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
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wangzhengyang
191
3rdparty/opencv-4.5.4/samples/python/drawing.py
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3rdparty/opencv-4.5.4/samples/python/drawing.py
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#!/usr/bin/env python
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'''
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This program demonstrates OpenCV drawing and text output functions by drawing different shapes and text strings
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Usage :
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python3 drawing.py
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Press any button to exit
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'''
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# Python 2/3 compatibility
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from __future__ import print_function
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import numpy as np
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import cv2 as cv
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# Drawing Lines
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def lines():
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for i in range(NUMBER*2):
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pt1, pt2 = [], []
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pt1.append(np.random.randint(x1, x2))
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pt1.append(np.random.randint(y1, y2))
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pt2.append(np.random.randint(x1, x2))
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pt2.append(np.random.randint(y1, y2))
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color = "%06x" % np.random.randint(0, 0xFFFFFF)
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color = tuple(int(color[i:i+2], 16) for i in (0, 2 ,4))
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arrowed = np.random.randint(0, 6)
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if (arrowed<3):
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cv.line(image, tuple(pt1), tuple(pt2), color, np.random.randint(1, 10), lineType)
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else:
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cv.arrowedLine(image, tuple(pt1), tuple(pt2), color, np.random.randint(1, 10), lineType)
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cv.imshow(wndname, image)
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if cv.waitKey(DELAY)>=0:
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return
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# Drawing Rectangle
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def rectangle():
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for i in range(NUMBER*2):
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pt1, pt2 = [], []
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pt1.append(np.random.randint(x1, x2))
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pt1.append(np.random.randint(y1, y2))
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pt2.append(np.random.randint(x1, x2))
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pt2.append(np.random.randint(y1, y2))
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color = "%06x" % np.random.randint(0, 0xFFFFFF)
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color = tuple(int(color[i:i+2], 16) for i in (0, 2 ,4))
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thickness = np.random.randint(-3, 10)
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marker = np.random.randint(0, 10)
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marker_size = np.random.randint(30, 80)
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if (marker > 5):
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cv.rectangle(image, tuple(pt1), tuple(pt2), color, max(thickness, -1), lineType)
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else:
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cv.drawMarker(image, tuple(pt1), color, marker, marker_size)
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cv.imshow(wndname, image)
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if cv.waitKey(DELAY)>=0:
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return
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# Drawing ellipse
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def ellipse():
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for i in range(NUMBER*2):
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center = []
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center.append(np.random.randint(x1, x2))
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center.append(np.random.randint(x1, x2))
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axes = []
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axes.append(np.random.randint(0, 200))
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axes.append(np.random.randint(0, 200))
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angle = np.random.randint(0, 180)
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color = "%06x" % np.random.randint(0, 0xFFFFFF)
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color = tuple(int(color[i:i+2], 16) for i in (0, 2 ,4))
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thickness = np.random.randint(-1, 9)
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cv.ellipse(image, tuple(center), tuple(axes), angle, angle-100, angle + 200, color, thickness, lineType)
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cv.imshow(wndname, image)
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if cv.waitKey(DELAY)>=0:
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return
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# Drawing Polygonal Curves
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def polygonal():
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for i in range(NUMBER):
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pt = [(0, 0)]*6
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pt = np.resize(pt, (2, 3, 2))
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pt[0][0][0] = np.random.randint(x1, x2)
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pt[0][0][1] = np.random.randint(y1, y2)
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pt[0][1][0] = np.random.randint(x1, x2)
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pt[0][1][1] = np.random.randint(y1, y2)
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pt[0][2][0] = np.random.randint(x1, x2)
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pt[0][2][1] = np.random.randint(y1, y2)
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pt[1][0][0] = np.random.randint(x1, x2)
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pt[1][0][1] = np.random.randint(y1, y2)
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pt[1][1][0] = np.random.randint(x1, x2)
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pt[1][1][1] = np.random.randint(y1, y2)
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pt[1][2][0] = np.random.randint(x1, x2)
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pt[1][2][1] = np.random.randint(y1, y2)
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color = "%06x" % np.random.randint(0, 0xFFFFFF)
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color = tuple(int(color[i:i+2], 16) for i in (0, 2 ,4))
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alist = []
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for k in pt[0]:
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alist.append(k)
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for k in pt[1]:
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alist.append(k)
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ppt = np.array(alist)
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cv.polylines(image, [ppt], True, color, thickness = np.random.randint(1, 10), lineType = lineType)
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cv.imshow(wndname, image)
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if cv.waitKey(DELAY) >= 0:
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return
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# fills an area bounded by several polygonal contours
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def fill():
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for i in range(NUMBER):
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pt = [(0, 0)]*6
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pt = np.resize(pt, (2, 3, 2))
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pt[0][0][0] = np.random.randint(x1, x2)
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pt[0][0][1] = np.random.randint(y1, y2)
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pt[0][1][0] = np.random.randint(x1, x2)
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pt[0][1][1] = np.random.randint(y1, y2)
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pt[0][2][0] = np.random.randint(x1, x2)
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pt[0][2][1] = np.random.randint(y1, y2)
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pt[1][0][0] = np.random.randint(x1, x2)
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pt[1][0][1] = np.random.randint(y1, y2)
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pt[1][1][0] = np.random.randint(x1, x2)
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pt[1][1][1] = np.random.randint(y1, y2)
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pt[1][2][0] = np.random.randint(x1, x2)
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pt[1][2][1] = np.random.randint(y1, y2)
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color = "%06x" % np.random.randint(0, 0xFFFFFF)
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color = tuple(int(color[i:i+2], 16) for i in (0, 2 ,4))
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alist = []
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for k in pt[0]:
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alist.append(k)
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for k in pt[1]:
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alist.append(k)
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ppt = np.array(alist)
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cv.fillPoly(image, [ppt], color, lineType)
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cv.imshow(wndname, image)
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if cv.waitKey(DELAY) >= 0:
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return
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# Drawing Circles
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def circles():
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for i in range(NUMBER):
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center = []
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center.append(np.random.randint(x1, x2))
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center.append(np.random.randint(x1, x2))
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color = "%06x" % np.random.randint(0, 0xFFFFFF)
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color = tuple(int(color[i:i+2], 16) for i in (0, 2 ,4))
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cv.circle(image, tuple(center), np.random.randint(0, 300), color, np.random.randint(-1, 9), lineType)
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cv.imshow(wndname, image)
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if cv.waitKey(DELAY) >= 0:
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return
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# Draws a text string
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def string():
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for i in range(NUMBER):
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org = []
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org.append(np.random.randint(x1, x2))
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org.append(np.random.randint(x1, x2))
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color = "%06x" % np.random.randint(0, 0xFFFFFF)
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color = tuple(int(color[i:i+2], 16) for i in (0, 2 ,4))
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cv.putText(image, "Testing text rendering", tuple(org), np.random.randint(0, 8), np.random.randint(0, 100)*0.05+0.1, color, np.random.randint(1, 10), lineType)
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cv.imshow(wndname, image)
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if cv.waitKey(DELAY) >= 0:
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return
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def string1():
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textsize = cv.getTextSize("OpenCV forever!", cv.FONT_HERSHEY_COMPLEX, 3, 5)
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org = (int((width - textsize[0][0])/2), int((height - textsize[0][1])/2))
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for i in range(0, 255, 2):
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image2 = np.array(image) - i
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cv.putText(image2, "OpenCV forever!", org, cv.FONT_HERSHEY_COMPLEX, 3, (i, i, 255), 5, lineType)
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cv.imshow(wndname, image2)
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if cv.waitKey(DELAY) >= 0:
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return
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if __name__ == '__main__':
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print(__doc__)
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wndname = "Drawing Demo"
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NUMBER = 100
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DELAY = 5
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width, height = 1000, 700
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lineType = cv.LINE_AA # change it to LINE_8 to see non-antialiased graphics
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x1, x2, y1, y2 = -width/2, width*3/2, -height/2, height*3/2
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image = np.zeros((height, width, 3), dtype = np.uint8)
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cv.imshow(wndname, image)
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cv.waitKey(DELAY)
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lines()
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rectangle()
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ellipse()
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polygonal()
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fill()
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circles()
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string()
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string1()
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cv.waitKey(0)
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cv.destroyAllWindows()
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