/
_potrace.c
10317 lines (9506 loc) · 421 KB
/
_potrace.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* Generated by Cython 0.13 on Fri Nov 19 14:29:46 2010 */
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifndef Py_PYTHON_H
#error Python headers needed to compile C extensions, please install development version of Python.
#else
#include <stddef.h> /* For offsetof */
#ifndef offsetof
#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
#ifndef __stdcall
#define __stdcall
#endif
#ifndef __cdecl
#define __cdecl
#endif
#ifndef __fastcall
#define __fastcall
#endif
#endif
#ifndef DL_IMPORT
#define DL_IMPORT(t) t
#endif
#ifndef DL_EXPORT
#define DL_EXPORT(t) t
#endif
#ifndef PY_LONG_LONG
#define PY_LONG_LONG LONG_LONG
#endif
#if PY_VERSION_HEX < 0x02040000
#define METH_COEXIST 0
#define PyDict_CheckExact(op) (Py_TYPE(op) == &PyDict_Type)
#define PyDict_Contains(d,o) PySequence_Contains(d,o)
#endif
#if PY_VERSION_HEX < 0x02050000
typedef int Py_ssize_t;
#define PY_SSIZE_T_MAX INT_MAX
#define PY_SSIZE_T_MIN INT_MIN
#define PY_FORMAT_SIZE_T ""
#define PyInt_FromSsize_t(z) PyInt_FromLong(z)
#define PyInt_AsSsize_t(o) PyInt_AsLong(o)
#define PyNumber_Index(o) PyNumber_Int(o)
#define PyIndex_Check(o) PyNumber_Check(o)
#define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
#endif
#if PY_VERSION_HEX < 0x02060000
#define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
#define Py_SIZE(ob) (((PyVarObject*)(ob))->ob_size)
#define PyVarObject_HEAD_INIT(type, size) \
PyObject_HEAD_INIT(type) size,
#define PyType_Modified(t)
typedef struct {
void *buf;
PyObject *obj;
Py_ssize_t len;
Py_ssize_t itemsize;
int readonly;
int ndim;
char *format;
Py_ssize_t *shape;
Py_ssize_t *strides;
Py_ssize_t *suboffsets;
void *internal;
} Py_buffer;
#define PyBUF_SIMPLE 0
#define PyBUF_WRITABLE 0x0001
#define PyBUF_FORMAT 0x0004
#define PyBUF_ND 0x0008
#define PyBUF_STRIDES (0x0010 | PyBUF_ND)
#define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
#define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
#define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
#define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
#endif
#if PY_MAJOR_VERSION < 3
#define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
#else
#define __Pyx_BUILTIN_MODULE_NAME "builtins"
#endif
#if PY_MAJOR_VERSION >= 3
#define Py_TPFLAGS_CHECKTYPES 0
#define Py_TPFLAGS_HAVE_INDEX 0
#endif
#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
#define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#if PY_MAJOR_VERSION >= 3
#define PyBaseString_Type PyUnicode_Type
#define PyStringObject PyUnicodeObject
#define PyString_Type PyUnicode_Type
#define PyString_Check PyUnicode_Check
#define PyString_CheckExact PyUnicode_CheckExact
#endif
#if PY_VERSION_HEX < 0x02060000
#define PyBytesObject PyStringObject
#define PyBytes_Type PyString_Type
#define PyBytes_Check PyString_Check
#define PyBytes_CheckExact PyString_CheckExact
#define PyBytes_FromString PyString_FromString
#define PyBytes_FromStringAndSize PyString_FromStringAndSize
#define PyBytes_FromFormat PyString_FromFormat
#define PyBytes_DecodeEscape PyString_DecodeEscape
#define PyBytes_AsString PyString_AsString
#define PyBytes_AsStringAndSize PyString_AsStringAndSize
#define PyBytes_Size PyString_Size
#define PyBytes_AS_STRING PyString_AS_STRING
#define PyBytes_GET_SIZE PyString_GET_SIZE
#define PyBytes_Repr PyString_Repr
#define PyBytes_Concat PyString_Concat
#define PyBytes_ConcatAndDel PyString_ConcatAndDel
#define PySet_Check(obj) PyObject_TypeCheck(obj, &PySet_Type)
#define PyFrozenSet_Check(obj) PyObject_TypeCheck(obj, &PyFrozenSet_Type)
#endif
#ifndef PySet_CheckExact
# define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type)
#endif
#if PY_MAJOR_VERSION >= 3
#define PyInt_Type PyLong_Type
#define PyInt_Check(op) PyLong_Check(op)
#define PyInt_CheckExact(op) PyLong_CheckExact(op)
#define PyInt_FromString PyLong_FromString
#define PyInt_FromUnicode PyLong_FromUnicode
#define PyInt_FromLong PyLong_FromLong
#define PyInt_FromSize_t PyLong_FromSize_t
#define PyInt_FromSsize_t PyLong_FromSsize_t
#define PyInt_AsLong PyLong_AsLong
#define PyInt_AS_LONG PyLong_AS_LONG
#define PyInt_AsSsize_t PyLong_AsSsize_t
#define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask
#define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
#endif
#if PY_MAJOR_VERSION >= 3
#define PyBoolObject PyLongObject
#endif
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y)
#define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y)
#else
#define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y)
#define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y)
#endif
#if PY_MAJOR_VERSION >= 3
#define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
#endif
#if PY_VERSION_HEX < 0x02050000
#define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),((char *)(n)))
#define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
#define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),((char *)(n)))
#else
#define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),(n))
#define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
#define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),(n))
#endif
#if PY_VERSION_HEX < 0x02050000
#define __Pyx_NAMESTR(n) ((char *)(n))
#define __Pyx_DOCSTR(n) ((char *)(n))
#else
#define __Pyx_NAMESTR(n) (n)
#define __Pyx_DOCSTR(n) (n)
#endif
#ifdef __cplusplus
#define __PYX_EXTERN_C extern "C"
#else
#define __PYX_EXTERN_C extern
#endif
#if defined(WIN32) || defined(MS_WINDOWS)
#define _USE_MATH_DEFINES
#endif
#include <math.h>
#define __PYX_HAVE_API__potrace___potrace
#include "potracelib.h"
#include "stdio.h"
#include "stdlib.h"
#include "numpy/arrayobject.h"
#include "numpy/ufuncobject.h"
#include "stdbool.h"
/* inline attribute */
#ifndef CYTHON_INLINE
#if defined(__GNUC__)
#define CYTHON_INLINE __inline__
#elif defined(_MSC_VER)
#define CYTHON_INLINE __inline
#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#define CYTHON_INLINE inline
#else
#define CYTHON_INLINE
#endif
#endif
/* unused attribute */
#ifndef CYTHON_UNUSED
# if defined(__GNUC__)
# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
# define CYTHON_UNUSED __attribute__ ((__unused__))
# else
# define CYTHON_UNUSED
# endif
# elif defined(__ICC) || defined(__INTEL_COMPILER)
# define CYTHON_UNUSED __attribute__ ((__unused__))
# else
# define CYTHON_UNUSED
# endif
#endif
typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
/* Type Conversion Predeclarations */
#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
#define __Pyx_PyBytes_AsUString(s) ((unsigned char*) PyBytes_AsString(s))
#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
#ifdef __GNUC__
/* Test for GCC > 2.95 */
#if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#else /* __GNUC__ > 2 ... */
#define likely(x) (x)
#define unlikely(x) (x)
#endif /* __GNUC__ > 2 ... */
#else /* __GNUC__ */
#define likely(x) (x)
#define unlikely(x) (x)
#endif /* __GNUC__ */
static PyObject *__pyx_m;
static PyObject *__pyx_b;
static PyObject *__pyx_empty_tuple;
static PyObject *__pyx_empty_bytes;
static int __pyx_lineno;
static int __pyx_clineno = 0;
static const char * __pyx_cfilenm= __FILE__;
static const char *__pyx_filename;
#if !defined(CYTHON_CCOMPLEX)
#if defined(__cplusplus)
#define CYTHON_CCOMPLEX 1
#elif defined(_Complex_I)
#define CYTHON_CCOMPLEX 1
#else
#define CYTHON_CCOMPLEX 0
#endif
#endif
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
#include <complex>
#else
#include <complex.h>
#endif
#endif
#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
#undef _Complex_I
#define _Complex_I 1.0fj
#endif
static const char *__pyx_f[] = {
"_potrace.pyx",
"numpy.pxd",
};
typedef npy_int8 __pyx_t_5numpy_int8_t;
typedef npy_int16 __pyx_t_5numpy_int16_t;
typedef npy_int32 __pyx_t_5numpy_int32_t;
typedef npy_int64 __pyx_t_5numpy_int64_t;
typedef npy_uint8 __pyx_t_5numpy_uint8_t;
typedef npy_uint16 __pyx_t_5numpy_uint16_t;
typedef npy_uint32 __pyx_t_5numpy_uint32_t;
typedef npy_uint64 __pyx_t_5numpy_uint64_t;
typedef npy_float32 __pyx_t_5numpy_float32_t;
typedef npy_float64 __pyx_t_5numpy_float64_t;
typedef npy_long __pyx_t_5numpy_int_t;
typedef npy_longlong __pyx_t_5numpy_long_t;
typedef npy_intp __pyx_t_5numpy_intp_t;
typedef npy_uintp __pyx_t_5numpy_uintp_t;
typedef npy_ulong __pyx_t_5numpy_uint_t;
typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
typedef npy_double __pyx_t_5numpy_float_t;
typedef npy_double __pyx_t_5numpy_double_t;
typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
typedef ::std::complex< float > __pyx_t_float_complex;
#else
typedef float _Complex __pyx_t_float_complex;
#endif
#else
typedef struct { float real, imag; } __pyx_t_float_complex;
#endif
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
typedef ::std::complex< double > __pyx_t_double_complex;
#else
typedef double _Complex __pyx_t_double_complex;
#endif
#else
typedef struct { double real, imag; } __pyx_t_double_complex;
#endif
/* Type declarations */
typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
typedef npy_cdouble __pyx_t_5numpy_complex_t;
/* "/home/flupke/source/pypotrace/potrace/bezier.pxd":4
*
*
* cdef np.ndarray bezier(np.ndarray p, int steps=?) # <<<<<<<<<<<<<<
* cdef np.ndarray adaptive_bezier(np.ndarray p)
*/
struct __pyx_opt_args_7potrace_6bezier_bezier {
int __pyx_n;
int steps;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":215
*
*
* cdef class CornerSegment: # <<<<<<<<<<<<<<
* """
* Represents a corner segment in a :class:`Curve` object.
*/
struct __pyx_obj_7potrace_8_potrace_CornerSegment {
PyObject_HEAD
PyObject *c;
PyObject *end_point;
bool is_corner;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":157
*
*
* cdef class State: # <<<<<<<<<<<<<<
* """
* Stores a potrace state struct.
*/
struct __pyx_obj_7potrace_8_potrace_State {
PyObject_HEAD
struct potrace_state_s *po_state;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":196
*
*
* cdef class BezierSegment: # <<<<<<<<<<<<<<
* """
* Represents a Bezier segment in a :class:`Curve` object.
*/
struct __pyx_obj_7potrace_8_potrace_BezierSegment {
PyObject_HEAD
PyObject *c1;
PyObject *c2;
PyObject *end_point;
bool is_corner;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":314
*
*
* cdef class Path: # <<<<<<<<<<<<<<
* """
* Path objects store a list of :class:`Curve` objects.
*/
struct __pyx_obj_7potrace_8_potrace_Path {
PyObject_HEAD
struct __pyx_vtabstruct_7potrace_8_potrace_Path *__pyx_vtab;
PyObject *curves;
PyObject *curves_tree;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":232
*
*
* cdef class Curve: # <<<<<<<<<<<<<<
* """
* Curve objects represent closed, non intersecting curves.
*/
struct __pyx_obj_7potrace_8_potrace_Curve {
PyObject_HEAD
struct __pyx_vtabstruct_7potrace_8_potrace_Curve *__pyx_vtab;
PyObject *segments;
PyObject *children;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":27
*
*
* cdef class Bitmap: # <<<<<<<<<<<<<<
* """
* Create a Bitmap instance.
*/
struct __pyx_obj_7potrace_8_potrace_Bitmap {
PyObject_HEAD
struct __pyx_vtabstruct_7potrace_8_potrace_Bitmap *__pyx_vtab;
PyArrayObject *_data;
struct potrace_bitmap_s po_bitmap;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":136
*
*
* cdef class Parameters: # <<<<<<<<<<<<<<
* """
* Stores parameters for the potrace_trace function.
*/
struct __pyx_obj_7potrace_8_potrace_Parameters {
PyObject_HEAD
struct potrace_param_s *po_params;
};
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":314
*
*
* cdef class Path: # <<<<<<<<<<<<<<
* """
* Path objects store a list of :class:`Curve` objects.
*/
struct __pyx_vtabstruct_7potrace_8_potrace_Path {
PyObject *(*append_curve)(struct __pyx_obj_7potrace_8_potrace_Path *, struct potrace_curve_s *);
};
static struct __pyx_vtabstruct_7potrace_8_potrace_Path *__pyx_vtabptr_7potrace_8_potrace_Path;
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":232
*
*
* cdef class Curve: # <<<<<<<<<<<<<<
* """
* Curve objects represent closed, non intersecting curves.
*/
struct __pyx_vtabstruct_7potrace_8_potrace_Curve {
PyObject *(*append_bezier)(struct __pyx_obj_7potrace_8_potrace_Curve *, struct potrace_dpoint_s *, struct potrace_dpoint_s *, struct potrace_dpoint_s *);
PyObject *(*append_corner)(struct __pyx_obj_7potrace_8_potrace_Curve *, struct potrace_dpoint_s *, struct potrace_dpoint_s *);
};
static struct __pyx_vtabstruct_7potrace_8_potrace_Curve *__pyx_vtabptr_7potrace_8_potrace_Curve;
/* "/home/flupke/source/pypotrace/potrace/_potrace.pyx":27
*
*
* cdef class Bitmap: # <<<<<<<<<<<<<<
* """
* Create a Bitmap instance.
*/
struct __pyx_vtabstruct_7potrace_8_potrace_Bitmap {
PyObject *(*free_bitmap)(struct __pyx_obj_7potrace_8_potrace_Bitmap *);
};
static struct __pyx_vtabstruct_7potrace_8_potrace_Bitmap *__pyx_vtabptr_7potrace_8_potrace_Bitmap;
#ifndef CYTHON_REFNANNY
#define CYTHON_REFNANNY 0
#endif
#if CYTHON_REFNANNY
typedef struct {
void (*INCREF)(void*, PyObject*, int);
void (*DECREF)(void*, PyObject*, int);
void (*GOTREF)(void*, PyObject*, int);
void (*GIVEREF)(void*, PyObject*, int);
void* (*SetupContext)(const char*, int, const char*);
void (*FinishContext)(void**);
} __Pyx_RefNannyAPIStruct;
static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
static __Pyx_RefNannyAPIStruct * __Pyx_RefNannyImportAPI(const char *modname) {
PyObject *m = NULL, *p = NULL;
void *r = NULL;
m = PyImport_ImportModule((char *)modname);
if (!m) goto end;
p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
if (!p) goto end;
r = PyLong_AsVoidPtr(p);
end:
Py_XDECREF(p);
Py_XDECREF(m);
return (__Pyx_RefNannyAPIStruct *)r;
}
#define __Pyx_RefNannySetupContext(name) void *__pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
#define __Pyx_RefNannyFinishContext() __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
#define __Pyx_INCREF(r) __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
#define __Pyx_DECREF(r) __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
#define __Pyx_GOTREF(r) __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
#define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
#define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r);} } while(0)
#else
#define __Pyx_RefNannySetupContext(name)
#define __Pyx_RefNannyFinishContext()
#define __Pyx_INCREF(r) Py_INCREF(r)
#define __Pyx_DECREF(r) Py_DECREF(r)
#define __Pyx_GOTREF(r)
#define __Pyx_GIVEREF(r)
#define __Pyx_XDECREF(r) Py_XDECREF(r)
#endif /* CYTHON_REFNANNY */
#define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);} } while(0)
#define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r);} } while(0)
static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/
static void __Pyx_RaiseDoubleKeywordsError(
const char* func_name, PyObject* kw_name); /*proto*/
static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, const char* function_name); /*proto*/
static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict,
const char* function_name, int kw_allowed); /*proto*/
static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
static CYTHON_INLINE long __Pyx_div_long(long, long); /* proto */
#define UNARY_NEG_WOULD_OVERFLOW(x) (((x) < 0) & ((unsigned long)(x) == 0-(unsigned long)(x)))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
PyObject *r;
if (!j) return NULL;
r = PyObject_GetItem(o, j);
Py_DECREF(j);
return r;
}
#define __Pyx_GetItemInt_List(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
__Pyx_GetItemInt_List_Fast(o, i) : \
__Pyx_GetItemInt_Generic(o, to_py_func(i)))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i) {
if (likely(o != Py_None)) {
if (likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
PyObject *r = PyList_GET_ITEM(o, i);
Py_INCREF(r);
return r;
}
else if ((-PyList_GET_SIZE(o) <= i) & (i < 0)) {
PyObject *r = PyList_GET_ITEM(o, PyList_GET_SIZE(o) + i);
Py_INCREF(r);
return r;
}
}
return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}
#define __Pyx_GetItemInt_Tuple(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
__Pyx_GetItemInt_Tuple_Fast(o, i) : \
__Pyx_GetItemInt_Generic(o, to_py_func(i)))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i) {
if (likely(o != Py_None)) {
if (likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
PyObject *r = PyTuple_GET_ITEM(o, i);
Py_INCREF(r);
return r;
}
else if ((-PyTuple_GET_SIZE(o) <= i) & (i < 0)) {
PyObject *r = PyTuple_GET_ITEM(o, PyTuple_GET_SIZE(o) + i);
Py_INCREF(r);
return r;
}
}
return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}
#define __Pyx_GetItemInt(o, i, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
__Pyx_GetItemInt_Fast(o, i) : \
__Pyx_GetItemInt_Generic(o, to_py_func(i)))
static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i) {
PyObject *r;
if (PyList_CheckExact(o) && ((0 <= i) & (i < PyList_GET_SIZE(o)))) {
r = PyList_GET_ITEM(o, i);
Py_INCREF(r);
}
else if (PyTuple_CheckExact(o) && ((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
r = PyTuple_GET_ITEM(o, i);
Py_INCREF(r);
}
else if (Py_TYPE(o)->tp_as_sequence && Py_TYPE(o)->tp_as_sequence->sq_item && (likely(i >= 0))) {
r = PySequence_GetItem(o, i);
}
else {
r = __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
}
return r;
}
static CYTHON_INLINE int __Pyx_mod_int(int, int); /* proto */
static CYTHON_INLINE int __Pyx_div_int(int, int); /* proto */
#define __Pyx_SetItemInt(o, i, v, size, to_py_func) (((size) <= sizeof(Py_ssize_t)) ? \
__Pyx_SetItemInt_Fast(o, i, v) : \
__Pyx_SetItemInt_Generic(o, to_py_func(i), v))
static CYTHON_INLINE int __Pyx_SetItemInt_Generic(PyObject *o, PyObject *j, PyObject *v) {
int r;
if (!j) return -1;
r = PyObject_SetItem(o, j, v);
Py_DECREF(j);
return r;
}
static CYTHON_INLINE int __Pyx_SetItemInt_Fast(PyObject *o, Py_ssize_t i, PyObject *v) {
if (PyList_CheckExact(o) && ((0 <= i) & (i < PyList_GET_SIZE(o)))) {
Py_INCREF(v);
Py_DECREF(PyList_GET_ITEM(o, i));
PyList_SET_ITEM(o, i, v);
return 1;
}
else if (Py_TYPE(o)->tp_as_sequence && Py_TYPE(o)->tp_as_sequence->sq_ass_item && (likely(i >= 0)))
return PySequence_SetItem(o, i, v);
else {
PyObject *j = PyInt_FromSsize_t(i);
return __Pyx_SetItemInt_Generic(o, j, v);
}
}
static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); /*proto*/
static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_bool(bool);
static CYTHON_INLINE bool __Pyx_PyInt_from_py_bool(PyObject *);
static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list); /*proto*/
static PyObject *__Pyx_CreateClass(PyObject *bases, PyObject *dict, PyObject *name, const char *modname); /*proto*/
static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
#if CYTHON_CCOMPLEX
#ifdef __cplusplus
#define __Pyx_CREAL(z) ((z).real())
#define __Pyx_CIMAG(z) ((z).imag())
#else
#define __Pyx_CREAL(z) (__real__(z))
#define __Pyx_CIMAG(z) (__imag__(z))
#endif
#else
#define __Pyx_CREAL(z) ((z).real)
#define __Pyx_CIMAG(z) ((z).imag)
#endif
#if defined(_WIN32) && defined(__cplusplus) && CYTHON_CCOMPLEX
#define __Pyx_SET_CREAL(z,x) ((z).real(x))
#define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
#else
#define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
#define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
#endif
static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
#if CYTHON_CCOMPLEX
#define __Pyx_c_eqf(a, b) ((a)==(b))
#define __Pyx_c_sumf(a, b) ((a)+(b))
#define __Pyx_c_difff(a, b) ((a)-(b))
#define __Pyx_c_prodf(a, b) ((a)*(b))
#define __Pyx_c_quotf(a, b) ((a)/(b))
#define __Pyx_c_negf(a) (-(a))
#ifdef __cplusplus
#define __Pyx_c_is_zerof(z) ((z)==(float)0)
#define __Pyx_c_conjf(z) (::std::conj(z))
/*#define __Pyx_c_absf(z) (::std::abs(z))*/
#else
#define __Pyx_c_is_zerof(z) ((z)==0)
#define __Pyx_c_conjf(z) (conjf(z))
/*#define __Pyx_c_absf(z) (cabsf(z))*/
#endif
#else
static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
/*static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);*/
#endif
static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
#if CYTHON_CCOMPLEX
#define __Pyx_c_eq(a, b) ((a)==(b))
#define __Pyx_c_sum(a, b) ((a)+(b))
#define __Pyx_c_diff(a, b) ((a)-(b))
#define __Pyx_c_prod(a, b) ((a)*(b))
#define __Pyx_c_quot(a, b) ((a)/(b))
#define __Pyx_c_neg(a) (-(a))
#ifdef __cplusplus
#define __Pyx_c_is_zero(z) ((z)==(double)0)
#define __Pyx_c_conj(z) (::std::conj(z))
/*#define __Pyx_c_abs(z) (::std::abs(z))*/
#else
#define __Pyx_c_is_zero(z) ((z)==0)
#define __Pyx_c_conj(z) (conj(z))
/*#define __Pyx_c_abs(z) (cabs(z))*/
#endif
#else
static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
/*static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);*/
#endif
static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
static void __Pyx_WriteUnraisable(const char *name); /*proto*/
static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/
static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name, long size, int strict); /*proto*/
static PyObject *__Pyx_ImportModule(const char *name); /*proto*/
static int __Pyx_ImportFunction(PyObject *module, const char *funcname, void (**f)(void), const char *sig); /*proto*/
static void __Pyx_AddTraceback(const char *funcname); /*proto*/
static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
/* Module declarations from cpython.buffer */
/* Module declarations from cpython.ref */
/* Module declarations from libc.stdio */
/* Module declarations from cpython.object */
/* Module declarations from libc.stdlib */
/* Module declarations from numpy */
/* Module declarations from numpy */
static PyTypeObject *__pyx_ptype_5numpy_dtype = 0;
static PyTypeObject *__pyx_ptype_5numpy_flatiter = 0;
static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *, PyObject *); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *, PyObject *, PyObject *); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *, PyObject *, PyObject *, PyObject *); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *, PyObject *, PyObject *, PyObject *, PyObject *); /*proto*/
static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *, PyObject *); /*proto*/
static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *); /*proto*/
/* Module declarations from stdlib */
/* Module declarations from cpython.string */
/* Module declarations from python_string */
/* Module declarations from potrace.bezier */
static PyArrayObject *(*__pyx_f_7potrace_6bezier_bezier)(PyArrayObject *, struct __pyx_opt_args_7potrace_6bezier_bezier *__pyx_optional_args); /*proto*/
static PyArrayObject *(*__pyx_f_7potrace_6bezier_adaptive_bezier)(PyArrayObject *); /*proto*/
/* Module declarations from potrace._potrace */
static PyTypeObject *__pyx_ptype_7potrace_8_potrace_Bitmap = 0;
static PyTypeObject *__pyx_ptype_7potrace_8_potrace_Parameters = 0;
static PyTypeObject *__pyx_ptype_7potrace_8_potrace_State = 0;
static PyTypeObject *__pyx_ptype_7potrace_8_potrace_BezierSegment = 0;
static PyTypeObject *__pyx_ptype_7potrace_8_potrace_CornerSegment = 0;
static PyTypeObject *__pyx_ptype_7potrace_8_potrace_Curve = 0;
static PyTypeObject *__pyx_ptype_7potrace_8_potrace_Path = 0;
static int __pyx_v_7potrace_8_potrace_N;
static void __pyx_f_7potrace_8_potrace_setpixel(struct potrace_bitmap_s *, int, int, int); /*proto*/
static struct __pyx_obj_7potrace_8_potrace_State *__pyx_f_7potrace_8_potrace_state_from_ptr(struct potrace_state_s *); /*proto*/
static struct __pyx_obj_7potrace_8_potrace_Path *__pyx_f_7potrace_8_potrace_path_from_ptr(struct potrace_path_s *); /*proto*/
static PyObject *__pyx_f_7potrace_8_potrace_init_curves_tree(PyObject *, PyObject *, struct potrace_path_s *); /*proto*/
#define __Pyx_MODULE_NAME "potrace._potrace"
int __pyx_module_is_main_potrace___potrace = 0;
/* Implementation of potrace._potrace */
static PyObject *__pyx_builtin_Exception;
static PyObject *__pyx_builtin_range;
static PyObject *__pyx_builtin_ValueError;
static PyObject *__pyx_builtin_iter;
static PyObject *__pyx_builtin_RuntimeError;
static char __pyx_k_4[] = "error tracing bitmap";
static char __pyx_k_6[] = "can't query null state object";
static char __pyx_k_7[] = "can't access the image property of an incomplete trace state";
static char __pyx_k_8[] = "BezierSegment(c1=%s, c2=%s, end_point=%s)";
static char __pyx_k_9[] = "CornerSegment(c=%s, end_point=%s)";
static char __pyx_k_11[] = "ndarray is not C contiguous";
static char __pyx_k_12[] = "ndarray is not Fortran contiguous";
static char __pyx_k_13[] = "Non-native byte order not supported";
static char __pyx_k_14[] = "unknown dtype code in numpy.pxd (%d)";
static char __pyx_k_15[] = "Format string allocated too short, see comment in numpy.pxd";
static char __pyx_k_16[] = "Format string allocated too short.";
static char __pyx_k_17[] = "\n This property is true if this State object stores a successful\n operation.\n ";
static char __pyx_k_18[] = "\n This property returns a Path containing a copy of this state's data.\n ";
static char __pyx_k_19[] = "\n The curve starting point.\n ";
static char __pyx_k_20[] = "Bitmap.trace (line 47)";
static char __pyx_k_21[] = "Curve.tesselate (line 258)";
static char __pyx_k_22[] = "potracelib_version (line 344)";
static char __pyx_k__B[] = "B";
static char __pyx_k__H[] = "H";
static char __pyx_k__I[] = "I";
static char __pyx_k__L[] = "L";
static char __pyx_k__O[] = "O";
static char __pyx_k__Q[] = "Q";
static char __pyx_k__b[] = "b";
static char __pyx_k__c[] = "c";
static char __pyx_k__d[] = "d";
static char __pyx_k__f[] = "f";
static char __pyx_k__g[] = "g";
static char __pyx_k__h[] = "h";
static char __pyx_k__i[] = "i";
static char __pyx_k__l[] = "l";
static char __pyx_k__n[] = "n";
static char __pyx_k__q[] = "q";
static char __pyx_k__w[] = "w";
static char __pyx_k__x[] = "x";
static char __pyx_k__y[] = "y";
static char __pyx_k__Zd[] = "Zd";
static char __pyx_k__Zf[] = "Zf";
static char __pyx_k__Zg[] = "Zg";
static char __pyx_k__c1[] = "c1";
static char __pyx_k__c2[] = "c2";
static char __pyx_k__dy[] = "dy";
static char __pyx_k__np[] = "np";
static char __pyx_k__ok[] = "ok";
static char __pyx_k__buf[] = "buf";
static char __pyx_k__map[] = "map";
static char __pyx_k__obj[] = "obj";
static char __pyx_k__res[] = "res";
static char __pyx_k__tag[] = "tag";
static char __pyx_k__Path[] = "Path";
static char __pyx_k__base[] = "base";
static char __pyx_k__data[] = "data";
static char __pyx_k__iter[] = "iter";
static char __pyx_k__ndim[] = "ndim";
static char __pyx_k__next[] = "next";
static char __pyx_k__Curve[] = "Curve";
static char __pyx_k___data[] = "_data";
static char __pyx_k__curve[] = "curve";
static char __pyx_k__descr[] = "descr";
static char __pyx_k__empty[] = "empty";
static char __pyx_k__image[] = "image";
static char __pyx_k__names[] = "names";
static char __pyx_k__numpy[] = "numpy";
static char __pyx_k__plist[] = "plist";
static char __pyx_k__range[] = "range";
static char __pyx_k__shape[] = "shape";
static char __pyx_k__trace[] = "trace";
static char __pyx_k__zeros[] = "zeros";
static char __pyx_k__Bitmap[] = "Bitmap";
static char __pyx_k__curves[] = "curves";
static char __pyx_k__fields[] = "fields";
static char __pyx_k__format[] = "format";
static char __pyx_k__method[] = "method";
static char __pyx_k__status[] = "status";
static char __pyx_k____all__[] = "__all__";
static char __pyx_k__regular[] = "regular";
static char __pyx_k__sibling[] = "sibling";
static char __pyx_k__strides[] = "strides";
static char __pyx_k____main__[] = "__main__";
static char __pyx_k____test__[] = "__test__";
static char __pyx_k__adaptive[] = "adaptive";
static char __pyx_k__alphamax[] = "alphamax";
static char __pyx_k__children[] = "children";
static char __pyx_k__itemsize[] = "itemsize";
static char __pyx_k__po_state[] = "po_state";
static char __pyx_k__readonly[] = "readonly";
static char __pyx_k__segments[] = "segments";
static char __pyx_k__turdsize[] = "turdsize";
static char __pyx_k__type_num[] = "type_num";
static char __pyx_k__Exception[] = "Exception";
static char __pyx_k__byteorder[] = "byteorder";
static char __pyx_k__childlist[] = "childlist";
static char __pyx_k__end_point[] = "end_point";
static char __pyx_k__is_corner[] = "is_corner";