1
0
mirror of https://github.com/octoleo/plantuml.git synced 2024-05-31 15:40:48 +00:00
plantuml/src/net/sourceforge/plantuml/project/draw/TimeHeader.java
2020-08-25 19:24:17 +02:00

116 lines
4.0 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.project.draw;
import net.sourceforge.plantuml.SpriteContainerEmpty;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.graphic.FontConfiguration;
import net.sourceforge.plantuml.graphic.HorizontalAlignment;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.project.time.Wink;
import net.sourceforge.plantuml.project.timescale.TimeScale;
import net.sourceforge.plantuml.ugraphic.UFont;
import net.sourceforge.plantuml.ugraphic.UGraphic;
import net.sourceforge.plantuml.ugraphic.ULine;
import net.sourceforge.plantuml.ugraphic.UTranslate;
import net.sourceforge.plantuml.ugraphic.color.HColor;
import net.sourceforge.plantuml.ugraphic.color.HColorUtils;
public abstract class TimeHeader {
protected static final int Y_POS_ROW16 = 16;
protected static final int Y_POS_ROW28 = 28;
private final TimeScale timeScale;
protected final Wink min;
protected final Wink max;
public TimeHeader(Wink min, Wink max, TimeScale timeScale) {
this.timeScale = timeScale;
this.min = min;
this.max = max;
}
public abstract void drawTimeHeader(final UGraphic ug, double totalHeight);
public abstract double getFullHeaderHeight();
protected final void drawHline(UGraphic ug, double y) {
final double xmin = getTimeScale().getStartingPosition(min);
final double xmax = getTimeScale().getEndingPosition(max);
final ULine hline = ULine.hline(xmax - xmin);
ug.apply(HColorUtils.LIGHT_GRAY).apply(UTranslate.dy(y)).draw(hline);
}
final protected FontConfiguration getFontConfiguration(int size, boolean bold, HColor color) {
UFont font = UFont.serif(size);
if (bold) {
font = font.bold();
}
return new FontConfiguration(font, color, color, false);
}
public final TimeScale getTimeScale() {
return timeScale;
}
protected final TextBlock getTextBlock(String text, int size, boolean bold, HColor color) {
return Display.getWithNewlines(text).create(getFontConfiguration(size, bold, color), HorizontalAlignment.LEFT,
new SpriteContainerEmpty());
}
protected final void printCentered(UGraphic ug, TextBlock text, double start, double end) {
final double width = text.calculateDimension(ug.getStringBounder()).getWidth();
final double available = end - start;
final double diff = Math.max(0, available - width);
text.drawU(ug.apply(UTranslate.dx(start + diff / 2)));
}
protected final void printCentered(UGraphic ug, double start, double end, TextBlock... texts) {
final double available = end - start;
for (int i = texts.length - 1; i >= 0; i--) {
final TextBlock text = texts[i];
final double width = text.calculateDimension(ug.getStringBounder()).getWidth();
if (i == 0 || width <= available) {
final double diff = Math.max(0, available - width);
text.drawU(ug.apply(UTranslate.dx(start + diff / 2)));
return;
}
}
}
}