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Diffstat (limited to 'tesseract/unittest/osd_test.cc')
| -rw-r--r-- | tesseract/unittest/osd_test.cc | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/tesseract/unittest/osd_test.cc b/tesseract/unittest/osd_test.cc new file mode 100644 index 00000000..5100a6f9 --- /dev/null +++ b/tesseract/unittest/osd_test.cc @@ -0,0 +1,133 @@ +/////////////////////////////////////////////////////////////////////// +// File: osd_test.cc +// Description: OSD Tests for Tesseract. +// Author: ShreeDevi Kumar +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +/////////////////////////////////////////////////////////////////////// + +// based on https://gist.github.com/amitdo/7c7a522004dd79b398340c9595b377e1 + +// expects clones of tessdata, tessdata_fast and tessdata_best repos + +//#include "log.h" +#include <iostream> +#include <memory> // std::unique_ptr +#include <string> +#include <tesseract/baseapi.h> +#include "include_gunit.h" +#include "allheaders.h" + +namespace tesseract { + +class TestClass : public testing::Test { + protected: +}; + +#ifndef DISABLED_LEGACY_ENGINE +static void OSDTester(int expected_deg, const char* imgname, const char* tessdatadir) { + // log.info() << tessdatadir << " for image: " << imgname << std::endl; + std::unique_ptr<tesseract::TessBaseAPI> api(new tesseract::TessBaseAPI()); + ASSERT_FALSE(api->Init(tessdatadir, "osd")) + << "Could not initialize tesseract."; + Pix* image = pixRead(imgname); + ASSERT_TRUE(image != nullptr) << "Failed to read test image."; + api->SetImage(image); + int orient_deg; + float orient_conf; + const char* script_name; + float script_conf; + bool detected = api->DetectOrientationScript(&orient_deg, &orient_conf, + &script_name, &script_conf); + ASSERT_FALSE(!detected) << "Failed to detect OSD."; + printf( + "************ Orientation in degrees: %d, Orientation confidence: %.2f\n" + " Script: %s, Script confidence: %.2f\n", + orient_deg, orient_conf, script_name, script_conf); + EXPECT_EQ(expected_deg, orient_deg); + api->End(); + pixDestroy(&image); +} +#endif + +class OSDTest : public TestClass, + public ::testing::WithParamInterface< + std::tuple<int, const char*, const char*>> {}; + +TEST_P(OSDTest, MatchOrientationDegrees) { +#ifdef DISABLED_LEGACY_ENGINE + // Skip test because TessBaseAPI::DetectOrientationScript is missing. + GTEST_SKIP(); +#else + OSDTester(std::get<0>(GetParam()), std::get<1>(GetParam()), + std::get<2>(GetParam())); +#endif +} + +INSTANTIATE_TEST_SUITE_P( + TessdataEngEuroHebrew, OSDTest, + ::testing::Combine(::testing::Values(0), + ::testing::Values(TESTING_DIR "/phototest.tif", + TESTING_DIR "/eurotext.tif", + TESTING_DIR "/hebrew.png"), + ::testing::Values(TESSDATA_DIR))); + +INSTANTIATE_TEST_SUITE_P( + TessdataBestEngEuroHebrew, OSDTest, + ::testing::Combine(::testing::Values(0), + ::testing::Values(TESTING_DIR "/phototest.tif", + TESTING_DIR "/eurotext.tif", + TESTING_DIR "/hebrew.png"), + ::testing::Values(TESSDATA_DIR "_best"))); + +INSTANTIATE_TEST_SUITE_P( + TessdataFastEngEuroHebrew, OSDTest, + ::testing::Combine(::testing::Values(0), + ::testing::Values(TESTING_DIR "/phototest.tif", + TESTING_DIR "/eurotext.tif", + TESTING_DIR "/hebrew.png"), + ::testing::Values(TESSDATA_DIR "_fast"))); + +INSTANTIATE_TEST_SUITE_P( + TessdataFastRotated90, OSDTest, + ::testing::Combine(::testing::Values(90), + ::testing::Values(TESTING_DIR + "/phototest-rotated-R.png"), + ::testing::Values(TESSDATA_DIR "_fast"))); + +INSTANTIATE_TEST_SUITE_P( + TessdataFastRotated180, OSDTest, + ::testing::Combine(::testing::Values(180), + ::testing::Values(TESTING_DIR + "/phototest-rotated-180.png"), + ::testing::Values(TESSDATA_DIR "_fast"))); + +INSTANTIATE_TEST_SUITE_P( + TessdataFastRotated270, OSDTest, + ::testing::Combine(::testing::Values(270), + ::testing::Values(TESTING_DIR + "/phototest-rotated-L.png"), + ::testing::Values(TESSDATA_DIR "_fast"))); + +INSTANTIATE_TEST_SUITE_P( + TessdataFastDevaRotated270, OSDTest, + ::testing::Combine(::testing::Values(270), + ::testing::Values(TESTING_DIR + "/devatest-rotated-270.png"), + ::testing::Values(TESSDATA_DIR "_fast"))); + +INSTANTIATE_TEST_SUITE_P( + TessdataFastDeva, OSDTest, + ::testing::Combine(::testing::Values(0), + ::testing::Values(TESTING_DIR "/devatest.png"), + ::testing::Values(TESSDATA_DIR "_fast"))); + +} // namespace |