LABEL

text (String | Function, required)

• The text of the label.
• If a string is provided for text, all the objects will have the same text.
• If an accessor function is provided, the function will be called to retrieve the text of each object.

color (String | Array | Function, optional)

• Default: [0, 0, 0, 255]
• The value can be hex code, color name, or color array [r, g, b, a] (each component is in the 0 - 255 range).
• If a color value (hex code, color name, or array) is provided, it is used as the global color for all objects.
• If a function is provided, it is called on each object to retrieve its color.

fontSize (Number | Function, optional)

• Default: 12
• If a number is provided for fontSize, all the labels will have the same font size.
• If an accessor function is provided, the function will be called to retrieve the font size of each label.

textAnchor (String | Function, optional)

• Default: middle

• The text anchor. Available options include 'start', 'middle' and 'end'.

• If a string is provided, it is used as the text anchor for all objects.

• If a function is provided, it is called on each object to retrieve its text anchor.

alignmentBaseline (String | Function, optional)

• Default: center The alignment baseline. Available options include 'top', 'center' and 'bottom'.
• If a string is provided, it is used as the alignment baseline for all objects.
• If a function is provided, it is called on each object to retrieve its alignment baseline.

angle (Number | Function, optional)

• Default: 0
• The rotating angle of each text label, in degrees.
• If a number is provided, it is used as the angle for all objects.
• If a function is provided, it is called on each object to retrieve its angle.