Horus C++ Reference

The function performs exclusive or (see Pixels) on all pixels in the input images via a binary pixel operation (see Images).

Implementation specifics : The pixel functor : HxBpoXor. The image functor instantiator : HxInstantiatorXor.

00015 {
00016     HxString fname("HxXor");
00017 
00018     if (im1.isNull())
00019     {
00020         HxGlobalError::instance()->reportError(fname, im1.name(), "null image", HxGlobalError::HX_GE_INVALID);
00021         return HxImageRep();
00022     }
00023     if (im2.isNull())
00024     {
00025         HxGlobalError::instance()->reportError(fname, im2.name(), "null image", HxGlobalError::HX_GE_INVALID);
00026         return HxImageRep();
00027     }
00028 
00029     if (im1.signature().imageDimensionality() != im2.signature().imageDimensionality())
00030     {
00031         HxGlobalError::instance()->reportError(fname, "unequal image dimensionalities", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00032         return HxImageRep();
00033     }
00034     if (im1.signature().pixelDimensionality() != im2.signature().pixelDimensionality())
00035     {
00036         HxGlobalError::instance()->reportError(fname, "unequal pixel dimensionalities", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00037         return HxImageRep();
00038     }
00039     if (im1.signature().pixelDimensionality() != 1)
00040     {
00041         HxGlobalError::instance()->reportError(fname, "logical operators are only valid for scalar images", HxGlobalError::HX_GE_INVALID);
00042         return HxImageRep();
00043     }
00044 
00045     if (im1.signature().pixelType() != im2.signature().pixelType())
00046     {
00047         HxGlobalError::instance()->reportError(fname, "unequal pixel types", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00048         return HxImageRep();
00049     }
00050     if (im1.signature().pixelType() != INT_VALUE)
00051     {
00052         HxGlobalError::instance()->reportError(fname, "logical operators are only valid on integer values", HxGlobalError::HX_GE_INVALID);
00053         return HxImageRep();
00054     }
00055 
00056     if (im1.signature().pixelPrecision() != im2.signature().pixelPrecision())
00057     {
00058         HxGlobalError::instance()->reportError(fname, "unequal pixel precisions", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00059         return HxImageRep();
00060     }
00061 
00062     if (im1.sizes().x() != im2.sizes().x())
00063     {
00064         HxGlobalError::instance()->reportError(fname, "unequal image widths", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00065         return HxImageRep();
00066     }
00067     if (im1.sizes().y() != im2.sizes().y())
00068     {
00069         HxGlobalError::instance()->reportError(fname, "unequal image heights", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00070         return HxImageRep();
00071     }
00072     if (im1.signature().imageDimensionality() > 2)
00073     {
00074         if (im1.sizes().z() != im2.sizes().z())
00075         {
00076             HxGlobalError::instance()->reportError(fname, "unequal image depths", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00077             return HxImageRep();
00078         }
00079     }
00080 
00081     return im1.binaryPixOp(im2, "xor");
00082 }

Functions
HxImageRep L_HXIMAGEREP	HxXor (HxImageRep im1, HxImageRep im2)
	Exclusive or. More...

HxXor.h File Reference

Functions

Detailed Description

Function Documentation