From 8d722b0fe116b0d4ef08018e48b6e97ef4f5a277 Mon Sep 17 00:00:00 2001
From: Ronald Roskens <ronald.roskens@biworldwide.com>
Date: Sun, 25 Nov 2012 18:43:41 -0600
Subject: [PATCH] NMS-2691 - JRobin --font handling

---
 .../netmgt/rrd/jrobin/JRobinRrdStrategy.java       | 60 ++++++++++++++++++----
 1 file changed, 49 insertions(+), 11 deletions(-)

diff --git a/opennms-rrd/opennms-rrd-jrobin/src/main/java/org/opennms/netmgt/rrd/jrobin/JRobinRrdStrategy.java b/opennms-rrd/opennms-rrd-jrobin/src/main/java/org/opennms/netmgt/rrd/jrobin/JRobinRrdStrategy.java
index 5700424..95c44eb 100644
--- a/opennms-rrd/opennms-rrd-jrobin/src/main/java/org/opennms/netmgt/rrd/jrobin/JRobinRrdStrategy.java
+++ b/opennms-rrd/opennms-rrd-jrobin/src/main/java/org/opennms/netmgt/rrd/jrobin/JRobinRrdStrategy.java
@@ -29,6 +29,7 @@
 package org.opennms.netmgt.rrd.jrobin;
 
 import java.awt.Color;
+import java.awt.Font;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
@@ -725,23 +726,60 @@ public class JRobinRrdStrategy implements RrdStrategy<RrdDef,RrdDb> {
 	}
 
 	private void processRrdFontArgument(RrdGraphDef graphDef, String argParm) {
-		/*
-		String[] argValue = tokenize(argParm, ":", true);
-		if (argValue[0].equals("DEFAULT")) {
+		String[] argValue = tokenize(argParm, ":", false);
+		if (argValue.length < 2 || argValue.length > 3) {
+			log().warn("invalid number of arguments ("+argValue.length+") for font argument " + argParm);
+			return;
+		}
 		int newPointSize = Integer.parseInt(argValue[1]);
-			graphDef.setSmallFont(graphDef.getSmallFont().deriveFont(newPointSize));
+		int fontTag;
+		Font font;
+
+		if (argValue[0].equals("DEFAULT")) {
+			fontTag = RrdGraphDef.FONTTAG_DEFAULT;
 		} else if (argValue[0].equals("TITLE")) {
-			int newPointSize = Integer.parseInt(argValue[1]);
-			graphDef.setLargeFont(graphDef.getLargeFont().deriveFont(newPointSize));
+			fontTag = RrdGraphDef.FONTTAG_TITLE;
+		} else if (argValue[0].equals("AXIS")) {
+			fontTag = RrdGraphDef.FONTTAG_AXIS;
+		} else if (argValue[0].equals("UNIT")) {
+			fontTag = RrdGraphDef.FONTTAG_UNIT;
+		} else if (argValue[0].equals("LEGEND")) {
+			fontTag = RrdGraphDef.FONTTAG_LEGEND;
+		} else if (argValue[0].equals("WATERMARK")) {
+			fontTag = RrdGraphDef.FONTTAG_WATERMARK;
 		} else {
+			log().warn("invalid font tag " + argValue[0]);
+			return;
+		}
+
 		try {
-				Font font = Font.createFont(Font.TRUETYPE_FONT, new File(argValue[0]));
-			} catch (Throwable e) {
-				// oh well, fall back to existing font stuff
-				log().warn("unable to create font from font argument " + argParm, e);
+			font = graphDef.getFont(fontTag);
+
+			// If we have a font specified, try and get a font object for it.
+			if (argValue[2] != null && argValue[2].length() > 0) {
+				int origPointSize = font.getSize();
+				font = Font.decode(argValue[2]);
+
+				// Font.decode() returns a 12 px font size, by default unless you specify
+				// a font size in the font name pattern.
+				if (newPointSize > 0) {
+					font = font.deriveFont((float) newPointSize);
+				} else {
+					font = font.deriveFont((float) origPointSize);
 				}
+			} else {
+				// If we don't have a font name specified, then we just adjust the font size.
+				font = font.deriveFont((float) newPointSize);
+			}
+
+			if (fontTag == RrdGraphDef.FONTTAG_DEFAULT) {
+				graphDef.setFont(fontTag, font, true, newPointSize == 0);
+			} else {
+				graphDef.setFont(fontTag, font);
+			}
+		} catch (Throwable e) {
+			log().warn("unable to create font from font argument " + argParm + " " + e.getMessage());
 		}
-		*/
 	}
     
     private String[] tokenize(final String line, final String delimiters, final boolean processQuotes) {
-- 
1.7.11.7