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/* ========================================================================
* 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.ugraphic;
import java.awt.geom.Dimension2D;
import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.posimo.DotPath;
public class LimitFinder implements UGraphic {
public boolean matchesProperty(String propertyName) {
return false;
}
public double dpiFactor() {
return 1;
}
public UGraphic apply(UChange change) {
if (change instanceof UTranslate) {
return new LimitFinder(stringBounder, minmax, translate.compose((UTranslate) change), clip);
} else if (change instanceof UStroke) {
return new LimitFinder(this);
} else if (change instanceof UChangeBackColor) {
return new LimitFinder(this);
} else if (change instanceof UChangeColor) {
return new LimitFinder(this);
} else if (change instanceof UHidden) {
return new LimitFinder(this);
} else if (change instanceof UAntiAliasing) {
return new LimitFinder(this);
} else if (change instanceof UScale) {
return new LimitFinder(this);
} else if (change instanceof UClip) {
final LimitFinder copy = new LimitFinder(this);
copy.clip = (UClip) change;
copy.clip = copy.clip.translate(translate);
return copy;
}
throw new UnsupportedOperationException(change.getClass().toString());
}
private final StringBounder stringBounder;
private final UTranslate translate;
private final MinMaxMutable minmax;
private UClip clip;
public LimitFinder(StringBounder stringBounder, boolean initToZero) {
this(stringBounder, MinMaxMutable.getEmpty(initToZero), new UTranslate(), null);
}
private LimitFinder(StringBounder stringBounder, MinMaxMutable minmax, UTranslate translate, UClip clip) {
this.stringBounder = stringBounder;
this.minmax = minmax;
this.translate = translate;
this.clip = clip;
}
private LimitFinder(LimitFinder other) {
this(other.stringBounder, other.minmax, other.translate, other.clip);
}
public StringBounder getStringBounder() {
return stringBounder;
}
public UParam getParam() {
return new UParamNull();
}
private void addPoint(double x, double y) {
if (clip == null || clip.isInside(x, y)) {
minmax.addPoint(x, y);
}
}
public void draw(UShape shape) {
final double x = translate.getDx();
final double y = translate.getDy();
if (shape instanceof UText) {
drawText(x, y, (UText) shape);
} else if (shape instanceof ULine) {
drawULine(x, y, (ULine) shape);
} else if (shape instanceof UEllipse) {
drawEllipse(x, y, (UEllipse) shape);
} else if (shape instanceof UPolygon) {
drawUPolygon(x, y, (UPolygon) shape);
} else if (shape instanceof UPath) {
drawUPath(x, y, (UPath) shape);
} else if (shape instanceof URectangle) {
drawRectangle(x, y, (URectangle) shape);
} else if (shape instanceof DotPath) {
drawDotPath(x, y, (DotPath) shape);
} else if (shape instanceof UImage) {
drawImage(x, y, (UImage) shape);
} else if (shape instanceof UImageSvg) {
drawImageSvg(x, y, (UImageSvg) shape);
} else if (shape instanceof UComment) {
} else if (shape instanceof UEmpty) {
drawEmpty(x, y, (UEmpty) shape);
} else if (shape instanceof TextBlock) {
final TextBlock tb = (TextBlock) shape;
tb.drawU(this);
} else if (shape instanceof UCenteredCharacter) {
// To be done
} else if (shape instanceof UPixel) {
addPoint(x, y);
} else {
throw new UnsupportedOperationException(shape.getClass().getName());
}
}
private void drawEmpty(double x, double y, UEmpty shape) {
addPoint(x, y);
addPoint(x + shape.getWidth(), y + shape.getHeight());
}
private void drawUPath(double x, double y, UPath shape) {
addPoint(x + shape.getMinX(), y + shape.getMinY());
addPoint(x + shape.getMaxX(), y + shape.getMaxY());
}
private final static double HACK_X_FOR_POLYGON = 10;
private void drawUPolygon(double x, double y, UPolygon shape) {
if (shape.getPoints().size() == 0) {
return;
}
addPoint(x + shape.getMinX() - HACK_X_FOR_POLYGON, y + shape.getMinY());
addPoint(x + shape.getMaxX() + HACK_X_FOR_POLYGON, y + shape.getMaxY());
}
private void drawULine(double x, double y, ULine shape) {
addPoint(x, y);
addPoint(x + shape.getDX(), y + shape.getDY());
}
private void drawRectangle(double x, double y, URectangle shape) {
addPoint(x, y);
addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
}
private void drawDotPath(double x, double y, DotPath shape) {
final MinMax shapeMinMax = shape.getMinMax();
addPoint(x + shapeMinMax.getMinX(), y + shapeMinMax.getMinY());
addPoint(x + shapeMinMax.getMaxX(), y + shapeMinMax.getMaxY());
}
private void drawImage(double x, double y, UImage shape) {
addPoint(x, y);
addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
}
private void drawImageSvg(double x, double y, UImageSvg shape) {
addPoint(x, y);
addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
}
private void drawEllipse(double x, double y, UEllipse shape) {
addPoint(x, y);
addPoint(x + shape.getWidth() - 1, y + shape.getHeight() - 1);
}
private void drawText(double x, double y, UText text) {
final Dimension2D dim = stringBounder.calculateDimension(text.getFontConfiguration().getFont(), text.getText());
y -= dim.getHeight() - 1.5;
addPoint(x, y);
addPoint(x, y + dim.getHeight());
addPoint(x + dim.getWidth(), y);
addPoint(x + dim.getWidth(), y + dim.getHeight());
}
public ColorMapper getColorMapper() {
return new ColorMapperIdentity();
}
public void startUrl(Url url) {
}
public void closeAction() {
}
public double getMaxX() {
return minmax.getMaxX();
}
public double getMaxY() {
return minmax.getMaxY();
}
public double getMinX() {
return minmax.getMinX();
}
public double getMinY() {
return minmax.getMinY();
}
public MinMax getMinMax() {
if (minmax.isInfinity()) {
return MinMax.getEmpty(true);
}
return MinMax.fromMutable(minmax);
}
public void flushUg() {
}
}
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