Gets the surface of a surface pattern. The reference returned in surface is owned by the pattern; the caller should call Surface.reference if the surface is to be retained. Since 1.4
return value for surface of pattern, or NULL
CAIRO_STATUS_SUCCESS, or CAIRO_STATUS_PATTERN_TYPE_MISMATCH if the pattern is not a surface pattern.
Gets the surface of a surface pattern. The reference returned in surface is owned by the pattern; the caller should call Surface.reference if the surface is to be retained. Since 1.4