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/samples/python/tutorial_code/imgProc/BasicGeometricDrawing/basic_geometric_drawing.py

@@ -0,0 +1,115 @@
+import cv2 as cv
+import numpy as np
+
+W = 400
+## [my_ellipse]
+def my_ellipse(img, angle):
+    thickness = 2
+    line_type = 8
+
+    cv.ellipse(img,
+                (W // 2, W // 2),
+                (W // 4, W // 16),
+                angle,
+                0,
+                360,
+                (255, 0, 0),
+                thickness,
+                line_type)
+## [my_ellipse]
+## [my_filled_circle]
+def my_filled_circle(img, center):
+    thickness = -1
+    line_type = 8
+
+    cv.circle(img,
+               center,
+               W // 32,
+               (0, 0, 255),
+               thickness,
+               line_type)
+## [my_filled_circle]
+## [my_polygon]
+def my_polygon(img):
+    line_type = 8
+
+    # Create some points
+    ppt = np.array([[W / 4, 7 * W / 8], [3 * W / 4, 7 * W / 8],
+                    [3 * W / 4, 13 * W / 16], [11 * W / 16, 13 * W / 16],
+                    [19 * W / 32, 3 * W / 8], [3 * W / 4, 3 * W / 8],
+                    [3 * W / 4, W / 8], [26 * W / 40, W / 8],
+                    [26 * W / 40, W / 4], [22 * W / 40, W / 4],
+                    [22 * W / 40, W / 8], [18 * W / 40, W / 8],
+                    [18 * W / 40, W / 4], [14 * W / 40, W / 4],
+                    [14 * W / 40, W / 8], [W / 4, W / 8],
+                    [W / 4, 3 * W / 8], [13 * W / 32, 3 * W / 8],
+                    [5 * W / 16, 13 * W / 16], [W / 4, 13 * W / 16]], np.int32)
+    ppt = ppt.reshape((-1, 1, 2))
+    cv.fillPoly(img, [ppt], (255, 255, 255), line_type)
+    # Only drawind the lines would be:
+    # cv.polylines(img, [ppt], True, (255, 0, 255), line_type)
+## [my_polygon]
+## [my_line]
+def my_line(img, start, end):
+    thickness = 2
+    line_type = 8
+
+    cv.line(img,
+             start,
+             end,
+             (0, 0, 0),
+             thickness,
+             line_type)
+## [my_line]
+## [create_images]
+# Windows names
+atom_window = "Drawing 1: Atom"
+rook_window = "Drawing 2: Rook"
+
+# Create black empty images
+size = W, W, 3
+atom_image = np.zeros(size, dtype=np.uint8)
+rook_image = np.zeros(size, dtype=np.uint8)
+## [create_images]
+## [draw_atom]
+# 1. Draw a simple atom:
+# -----------------------
+
+# 1.a. Creating ellipses
+my_ellipse(atom_image, 90)
+my_ellipse(atom_image, 0)
+my_ellipse(atom_image, 45)
+my_ellipse(atom_image, -45)
+
+# 1.b. Creating circles
+my_filled_circle(atom_image, (W // 2, W // 2))
+## [draw_atom]
+## [draw_rook]
+
+# 2. Draw a rook
+# ------------------
+# 2.a. Create a convex polygon
+my_polygon(rook_image)
+## [rectangle]
+# 2.b. Creating rectangles
+cv.rectangle(rook_image,
+              (0, 7 * W // 8),
+              (W, W),
+              (0, 255, 255),
+              -1,
+              8)
+## [rectangle]
+
+#  2.c. Create a few lines
+my_line(rook_image, (0, 15 * W // 16), (W, 15 * W // 16))
+my_line(rook_image, (W // 4, 7 * W // 8), (W // 4, W))
+my_line(rook_image, (W // 2, 7 * W // 8), (W // 2, W))
+my_line(rook_image, (3 * W // 4, 7 * W // 8), (3 * W // 4, W))
+## [draw_rook]
+cv.imshow(atom_window, atom_image)
+cv.moveWindow(atom_window, 0, 200)
+cv.imshow(rook_window, rook_image)
+cv.moveWindow(rook_window, W, 200)
+
+cv.waitKey(0)
+cv.destroyAllWindows()