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fixed build errors on Mac; moved test for #2332 from imgproc to highgui

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This commit is contained in:
Vadim Pisarevsky
2012-10-15 13:55:32 +04:00
parent 460644b8a4
commit 78a0b9787c
3 changed files with 30 additions and 26 deletions
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28
modules/highgui/test/test_grfmt.cpp
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@@ -255,3 +255,31 @@ public:
TEST(Highgui_Image, encode_png) { CV_GrfmtPNGEncodeTest test; test.safe_run(); }
#endif
#ifdef HAVE_JPEG
TEST(Highgui_ImreadVSCvtColor, regression)
{
cvtest::TS& ts = *cvtest::TS::ptr();
const int MAX_MEAN_DIFF = 3;
const int MAX_ABS_DIFF = 10;
string imgName = string(ts.get_data_path()) + "/../cv/shared/lena.jpg";
Mat original_image = imread(imgName);
Mat gray_by_codec = imread(imgName, 0);
Mat gray_by_cvt;
cvtColor(original_image, gray_by_cvt, CV_BGR2GRAY);
Mat diff;
absdiff(gray_by_codec, gray_by_cvt, diff);
double actual_avg_diff = (double)mean(diff)[0];
double actual_maxval, actual_minval;
minMaxLoc(diff, &actual_minval, &actual_maxval);
EXPECT_LT(actual_avg_diff, MAX_MEAN_DIFF);
EXPECT_LT(actual_maxval, MAX_ABS_DIFF);
}
#endif