Padding adds space around the current raster. Each side is a non-negative integer, and at least one side must be greater than zero.
Transparent padding
{ "type": "padding", "top": 24, "right": 24, "bottom": 24, "left": 24, "background": { "transparent": true }}Color padding
Use a six-digit hexadecimal color with an optional alpha value:
{ "type": "padding", "top": 16, "right": 24, "bottom": 16, "left": 24, "background": { "color": "#F5F1E8", "alpha": 255 }}The transparent form cannot be combined with color or alpha. If you need a solid background before writing JPEG, add padding and then convert to JPEG.