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modified CvMat#snake_image to check sizes of alpha, beta, gamma when coeff_usage == CV_ARRAY

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ser1zw 2011-04-10 01:06:04 +09:00
parent 684692a80b
commit 2fb60d0380
2 changed files with 15 additions and 6 deletions
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17
ext/cvmat.cpp
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@ -4826,14 +4826,19 @@ rb_snake_image(int argc, VALUE *argv, VALUE self)
IplImage stub;
int i;
if (coeff == CV_VALUE) {
a = ALLOCA_N(float, 1);
a[0] = (float)NUM2DBL(alpha);
b = ALLOCA_N(float, 1);
b[0] = (float)NUM2DBL(beta);
c = ALLOCA_N(float, 1);
c[0] = (float)NUM2DBL(gamma);
float buff_a, buff_b, buff_c;
buff_a = (float)NUM2DBL(alpha);
buff_b = (float)NUM2DBL(beta);
buff_c = (float)NUM2DBL(gamma);
a = &buff_a;
b = &buff_b;
c = &buff_c;
}
else { // CV_ARRAY
if ((RARRAY_LEN(alpha) != length) ||
(RARRAY_LEN(beta) != length) ||
(RARRAY_LEN(gamma) != length))
rb_raise(rb_eArgError, "alpha, beta, gamma should be same size of points");
a = ALLOCA_N(float, length);
b = ALLOCA_N(float, length);
c = ALLOCA_N(float, length);

4
test/test_cvmat_imageprocessing.rb
View file

@ -1630,6 +1630,10 @@ class TestCvMat_imageprocessing < OpenCVTestCase
assert_raise(TypeError) {
mat.snake_image(points, alpha, arr_beta, gamma, size, term_criteria)
}
assert_raise(ArgumentError) {
mat.snake_image(points, arr_alpha[0 .. num_points / 2], arr_beta, arr_gamma, size, term_criteria)
}
end
end