SetImageBorderWidth — Set the width for the image border
$plot->SetImageBorderWidth($width
)
SetImageBorderWidth
sets the width of an image border,
if enabled by SetImageBorderType.
Use SetImageBorderType to enable the border. Use SetImageBorderColor to set the border color.
By default, the image border width is 1 pixel for a 'solid' or 'plain' border type, and 2 pixels for a 'raised' border type.
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