X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fgui%2Fcolour%2FContinuousPointColourer.java;fp=src%2Ftim%2Fprune%2Fgui%2Fcolour%2FContinuousPointColourer.java;h=64a9583aa8351dda4fcf0c8b3502218963cb1a71;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/gui/colour/ContinuousPointColourer.java b/src/tim/prune/gui/colour/ContinuousPointColourer.java
new file mode 100644
index 0000000..64a9583
--- /dev/null
+++ b/src/tim/prune/gui/colour/ContinuousPointColourer.java
@@ -0,0 +1,74 @@
+package tim.prune.gui.colour;
+
+import java.awt.Color;
+
+public abstract class ContinuousPointColourer extends PointColourer
+{
+	/** array of colours to use */
+	private Color[] _colours = null;
+
+	/**
+	 * Constructor
+	 * @param inStartColour start colour
+	 * @param inEndColour end colour
+	 */
+	public ContinuousPointColourer(Color inStartColour, Color inEndColour)
+	{
+		super(inStartColour, inEndColour);
+	}
+
+	/** Continuous colourers don't need a maximum count */
+	public static boolean isMaxColoursRequired() {
+		return false;
+	}
+
+	/**
+	 * Initialise the array to the right size
+	 * @param inNumPoints number of points in the track
+	 */
+	protected void init(int inNumPoints)
+	{
+		if (_colours == null || _colours.length != inNumPoints)
+		{
+			// Array needs to be created or resized
+			if (inNumPoints > 0) {
+				_colours = new Color[inNumPoints];
+			}
+			else {
+				_colours = null;
+			}
+		}
+	}
+
+	/**
+	 * Set the colour at the given index
+	 * @param inPointIndex point index
+	 * @param inColour colour to use, or null
+	 */
+	protected void setColour(int inPointIndex, Color inColour)
+	{
+		if (_colours != null && _colours.length > inPointIndex && inPointIndex >= 0)
+		{
+			_colours[inPointIndex] = inColour;
+		}
+	}
+
+	/**
+	 * Get the colour for the given point index
+	 * @param inPointIndex index of point in track
+	 * @return colour object
+	 */
+	public Color getColour(int inPointIndex)
+	{
+		Color colour = null;
+		if (_colours != null && _colours.length > inPointIndex && inPointIndex >= 0)
+		{
+			colour = _colours[inPointIndex];
+		}
+		if (colour == null) {
+			// not found, use default
+			colour = super.getDefaultColour();
+		}
+		return colour;
+	}
+}