add a .xpm file as background / first TEST /

- add a special cat image in background
- now ready for a pixel art phase ...
- very quick&dirty implementation of xpm parser...

- xpm generated with gimp using posterize. Thanks gimp !

java/org/artisanlogiciel/games/maze/gui/MazeComponent.java

@@ -5,6 +5,7 @@ import org.artisanlogiciel.games.maze.solve.DirectionPosition;
 import org.artisanlogiciel.games.maze.solve.MazeResolutionListener;
 import org.artisanlogiciel.graphics.Drawing;
 import org.artisanlogiciel.graphics.DrawingLine;
+import org.artisanlogiciel.xpm.Xpm;
 
 import javax.swing.*;
 import java.awt.*;
@@ -36,6 +37,9 @@ public class MazeComponent
     int gX = -1;
     int gY = -1;
 
+    // use a background
+    Xpm xpm = null;
+
     Date lastDrag = null;
     // FIXME HARCDODED delay after which a draging to draw a continous line is ended, a new line will then start.
     long dragTimeout = 200;
@@ -63,6 +67,11 @@ public class MazeComponent
             this.goal = goal;
         }
     }
+
+    public void setXpm(Xpm xpm)
+    {
+        this.xpm = xpm;
+    }
     // for a given (x,y) pixel return cell position.
     // if rightmost position of view  not (0,0) this is not working.
     Position getPosition(int x, int y) {
@@ -319,18 +328,22 @@ public class MazeComponent
         int aX = pX;
         int aY = pY;
 
-
-
         // draw background
         for (; pY < mY; pY++) {
             for (pX = 0; pX < mX; pX++) {
                 walls = map.getWalls(pX, pY);
-                g.setColor(colorMap.background);
+                if ( xpm != null ) {
+                    int cX = ( pX < xpm.getWidth()) ? pX : xpm.getWidth() - 1;
+                    int cY = ( pY < xpm.getHeight()) ? pY : xpm.getHeight() - 1;
+                    g.setColor(xpm.getColor(cX,cY));
+                }
+                else {
+                    g.setColor(colorMap.background);
+                }
                 cp.drawBackground(g, pX, pY, walls);
             }
         }
 
-        pX = aX;
         pY = aY;
 
         // draw all walls within clip bounds horiz first then lines