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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
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* 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.
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* 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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* This is the IGY distribution (Install GraphViz by Yourself).
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* 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
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*
*/
package net.sourceforge.plantuml.klimt.drawing.g2d;
import static java.lang.Math.max;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.FontMetrics;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.util.List;
import net.sourceforge.plantuml.klimt.UParam;
import net.sourceforge.plantuml.klimt.UStroke;
import net.sourceforge.plantuml.klimt.color.ColorMapper;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColorGradient;
import net.sourceforge.plantuml.klimt.drawing.UDriver;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.FontStyle;
import net.sourceforge.plantuml.klimt.font.StringBounder;
import net.sourceforge.plantuml.klimt.font.UFont;
import net.sourceforge.plantuml.klimt.font.UFontContext;
import net.sourceforge.plantuml.klimt.geom.EnsureVisible;
import net.sourceforge.plantuml.klimt.geom.XDimension2D;
import net.sourceforge.plantuml.klimt.shape.UText;
import net.sourceforge.plantuml.text.StyledString;
public class DriverTextG2d implements UDriver {
private final EnsureVisible visible;
private final StringBounder stringBounder;
public DriverTextG2d(EnsureVisible visible, StringBounder stringBounder) {
this.visible = visible;
this.stringBounder = stringBounder;
}
public void draw(UText shape, double x, double y, ColorMapper mapper, UParam param, Graphics2D g2d) {
final FontConfiguration fontConfiguration = shape.getFontConfiguration();
if (fontConfiguration.getColor().isTransparent())
return;
final String text = shape.getText();
final List strings = StyledString.build(text);
for (StyledString styledString : strings) {
final FontConfiguration fc = styledString.getStyle() == FontStyle.BOLD ? fontConfiguration.bold()
: fontConfiguration;
x += printSingleText(g2d, fc, styledString.getText(), x, y, mapper);
}
}
private double printSingleText(Graphics2D g2d, final FontConfiguration fontConfiguration, final String text,
double x, double y, ColorMapper mapper) {
final UFont font = fontConfiguration.getFont();
final HColor extended = fontConfiguration.getExtendedColor();
final XDimension2D dim = stringBounder.calculateDimension(font, text);
final double height = max(10, dim.getHeight());
final double width = dim.getWidth();
final int orientation = 0;
if (orientation == 90) {
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2d.setFont(font.getUnderlayingFont(UFontContext.G2D));
g2d.setColor(fontConfiguration.getColor().toColor(mapper));
final AffineTransform orig = g2d.getTransform();
g2d.translate(x, y);
g2d.rotate(Math.PI / 2);
g2d.drawString(text, 0, 0);
g2d.setTransform(orig);
} else if (orientation == 0) {
if (fontConfiguration.containsStyle(FontStyle.BACKCOLOR)) {
final Rectangle2D.Double area = new Rectangle2D.Double(x, y - height + 1.5, width, height);
if (extended instanceof HColorGradient) {
final GradientPaint paint = DriverRectangleG2d.getPaintGradient(x, y, mapper, width, height,
extended);
g2d.setPaint(paint);
g2d.fill(area);
} else {
final Color backColor = extended.toColor(mapper);
if (backColor != null) {
g2d.setColor(backColor);
g2d.setBackground(backColor);
g2d.fill(area);
}
}
}
visible.ensureVisible(x, y - height + 1.5);
visible.ensureVisible(x + width, y + 1.5);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
// https://stackoverflow.com/questions/31536952/how-to-fix-text-quality-in-java-graphics
// https://stackoverflow.com/questions/72818320/improve-java2d-drawing-quality-on-hi-resolution-monitors
/*
* g2d.setRenderingHint(RenderingHints.KEY_RENDERING,
* RenderingHints.VALUE_RENDER_QUALITY);
* g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
* RenderingHints.VALUE_FRACTIONALMETRICS_ON);
* g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
* RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
* g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
* RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
*/
g2d.setFont(font.getUnderlayingFont(UFontContext.G2D));
g2d.setColor(fontConfiguration.getColor().toColor(mapper));
g2d.drawString(text, (float) x, (float) y);
if (fontConfiguration.containsStyle(FontStyle.UNDERLINE)) {
if (extended != null)
g2d.setColor(extended.toColor(mapper));
final UStroke stroke = fontConfiguration.getUnderlineStroke();
if (stroke.getThickness() > 0) {
DriverLineG2d.manageStroke(stroke, g2d);
final int ypos = (int) (y + 2.5);
g2d.drawLine((int) x, ypos, (int) (x + width), ypos);
g2d.setStroke(new BasicStroke());
}
}
if (fontConfiguration.containsStyle(FontStyle.WAVE)) {
final int ypos = (int) (y + 2.5) - 1;
if (extended != null)
g2d.setColor(extended.toColor(mapper));
for (int i = (int) x; i < x + width - 5; i += 6) {
g2d.drawLine(i, ypos - 0, i + 3, ypos + 1);
g2d.drawLine(i + 3, ypos + 1, i + 6, ypos - 0);
}
}
if (fontConfiguration.containsStyle(FontStyle.STRIKE)) {
final FontMetrics fm = g2d.getFontMetrics(font.getUnderlayingFont(UFontContext.G2D));
final int ypos = (int) (y - fm.getDescent() - 0.5);
if (extended != null)
g2d.setColor(extended.toColor(mapper));
g2d.setStroke(new BasicStroke((float) 1.5));
g2d.drawLine((int) x, ypos, (int) (x + width), ypos);
g2d.setStroke(new BasicStroke());
}
}
return width;
}
}