Both windows and pixmaps can be used as sources and destinations in graphics operations. These are collectively known as drawables. The following functions apply to both windows and pixmaps.
| drawable-display | drawable | Function |
Returns the display for the specified drawable. |
| drawable-equal | drawable-1 drawable-2 | Function |
Returns true if the two arguments refer to the same server resource, and nil if they do not. |
| drawable-id | drawable | Function |
Returns the unique resource ID assigned to the specified drawable.
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| drawable-p | drawable | Function |
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Returns true if the argument is a drawable and nil otherwise.
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| drawable-plist | drawable | Function |
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Returns and (with setf) sets the property list for the specified drawable. This function provides a hook where extensions can add data.
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