mirror of
https://github.com/octoleo/plantuml.git
synced 2024-06-09 11:42:43 +00:00
193 lines
6.7 KiB
Java
193 lines
6.7 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.ugraphic.g2d;
|
|
|
|
import java.awt.Color;
|
|
import java.awt.Graphics2D;
|
|
import java.awt.Shape;
|
|
import java.awt.geom.AffineTransform;
|
|
import java.awt.geom.Area;
|
|
import java.awt.geom.Line2D;
|
|
import java.awt.geom.Rectangle2D;
|
|
import java.awt.image.BufferedImage;
|
|
import java.awt.image.ConvolveOp;
|
|
import java.awt.image.Kernel;
|
|
|
|
import net.sourceforge.plantuml.Log;
|
|
|
|
public class DriverShadowedG2d {
|
|
|
|
private ConvolveOp getConvolveOp(int blurRadius, double dpiFactor) {
|
|
blurRadius = (int) (blurRadius * dpiFactor);
|
|
final int blurRadius2 = blurRadius * blurRadius;
|
|
final float blurRadius2F = blurRadius2;
|
|
// final float weight = (float) (1.0 / blurRadius2F / dpiFactor);
|
|
final float weight = (float) (1.0 / blurRadius2F);
|
|
final float[] elements = new float[blurRadius2];
|
|
for (int k = 0; k < blurRadius2; k++) {
|
|
elements[k] = weight;
|
|
}
|
|
final Kernel myKernel = new Kernel(blurRadius, blurRadius, elements);
|
|
|
|
// if EDGE_NO_OP is not selected, EDGE_ZERO_FILL is the default which
|
|
// creates a black border
|
|
return new ConvolveOp(myKernel, ConvolveOp.EDGE_NO_OP, null);
|
|
}
|
|
|
|
private final Color color = new Color(170, 170, 170);
|
|
private final Color colorLine = new Color(30, 30, 30);
|
|
|
|
protected void drawShadow(Graphics2D g2d, Shape shape, double deltaShadow, double dpiFactor) {
|
|
if (dpiFactor < 1) {
|
|
dpiFactor = 1;
|
|
}
|
|
final Rectangle2D bounds = shape.getBounds2D();
|
|
final double ww = bounds.getMaxX() - bounds.getMinX();
|
|
final double hh = bounds.getMaxY() - bounds.getMinY();
|
|
|
|
final double w = (ww + deltaShadow * 2 + 6) * dpiFactor;
|
|
final double h = (hh + deltaShadow * 2 + 6) * dpiFactor;
|
|
BufferedImage destination = null;
|
|
try {
|
|
destination = new BufferedImage((int) w, (int) h, BufferedImage.TYPE_INT_ARGB);
|
|
final Graphics2D gg = destination.createGraphics();
|
|
gg.scale(dpiFactor, dpiFactor);
|
|
gg.translate(deltaShadow - bounds.getMinX(), deltaShadow - bounds.getMinY());
|
|
final boolean isLine = shape instanceof Line2D.Double;
|
|
if (isLine) {
|
|
gg.setColor(colorLine);
|
|
gg.draw(shape);
|
|
} else {
|
|
gg.setColor(color);
|
|
gg.fill(shape);
|
|
}
|
|
gg.dispose();
|
|
|
|
final ConvolveOp simpleBlur = getConvolveOp(6, dpiFactor);
|
|
destination = simpleBlur.filter(destination, null);
|
|
} catch (OutOfMemoryError error) {
|
|
Log.info("Warning: Cannot draw shadow, image too big.");
|
|
} catch (Exception e) {
|
|
Log.info("Warning: Cannot draw shadow: " + e);
|
|
}
|
|
if (destination != null) {
|
|
final AffineTransform at = g2d.getTransform();
|
|
g2d.scale(1 / dpiFactor, 1 / dpiFactor);
|
|
g2d.drawImage(destination, (int) (bounds.getMinX() * dpiFactor), (int) (bounds.getMinY() * dpiFactor),
|
|
null);
|
|
g2d.setTransform(at);
|
|
}
|
|
}
|
|
|
|
protected void drawOnlyLineShadow(Graphics2D g2d, Shape shape, double deltaShadow, double dpiFactor) {
|
|
if (dpiFactor < 1) {
|
|
dpiFactor = 1;
|
|
}
|
|
final Rectangle2D bounds = shape.getBounds2D();
|
|
final double ww = bounds.getMaxX() - bounds.getMinX();
|
|
final double hh = bounds.getMaxY() - bounds.getMinY();
|
|
|
|
final double w = (ww + deltaShadow * 2 + 6) * dpiFactor;
|
|
final double h = (hh + deltaShadow * 2 + 6) * dpiFactor;
|
|
BufferedImage destination = null;
|
|
try {
|
|
destination = new BufferedImage((int) w, (int) h, BufferedImage.TYPE_INT_ARGB);
|
|
final Graphics2D gg = destination.createGraphics();
|
|
gg.scale(dpiFactor, dpiFactor);
|
|
gg.translate(deltaShadow - bounds.getMinX(), deltaShadow - bounds.getMinY());
|
|
gg.draw(shape);
|
|
gg.dispose();
|
|
|
|
final ConvolveOp simpleBlur = getConvolveOp(6, dpiFactor);
|
|
destination = simpleBlur.filter(destination, null);
|
|
} catch (OutOfMemoryError error) {
|
|
Log.info("Warning: Cannot draw shadow, image too big.");
|
|
} catch (Exception e) {
|
|
Log.info("Warning: Cannot draw shadow: " + e);
|
|
}
|
|
if (destination != null) {
|
|
final AffineTransform at = g2d.getTransform();
|
|
g2d.scale(1 / dpiFactor, 1 / dpiFactor);
|
|
g2d.drawImage(destination, (int) (bounds.getMinX() * dpiFactor), (int) (bounds.getMinY() * dpiFactor),
|
|
null);
|
|
g2d.setTransform(at);
|
|
}
|
|
}
|
|
|
|
protected void drawOnlyLineShadowSpecial(Graphics2D g2d, Shape shape, double deltaShadow, double dpiFactor) {
|
|
if (dpiFactor < 1) {
|
|
dpiFactor = 1;
|
|
}
|
|
final Rectangle2D bounds = shape.getBounds2D();
|
|
final double ww = bounds.getMaxX() - bounds.getMinX();
|
|
final double hh = bounds.getMaxY() - bounds.getMinY();
|
|
|
|
final double w = (ww + deltaShadow * 2 + 6) * dpiFactor;
|
|
final double h = (hh + deltaShadow * 2 + 6) * dpiFactor;
|
|
BufferedImage destination = null;
|
|
try {
|
|
destination = new BufferedImage((int) w, (int) h, BufferedImage.TYPE_INT_ARGB);
|
|
final Graphics2D gg = destination.createGraphics();
|
|
gg.scale(dpiFactor, dpiFactor);
|
|
gg.translate(deltaShadow - bounds.getMinX(), deltaShadow - bounds.getMinY());
|
|
gg.draw(shape);
|
|
gg.dispose();
|
|
|
|
final ConvolveOp simpleBlur = getConvolveOp(6, dpiFactor);
|
|
destination = simpleBlur.filter(destination, null);
|
|
} catch (OutOfMemoryError error) {
|
|
Log.info("Warning: Cannot draw shadow, image too big.");
|
|
} catch (Exception e) {
|
|
Log.info("Warning: Cannot draw shadow: " + e);
|
|
}
|
|
if (destination != null) {
|
|
final AffineTransform at = g2d.getTransform();
|
|
g2d.scale(1 / dpiFactor, 1 / dpiFactor);
|
|
final Shape sav = g2d.getClip();
|
|
|
|
Area full = new Area(new Rectangle2D.Double(0, 0, bounds.getMaxX() + deltaShadow * 2 + 6,
|
|
bounds.getMaxY() + deltaShadow * 2 + 6));
|
|
full.subtract(new Area(shape));
|
|
g2d.setClip(full);
|
|
|
|
g2d.drawImage(destination, (int) (bounds.getMinX() * dpiFactor), (int) (bounds.getMinY() * dpiFactor),
|
|
null);
|
|
g2d.setClip(sav);
|
|
g2d.setTransform(at);
|
|
}
|
|
}
|
|
}
|