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00024 #include <classifiers/border_shrinker.h>
00025
00026 #include <fvutils/color/colorspaces.h>
00027 #include <fvutils/base/roi.h>
00028
00029 #include <models/scanlines/scanlinemodel.h>
00030 #include <models/color/colormodel.h>
00031
00032 #include <cstddef>
00033
00034 namespace firevision {
00035 #if 0
00036 }
00037 #endif
00038
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00052 BorderShrinker::BorderShrinker(unsigned int border_left, unsigned int border_right,
00053 unsigned int border_top, unsigned int border_bottom)
00054 : Shrinker()
00055 {
00056 src = NULL;
00057 this->border_left = border_left;
00058 this->border_right = border_right;
00059 this->border_top = border_top;
00060 this->border_bottom = border_bottom;
00061 }
00062
00063
00064
00065 BorderShrinker::~BorderShrinker()
00066 {
00067 }
00068
00069
00070
00071
00072
00073
00074 void
00075 BorderShrinker::shrink( ROI *roi )
00076 {
00077 unsigned int brdr;
00078
00079
00080 if (border_bottom > 0) {
00081 brdr = roi->image_height - border_bottom;
00082 if (roi->start.y >= brdr) {
00083 roi->height = 0;
00084 } else if ((roi->start.y + roi->height) > brdr) {
00085 roi->height -= (roi->start.y + roi->height) - brdr;
00086 }
00087 }
00088
00089
00090 if (border_top > 0) {
00091 brdr = border_top;
00092 if (roi->start.y <= brdr) {
00093 roi->height = 0;
00094 } else if ((roi->start.y + roi->height) < brdr) {
00095 roi->start.y = brdr;
00096 roi->height -= (roi->start.y + roi->height) - brdr;
00097 }
00098 }
00099
00100
00101 if (border_right > 0) {
00102 brdr = roi->image_width - border_right;
00103 if (roi->start.x >= brdr) {
00104 roi->width = 0;
00105 } else if ((roi->start.x + roi->width) > brdr) {
00106 roi->width -= (roi->start.x + roi->width) - brdr;
00107 }
00108 }
00109
00110
00111 if (border_left > 0) {
00112 brdr = border_left;
00113 if (roi->start.x <= brdr) {
00114 roi->width = 0;
00115 } else if ((roi->start.x + roi->width) < brdr) {
00116 roi->start.x = brdr;
00117 roi->width -= (roi->start.x + roi->width) - brdr;
00118 }
00119 }
00120
00121 }
00122
00123 }