_e1>dZddlZddlZddlmZmZGddeZy)z.Base class for GLU callback-caching structuresN)long integer_typescJeZdZdZdZeeZdZdZdZ dZ dZ dZ dZ y) GLUStructa.Mix-in class for GLU Structures that want to retain references to callbacks Also provides original-object-return for the "datapointer" style paremters Each sub-class must override: CALLBACK_TYPES -- maps a "which" constant to a function type CALLBACK_FUNCTION_REGISTRARS -- maps a "which" constant to the registration function for functions of that type WRAPPER_METHODS -- maps a "which" consant to a method of the structure that produces a callable around the function which takes care of input/output arguments, data conversions, error handling and the like. Creates a dictionary member dataPointers if original-object-return is used Creates a dictionary member callbacks if callback registration is used c,tj|S)z4Gets as a ctypes pointer to the underlying structure)ctypespointer)selfs 6/usr/lib/python3/dist-packages/OpenGL/GLU/glustruct.py getAsParamzGLUStruct.getAsParams~~t%%Nc|t|} ||j|<|S#t$r}||i|_Yd}~|Sd}~wwxYw)zNote object for later retrieval as a Python object pointer This is the registration point for "original object return", returns a void pointer to the Python object, though this is, effectively, an opaque value. N)id dataPointersAttributeError)r objectidentityerrs r noteObjectzGLUStruct.noteObjectsPf: 5,2D  x ) 5"*F 4D   5s ; 6;ct|tr|}n|y |j} |j|S#t$r}|d}Yd}~#d}~wwxYw#t tf$r }|cYd}~Sd}~wwxYw)z *(   s1 4A A AA A*A%A*%A*c|jj|}|std||jj|}|t |||}||} |j ||||t |ddi|_ ||j|<|S#t j$r}|xj||fz c_d}~wwxYw)z-Register a callback for this structure objectz*Don't have a registered callback type for N callbacks) CALLBACK_TYPESget ValueErrorWRAPPER_METHODSgetattrCALLBACK_FUNCTION_REGISTRARSr ArgumentErrorargsr)r whichfunction callbackType wrapperMethod cCallbackrs r addCallbackzGLUStruct.addCallback9s**..7   ,,00%9  $2wtM2H>H (,   4D - -e 4dE9 N D+t - 5DN"+##  HHy) )H  s$B C3C  CcZ|j|f}t|D] }||||< |S)z8Copy length values from ptr into new array of given type)zerosrange)r ptrlengthtyperesultis r ptrAsArrayzGLUStruct.ptrAsArrayRs7fY(v AAF1I  r )__name__ __module__ __qualname____doc__r property_as_parameter_rr#r!rrr+r4r r rrs<&z+NN#' O 2r r)r8rweakref OpenGL._bytesrrrrr;r r r>s4 -QQr