oled · LCD screen

Displays text or images on the LCD screen.

Class: Oled OledByPiBrain

class openpibo.oled.Oled(w=128, h=64)

Bases: object

Functions: show() clear() set_font() draw_text() draw_image() draw_data() draw_rectangle() draw_ellipse() draw_line() invert() imshow()

Uses the OLED or LCD.

show()

Shows the oled screen.

If you do not use this method, nothing is shown on the oled screen even if you draw.

clear(image=True, fill=True, show=True)

Clears the oled screen.

Parameters:

• image (bool) – Whether to reset the image

• fill (bool) – Whether to reset the oled

• show (bool) – Whether to show on the screen

set_font(filename=None, size=None)

Sets the font and text size for draw_text.

Parameters:

• filename (str) – Font file path (ttf, otf)

• size (int) – Font size

draw_text(points, text: str)

Displays text (default font - supports Korean/English/Chinese/Japanese).

Parameters:

• points (tuple(int, int)) – Top-left coordinates of the text (x, y)

• text (str) – Text content

draw_image(filename)

Draws an image file. Only png files of size 128x64 are allowed.

Parameters:

filename (str) – Image file path

draw_data(img)

Draws image data (cv2).

Parameters:

img (numpy.ndarray) – Image object

draw_rectangle(points, fill=None)

Draws a rectangle.

Parameters:

• points (tuple) – Top-left and bottom-right coordinates of the rectangle (x1, y1, x2, y2)

• fill (bool) – Whether to fill

draw_ellipse(points, fill=None)

Draws an ellipse.

Parameters:

• points (tuple) – Top-left and bottom-right coordinates of the rectangle circumscribing the ellipse (x1, y1, x2, y2)

• fill (bool) – Whether to fill

draw_line(points)

Draws a straight line.

Parameters:

points (tuple) – Start and end coordinates of the line (x1, y1, x2, y2)

invert()

Inverts the screen.

imshow(img)

Shows image data (cv2) directly on the OLED.

Parameters:

img (numpy.ndarray) – Image object

class openpibo.oled.OledByPiBrain(w=240, h=320)

Bases: object

Functions: show() clear() set_font() draw_text() draw_image() draw_data() draw_rectangle() draw_ellipse() draw_line() imshow()

Uses the OLED or LCD.

show()

Shows the oled screen.

If you do not use this method, nothing is shown on the oled screen even if you draw.

clear(image=True, fill=True, show=True)

Clears the oled screen.

Parameters:

• image (bool) – Whether to reset the image

• fill (bool) – Whether to reset the oled

• show (bool) – Whether to show on the screen

set_font(filename=None, size=None)

Sets the font and text size for draw_text.

Parameters:

• filename (str) – Font file path (ttf, otf)

• size (int) – Font size

draw_text(points, text: str, colors=(255, 255, 255))

Displays text (default font - supports Korean/English/Chinese/Japanese).

Parameters:

• points (tuple(int, int)) – Top-left coordinates of the text (x, y)

• text (str) – Text content

draw_image(filename)

Draws an image file.

Parameters:

filename (str) – Image file path

draw_data(img)

Draws image data (cv2).

Parameters:

img (numpy.ndarray) – Image object

draw_rectangle(points, fill=None)

Draws a rectangle.

Parameters:

• points (tuple) – Top-left and bottom-right coordinates of the rectangle (x1, y1, x2, y2)

• fill (bool) – Whether to fill

draw_ellipse(points, fill=None)

Draws an ellipse.

Parameters:

• points (tuple) – Top-left and bottom-right coordinates of the rectangle circumscribing the ellipse (x1, y1, x2, y2)

• fill (bool) – Whether to fill

draw_line(points)

Draws a straight line.

Parameters:

points (tuple) – Start and end coordinates of the line (x1, y1, x2, y2)

imshow(img)

Shows image data (cv2) directly on the OLED.

Parameters:

img (numpy.ndarray) – Image object