Example explanation-03-text_drawing drawing text

This example is 03-Drawing-text_drawing.py

# 绘制文字
#
# 这个例子展示了如何使用OpenMV内置的写字功能。
import sensor
import time
from random import randint

sensor.reset()
sensor.set_pixformat(sensor.RGB565)  # or GRAYSCALE...
sensor.set_framesize(sensor.QVGA)  # or QQVGA...
sensor.skip_frames(time=2000)
clock = time.clock()

while True:
    clock.tick()

    img = sensor.snapshot()

    for i in range(10):
        x = randint(0, 2 * img.width()) - img.width() // 2
        y = randint(0, 2 * img.height()) - img.height() // 2

        r = randint(0, 127) + 128
        g = randint(0, 127) + 128
        b = randint(0, 127) + 128

        # 如果第一个参数是scaler，那么这个方法就需要传递x、y和text。
        # 否则，它需要传递一个(x,y,text)元组

        # 字符和字符串可以在0、90、180、270等度进行旋转
        img.draw_string(
            x,
            y,
            "Hello World!",
            color=(r, g, b),
            scale=2,
            mono_space=False,
            char_rotation=0,
            char_hmirror=False,
            char_vflip=False,
            string_rotation=0,
            string_hmirror=False,
            string_vflip=False,
        )

    print(clock.fps())

Running effect diagram:

Singtown Technology OpenMV official Chinese document function explanation: