mirror of https://github.com/octoleo/plantuml.git
115 lines
3.6 KiB
Java
115 lines
3.6 KiB
Java
/* ========================================================================
|
|
* PlantUML : a free UML diagram generator
|
|
* ========================================================================
|
|
*
|
|
* (C) Copyright 2009-2020, 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.creole.atom;
|
|
|
|
import java.awt.Color;
|
|
import java.awt.geom.Dimension2D;
|
|
import java.awt.image.BufferedImage;
|
|
|
|
import net.sourceforge.plantuml.Dimension2DDouble;
|
|
import net.sourceforge.plantuml.SvgString;
|
|
import net.sourceforge.plantuml.graphic.StringBounder;
|
|
import net.sourceforge.plantuml.math.ScientificEquationSafe;
|
|
import net.sourceforge.plantuml.ugraphic.UGraphic;
|
|
import net.sourceforge.plantuml.ugraphic.UImage;
|
|
import net.sourceforge.plantuml.ugraphic.UImageSvg;
|
|
import net.sourceforge.plantuml.ugraphic.color.ColorMapper;
|
|
import net.sourceforge.plantuml.ugraphic.color.HColor;
|
|
import net.sourceforge.plantuml.ugraphic.color.HColorSimple;
|
|
|
|
public class AtomMath extends AbstractAtom implements Atom {
|
|
|
|
private final double scale;
|
|
private final ScientificEquationSafe math;
|
|
private final HColor foreground;
|
|
private final HColor background;
|
|
private final ColorMapper colorMapper;
|
|
|
|
public AtomMath(ScientificEquationSafe math, HColor foreground, HColor background, double scale,
|
|
ColorMapper colorMapper) {
|
|
this.math = math;
|
|
this.colorMapper = colorMapper;
|
|
this.foreground = foreground;
|
|
this.background = background;
|
|
this.scale = scale;
|
|
}
|
|
|
|
private Dimension2D calculateDimensionSlow(StringBounder stringBounder) {
|
|
final BufferedImage image = math.getImage(scale, Color.BLACK, Color.WHITE);
|
|
return new Dimension2DDouble(image.getWidth(), image.getHeight());
|
|
}
|
|
|
|
private Dimension2D dim;
|
|
|
|
public Dimension2D calculateDimension(StringBounder stringBounder) {
|
|
if (dim == null) {
|
|
dim = calculateDimensionSlow(stringBounder);
|
|
}
|
|
return dim;
|
|
}
|
|
|
|
public double getStartingAltitude(StringBounder stringBounder) {
|
|
return 0;
|
|
}
|
|
|
|
public void drawU(UGraphic ug) {
|
|
final boolean isSvg = ug.matchesProperty("SVG");
|
|
final Color back;
|
|
if (background == null) {
|
|
back = null;
|
|
} else {
|
|
back = getColor(background, Color.WHITE);
|
|
}
|
|
final Color fore = getColor(foreground, Color.BLACK);
|
|
// final double dpiFactor = ug.dpiFactor();
|
|
if (isSvg) {
|
|
final SvgString svg = math.getSvg(scale, fore, back);
|
|
ug.draw(new UImageSvg(svg));
|
|
} else {
|
|
final UImage image = new UImage(null, math.getImage(scale, fore, back), math.getFormula());
|
|
ug.draw(image);
|
|
}
|
|
}
|
|
|
|
private Color getColor(HColor color, Color defaultValue) {
|
|
if (color instanceof HColorSimple) {
|
|
return colorMapper.toColor(color);
|
|
}
|
|
return defaultValue;
|
|
|
|
}
|
|
}
|