]> gitweb.fperrin.net Git - GpsPrune.git/blobdiff - tim/prune/gui/colour/DiscretePointColourer.java
Moved source into separate src directory due to popular request
[GpsPrune.git] / tim / prune / gui / colour / DiscretePointColourer.java
diff --git a/tim/prune/gui/colour/DiscretePointColourer.java b/tim/prune/gui/colour/DiscretePointColourer.java
deleted file mode 100644 (file)
index 9549a93..0000000
+++ /dev/null
@@ -1,124 +0,0 @@
-package tim.prune.gui.colour;
-
-import java.awt.Color;
-
-/**
- * Abstract class to do the discrete colouring of points,
- * using start and end colours and a wrapping index
- */
-public abstract class DiscretePointColourer extends PointColourer
-{
-       /** array of discrete colours to use */
-       private Color[] _discreteColours = null;
-       /** array of colour indexes */
-       private int[] _colourIndexes = null;
-
-
-       /**
-        * Constructor
-        * @param inStartColour start colour of scale
-        * @param inEndColour end colour of scale
-        * @param inMaxColours number of unique colours before wrap
-        */
-       public DiscretePointColourer(Color inStartColour, Color inEndColour, int inMaxColours)
-       {
-               super(inStartColour, inEndColour, inMaxColours);
-       }
-
-       /** max number of colours is required here */
-       public static boolean isMaxColoursRequired() {
-               return true;
-       }
-
-       /**
-        * Initialise the array to the right size
-        * @param inNumPoints number of points in the track
-        */
-       protected void init(int inNumPoints)
-       {
-               if (_colourIndexes == null || _colourIndexes.length != inNumPoints)
-               {
-                       // Array needs to be created or resized
-                       if (inNumPoints > 0) {
-                               _colourIndexes = new int[inNumPoints];
-                       }
-                       else {
-                               _colourIndexes = null;
-                       }
-               }
-       }
-
-       /**
-        * Set the colour at the given index
-        * @param inPointIndex point index
-        * @param inColourIndex index of colour to use
-        */
-       protected void setColour(int inPointIndex, int inColourIndex)
-       {
-               if (_colourIndexes != null && _colourIndexes.length > inPointIndex && inPointIndex >= 0)
-               {
-                       _colourIndexes[inPointIndex] = inColourIndex;
-               }
-       }
-
-       /**
-        * Get the colour for the given point index
-        * @param inPointIndex index of point in track
-        * @return colour object
-        */
-       public Color getColour(int inPointIndex)
-       {
-               if (_colourIndexes != null && _colourIndexes.length > inPointIndex && inPointIndex >= 0 && getMaxColours() > 0)
-               {
-                       int colourIndex = _colourIndexes[inPointIndex] % getMaxColours();
-                       if (colourIndex >= 0 && _discreteColours != null && colourIndex < _discreteColours.length) {
-                               return _discreteColours[colourIndex];
-                       }
-               }
-               // not found, use default
-               return super.getDefaultColour();
-       }
-
-       /**
-        * Generate the set of discrete colours to use
-        * @param inNumCategories number of different categories found in the data
-        */
-       protected void generateDiscreteColours(int inNumCategories)
-       {
-               int maxColours = getMaxColours();
-               if (maxColours <= 1) {maxColours = 2;}
-               if (inNumCategories < 1) {inNumCategories = 1;}
-               else if (inNumCategories > maxColours) {inNumCategories = maxColours;}
-
-               // Use this number of categories to generate the colours
-               _discreteColours = new Color[inNumCategories];
-               for (int i=0; i<inNumCategories; i++) {
-                       _discreteColours[i] = mixColour(i, inNumCategories);
-               }
-       }
-
-       /**
-        * Mix the given colours together by interpolating H,S,B values
-        * @param inIndex index from 0 to inWrap-1
-        * @param inWrap wrap length
-        * @return mixed colour
-        */
-       private Color mixColour(int inIndex, int inWrap)
-       {
-               float fraction = inWrap < 2 ? 0.0f : (float) inIndex / (float) (inWrap - 1);
-               return mixColour(fraction);
-       }
-
-       /**
-        * @param inIndex specified colour index
-        * @return precalculated colour at the given index
-        */
-       protected Color getDiscreteColour(int inIndex)
-       {
-               if (_discreteColours == null || inIndex < 0 || getMaxColours() <= 1) {
-                       return getDefaultColour();
-               }
-               return _discreteColours[inIndex % getMaxColours()];
-       }
-
-}