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DrawingML objects provide access to formatting properties for shapes, charts, and other visual elements in PowerPoint presentations. These objects handle fill colors, line styles, and other visual attributes.

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Overview

The DrawingML API includes several core formatting classes:
  • ColorFormat - Access to color settings including RGB and theme colors
  • FillFormat - Fill properties for shapes (solid, gradient, pattern, etc.)
  • LineFormat - Line and border formatting properties
  • ChartFormat - Visual properties for chart elements

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ChartFormat

The ChartFormat object provides access to visual shape properties for chart elements like axes, series, and gridlines. 
from pptx import Presentation

prs = Presentation()
chart = prs.slides[0].shapes[0].chart

# Access chart element formatting
axis_format = chart.value_axis.format
axis_format.line.color.rgb = RGBColor(255, 0, 0)
axis_format.fill.solid()

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Properties

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fill
FillFormat
FillFormat instance for this object, providing access to fill properties such as fill color.
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line
LineFormat
LineFormat object providing access to visual properties such as line color and line style.
For detailed information about specific formatting objects, see:

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