feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试
2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程
3.重整权利声明文件，重整代码工程，确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c

3rdparty/opencv-4.5.4/modules/gapi/perf/render/gapi_render_perf_tests_ocv.cpp

@@ -0,0 +1,95 @@
+// 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) 2020 Intel Corporation
+
+
+#include "../perf_precomp.hpp"
+#include "../common/gapi_render_perf_tests.hpp"
+
+#define RENDER_OCV cv::gapi::render::ocv::kernels()
+
+namespace opencv_test
+{
+
+#ifdef HAVE_FREETYPE
+INSTANTIATE_TEST_CASE_P(RenderTestFTexts, RenderTestFTexts,
+                        Combine(Values(L"\xe4\xbd\xa0\xe5\xa5\xbd"),
+                                Values(szVGA, sz720p, sz1080p),
+                                Values(cv::Point(50, 50)),
+                                Values(60),
+                                Values(cv::Scalar(200, 100, 25)),
+                                Values(cv::compile_args(RENDER_OCV))));
+#endif // HAVE_FREETYPE
+
+INSTANTIATE_TEST_CASE_P(RenderTestTexts, RenderTestTexts,
+                        Combine(Values(std::string("Some text")),
+                                Values(szVGA, sz720p, sz1080p),
+                                Values(cv::Point(200, 200)),
+                                Values(FONT_HERSHEY_SIMPLEX),
+                                Values(cv::Scalar(0, 255, 0)),
+                                Values(2),
+                                Values(LINE_8),
+                                Values(false),
+                                Values(cv::compile_args(RENDER_OCV))));
+
+INSTANTIATE_TEST_CASE_P(RenderTestRects, RenderTestRects,
+                        Combine(Values(szVGA, sz720p, sz1080p),
+                                Values(cv::Rect(100, 100, 200, 200)),
+                                Values(cv::Scalar(100, 50, 150)),
+                                Values(2),
+                                Values(LINE_8),
+                                Values(0),
+                                Values(cv::compile_args(RENDER_OCV))));
+
+INSTANTIATE_TEST_CASE_P(RenderTestCircles, RenderTestCircles,
+                        Combine(Values(szVGA, sz720p, sz1080p),
+                                Values(cv::Point(100, 100)),
+                                Values(10),
+                                Values(cv::Scalar(100, 50, 150)),
+                                Values(2),
+                                Values(LINE_8),
+                                Values(0),
+                                Values(cv::compile_args(RENDER_OCV))));
+
+INSTANTIATE_TEST_CASE_P(RenderTestLines, RenderTestLines,
+                        Combine(Values(szVGA, sz720p, sz1080p),
+                                Values(cv::Point(100, 100)),
+                                Values(cv::Point(200, 200)),
+                                Values(cv::Scalar(100, 50, 150)),
+                                Values(2),
+                                Values(LINE_8),
+                                Values(0),
+                                Values(cv::compile_args(RENDER_OCV))));
+
+INSTANTIATE_TEST_CASE_P(RenderTestMosaics, RenderTestMosaics,
+                        Combine(Values(szVGA, sz720p, sz1080p),
+                                Values(cv::Rect(100, 100, 200, 200)),
+                                Values(25),
+                                Values(0),
+                                Values(cv::compile_args(RENDER_OCV))));
+
+INSTANTIATE_TEST_CASE_P(RenderTestImages, RenderTestImages,
+                        Combine(Values(szVGA, sz720p, sz1080p),
+                                Values(cv::Rect(50, 50, 100, 100)),
+                                Values(cv::Scalar(100, 150, 60)),
+                                Values(1.0),
+                                Values(cv::compile_args(RENDER_OCV))));
+
+INSTANTIATE_TEST_CASE_P(RenderTestPolylines, RenderTestPolylines,
+                        Combine(Values(szVGA, sz720p, sz1080p),
+                                Values(std::vector<cv::Point>{{100, 100}, {200, 200}, {150, 300}, {400, 150}}),
+                                Values(cv::Scalar(100, 150, 60)),
+                                Values(2),
+                                Values(LINE_8),
+                                Values(0),
+                                Values(cv::compile_args(RENDER_OCV))));
+
+INSTANTIATE_TEST_CASE_P(RenderTestPolyItems, RenderTestPolyItems,
+                        Combine(Values(szVGA, sz720p, sz1080p),
+                                Values(50),
+                                Values(50),
+                                Values(50),
+                                Values(cv::compile_args(RENDER_OCV))));
+}