Add quarterly and yearly print scale to gantt diagram

src/net/sourceforge/plantuml/project/GanttDiagram.java

@@ -79,8 +79,10 @@ import net.sourceforge.plantuml.project.draw.TaskDrawSeparator;
 import net.sourceforge.plantuml.project.draw.TimeHeader;
 import net.sourceforge.plantuml.project.draw.TimeHeaderDaily;
 import net.sourceforge.plantuml.project.draw.TimeHeaderMonthly;
+import net.sourceforge.plantuml.project.draw.TimeHeaderQuarterly;
 import net.sourceforge.plantuml.project.draw.TimeHeaderSimple;
 import net.sourceforge.plantuml.project.draw.TimeHeaderWeekly;
+import net.sourceforge.plantuml.project.draw.TimeHeaderYearly;
 import net.sourceforge.plantuml.project.lang.CenterBorderColor;
 import net.sourceforge.plantuml.project.time.Day;
 import net.sourceforge.plantuml.project.time.DayOfWeek;
@@ -236,6 +238,10 @@ public class GanttDiagram extends TitledDiagram implements ToTaskDraw, WithSprit
 			return new TimeHeaderWeekly(openClose.getCalendar(), min, max, openClose, colorDays, colorDaysOfWeek);
 		} else if (printScale == PrintScale.MONTHLY) {
 			return new TimeHeaderMonthly(openClose.getCalendar(), min, max, openClose, colorDays, colorDaysOfWeek);
+		} else if (printScale == PrintScale.QUARTERLY) {
+			return new TimeHeaderQuarterly(openClose.getCalendar(), min, max, openClose, colorDays, colorDaysOfWeek);
+		} else if (printScale == PrintScale.YEARLY) {
+			return new TimeHeaderYearly(openClose.getCalendar(), min, max, openClose, colorDays, colorDaysOfWeek);
 		} else {
 			return new TimeHeaderDaily(openClose.getCalendar(), min, max, openClose, colorDays, colorDaysOfWeek,
 					nameDays, printStart, printEnd);

src/net/sourceforge/plantuml/project/command/CommandPrintScale.java

@@ -59,6 +59,8 @@ public class CommandPrintScale extends SingleLineCommand2<GanttDiagram> {
 						new RegexLeaf("printscale")), //
 				RegexLeaf.spaceOneOrMore(), //
 				new RegexOr("SCALE", //
+						new RegexLeaf("yearly"), //
+						new RegexLeaf("quarterly"), //
 						new RegexLeaf("monthly"), //
 						new RegexLeaf("daily"), //
 						new RegexLeaf("weekly")), //

src/net/sourceforge/plantuml/project/core/PrintScale.java

@@ -36,7 +36,7 @@
 package net.sourceforge.plantuml.project.core;
 
 public enum PrintScale {
-	DAILY(1), WEEKLY(4), MONTHLY(15);
+	DAILY(1), WEEKLY(4), MONTHLY(15), QUARTERLY(40), YEARLY(150);
 
 	private final int compress;
 
@@ -55,6 +55,12 @@ public enum PrintScale {
 		if (value.startsWith("m")) {
 			return MONTHLY;
 		}
+		if (value.startsWith("q")) {
+			return QUARTERLY;
+		}
+		if (value.startsWith("y")) {
+			return YEARLY;
+		}
 		return DAILY;
 	}
 }

src/net/sourceforge/plantuml/project/draw/TimeHeaderQuarterly.java

@@ -0,0 +1,159 @@
+/* ========================================================================
+ * 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 java.util.Map;
+
+import net.sourceforge.plantuml.graphic.TextBlock;
+import net.sourceforge.plantuml.project.LoadPlanable;
+import net.sourceforge.plantuml.project.core.PrintScale;
+import net.sourceforge.plantuml.project.time.Day;
+import net.sourceforge.plantuml.project.time.DayOfWeek;
+import net.sourceforge.plantuml.project.time.MonthYear;
+import net.sourceforge.plantuml.project.timescale.TimeScaleCompressed;
+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 class TimeHeaderQuarterly extends TimeHeaderCalendar {
+
+	protected double getTimeHeaderHeight() {
+		return 16 + 13;
+	}
+
+	public double getTimeFooterHeight() {
+		return 16 + 13 - 1;
+	}
+
+	public TimeHeaderQuarterly(Day calendar, Day min, Day max, LoadPlanable defaultPlan, Map<Day, HColor> colorDays,
+			Map<DayOfWeek, HColor> colorDaysOfWeek) {
+		super(calendar, min, max, defaultPlan, colorDays, colorDaysOfWeek,
+				new TimeScaleCompressed(calendar, PrintScale.MONTHLY.getCompress()));
+	}
+
+	@Override
+	public void drawTimeHeader(final UGraphic ug, double totalHeightWithoutFooter) {
+		drawTextsBackground(ug, totalHeightWithoutFooter);
+		drawYears(ug);
+		drawQuarters(ug.apply(UTranslate.dy(16)));
+		drawHline(ug, 0);
+		drawHline(ug, 16);
+		drawHline(ug, getFullHeaderHeight());
+	}
+
+	@Override
+	public void drawTimeFooter(UGraphic ug) {
+		ug = ug.apply(UTranslate.dy(3));
+		drawQuarters(ug);
+		drawYears(ug.apply(UTranslate.dy(13)));
+		drawHline(ug, 0);
+		drawHline(ug, 13);
+		drawHline(ug, getTimeFooterHeight());
+	}
+
+	private void drawYears(final UGraphic ug) {
+		MonthYear last = null;
+		double lastChange = -1;
+		for (Day wink = min; wink.compareTo(max) < 0; wink = wink.increment()) {
+			final double x1 = getTimeScale().getStartingPosition(wink);
+			if (last == null || wink.monthYear().year() != last.year()) {
+				drawVbar(ug, x1, 0, 15);
+				if (last != null) {
+					printYear(ug, last, lastChange, x1);
+				}
+				lastChange = x1;
+				last = wink.monthYear();
+			}
+		}
+		final double x1 = getTimeScale().getStartingPosition(max.increment());
+		if (x1 > lastChange) {
+			printYear(ug, last, lastChange, x1);
+		}
+		drawVbar(ug, getTimeScale().getEndingPosition(max), 0, 15);
+	}
+
+	private void drawQuarters(UGraphic ug) {
+		String last = null;
+		double lastChange = -1;
+		for (Day wink = min; wink.compareTo(max) < 0; wink = wink.increment()) {
+			final double x1 = getTimeScale().getStartingPosition(wink);
+			if (quarter(wink).equals(last) == false) {
+				drawVbar(ug, x1, 0, 12);
+				if (last != null) {
+					printQuarter(ug, last, lastChange, x1);
+				}
+				lastChange = x1;
+				last = quarter(wink);
+			}
+		}
+		final double x1 = getTimeScale().getStartingPosition(max.increment());
+		if (x1 > lastChange) {
+			printQuarter(ug, last, lastChange, x1);
+		}
+		drawVbar(ug, getTimeScale().getEndingPosition(max), 0, 12);
+	}
+	
+	private String quarter(Day day) {
+		return "Q" + (( day.month().ordinal() + 3 ) / 3);
+	}
+
+	private void printYear(UGraphic ug, MonthYear monthYear, double start, double end) {
+		final TextBlock small = getTextBlock("" + monthYear.year(), 12, true, HColorUtils.BLACK);
+		printCentered(ug, start, end, small);
+	}
+
+	private void printQuarter(UGraphic ug, String quarter, double start, double end) {
+		final TextBlock small = getTextBlock(quarter, 10, false, HColorUtils.BLACK);
+		printCentered(ug, start, end, small);
+	}
+
+	private void drawVbar(UGraphic ug, double x, double y1, double y2) {
+		final ULine vbar = ULine.vline(y2 - y1);
+		ug.apply(HColorUtils.LIGHT_GRAY).apply(new UTranslate(x, y1)).draw(vbar);
+	}
+
+	private void printLeft(UGraphic ug, TextBlock text, double start) {
+		text.drawU(ug.apply(UTranslate.dx(start)));
+	}
+
+	@Override
+	public double getFullHeaderHeight() {
+		return getTimeHeaderHeight();
+	}
+
+}

src/net/sourceforge/plantuml/project/draw/TimeHeaderYearly.java

@@ -0,0 +1,152 @@
+/* ========================================================================
+ * 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 java.util.Map;
+
+import net.sourceforge.plantuml.graphic.TextBlock;
+import net.sourceforge.plantuml.project.LoadPlanable;
+import net.sourceforge.plantuml.project.core.PrintScale;
+import net.sourceforge.plantuml.project.time.Day;
+import net.sourceforge.plantuml.project.time.DayOfWeek;
+import net.sourceforge.plantuml.project.time.MonthYear;
+import net.sourceforge.plantuml.project.timescale.TimeScaleCompressed;
+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 class TimeHeaderYearly extends TimeHeaderCalendar {
+
+	protected double getTimeHeaderHeight() {
+		return 16 + 13;
+	}
+
+	public double getTimeFooterHeight() {
+		return 16 + 13 - 1;
+	}
+
+	public TimeHeaderYearly(Day calendar, Day min, Day max, LoadPlanable defaultPlan, Map<Day, HColor> colorDays,
+			Map<DayOfWeek, HColor> colorDaysOfWeek) {
+		super(calendar, min, max, defaultPlan, colorDays, colorDaysOfWeek,
+				new TimeScaleCompressed(calendar, PrintScale.MONTHLY.getCompress()));
+	}
+
+	@Override
+	public void drawTimeHeader(final UGraphic ug, double totalHeightWithoutFooter) {
+		drawTextsBackground(ug, totalHeightWithoutFooter);
+		drawYears(ug);
+		drawHline(ug, 0);
+		drawHline(ug, getFullHeaderHeight());
+	}
+
+	@Override
+	public void drawTimeFooter(UGraphic ug) {
+		ug = ug.apply(UTranslate.dy(3));
+		drawYears(ug);
+		drawHline(ug, 0);
+		drawHline(ug, getTimeFooterHeight());
+	}
+
+	private void drawYears(final UGraphic ug) {
+		MonthYear last = null;
+		double lastChange = -1;
+		for (Day wink = min; wink.compareTo(max) < 0; wink = wink.increment()) {
+			final double x1 = getTimeScale().getStartingPosition(wink);
+			if (last == null || wink.monthYear().year() != last.year()) {
+				drawVbar(ug, x1, 0, 15);
+				if (last != null) {
+					printYear(ug, last, lastChange, x1);
+				}
+				lastChange = x1;
+				last = wink.monthYear();
+			}
+		}
+		final double x1 = getTimeScale().getStartingPosition(max.increment());
+		if (x1 > lastChange) {
+			printYear(ug, last, lastChange, x1);
+		}
+		drawVbar(ug, getTimeScale().getEndingPosition(max), 0, 15);
+	}
+
+	private void drawMonths(UGraphic ug) {
+		MonthYear last = null;
+		double lastChange = -1;
+		for (Day wink = min; wink.compareTo(max) < 0; wink = wink.increment()) {
+			final double x1 = getTimeScale().getStartingPosition(wink);
+			if (wink.monthYear().equals(last) == false) {
+				drawVbar(ug, x1, 0, 12);
+				if (last != null) {
+					printMonth(ug, last, lastChange, x1);
+				}
+				lastChange = x1;
+				last = wink.monthYear();
+			}
+		}
+		final double x1 = getTimeScale().getStartingPosition(max.increment());
+		if (x1 > lastChange) {
+			printMonth(ug, last, lastChange, x1);
+		}
+		drawVbar(ug, getTimeScale().getEndingPosition(max), 0, 12);
+	}
+
+	private void printYear(UGraphic ug, MonthYear monthYear, double start, double end) {
+		final TextBlock small = getTextBlock("" + monthYear.year(), 12, true, HColorUtils.BLACK);
+		printCentered(ug, start, end, small);
+	}
+
+	private void printMonth(UGraphic ug, MonthYear monthYear, double start, double end) {
+		final TextBlock small = getTextBlock(monthYear.shortName(), 10, false, HColorUtils.BLACK);
+		final TextBlock big = getTextBlock(monthYear.longName(), 10, false, HColorUtils.BLACK);
+		printCentered(ug, start, end, small, big);
+	}
+
+	private void drawVbar(UGraphic ug, double x, double y1, double y2) {
+		final ULine vbar = ULine.vline(y2 - y1);
+		ug.apply(HColorUtils.LIGHT_GRAY).apply(new UTranslate(x, y1)).draw(vbar);
+	}
+
+	private void printLeft(UGraphic ug, TextBlock text, double start) {
+		text.drawU(ug.apply(UTranslate.dx(start)));
+	}
+
+	@Override
+	public double getFullHeaderHeight() {
+		return getTimeHeaderHeight();
+	}
+
+}