Horus C++ Reference

Extend the domain of the image to the size of the background image. The image is put at the position indicated by begin. Points are treated as pixel coordinates (integers).

00013 {
00014     HxString fname("HxExtend");
00015 
00016     if (img.isNull())
00017     {
00018         HxGlobalError::instance()->reportError(fname, img.name(), "null image", HxGlobalError::HX_GE_INVALID);
00019         return HxImageRep();
00020     }
00021     if (background.isNull())
00022     {
00023         HxGlobalError::instance()->reportError(fname, background.name(), "null image", HxGlobalError::HX_GE_INVALID);
00024         return HxImageRep();
00025     }
00026 
00027     if (img.dimensionality() != background.dimensionality())
00028     {
00029         HxGlobalError::instance()->reportError(fname, "unequal image dimensionalities", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00030         return HxImageRep();
00031     }
00032     if (img.pixelDimensionality() != background.pixelDimensionality())
00033     {
00034         HxGlobalError::instance()->reportError(fname, "unequal pixel dimensionalities", HxGlobalError::HX_GE_UNEQUAL_IMAGES);
00035         return HxImageRep();
00036     }
00037 
00038     if (begin.x() < 0)
00039     {
00040         HxGlobalError::instance()->reportError(fname, "begin.x less then 0", HxGlobalError::HX_GE_INVALID);
00041         return HxImageRep();
00042     }
00043     if (begin.y() < 0)
00044     {
00045         HxGlobalError::instance()->reportError(fname, "begin.y less then 0", HxGlobalError::HX_GE_INVALID);
00046         return HxImageRep();
00047     }
00048     if (begin.z() < 0)
00049     {
00050         HxGlobalError::instance()->reportError(fname, "begin.z less then 0", HxGlobalError::HX_GE_INVALID);
00051         return HxImageRep();
00052     }
00053     if ((begin.x() + img.sizes().x()) > background.sizes().x())
00054     {
00055         HxGlobalError::instance()->reportError(fname, "x size of extend too large", HxGlobalError::HX_GE_INVALID);
00056         return HxImageRep();
00057     }
00058     if ((begin.y() + img.sizes().y()) > background.sizes().y())
00059     {
00060         HxGlobalError::instance()->reportError(fname, "y size of extend too large", HxGlobalError::HX_GE_INVALID);
00061         return HxImageRep();
00062     }
00063     if ((img.dimensionality() > 2) && ((begin.z() + img.sizes().z()) > background.sizes().z()))
00064     {
00065         HxGlobalError::instance()->reportError(fname, "z size of extend too large", HxGlobalError::HX_GE_INVALID);
00066         return HxImageRep();
00067     }
00068 
00069     return img.extend(background, begin);
00070 }

Functions
HxImageRep L_HXIMAGEREP	HxExtend (HxImageRep img, HxImageRep background, HxPoint begin)
	Extension of domain. More...

HxExtend.h File Reference

Functions

Detailed Description

Function Documentation