plantuml/src/net/sourceforge/plantuml/ugraphic/g2d/UGraphicG2d.java

231 lines
7.2 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, 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.g2d;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import net.sourceforge.plantuml.EnsureVisible;
import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.TikzFontDistortion;
import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.anim.AffineTransformation;
import net.sourceforge.plantuml.graphic.StringBounder;
import net.sourceforge.plantuml.graphic.TextBlockUtils;
import net.sourceforge.plantuml.png.PngIO;
import net.sourceforge.plantuml.posimo.DotPath;
import net.sourceforge.plantuml.ugraphic.AbstractCommonUGraphic;
import net.sourceforge.plantuml.ugraphic.AbstractUGraphic;
import net.sourceforge.plantuml.ugraphic.ColorMapper;
import net.sourceforge.plantuml.ugraphic.UAntiAliasing;
import net.sourceforge.plantuml.ugraphic.UCenteredCharacter;
import net.sourceforge.plantuml.ugraphic.UChange;
import net.sourceforge.plantuml.ugraphic.UClip;
import net.sourceforge.plantuml.ugraphic.UEllipse;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.UGraphic2;
import net.sourceforge.plantuml.ugraphic.UImage;
import net.sourceforge.plantuml.ugraphic.UImageSvg;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.UPath;
import net.sourceforge.plantuml.ugraphic.UPixel;
import net.sourceforge.plantuml.ugraphic.UPolygon;
import net.sourceforge.plantuml.ugraphic.URectangle;
import net.sourceforge.plantuml.ugraphic.UText;
public class UGraphicG2d extends AbstractUGraphic<Graphics2D> implements EnsureVisible, UGraphic2 {
private BufferedImage bufferedImage;
private final double dpiFactor;
private UAntiAliasing antiAliasing = UAntiAliasing.ANTI_ALIASING_ON;
private/* final */List<Url> urls = new ArrayList<Url>();
private Set<Url> allUrls = new HashSet<Url>();
private final boolean hasAffineTransform;
public final Set<Url> getAllUrlsEncountered() {
return Collections.unmodifiableSet(allUrls);
}
@Override
public UGraphic apply(UChange change) {
final UGraphicG2d copy = (UGraphicG2d) super.apply(change);
if (change instanceof UAntiAliasing) {
copy.antiAliasing = (UAntiAliasing) change;
}
return copy;
}
@Override
protected AbstractCommonUGraphic copyUGraphic() {
return new UGraphicG2d(this);
}
private UGraphicG2d(UGraphicG2d other) {
super(other);
this.hasAffineTransform = other.hasAffineTransform;
this.dpiFactor = other.dpiFactor;
this.bufferedImage = other.bufferedImage;
this.urls = other.urls;
this.allUrls = other.allUrls;
this.antiAliasing = other.antiAliasing;
register(dpiFactor);
}
public UGraphicG2d(ColorMapper colorMapper, Graphics2D g2d, double dpiFactor) {
this(colorMapper, g2d, dpiFactor, null, 0, 0);
}
public UGraphicG2d(ColorMapper colorMapper, Graphics2D g2d, double dpiFactor, AffineTransformation affineTransform,
double dx, double dy) {
super(colorMapper, g2d);
this.hasAffineTransform = affineTransform != null;
this.dpiFactor = dpiFactor;
if (dpiFactor != 1.0) {
g2d.scale(dpiFactor, dpiFactor);
}
if (this.hasAffineTransform) {
if (dx != 0 || dy != 0) {
getGraphicObject().transform(AffineTransform.getTranslateInstance(dx, dy));
}
getGraphicObject().transform(affineTransform.getAffineTransform());
}
register(dpiFactor);
}
private void register(double dpiFactor) {
registerDriver(URectangle.class, new DriverRectangleG2d(dpiFactor, this));
if (this.hasAffineTransform || dpiFactor != 1.0) {
registerDriver(UText.class, new DriverTextAsPathG2d(this, TextBlockUtils.getFontRenderContext()));
} else {
registerDriver(UText.class, new DriverTextG2d(this));
}
registerDriver(ULine.class, new DriverLineG2d(dpiFactor));
registerDriver(UPixel.class, new DriverPixelG2d());
registerDriver(UPolygon.class, new DriverPolygonG2d(dpiFactor, this));
registerDriver(UEllipse.class, new DriverEllipseG2d(dpiFactor, this));
registerDriver(UImageSvg.class, new DriverImageG2d(dpiFactor, this));
registerDriver(UImage.class, new DriverImageG2d(dpiFactor, this));
registerDriver(DotPath.class, new DriverDotPathG2d(this));
registerDriver(UPath.class, new DriverPathG2d(dpiFactor));
registerDriver(UCenteredCharacter.class, new DriverCenteredCharacterG2d());
}
public StringBounder getStringBounder() {
// if (hasAffineTransform) {
// return TextBlockUtils.getDummyStringBounder();
// }
return FileFormat.PNG.getDefaultStringBounder(TikzFontDistortion.getDefault());
}
@Override
protected void beforeDraw() {
super.beforeDraw();
applyClip();
antiAliasing.apply(getGraphicObject());
}
private void applyClip() {
final UClip uclip = getClip();
if (uclip == null) {
getGraphicObject().setClip(null);
} else {
final Shape clip = new Rectangle2D.Double(uclip.getX(), uclip.getY(), uclip.getWidth(), uclip.getHeight());
getGraphicObject().setClip(clip);
}
}
protected final double getDpiFactor() {
return dpiFactor;
}
public void startUrl(Url url) {
if (url == null) {
throw new IllegalArgumentException();
}
urls.add(url);
allUrls.add(url);
}
public void closeAction() {
urls.remove(urls.size() - 1);
}
public void ensureVisible(double x, double y) {
for (Url u : urls) {
if (getClip() == null || getClip().isInside(x, y)) {
u.ensureVisible(x, y);
}
}
}
public BufferedImage getBufferedImage() {
return bufferedImage;
}
public void setBufferedImage(BufferedImage bufferedImage) {
this.bufferedImage = bufferedImage;
}
public Graphics2D getGraphics2D() {
return getGraphicObject();
}
public void writeImageTOBEMOVED(OutputStream os, String metadata, int dpi) throws IOException {
final BufferedImage im = getBufferedImage();
PngIO.write(im, os, metadata, dpi);
}
@Override
public double dpiFactor() {
return dpiFactor;
}
}