#include "HxImageRep.h"
Go to the source code of this file.
Functions | |
| HxImageRep L_HXIMAGEREP | HxLeftShift (HxImageRep im1, HxImageRep im2) |
| Left shift. More... | |
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Left shift. The function performs left shift (see Pixels) on all pixels in the input images via a binary pixel operation (see Images). Implementation specifics : The pixel functor : HxBpoLeftShift. The image functor instantiator : HxInstantiatorLeftShift.
00013 {
00014 HxString fname("HxLeftShift");
00015
00016 if (im1.isNull())
00017 {
00018 HxGlobalError::instance()->reportError(fname, im1.name(), "null image", HxGlobalError::HX_GE_INVALID);
00019 return HxImageRep();
00020 }
00021 if (im2.isNull())
00022 {
00023 HxGlobalError::instance()->reportError(fname, im2.name(), "null image", HxGlobalError::HX_GE_INVALID);
00024 return HxImageRep();
00025 }
00026
00027 if (im1.dimensionality() != im2.dimensionality())
00028 {
00029 HxGlobalError::instance()->reportError(fname, "unequal image dimensionalities", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00030 return HxImageRep();
00031 }
00032 if (im1.pixelDimensionality() != im2.pixelDimensionality())
00033 {
00034 HxGlobalError::instance()->reportError(fname, "unequal pixel dimensionalities", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00035 return HxImageRep();
00036 }
00037 if (im1.pixelDimensionality() != 1)
00038 {
00039 HxGlobalError::instance()->reportError(fname, "logical operators are only valid for scalar images", HxGlobalError::HX_GE_INVALID);
00040 return HxImageRep();
00041 }
00042
00043 if (im1.signature().pixelType() != im2.signature().pixelType())
00044 {
00045 HxGlobalError::instance()->reportError(fname, "unequal pixel types", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00046 return HxImageRep();
00047 }
00048 if (im1.signature().pixelType() != INT_VALUE)
00049 {
00050 HxGlobalError::instance()->reportError(fname, "logical operators are only valid on integer values", HxGlobalError::HX_GE_INVALID);
00051 return HxImageRep();
00052 }
00053
00054 if (im1.sizes().x() != im2.sizes().x())
00055 {
00056 HxGlobalError::instance()->reportError(fname, "unequal image widths", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00057 return HxImageRep();
00058 }
00059 if (im1.sizes().y() != im2.sizes().y())
00060 {
00061 HxGlobalError::instance()->reportError(fname, "unequal image heights", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00062 return HxImageRep();
00063 }
00064 if (im1.signature().imageDimensionality() > 2)
00065 {
00066 if (im1.sizes().z() != im2.sizes().z())
00067 {
00068 HxGlobalError::instance()->reportError(fname, "unequal image depths", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00069 return HxImageRep();
00070 }
00071 }
00072 return im1.binaryPixOp(im2, "leftShift");
00073 }
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1.2.12 written by Dimitri van Heesch,
© 1997-2001