_e6)0dZddlmZddlmZmZmZddlm Z ddl m Z ddlm Z mZddlZddlZddlmZddlZdd lmZd ZGd d e j*ej,Zej.eej0_d Zej6j9D]D\ZZeeZeej@e<eej6ek(sJejBdek(rDJ [[[dZ$e ej0dZe ejJdZ%dZ&dZ'dZ(e ejRdZ)e ejTdZ*e ejVdZ+e ejXdZ,y#e"$r Z#YdZ#[#dZ#[#wwxYw)aImplementation of GLU Nurbs structure and callback methods Same basic pattern as seen with the gluTess* functions, just need to add some bookkeeping to the structure class so that we can keep the Python function references alive during the calling process. )GLU)platform converterswrapper) glustruct)lazy)arrayserrorN)PLATFORM) _configflags)GLUnurbsgluNewNurbsRenderergluNurbsCallbackgluNurbsCallbackDatagluNurbsCallbackDataEXT gluNurbsCurvegluNurbsSurface gluPwlCurveceZdZdZej ej ZiZe jede je jede je je je j ede je j"e j$ede je j"e je je j&ede je j"e j(ede je j"e je je j*ede je j"e j,ede je j"e je je j.ede je j"e j0ede je j"e je je j2ede j4ede je je j6ede ji Ze jde jde j de j$de j&de j(de j*de j,de j.de j0de j2de j4de j6di ZdZd dZd Z d Z!y) r aGLU Nurbs structure with oor and callback storage support IMPORTANT NOTE: the texture coordinate callback receives a raw ctypes data-pointer, as without knowing what type of evaluation is being done (1D or 2D) we cannot safely determine the size of the array to convert it. This is a limitation of the C implementation. To convert to regular data-pointer, just call yourNurb.ptrAsArray( ptr, size, arrays.GLfloatArray ) with the size of data you expect. N_justOOR_vec3_vec4_texcfd}|S)z#Just do OOR on the last argument...cD|ddj|dfz}|S)N)originalObject)argsfunctionselfs 5/usr/lib/python3/dist-packages/OpenGL/GLU/glunurbs.pygetOORz!GLUnurbs._justOOR..getOORhs09 3 3DH =??Dd$ $)r rr"s`` r!rzGLUnurbs._justOORfs % r#cfd}|S)zBConvert first arg to size-element array, do OOR on arg2 if presentcj|dtj}t|dkDrj |d}||S|S)Nr) ptrAsArrayr GLfloatArraylenr)rvecoorrr sizes r!r+zGLUnurbs._vec3..vecnsU//$q'$v/B/BCC4y1}))$q'2c++&r#r$)r rr-r+s``` r!rzGLUnurbs._vec3ls ' r#c&|j|dS)zSize-4 vector version...)r)r rs r!rzGLUnurbs._vec4vszz8Q((r#cfd}|S)zTexture coordinate callback NOTE: there is no way for *us* to tell what size the array is, you will get back a raw data-point, not an array, as you do for all other callback types!!! cvt|dkDr j|d}|d|S|dS)Nr'r)r*r)rr,rr s r!r,zGLUnurbs._tex..oorsB4y1}))$q'2a#//a**r#r$)r rr,s`` r!rz GLUnurbs._texys +  r#))"__name__ __module__ __qualname____doc__r functionTypeForr FUNCTION_TYPECALLBACK_FUNCTION_REGISTRARS_simpleGLU_NURBS_BEGINGLenumGLU_NURBS_BEGIN_DATActypesPOINTERGLvoidGLU_NURBS_VERTEXGLfloatGLU_NURBS_VERTEX_DATAGLU_NURBS_NORMALGLU_NURBS_NORMAL_DATAGLU_NURBS_COLORGLU_NURBS_COLOR_DATAGLU_NURBS_TEXTURE_COORDGLU_NURBS_TEXTURE_COORD_DATA GLU_NURBS_ENDGLU_NURBS_END_DATAGLU_NURBS_ERRORCALLBACK_TYPESWRAPPER_METHODSrrrrr$r#r!r r s-H,,X\\:M$  '.."  $$m '...&.."@'    - .&..1#  %%} .&..1>6>>'..3Q(    - .&..1#  %%} .&..1>6>>'..3Q(   .&..1"  $$m .&..1>6>>'..3Q'  '' .&..1*  ,,m .&..1>6>>'..3Q/  m   ""M .&..0%   '..! M)NV $$j  '%%w  '%%w$$g'',,ft""JO ) r#r ctjtj}t j t tj|g|_|jd|k(sJ|S)z4Get gluNurbsCallback function with set last arg-typer) rcopyBaseFunctionr:rr>r?r r<argtypes)funcTyperesults r!_callbackWithTyperTsT''  F~~h/JFO ??2 ( ** * Mr#rc&|j||S)z,Dispatch to the nurb's addCallback operation) addCallback)nurbwhich CallBackFuncs r!rrs   UL 22r#c|}|d}|S)zAReturn a new nurbs renderer for the system (dereferences pointer)rr$) baseFunctionnewSetnews r!rrs^F )C Jr#c2|||j|Sz6Note the Python object for use as userData by the nurb noteObjectr[rWuserDatas r!rr  doox) r#c |dkrtj|d||tkDr!tj|dtd||d|zkr!tjd|d|dd|zy ) zCheck that order is valid...r'z should be 1 or more, is z should be z or less, is zKnotcount must be at least 2x z is z should be at least N)r GLUError MAX_ORDER)order knotCountnames r! checkOrderrms} qynn26u >    nn37E J   ag nnQUW`bcdibi j   r#c~t|r2|d}|ddD]$}||ks tj|d|d|yy)z'Check that knots are in ascending orderrr'Nz has decreasing knot z after )r*r rh)knotsrlknotnexts r! checkKnotsrrsN 5zQx!"I Dd{nn?CT4Q r#c2|||j|Sr_r`rbs r!rrrdr#c tjj|}tjj|}tjj|} tjj |\}}||z } tjrt| |dt|d||||||| |S#t $r}t jdd}~wwxYw)zaPythonic version of gluNurbsCurve Calculates knotCount, stride, and order automatically z"Need a 2-dimensional control arrayNzorder of NURBS curvezknots of NURBS curve r r)asArray arraySize dimensions ValueErrorr rhr ERROR_CHECKINGrmrr) r[rWrocontroltyperklengthsteperrrjs r!rrs    ' ' 0E##--u6I!!))74GI))44g? t  E""E9&<=E12  igud  InnFHHIs"B== C CC ctjj|}tjj|}tjj|}tjj|}tjj|} tjj |\}} } ||z } || z } | | z}| }tjr2t| |dt| |dt|dt|d|| z || z z|| zk(s t jd||||||||| | | |||||||||| | | }|S#t $r} t jdd} ~ wwxYw)zcPythonic version of gluNurbsSurface Calculates knotCount, stride, and order automatically z"Need a 3-dimensional control arrayNzsOrder of NURBS surfaceztOrder of NURBS surfacezsKnots of NURBS surfaceztKnots of NURBS surfacezInvalid NURB structureru)r[rWsKnotstKnotsr{r| sKnotCount tKnotCountr}widthr~rsOrdertOrdersStridetStriderSs r!rrs  ( (& 2F$$..8J  ( (& 2F$$..8J!!))74GI"//::GEuT& F % FDjGG""FJ(ABFJ(ABF56F56 v  6 1 2fUl Bnn ( *fj& Wg 6     j&*f'v F M5 InnFHHIs#E E;!E66E;c&tjj|}|tjk(rd}n$|tj k(rd}nt d|ztjj|}t||z}||||||S)zgluPwlCurve -- piece-wise linear curve within GLU context data -- the data-array type -- determines number of elements/data-point rgr2zUnrecognised type constant: %s) r r)rvr:GLU_MAP1_TRIM_2GLU_MAP_TRIM_3ryrwint)r[rWdatar|divisorr-s r!rrs    & & .D w&&& '' '>EFF    ( ($ 0D tW} D tT7D ::r#)-r6 OpenGL.rawrr:OpenGLrrr OpenGL.GLUrOpenGL.lazywrapperr_lazyr r r>weakrefOpenGL.platformr r __all__ GLUStructr r?rrestyperTrMitemscrRcbr9rQ NameErrorrrrrirmrrrrrrr$r#r!rs &00 , $  hy""G$4$4hV'5fnnh&@#++113'LQx H &B13H))1. x..q1 11 1 ;;r?h && & '   "h3##%&$$&'    '')*  (!'"'R;;m  s'FFF