double height) {
final StringBounder stringBounder = ug.getStringBounder();
final Dimension2D nameDim = name.calculateDimension(stringBounder);
final Dimension2D genericDim = generic.calculateDimension(stringBounder);
final Dimension2D stereoDim = stereo.calculateDimension(stringBounder);
final Dimension2D circleDim = circledCharacter.calculateDimension(stringBounder);
final double widthStereoAndName = Math.max(stereoDim.getWidth(), nameDim.getWidth());
final double suppWith = Math.max(0, width - circleDim.getWidth() - widthStereoAndName - genericDim.getWidth());
assert suppWith >= 0;
final double h2 = Math.min(circleDim.getWidth() / 4, suppWith * 0.1);
final double h1 = (suppWith - h2) / 2;
assert h1 >= 0;
assert h2 >= 0;
final double xCircle = h1;
final double yCircle = (height - circleDim.getHeight()) / 2;
circledCharacter.drawU(ug.apply(new UTranslate(xCircle, yCircle)));
final double diffHeight = height - stereoDim.getHeight() - nameDim.getHeight();
final double xStereo = circleDim.getWidth() + (widthStereoAndName - stereoDim.getWidth()) / 2 + h1 + h2;
final double yStereo = diffHeight / 2;
stereo.drawU(ug.apply(new UTranslate(xStereo, yStereo)));
final double xName = circleDim.getWidth() + (widthStereoAndName - nameDim.getWidth()) / 2 + h1 + h2;
final double yName = diffHeight / 2 + stereoDim.getHeight();
name.drawU(ug.apply(new UTranslate(xName, yName)));
if (genericDim.getWidth() > 0) {
final double delta = 4;
final double xGeneric = width - genericDim.getWidth() + delta;
final double yGeneric = -delta;
generic.drawU(ug.apply(new UTranslate(xGeneric, yGeneric)));
}
}
}