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added test for 4 channel tiff

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This commit is contained in:
kobigurk 2013-02-12 11:21:51 +02:00
parent 7927ebf20e
commit 9f80c6c989
1 changed files with 30 additions and 0 deletions
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30
modules/highgui/test/test_grfmt.cpp
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@ -124,6 +124,36 @@ public:
ts->set_failed_test_info(ts->FAIL_MISMATCH);
}
}
if (ext == 3 /*TIFF*/)
{
/* 4 channels should stay 4 channels */
int num_channels = 4;
ts->printf(ts->LOG, "image type depth:%d channels:%d ext: %s\n", CV_8U,num_channels, ext_from_int(ext).c_str());
Mat img(img_r * k, img_c * k, CV_MAKETYPE(CV_8U, num_channels), Scalar::all(0));
circle(img, Point2i((img_c * k) / 2, (img_r * k) / 2), cv::min((img_r * k), (img_c * k)) / 4 , Scalar::all(255));
string img_path = cv::tempfile(ext_from_int(ext).c_str());
ts->printf(ts->LOG, "writing image : %s\n", img_path.c_str());
imwrite(img_path, img);
ts->printf(ts->LOG, "reading test image : %s\n", img_path.c_str());
Mat img_test = imread(img_path, CV_LOAD_IMAGE_UNCHANGED);
if (img_test.empty()) ts->set_failed_test_info(ts->FAIL_MISMATCH);
CV_Assert(img.size() == img_test.size());
CV_Assert(img.type() == img_test.type());
CV_Assert(img.channels() == 4);
double n = norm(img, img_test);
if ( n > 1.0)
{
ts->printf(ts->LOG, "norm = %f \n", n);
ts->set_failed_test_info(ts->FAIL_MISMATCH);
}
}
}
#ifdef HAVE_JPEG