代码(Python3) class Solution: def computeArea(self, ax1: int, ay1: int, ax2: int, ay2: int, bx1: int, by1: int, bx2: int, by2: int) -> int: # x 表示矩形 x 方向相交长度。初始化为 0 ,表示不相交,方便后续处理 x: int = 0 # 如果 x 方向相交,则更新相交长度 if ax1 <= ...
cv2.rectangle(img,topleft, downright, color, 2)#线条 topleft=(300,100) downright=(500,300) color=(0,255,0)#蓝色 cv2.rectangle(img,topleft, downright, color, -1)#填充 cv2.imshow('juzicode',img) cv2.waitKey() 运行结果: 小结:本文介绍了如何在OpenCV图像中绘制直线、圆形、方形,用的比较...
To document your Python code, you can take advantage of several available tools. Before taking a look at some of them, it’s important to mention PEP 257, which describes conventions for Python’s docstrings. A docstring is typically a triple-quoted string that you write at the beginning of...
drawing = True self.start_point = (x, y) self.preview_mode = False elif event == cv2.EVENT_MOUSEMOVE and self.drawing: # 鼠标移动,实时显示当前区域框选 temp_img = self.image.copy() # 绘制已完成的区域 for i in range(len(self.boxes)): cv2.rectangle(temp_img, self.boxes[i][0],...
LeetCode 0836. Rectangle Overlap矩形重叠【Easy】【Python】【数学】 Problem LeetCode A rectangle is represented as a list[x1, y1, x2, y2], where(x1, y1)are the coordinates of its bottom-left corner, and(x2, y2)are the coordinates of its top-right corner. ...
LeetCode 0836. Rectangle Overlap矩形重叠【Easy】【Python】【数学】 Problem LeetCode A rectangle is represented as a list[x1, y1, x2, y2], where(x1, y1)are the coordinates of its bottom-left corner, and(x2, y2)are the coordinates of its top-right corner. ...
for j in range(m): if matrix[i][j] == '1': dp[j] += 1 else: dp[j] = 0 ans = max(ans, self.largestRectangleArea(dp)) return ans 动态规划 从每个为 1 的位置,我们可以计算当前位置上这样的矩形的面积: 高度尽量往上延伸(到上面第一个 0 或者边界) ...
def largestRectangleArea(self, heights: List[int]) -> int: def solve(l, r, d): if l >= r: return 0 if l == r-1: return heights[l] min_i = l min_h = heights[l] for i, h in enumerate(heights[1+l:r]): if h < min_h: ...
多线程调用OH_Drawing_CreateFontCollection崩溃 关于对relationalStore.RdbStore的使用问题:如何查询数据库,需要开一个子线程吗 ValuesBucket是否有可动态添加字段的方式 EGL绘制是否支持多线程?如何在多线程的场景下同时操作一块buffer进行图形绘制 解码后数据帧送显的三种方式 OpenGL无法正常渲染某些分辨率YUV数据 ...
12 -- 2:30 App Python小白刷LeetCode Day35 Reverse Bits 12 -- 1:15 App Python小白刷LeetCode Day43 Contains duplicate 8 -- 3:23 App Python小白刷LeetCode Day50 Palindrome Linked List 6 -- 1:12 App Python小白刷LeetCode Day83 Find All Numbers Disappeared in an Array 28 -- 1:34...