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PlantUML is a component that allows to quickly write diagrams from text.
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// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
* |
* | PlantUML : a free UML diagram generator
* |
* +=======================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
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*
*/
package net.sourceforge.plantuml.timingdiagram;
import java.util.List;
import java.util.Objects;
import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.klimt.shape.ULine;
import net.sourceforge.plantuml.klimt.shape.UPolygon;
import net.sourceforge.plantuml.skin.ArrowConfiguration;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleBuilder;
import net.sourceforge.plantuml.style.StyleSignatureBasic;
import net.sourceforge.plantuml.utils.Direction;
public class TimeConstraint {
private final TimeTick tick1;
private final TimeTick tick2;
private final Display label;
private final ISkinParam skinParam;
private final StyleBuilder styleBuilder;
private final ArrowConfiguration config;
private final double marginx;
public TimeConstraint(double marginx, TimeTick tick1, TimeTick tick2, String label, ISkinParam skinParam,
ArrowConfiguration config) {
this.marginx = marginx;
this.tick1 = Objects.requireNonNull(tick1);
this.tick2 = Objects.requireNonNull(tick2);
this.label = Display.getWithNewlines(label);
this.skinParam = skinParam;
this.styleBuilder = skinParam.getCurrentStyleBuilder();
this.config = config;
}
public final boolean containsStrict(TimeTick other) {
return tick1.compareTo(other) < 0 && tick2.compareTo(other) > 0;
}
public final TimeTick getTick1() {
return tick1;
}
public final TimeTick getTick2() {
return tick2;
}
public final Display getLabel() {
return label;
}
private TextBlock getTextBlock(Display display) {
return display.create(getFontConfiguration(), HorizontalAlignment.LEFT, skinParam);
}
private FontConfiguration getFontConfiguration() {
return getStyle().getFontConfiguration(skinParam.getIHtmlColorSet());
}
public void drawU(UGraphic ug, TimingRuler ruler) {
final HColor arrowColor = getArrowColor();
ug = ug.apply(arrowColor).apply(arrowColor.bg());
final double x1 = ruler.getPosInPixel(tick1) + marginx;
final double x2 = ruler.getPosInPixel(tick2) - marginx;
ug = ug.apply(UTranslate.dx(x1));
final double len = x2 - x1;
ug.apply(getUStroke()).draw(ULine.hline(len));
if (len > 10) {
ug.draw(getPolygon(Direction.LEFT, new XPoint2D(0, 0)));
ug.draw(getPolygon(Direction.RIGHT, new XPoint2D(len, 0)));
} else {
ug.draw(getPolygon(Direction.RIGHT, new XPoint2D(0, 0)));
ug.draw(getPolygon(Direction.LEFT, new XPoint2D(len, 0)));
}
final TextBlock text = getTextBlock(label);
final XDimension2D dimText = text.calculateDimension(ug.getStringBounder());
final double x = (len - dimText.getWidth()) / 2;
text.drawU(ug.apply(new UTranslate(x, -getConstraintHeight(ug.getStringBounder()))));
}
private HColor getArrowColor() {
final HColor configColor = config.getColor();
if (configColor != null)
return configColor;
return getStyle().value(PName.LineColor).asColor(skinParam.getIHtmlColorSet());
}
private Style getStyle() {
return getStyleSignature().getMergedStyle(styleBuilder);
}
private UStroke getUStroke() {
return getStyle().getStroke();
}
private StyleSignatureBasic getStyleSignature() {
return StyleSignatureBasic.of(SName.root, SName.element, SName.timingDiagram, SName.constraintArrow);
}
public double getConstraintHeight(StringBounder stringBounder) {
final TextBlock text = getTextBlock(label);
final XDimension2D dimText = text.calculateDimension(stringBounder);
return dimText.getHeight() + getTopMargin();
}
public static double getTopMargin() {
return 5;
}
private UPolygon getPolygon(Direction dir, XPoint2D end) {
final double dx = 8;
final double dy = 4;
final XPoint2D pt1;
final XPoint2D pt2;
if (dir == Direction.RIGHT) {
pt1 = end.move(-dx, dy);
pt2 = end.move(-dx, -dy);
} else {
pt1 = end.move(dx, dy);
pt2 = end.move(dx, -dy);
}
final UPolygon polygon = new UPolygon();
polygon.addPoint(pt1);
polygon.addPoint(pt2);
polygon.addPoint(end);
return polygon;
}
public static double getHeightForConstraints(StringBounder stringBounder, List constraints) {
if (constraints.size() == 0)
return 0;
double result = 0;
for (TimeConstraint constraint : constraints)
result = Math.max(result, constraint.getConstraintHeight(stringBounder));
return result;
}
}