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/* ========================================================================
* 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.graphic;
import java.awt.geom.Dimension2D;
import net.sourceforge.plantuml.Dimension2DDouble;
import net.sourceforge.plantuml.ugraphic.Shadowable;
import net.sourceforge.plantuml.ugraphic.UChangeBackColor;
import net.sourceforge.plantuml.ugraphic.UChangeColor;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.URectangle;
import net.sourceforge.plantuml.ugraphic.UStroke;
import net.sourceforge.plantuml.ugraphic.UTranslate;
public class TextBlockBordered extends AbstractTextBlock implements TextBlock {
private final double cornersize;
private final HtmlColor backgroundColor;
private final HtmlColor borderColor;
private final int marginX = 6;
private final int marginY = 5;
private final UStroke stroke;
private final boolean withShadow;
private final TextBlock textBlock;
TextBlockBordered(TextBlock textBlock, UStroke stroke, HtmlColor borderColor, HtmlColor backgroundColor,
double cornersize) {
this.cornersize = cornersize;
this.textBlock = textBlock;
this.withShadow = false;
this.stroke = stroke;
this.borderColor = borderColor;
this.backgroundColor = backgroundColor;
}
private double getTextHeight(StringBounder stringBounder) {
final Dimension2D size = textBlock.calculateDimension(stringBounder);
return size.getHeight() + 2 * marginY;
}
private double getPureTextWidth(StringBounder stringBounder) {
final Dimension2D size = textBlock.calculateDimension(stringBounder);
return size.getWidth();
}
private double getTextWidth(StringBounder stringBounder) {
return getPureTextWidth(stringBounder) + 2 * marginX;
}
public Dimension2D calculateDimension(StringBounder stringBounder) {
final double height = getTextHeight(stringBounder);
final double width = getTextWidth(stringBounder);
return new Dimension2DDouble(width + 1, height + 1);
}
private UGraphic applyStroke(UGraphic ug) {
if (stroke == null) {
return ug;
}
return ug.apply(stroke);
}
private boolean noBorder() {
if (stroke == null) {
return false;
}
return stroke.getThickness() == 0;
}
public void drawU(UGraphic ug) {
final StringBounder stringBounder = ug.getStringBounder();
final Shadowable polygon = getPolygonNormal(stringBounder);
final UGraphic ugOriginal = ug;
if (withShadow) {
polygon.setDeltaShadow(4);
}
if (noBorder()) {
ug = ug.apply(new UChangeBackColor(backgroundColor)).apply(new UChangeColor(backgroundColor));
} else {
ug = ug.apply(new UChangeBackColor(backgroundColor)).apply(new UChangeColor(borderColor));
ug = applyStroke(ug);
}
ug.draw(polygon);
textBlock.drawU(ugOriginal.apply(new UTranslate(marginX, marginY)));
}
private Shadowable getPolygonNormal(final StringBounder stringBounder) {
final double height = getTextHeight(stringBounder);
final double width = getTextWidth(stringBounder);
return new URectangle(width, height, cornersize, cornersize);
}
}
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