Index: /branches/rel10_ifa/psModules/src/pslib/Makefile.am
===================================================================
--- /branches/rel10_ifa/psModules/src/pslib/Makefile.am	(revision 6720)
+++ /branches/rel10_ifa/psModules/src/pslib/Makefile.am	(revision 6721)
@@ -7,4 +7,5 @@
     psEllipse.c \
     psImageJpeg.c \
+    psImageFlip.c \
     psLine.c \
     psMetadataItemParse.c \
@@ -18,4 +19,5 @@
     psEllipse.h \
     psImageJpeg.h \
+    psImageFlip.h \
     psLine.h \
     psMetadataItemParse.h \
Index: /branches/rel10_ifa/psModules/src/pslib/psImageFlip.c
===================================================================
--- /branches/rel10_ifa/psModules/src/pslib/psImageFlip.c	(revision 6721)
+++ /branches/rel10_ifa/psModules/src/pslib/psImageFlip.c	(revision 6721)
@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include "pslib.h"
+
+
+#define FLIP_X_CASE(TYPENAME,TYPE) \
+case TYPENAME: \
+for (int i = 0; i < image->numRows; i++) { \
+    for (int j = 0; j < image->numCols; j++) { \
+        output->data.TYPE[i][j] = image->data.TYPE[i][image->numCols - j - 1]; \
+    } \
+} \
+break;
+
+// Return a flipped image in x
+psImage *psImageFlipX(psImage *image    // Image to flip
+                     )
+{
+    psImage *output = psImageAlloc(image->numCols, image->numRows, image->type.type); // Output image
+    switch(image->type.type) {
+        FLIP_X_CASE(PS_TYPE_U8,  U8);
+        FLIP_X_CASE(PS_TYPE_U16, U16);
+        FLIP_X_CASE(PS_TYPE_U32, U32);
+        FLIP_X_CASE(PS_TYPE_U64, U64);
+        FLIP_X_CASE(PS_TYPE_S8,  S8);
+        FLIP_X_CASE(PS_TYPE_S16, S16);
+        FLIP_X_CASE(PS_TYPE_S32, S32);
+        FLIP_X_CASE(PS_TYPE_S64, S64);
+        FLIP_X_CASE(PS_TYPE_F32, F32);
+        FLIP_X_CASE(PS_TYPE_F64, F64);
+        FLIP_X_CASE(PS_TYPE_C32, C32);
+        FLIP_X_CASE(PS_TYPE_C64, C64);
+    default:
+        psFree(output);
+        psError(PS_ERR_BAD_PARAMETER_TYPE, true, "Unknown type for input image: %x\n", image->type.type);
+        return NULL;
+    }
+
+    return image;
+}
+
+
+#define FLIP_Y_CASE(TYPENAME,TYPE) \
+case TYPENAME: \
+for (int i = 0; i < image->numRows; i++) { \
+    for (int j = 0; j < image->numCols; j++) { \
+        output->data.TYPE[i][j] = image->data.TYPE[image->numRows - i - 1][j]; \
+    } \
+} \
+break;
+
+// Return a flipped image in y
+psImage *psImageFlipY(psImage *image    // Image to flip
+                     )
+{
+    psImage *output = psImageAlloc(image->numCols, image->numRows, image->type.type); // Output image
+    switch(image->type.type) {
+        FLIP_Y_CASE(PS_TYPE_U8,  U8);
+        FLIP_Y_CASE(PS_TYPE_U16, U16);
+        FLIP_Y_CASE(PS_TYPE_U32, U32);
+        FLIP_Y_CASE(PS_TYPE_U64, U64);
+        FLIP_Y_CASE(PS_TYPE_S8,  S8);
+        FLIP_Y_CASE(PS_TYPE_S16, S16);
+        FLIP_Y_CASE(PS_TYPE_S32, S32);
+        FLIP_Y_CASE(PS_TYPE_S64, S64);
+        FLIP_Y_CASE(PS_TYPE_F32, F32);
+        FLIP_Y_CASE(PS_TYPE_F64, F64);
+        FLIP_Y_CASE(PS_TYPE_C32, C32);
+        FLIP_Y_CASE(PS_TYPE_C64, C64);
+    default:
+        psFree(output);
+        psError(PS_ERR_BAD_PARAMETER_TYPE, true, "Unknown type for input image: %x\n", image->type.type);
+        return NULL;
+    }
+
+    return image;
+}
Index: /branches/rel10_ifa/psModules/src/pslib/psImageFlip.h
===================================================================
--- /branches/rel10_ifa/psModules/src/pslib/psImageFlip.h	(revision 6721)
+++ /branches/rel10_ifa/psModules/src/pslib/psImageFlip.h	(revision 6721)
@@ -0,0 +1,13 @@
+#ifndef PS_IMAGE_FLIP_H
+#define PS_IMAGE_FLIP_H
+
+#include "pslib.h"
+
+// Return a flipped image in x
+psImage *psImageFlipX(psImage *image    // Image to flip
+                     );
+// Return a flipped image in y
+psImage *psImageFlipY(psImage *image    // Image to flip
+                     );
+
+#endif