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// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2018 Intel Corporation
#include "../test_precomp.hpp"
#ifdef HAVE_FREETYPE
#include <random>
#include <opencv2/core/utils/configuration.private.hpp>
#include "backends/render/ft_render.hpp"
namespace opencv_test
{
static std::string getFontPath()
{
static std::string path = cv::utils::getConfigurationParameterString("OPENCV_TEST_FREETYPE_FONT_PATH",
"/usr/share/fonts/truetype/wqy/wqy-microhei.ttc");
return path;
}
inline void RunTest(const std::string& font,
size_t num_iters,
size_t lower_char_code,
size_t upper_char_code)
{
cv::gapi::wip::draw::FTTextRender ftpr(font);
std::mt19937 gen{std::random_device()()};
std::uniform_int_distribution<int> dist(lower_char_code, upper_char_code);
std::uniform_int_distribution<int> dist_size(2, 200);
for (size_t i = 0; i < num_iters; ++i)
{
size_t text_size = dist_size(gen);
std::wstring text;
for (size_t j = 0; j < text_size; ++j)
{
wchar_t c = dist(gen);
text += c;
}
int fh = dist_size(gen);
int baseline = 0;
cv::Size size;
ASSERT_NO_THROW(size = ftpr.getTextSize(text, fh, &baseline));
cv::Mat bmp(size, CV_8UC1, cv::Scalar::all(0));
cv::Point org(0, bmp.rows - baseline);
ASSERT_NO_THROW(ftpr.putText(bmp, text, org, fh));
}
}
TEST(FTTextRenderTest, Smoke_Test_Ascii)
{
RunTest(getFontPath(), 2000, 32, 126);
}
TEST(FTTextRenderTest, Smoke_Test_Unicode)
{
RunTest(getFontPath(), 2000, 20320, 30000);
}
} // namespace opencv_test
#endif // HAVE_FREETYPE
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