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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:
*
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*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License V2.
*
* THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
* LICENSE ("AGREEMENT"). [GNU General Public License V2]
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* ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
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* You may obtain a copy of the License at
*
* https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* 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
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* 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 GPL v2 license.
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* The generated images can then be used without any reference to the GPL v2 license.
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* although this will be appreciated by the PlantUML team.
*
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* by any license, then the generated images are logically covered
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*
* 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.braille;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import net.sourceforge.plantuml.klimt.geom.XCubicCurve2D;
import net.sourceforge.plantuml.klimt.geom.XPoint2D;
import net.sourceforge.plantuml.klimt.shape.DotPath;
public class BrailleGrid {
private int minX;
private int minY;
private int maxX;
private int maxY;
private final double quanta;
private final Set on = new HashSet<>();
public BrailleGrid(double quanta) {
this.quanta = quanta;
}
public boolean getState(int x, int y) {
final Coords coords = new Coords(x, y);
return on.contains(coords);
}
private void setStateDouble(double x, double y, boolean state) {
setState(toInt(x), toInt(y), state);
}
public void setState(int x, int y, boolean state) {
final Coords coords = new Coords(x, y);
if (state) {
on.add(coords);
} else {
on.remove(coords);
}
minX = Math.min(minX, x);
maxX = Math.max(maxX, x);
minY = Math.min(minY, y);
maxY = Math.max(maxY, y);
}
public int getMinX() {
return minX;
}
public int getMinY() {
return minY;
}
public int getMaxX() {
return maxX;
}
public int getMaxY() {
return maxY;
}
public void rectangle(double x, double y, double width, double height) {
hline(y, x, x + width);
hline(y + height, x, x + width);
vline(x, y, y + height);
vline(x + width, y, y + height);
}
private void vline(double x, double y1, double y2) {
final int i = toInt(x);
final int j1 = toInt(y1);
final int j2 = toInt(y2);
for (int j = j1; j <= j2; j++) {
setState(i, j, true);
}
}
private void hline(double y, double x1, double x2) {
final int j = toInt(y);
final int i1 = toInt(x1);
final int i2 = toInt(x2);
for (int i = i1; i <= i2; i++) {
setState(i, j, true);
}
}
public int toInt(double value) {
return (int) Math.round(value / quanta);
}
public void line(double x1, double y1, double x2, double y2) {
if (x1 == x2) {
vline(x1, y1, y2);
} else if (y1 == y2) {
hline(y1, x1, x2);
} else {
System.err.println("warning line");
}
}
public double getQuanta() {
return quanta;
}
public void drawDotPath(double x, double y, DotPath shape) {
for (XCubicCurve2D bez : shape.getBeziers()) {
drawCubic(x, y, bez);
}
}
private void drawCubic(double x, double y, XCubicCurve2D bez) {
drawPointInternal(x, y, bez.getP1());
drawPointInternal(x, y, bez.getP2());
if (bez.getP1().distance(bez.getP2()) > quanta) {
final XCubicCurve2D part1 = XCubicCurve2D.none();
final XCubicCurve2D part2 = XCubicCurve2D.none();
bez.subdivide(part1, part2);
drawCubic(x, y, part1);
drawCubic(x, y, part2);
}
}
private void drawPointInternal(double x, double y, XPoint2D pt) {
setStateDouble(x + pt.getX(), y + pt.getY(), true);
}
public void drawPolygon(List points) {
for (int i = 0; i < points.size() - 1; i++) {
drawLineInternal(points.get(i), points.get(i + 1));
}
drawLineInternal(points.get(points.size() - 1), points.get(0));
}
private void drawLineInternal(XPoint2D a, XPoint2D b) {
drawPointInternal(0, 0, a);
drawPointInternal(0, 0, b);
if (a.distance(b) > quanta) {
final XPoint2D middle = new XPoint2D((a.getX() + b.getX()) / 2, (a.getY() + b.getY()) / 2);
drawLineInternal(a, middle);
drawLineInternal(middle, b);
}
}
}