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upmerged pull req #2974 to master - added more jpeg options to imgcodecs

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This commit is contained in:
Sergey Nikulov
2014-07-21 18:56:35 +04:00
parent 9e3124a1c9
commit bd144cfa64
4 changed files with 76 additions and 8 deletions
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25
modules/imgcodecs/test/test_grfmt.cpp
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@@ -433,6 +433,31 @@ TEST(Imgcodecs_Jpeg, encode_decode_optimize_jpeg)
remove(output_optimized.c_str());
}
TEST(Imgcodecs_Jpeg, encode_decode_rst_jpeg)
{
cvtest::TS& ts = *cvtest::TS::ptr();
string input = string(ts.get_data_path()) + "../cv/shared/lena.png";
cv::Mat img = cv::imread(input);
ASSERT_FALSE(img.empty());
std::vector<int> params;
params.push_back(IMWRITE_JPEG_RST_INTERVAL);
params.push_back(1);
string output_rst = cv::tempfile(".jpg");
EXPECT_NO_THROW(cv::imwrite(output_rst, img, params));
cv::Mat img_jpg_rst = cv::imread(output_rst);
string output_normal = cv::tempfile(".jpg");
EXPECT_NO_THROW(cv::imwrite(output_normal, img));
cv::Mat img_jpg_normal = cv::imread(output_normal);
EXPECT_EQ(0, cvtest::norm(img_jpg_rst, img_jpg_normal, NORM_INF));
remove(output_optimized.c_str());
}
#endif