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Added min/max formatter to DisplayLineGraph() #893

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Added min/max formatter to DisplayLineGraph() #893

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7 changes: 4 additions & 3 deletions library/lcd/lcd_comm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -380,7 +380,8 @@ def DisplayLineGraph(self, x: int, y: int, width: int, height: int,
axis_font: str = "./res/fonts/roboto/Roboto-Black.ttf",
axis_font_size: int = 10,
background_color: Color = (255, 255, 255),
background_image: Optional[str] = None):
background_image: Optional[str] = None,
axis_minmax_format: str = "{:0.0f}"):
# Generate a plot graph and display it
# Provide the background image path to display plot graph with transparent background

Expand Down Expand Up @@ -451,13 +452,13 @@ def DisplayLineGraph(self, x: int, y: int, width: int, height: int,

# Draw Legend
draw.line([0, 0, 1, 0], fill=axis_color)
text = f"{int(max_value)}"
text = axis_minmax_format.format(max_value)
ttfont = self.open_font(axis_font, axis_font_size)
_, top, right, bottom = ttfont.getbbox(text)
draw.text((2, 0 - top), text,
font=ttfont, fill=axis_color)

text = f"{int(min_value)}"
text = axis_minmax_format.format(min_value)
_, top, right, bottom = ttfont.getbbox(text)
draw.text((width - 1 - right, height - 2 - bottom), text,
font=ttfont, fill=axis_color)
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