Index: trunk/psLib/src/imageops/psImagePixelManip.h
===================================================================
--- trunk/psLib/src/imageops/psImagePixelManip.h	(revision 4589)
+++ trunk/psLib/src/imageops/psImagePixelManip.h	(revision 4815)
@@ -8,6 +8,6 @@
  *  @author Robert DeSonia, MHPCC
  *
- *  @version $Revision: 1.8 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2005-07-21 01:40:10 $
+ *  @version $Revision: 1.9 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2005-08-18 21:44:40 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -87,4 +87,55 @@
     const char *op                     ///< the operation to perform for overlay
 );
+/** Sets the bits inside the region, ignoring pixels outside.
+ *
+ *  The pixels are set by combining the existing pixel value and the given maskValue
+ *  with a logical operation.  The allowed operations are =, AND, OR, and XOR.
+ */
+void psImageMaskRegion(
+    psImage *image,                    ///< the image to set
+    psRegion *region,                  ///< the specified region
+    bool logical_and,                  ///< the logical operation
+    int maskValue                      ///< the specified bits
+);
+
+/** Sets the bits outside the region, ignoring pixels inside.
+ *
+ *  The pixels are set by combining the existing pixel value and the given maskValue
+ *  with a logical operation.  The allowed operations are =, AND, OR, and XOR.
+ */
+void psImageKeepRegion(
+    psImage *image,                    ///< the image to set
+    psRegion *region,                  ///< the specified region
+    bool logical_and,                  ///< the logical operation
+    int maskValue                      ///< the specified bits
+);
+
+/** Sets the bits inside the circle, ignoring the pixels outside.
+ *
+ *  The pixel values are set by combining the existing pixel value and the given maskValue
+ *  with a logical operation.  The allowed operations are =, AND, OR, and XOR.
+ */
+void psImageMaskCircle(
+    psImage *image,                    ///< the image to set
+    double x,                          ///< the x coordinate of the circle's center
+    double y,                          ///< the y coordinate of the circle's center
+    double radius,                     ///< the radius of the specified circle
+    bool logical_and,                  ///< the logical operation
+    int maskValue                      ///< the specified bits
+);
+
+/** Sets the bits outside the circle, ignoring the pixels inside.
+ *
+ *  The pixel values are set by combining the existing pixel value and the given maskValue
+ *  with a logical operation.  The allowed operations are =, AND, OR, and XOR.
+ */
+void psImageKeepCircle(
+    psImage *image,                    ///< the image to set
+    double x,                          ///< the x coordinate of the circle's center
+    double y,                          ///< the y coordinate of the circle's center
+    double radius,                     ///< the radius of the specified circle
+    bool logical_and,                  ///< the logical operation
+    int maskValue                      ///< the specified bits
+);
 
 #endif // #ifndef PS_IMAGE_PIXEL_MANIP_H