Go to the documentation of this file.00001 #include "EdgeDetection/MemoryImage.h"
00002
00003 namespace EdgeDetection
00004 {
00005 Image* RedByteGreenByteBlueByteMemoryImage::GetRegion(int left, int right, int top, int bottom)
00006 {
00007 if (left < 0 || left >= GetWidth()) throw "The parameter 'left' was out of range.";
00008 if (right < 0 || right >= GetWidth()) throw "The parameter 'right' was out of range.";
00009 if (top < 0 || top >= GetHeight()) throw "The parameter 'top' was out of range.";
00010 if (bottom < 0 || bottom >= GetHeight()) throw "The parameter 'bottom' was out of range.";
00011 if (right - left < 0) throw "The parameters 'left' and 'right' were out of range.";
00012 if (bottom - top < 0) throw "The parameters 'top' and 'bottom' were out of range.";
00013
00014 return new RedByteGreenByteBlueByteMemoryImage(right - left, bottom - top, ((unsigned char*)GetData()) + left * 3 + top * GetStride(), GetStride());
00015 }
00016 Image* GrayDoubleMemoryImage::GetRegion(int left, int right, int top, int bottom)
00017 {
00018 if (left < 0 || left >= GetWidth()) throw "The parameter 'left' was out of range.";
00019 if (right < 0 || right >= GetWidth()) throw "The parameter 'right' was out of range.";
00020 if (top < 0 || top >= GetHeight()) throw "The parameter 'top' was out of range.";
00021 if (bottom < 0 || bottom >= GetHeight()) throw "The parameter 'bottom' was out of range.";
00022 if (right - left < 0) throw "The parameters 'left' and 'right' were out of range.";
00023 if (bottom - top < 0) throw "The parameters 'top' and 'bottom' were out of range.";
00024
00025 return new GrayDoubleMemoryImage(right - left, bottom - top, ((double*)GetData()) + left * 1 + top * GetStride(), GetStride());
00026 }
00027 };
