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