Changeset 821 for trunk/components/rendering/src/omeis/providers/re/data/PlaneFactory.java

Timestamp:

07/25/06 14:44:49 (2 years ago)

Author:

brain

Message:

Added functionality to check for signed types in the pixel data to fix a bug with large global min/max ranges.

Files:

• trunk/components/rendering/src/omeis/providers/re/data/PlaneFactory.java (modified) (1 diff)

trunk/components/rendering/src/omeis/providers/re/data/PlaneFactory.java

@@ -115 +115 @@
                                 + type.getValue() + "'");
     }
+    
+    /**
+     * A static helper method to retrieve pixel byte signage.
+     * 
+     * @param type The pixels type for which you want to know the byte width.
+     * @return The number of bytes per pixel value.
+     */
+    static boolean isTypeSigned(PixelsType type)
+    {
+        if (in(type, new String[] {"uint8", "uint16", "uint32"}))
+            return false;
+        else if (in(type, new String[] { "int8", "int16", "int32", "float", "double"}))
+            return true;
+        else
+            throw new RuntimeException("Unknown pixel type: '"
+                    + type.getValue() + "'");
+    }
+    
     
     /**