100 lines
2.5 KiB
Python
100 lines
2.5 KiB
Python
import sys
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import cv2
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import numpy as np
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from json import load
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from os.path import exists, basename
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from common import image_resize, display, read_json
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holeConstant = .0156862745 # 160/10200
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# use top left, top right, bottom left
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def apply_image_to_points (original, target, points) :
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rows, cols, ch = original.shape
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ir, ic, ich = target.shape
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print('Using points: ')
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print(points)
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atPts = np.float32(points)
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targetPts = np.float32([[0, 0], [ic, 0], [0, ir]])
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M = cv2.getAffineTransform(targetPts, atPts)
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dst = cv2.warpAffine(target, M, (cols, rows), borderMode=cv2.BORDER_TRANSPARENT)
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output = original.copy()
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output[0:rows, 0:cols] = dst
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return output
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def create_blank(width, height):
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rgb_color=(255,255,255)
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image = np.zeros((height, width, 3), np.uint8)
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color = tuple(reversed(rgb_color))
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image[:] = color
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gray = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
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return cv2.cvtColor(gray, cv2.COLOR_GRAY2RGB)
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# get points 0, 1 and 3 = top left, top right and bottom left
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def to_points (d) :
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return ((d['0']['x'], d['0']['y']),(d['1']['x'], d['1']['y']),(d['3']['x'], d['3']['y']),)
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if len(sys.argv) < 2 :
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print('Please provide an output destination file')
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exit(1)
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outputFile = sys.argv[1]
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if len(sys.argv) < 3:
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print('Please provide a calibration template to apply images to')
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exit(2)
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templateFile = sys.argv[2]
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if not exists(templateFile) :
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print('Calibration template does not exist, please provide one that does')
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exit(3)
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if len(sys.argv) < 4:
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print('Please provide at least one image to apply')
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exit(4)
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if len(sys.argv) > 7:
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print('Please provide maximum four images to apply')
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exit(5)
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images = []
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for i in range(3, len(sys.argv)):
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imagePath = sys.argv[i]
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if not exists(imagePath) :
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print(f'Image {imagePath} does not exist, exiting...')
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exit(6)
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images.append(imagePath)
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print('Using images: ')
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for img in images:
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print(f' -> {basename(img)}')
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tmpl = read_json(templateFile)
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print(f"Image size {tmpl['width']}x{tmpl['height']}")
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hole = round(tmpl['width'] * holeConstant)
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#blank = create_blank(tmpl['width'], tmpl['height'])
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output = cv2.imread(templateFile.replace('.calibration.json', ''))#blank.copy()
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hp = tmpl['holePunches']
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for i in hp:
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print(hp[i])
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cv2.circle(output, (hp[i]['x'], hp[i]['y'],), hole, (0, 0, 0,), -1)
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#cv2.imwrite(outputFile, output)
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for i in range(0, len(images)) :
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frame = cv2.imread(images[i])
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output = apply_image_to_points(output, frame, to_points(tmpl[f'{i}']))
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print(f'Applied {basename(images[i])}')
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cv2.imwrite(outputFile, output)
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print(f'Wrote {outputFile}')
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