20 lines
398 B
C++
20 lines
398 B
C++
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#include "edge_prewitt.h"
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EdgePrewitt::EdgePrewitt(PNM*img) :
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EdgeGradient(img)
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{
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prepareMatrices();
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}
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EdgePrewitt::EdgePrewitt(PNM*img, ImageViewer* iv) :
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EdgeGradient(img, iv)
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{
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prepareMatrices();
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}
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void EdgePrewitt::prepareMatrices()
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{
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g_x = math::matrix<float>(3, 3, {-1, 0, 1, -1, 0, 1, -1, 0, 1});
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g_y = math::matrix<float>(3, 3, {-1, -1, -1, 0, 0, 0, 1, 1, 1});
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}
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