net.sourceforge.plantuml.klimt.creole.atom.AtomMath Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write diagrams from text.

There is a newer version: 1.2024.8

// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
package net.sourceforge.plantuml.klimt.creole.atom;

import java.awt.Color;
import java.awt.image.BufferedImage;

import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColorSimple;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.UImage;
import net.sourceforge.plantuml.klimt.shape.UImageSvg;
import net.sourceforge.plantuml.math.ScientificEquationSafe;

public class AtomMath extends AbstractAtom implements Atom {
	// ::remove file when __CORE__

	private final ScientificEquationSafe math;
	private final HColor foreground;
	private final HColor background;

	public AtomMath(ScientificEquationSafe math, HColor foreground, HColor background) {
		this.math = math;
		this.foreground = foreground;
		this.background = background;
	}

	private XDimension2D calculateDimensionSlow(StringBounder stringBounder) {
		final BufferedImage image = math.getImage(Color.BLACK, Color.WHITE).withScale(1).getImage();
		return new XDimension2D(image.getWidth(), image.getHeight());
	}

	private XDimension2D dim;

	public XDimension2D calculateDimension(StringBounder stringBounder) {
		if (dim == null) {
			dim = calculateDimensionSlow(stringBounder);
		}
		return dim;
	}

	public double getStartingAltitude(StringBounder stringBounder) {
		return 0;
	}

	public void drawU(UGraphic ug) {
		final ColorMapper colorMapper = ug.getColorMapper();
		final boolean isSvg = ug.matchesProperty("SVG");
		final Color back;
		if (background == null)
			back = null;
		else
			back = getColor(colorMapper, background, Color.WHITE);

		final Color fore = getColor(colorMapper, foreground, Color.BLACK);
		// final double dpiFactor = ug.dpiFactor();
		if (isSvg) {
			final UImageSvg svg = math.getSvg(1, fore, back);
			ug.draw(svg);
		} else {
			final UImage image = new UImage(math.getImage(fore, back)).withFormula(math.getFormula());
			ug.draw(image);
		}
	}

	private Color getColor(ColorMapper colorMapper, HColor color, Color defaultValue) {
		if (color instanceof HColorSimple)
			return color.toColor(colorMapper);

		return defaultValue;

	}
}