altosuilib: New line styles and colors for graphs. Selectable line width

Improve the readability of graphs by offering a better selection of
colors and adding line styles. Let the user configure the line width
as desired.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/altosuilib/AltosShapeListener.java b/altosuilib/AltosShapeListener.java
index 082b6135..6bf52fd4 100644
--- a/altosuilib/AltosShapeListener.java
+++ b/altosuilib/AltosShapeListener.java
@@ -16,4 +16,5 @@ package org.altusmetrum.altosuilib_12;
 
 public interface AltosShapeListener {
 	void set_shapes_visible(boolean visible);
+	void set_line_width(float width);
 }