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main.py
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main.py
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import copy
import cv2 as cv
from utils import convert
if __name__ == '__main__':
"""
使用说明:
修改img_path 选择自定义图片
修改content为自定义内容
按住鼠标左键开始画框,松开左键会显示内容所在的位置(write_content方法中可以选择是否显示矩形框),按下q键退出
按下右击并按任意键可重新画框
"""
# 获得要放置文字的矩形
# 知道自己要放置的子的个数
# 按照1:字个数 找矩形,两种可能
# # 按照矩形长为长边比例
# # 按照矩形的短边比例
# 计算文字宽度的像素值,并转换为字号
# 求坐标
param = [[], [], False]
img_path = "images/pyq2.png"
image = cv.imread(img_path)
window_name = "rectangle"
content = "机器人爱好者协会"
cv.namedWindow(window_name)
cv.imshow(window_name, image)
cv.waitKey(1)
cv.setMouseCallback(window_name, convert.on_mouse_action, param)
while True:
print(param)
new_image = copy.deepcopy(image)
if param[0] and param[1]:
cv.rectangle(new_image, param[0], param[1], (255, 0, 0), 2)
cv.imshow(window_name, new_image)
if cv.waitKey(1) & 0xFF == ord('q'):
break
if param[2]:
new_image = convert.write_content(content, param[0], param[1], copy.deepcopy(image))
cv.imshow(window_name, new_image)
if cv.waitKey(0) & 0xFF == ord('q'):
break
cv.destroyAllWindows()