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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
* |
* | PlantUML : a free UML diagram generator
* |
* +=======================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
*
* Project Info: https://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* https://plantuml.com/patreon (only 1$ per month!)
* https://plantuml.com/liberapay (only 1€ per month!)
* https://plantuml.com/paypal
*
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the MIT License.
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* PlantUML can occasionally display sponsored or advertising messages. Those
* messages are usually generated on welcome or error images and never on
* functional diagrams.
* See https://plantuml.com/professional if you want to remove them
*
* Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
* are owned by the author of their corresponding sources code (that is, their
* textual description in PlantUML language). Those images are not covered by
* this MIT license.
*
* The generated images can then be used without any reference to the MIT license.
* It is not even necessary to stipulate that they have been generated with PlantUML,
* although this will be appreciated by the PlantUML team.
*
* There is an exception : if the textual description in PlantUML language is also covered
* by any license, then the generated images are logically covered
* by the very same license.
*
* This is the IGY distribution (Install GraphViz by Yourself).
* You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
* (see https://plantuml.com/graphviz-dot )
*
* Icons provided by OpenIconic : https://useiconic.com/open
* Archimate sprites provided by Archi : http://www.archimatetool.com
* Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
* Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
* ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
* ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
* CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
* Brotli (c) by the Brotli Authors https://github.com/google/brotli
* Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
* Twemoji (c) by Twitter at https://twemoji.twitter.com/
*
*/
package net.sourceforge.plantuml.sequencediagram.teoz;
import java.util.Map.Entry;
import java.util.SortedMap;
import java.util.TreeMap;
import net.sourceforge.plantuml.klimt.UPath;
import net.sourceforge.plantuml.klimt.UShape;
import net.sourceforge.plantuml.klimt.UTranslate;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColors;
import net.sourceforge.plantuml.klimt.drawing.UGraphic;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.UDrawable;
import net.sourceforge.plantuml.klimt.shape.URectangle;
public class Blotter implements UDrawable {
private final XDimension2D dim;
private final HColor defaultBackcolor;
private final double round;
private HColor last;
private final SortedMap changes = new TreeMap<>();
public Blotter(XDimension2D dim, HColor defaultBackcolor, double round) {
if (defaultBackcolor == null)
defaultBackcolor = HColors.transparent();
this.round = round;
this.dim = dim;
this.defaultBackcolor = defaultBackcolor;
this.last = defaultBackcolor;
}
@Override
public String toString() {
return "" + dim + " " + defaultBackcolor;
}
@Override
public void drawU(UGraphic ug) {
HColor current = defaultBackcolor;
double y = 0;
int i = 0;
for (Entry ent : changes.entrySet()) {
if (current.isTransparent() == false) {
final UShape rect = getRectangleBackground(i, ent.getKey() - y);
ug.apply(current).apply(current.bg()).apply(UTranslate.dy(y)).draw(rect);
}
y = ent.getKey();
current = ent.getValue();
i++;
}
}
private UShape getRectangleBackground(int i, double height) {
final double width = dim.getWidth();
if (round == 0)
return URectangle.build(width, height);
if (changes.size() == 1)
return URectangle.build(width, height).rounded(round);
if (i == 0) {
final UPath result = UPath.none();
result.moveTo(round / 2, 0);
result.lineTo(width - round / 2, 0);
result.arcTo(round / 2, round / 2, 0, 0, 1, width, round / 2);
result.lineTo(width, height);
result.lineTo(0, height);
result.lineTo(0, round / 2);
result.arcTo(round / 2, round / 2, 0, 0, 1, round / 2, 0);
result.closePath();
return result;
}
if (i == changes.size() - 1) {
final UPath result = UPath.none();
result.moveTo(0, 0);
result.lineTo(width, 0);
result.lineTo(width, height - round / 2);
result.arcTo(round / 2, round / 2, 0, 0, 1, width - round / 2, height);
result.lineTo(round / 2, height);
result.arcTo(round / 2, round / 2, 0, 0, 1, 0, height - round / 2);
result.lineTo(0, 0);
result.closePath();
return result;
}
return URectangle.build(width, height);
}
public void closeChanges() {
changes.put(dim.getHeight(), defaultBackcolor);
}
public void addChange(double ypos, HColor color) {
if (color == null)
color = HColors.transparent();
if (color.equals(last))
return;
changes.put(ypos, color);
last = color;
}
}