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116 lines
4.0 KiB
Java
116 lines
4.0 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.project.draw;
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import net.sourceforge.plantuml.SpriteContainerEmpty;
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import net.sourceforge.plantuml.cucadiagram.Display;
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import net.sourceforge.plantuml.graphic.FontConfiguration;
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import net.sourceforge.plantuml.graphic.HorizontalAlignment;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.project.time.Wink;
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import net.sourceforge.plantuml.project.timescale.TimeScale;
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import net.sourceforge.plantuml.ugraphic.UFont;
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import net.sourceforge.plantuml.ugraphic.UGraphic;
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import net.sourceforge.plantuml.ugraphic.ULine;
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import net.sourceforge.plantuml.ugraphic.UTranslate;
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import net.sourceforge.plantuml.ugraphic.color.HColor;
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import net.sourceforge.plantuml.ugraphic.color.HColorUtils;
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public abstract class TimeHeader {
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protected static final int Y_POS_ROW16 = 16;
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protected static final int Y_POS_ROW28 = 28;
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private final TimeScale timeScale;
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protected final Wink min;
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protected final Wink max;
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public TimeHeader(Wink min, Wink max, TimeScale timeScale) {
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this.timeScale = timeScale;
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this.min = min;
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this.max = max;
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}
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public abstract void drawTimeHeader(final UGraphic ug, double totalHeight);
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public abstract double getFullHeaderHeight();
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protected final void drawHline(UGraphic ug, double y) {
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final double xmin = getTimeScale().getStartingPosition(min);
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final double xmax = getTimeScale().getEndingPosition(max);
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final ULine hline = ULine.hline(xmax - xmin);
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ug.apply(HColorUtils.LIGHT_GRAY).apply(UTranslate.dy(y)).draw(hline);
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}
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final protected FontConfiguration getFontConfiguration(int size, boolean bold, HColor color) {
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UFont font = UFont.serif(size);
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if (bold) {
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font = font.bold();
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}
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return new FontConfiguration(font, color, color, false);
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}
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public final TimeScale getTimeScale() {
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return timeScale;
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}
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protected final TextBlock getTextBlock(String text, int size, boolean bold, HColor color) {
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return Display.getWithNewlines(text).create(getFontConfiguration(size, bold, color), HorizontalAlignment.LEFT,
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new SpriteContainerEmpty());
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}
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protected final void printCentered(UGraphic ug, TextBlock text, double start, double end) {
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final double width = text.calculateDimension(ug.getStringBounder()).getWidth();
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final double available = end - start;
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final double diff = Math.max(0, available - width);
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text.drawU(ug.apply(UTranslate.dx(start + diff / 2)));
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}
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protected final void printCentered(UGraphic ug, double start, double end, TextBlock... texts) {
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final double available = end - start;
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for (int i = texts.length - 1; i >= 0; i--) {
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final TextBlock text = texts[i];
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final double width = text.calculateDimension(ug.getStringBounder()).getWidth();
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if (i == 0 || width <= available) {
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final double diff = Math.max(0, available - width);
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text.drawU(ug.apply(UTranslate.dx(start + diff / 2)));
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return;
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}
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}
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}
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}
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