Quitado el fondo blanco de los pictogramas...veremos otras opciones

android/Pictogram/app/src/main/java/com/yottacode/pictogram/gui/PanelAdapter.java

@@ -202,6 +202,7 @@ public class PanelAdapter extends ArrayAdapter {
                         */
                         /* FIN BORDE */
 
+                        /*
                         Drawable d = null;
                         imageView.setImageDrawable(d);
                         imageView.setAdjustViewBounds(true);
@@ -209,8 +210,9 @@ public class PanelAdapter extends ArrayAdapter {
                         imageView.setBackgroundColor(Color.WHITE); //providing color to the background.
                         imageView.setPadding(3, 3, 3, 3);//providing padding to the image.
                         imageView.setLayoutParams(new Gallery.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
+                        */
 
-                        //imageView.setImageAlpha(255);
+                        imageView.setImageAlpha(255);
                         imageView.setImageBitmap(bmp1);
                     }
                 }