plantuml/src/net/sourceforge/plantuml/skin/rose/ComponentRoseArrow.java

331 lines
12 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.skin.rose;
import java.awt.geom.Dimension2D;
import java.awt.geom.Point2D;
import net.sourceforge.plantuml.ISkinSimple;
import net.sourceforge.plantuml.LineBreakStrategy;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.skin.Area;
import net.sourceforge.plantuml.skin.ArrowConfiguration;
import net.sourceforge.plantuml.skin.ArrowDecoration;
import net.sourceforge.plantuml.skin.ArrowDirection;
import net.sourceforge.plantuml.skin.ArrowDressing;
import net.sourceforge.plantuml.skin.ArrowHead;
import net.sourceforge.plantuml.skin.ArrowPart;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.ugraphic.UEllipse;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.UPolygon;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.ugraphic.color.HColor;
public class ComponentRoseArrow extends AbstractComponentRoseArrow {
private final HorizontalAlignment messagePosition;
private final boolean niceArrow;
private final boolean belowForResponse;
public ComponentRoseArrow(Style style, HColor foregroundColor, FontConfiguration font, Display stringsToDisplay,
ArrowConfiguration arrowConfiguration, HorizontalAlignment messagePosition, ISkinSimple spriteContainer,
HorizontalAlignment textHorizontalAlignment, LineBreakStrategy maxMessageSize, boolean niceArrow,
boolean belowForResponse) {
super(style, foregroundColor, font, stringsToDisplay, arrowConfiguration, spriteContainer,
textHorizontalAlignment, maxMessageSize);
// Done in Rose::createComponentArrow
// if (UseStyle.USE_STYLES()) {
// messagePosition = style.getHorizontalAlignment();
// }
this.messagePosition = messagePosition;
this.niceArrow = niceArrow;
this.belowForResponse = belowForResponse;
}
public static final double spaceCrossX = 6;
public static final double diamCircle = 8;
public static final double thinCircle = 1.5;
@Override
public void drawInternalU(UGraphic ug, Area area) {
if (getArrowConfiguration().isHidden()) {
return;
}
final Dimension2D dimensionToUse = area.getDimensionToUse();
final StringBounder stringBounder = ug.getStringBounder();
ug = ug.apply(getForegroundColor());
final ArrowDressing dressing1 = getArrowConfiguration().getDressing1();
final ArrowDressing dressing2 = getArrowConfiguration().getDressing2();
double start = 0;
double len = dimensionToUse.getWidth() - 1;
final double pos1 = start + 1;
final double pos2 = len - 1;
if (getArrowConfiguration().getDecoration2() == ArrowDecoration.CIRCLE
&& dressing2.getHead() == ArrowHead.NONE) {
len -= diamCircle / 2;
}
if (getArrowConfiguration().getDecoration2() == ArrowDecoration.CIRCLE
&& dressing2.getHead() != ArrowHead.NONE) {
len -= diamCircle / 2 + thinCircle;
}
if (getArrowConfiguration().getDecoration1() == ArrowDecoration.CIRCLE
&& dressing1.getHead() == ArrowHead.NONE) {
start += diamCircle / 2;
len -= diamCircle / 2;
}
if (getArrowConfiguration().getDecoration1() == ArrowDecoration.CIRCLE
&& dressing1.getHead() == ArrowHead.NORMAL) {
start += diamCircle + thinCircle;
len -= diamCircle + thinCircle;
}
if (dressing2.getPart() == ArrowPart.FULL && dressing2.getHead() == ArrowHead.NORMAL) {
len -= getArrowDeltaX() / 2;
}
if (dressing1.getPart() == ArrowPart.FULL && dressing1.getHead() == ArrowHead.NORMAL) {
start += getArrowDeltaX() / 2;
len -= getArrowDeltaX() / 2;
}
if (dressing2.getHead() == ArrowHead.CROSSX) {
len -= 2 * spaceCrossX;
}
if (dressing1.getHead() == ArrowHead.CROSSX) {
start += 2 * spaceCrossX;
len -= 2 * spaceCrossX;
}
final double posArrow;
final double yText;
if (isBelowForResponse()) {
posArrow = 0;
yText = getMarginY();
} else {
posArrow = getTextHeight(stringBounder);
yText = 0;
}
drawDressing1(ug.apply(UTranslate.dy(posArrow)), pos1, dressing1, getArrowConfiguration().getDecoration1());
drawDressing2(ug.apply(UTranslate.dy(posArrow)), pos2, dressing2, getArrowConfiguration().getDecoration2());
getArrowConfiguration().applyStroke(ug).apply(new UTranslate(start, posArrow)).draw(ULine.hline(len));
final ArrowDirection direction2 = getDirection2();
final double textPos;
if (messagePosition == HorizontalAlignment.CENTER) {
final double textWidth = getTextBlock().calculateDimension(stringBounder).getWidth();
textPos = (dimensionToUse.getWidth() - textWidth) / 2;
} else if (messagePosition == HorizontalAlignment.RIGHT) {
final double textWidth = getTextBlock().calculateDimension(stringBounder).getWidth();
textPos = dimensionToUse.getWidth() - textWidth - getMarginX2()
- (direction2 == ArrowDirection.LEFT_TO_RIGHT_NORMAL ? getArrowDeltaX() : 0);
} else {
textPos = getMarginX1()
+ (direction2 == ArrowDirection.RIGHT_TO_LEFT_REVERSE || direction2 == ArrowDirection.BOTH_DIRECTION
? getArrowDeltaX()
: 0);
}
getTextBlock().drawU(ug.apply(new UTranslate(textPos, yText)));
}
public double getPosArrow(StringBounder stringBounder) {
if (isBelowForResponse()) {
return 0;
}
return getTextHeight(stringBounder) - 2 * getMarginY();
}
private boolean isBelowForResponse() {
return belowForResponse && getDirection2() == ArrowDirection.RIGHT_TO_LEFT_REVERSE;
}
private void drawDressing1(UGraphic ug, double x, ArrowDressing dressing, ArrowDecoration decoration) {
if (decoration == ArrowDecoration.CIRCLE) {
final UEllipse circle = new UEllipse(diamCircle, diamCircle);
ug.apply(new UStroke(thinCircle)).apply(getForegroundColor())
.apply(new UTranslate(x - diamCircle / 2 - thinCircle, -diamCircle / 2 - thinCircle / 2))
.draw(circle);
x += diamCircle / 2 + thinCircle;
}
if (dressing.getHead() == ArrowHead.ASYNC) {
if (dressing.getPart() != ArrowPart.BOTTOM_PART) {
getArrowConfiguration().applyThicknessOnly(ug).apply(UTranslate.dx(x - 1))
.draw(new ULine(getArrowDeltaX(), -getArrowDeltaY()));
}
if (dressing.getPart() != ArrowPart.TOP_PART) {
getArrowConfiguration().applyThicknessOnly(ug).apply(UTranslate.dx(x - 1))
.draw(new ULine(getArrowDeltaX(), getArrowDeltaY()));
}
} else if (dressing.getHead() == ArrowHead.CROSSX) {
ug = ug.apply(new UStroke(2));
ug.apply(new UTranslate(spaceCrossX, -getArrowDeltaX() / 2))
.draw(new ULine(getArrowDeltaX(), getArrowDeltaX()));
ug.apply(new UTranslate(spaceCrossX, getArrowDeltaX() / 2))
.draw(new ULine(getArrowDeltaX(), -getArrowDeltaX()));
} else if (dressing.getHead() == ArrowHead.NORMAL) {
final UPolygon polygon = getPolygonReverse(dressing.getPart());
ug.apply(getForegroundColor().bg()).apply(UTranslate.dx(x)).draw(polygon);
}
}
private void drawDressing2(UGraphic ug, double x, ArrowDressing dressing, ArrowDecoration decoration) {
if (decoration == ArrowDecoration.CIRCLE) {
ug = ug.apply(new UStroke(thinCircle)).apply(getForegroundColor());
final UEllipse circle = new UEllipse(diamCircle, diamCircle);
ug.apply(new UTranslate(x - diamCircle / 2 + thinCircle, -diamCircle / 2 - thinCircle / 2)).draw(circle);
ug = ug.apply(new UStroke());
x -= diamCircle / 2 + thinCircle;
}
if (dressing.getHead() == ArrowHead.ASYNC) {
if (dressing.getPart() != ArrowPart.BOTTOM_PART) {
getArrowConfiguration().applyThicknessOnly(ug).apply(UTranslate.dx(x))
.draw(new ULine(-getArrowDeltaX(), -getArrowDeltaY()));
}
if (dressing.getPart() != ArrowPart.TOP_PART) {
getArrowConfiguration().applyThicknessOnly(ug).apply(UTranslate.dx(x))
.draw(new ULine(-getArrowDeltaX(), getArrowDeltaY()));
}
} else if (dressing.getHead() == ArrowHead.CROSSX) {
ug = ug.apply(new UStroke(2));
ug.apply(new UTranslate(x - spaceCrossX - getArrowDeltaX(), -getArrowDeltaX() / 2))
.draw(new ULine(getArrowDeltaX(), getArrowDeltaX()));
ug.apply(new UTranslate(x - spaceCrossX - getArrowDeltaX(), getArrowDeltaX() / 2))
.draw(new ULine(getArrowDeltaX(), -getArrowDeltaX()));
ug = ug.apply(new UStroke());
} else if (dressing.getHead() == ArrowHead.NORMAL) {
final UPolygon polygon = getPolygonNormal(dressing.getPart(), x);
ug.apply(getForegroundColor().bg()).draw(polygon);
}
}
private UPolygon getPolygonNormal(ArrowPart part, final double x2) {
final UPolygon polygon = new UPolygon();
if (part == ArrowPart.TOP_PART) {
polygon.addPoint(x2 - getArrowDeltaX(), -getArrowDeltaY());
polygon.addPoint(x2, 0);
polygon.addPoint(x2 - getArrowDeltaX(), 0);
} else if (part == ArrowPart.BOTTOM_PART) {
polygon.addPoint(x2 - getArrowDeltaX(), 1);
polygon.addPoint(x2, 1);
polygon.addPoint(x2 - getArrowDeltaX(), getArrowDeltaY() + 1);
} else {
polygon.addPoint(x2 - getArrowDeltaX(), -getArrowDeltaY());
polygon.addPoint(x2, 0);
polygon.addPoint(x2 - getArrowDeltaX(), +getArrowDeltaY());
if (niceArrow) {
polygon.addPoint(x2 - getArrowDeltaX() + 4, 0);
}
}
return polygon;
}
private UPolygon getPolygonReverse(ArrowPart part) {
final UPolygon polygon = new UPolygon();
if (part == ArrowPart.TOP_PART) {
polygon.addPoint(getArrowDeltaX(), -getArrowDeltaY());
polygon.addPoint(0, 0);
polygon.addPoint(getArrowDeltaX(), 0);
} else if (part == ArrowPart.BOTTOM_PART) {
polygon.addPoint(getArrowDeltaX(), 1);
polygon.addPoint(0, 1);
polygon.addPoint(getArrowDeltaX(), getArrowDeltaY() + 1);
} else {
polygon.addPoint(getArrowDeltaX(), -getArrowDeltaY());
polygon.addPoint(0, 0);
polygon.addPoint(getArrowDeltaX(), getArrowDeltaY());
if (niceArrow) {
polygon.addPoint(getArrowDeltaX() - 4, 0);
}
}
return polygon;
}
public Point2D getStartPoint(StringBounder stringBounder, Dimension2D dimensionToUse) {
final double y = getYPoint(stringBounder);
if (getDirection2() == ArrowDirection.LEFT_TO_RIGHT_NORMAL) {
return new Point2D.Double(getPaddingX(), y);
}
return new Point2D.Double(dimensionToUse.getWidth() + getPaddingX(), y);
}
public Point2D getEndPoint(StringBounder stringBounder, Dimension2D dimensionToUse) {
final double y = getYPoint(stringBounder);
if (getDirection2() == ArrowDirection.LEFT_TO_RIGHT_NORMAL) {
return new Point2D.Double(dimensionToUse.getWidth() + getPaddingX(), y);
}
return new Point2D.Double(getPaddingX(), y);
}
@Override
public double getYPoint(StringBounder stringBounder) {
if (isBelowForResponse()) {
return getPaddingY();
}
return getTextHeight(stringBounder) + getPaddingY();
}
final private ArrowDirection getDirection2() {
return getArrowConfiguration().getArrowDirection();
}
@Override
public double getPreferredHeight(StringBounder stringBounder) {
return getTextHeight(stringBounder) + getArrowDeltaY() + 2 * getPaddingY();
}
@Override
public double getPreferredWidth(StringBounder stringBounder) {
return getTextWidth(stringBounder) + getArrowDeltaX();
}
}