/src/pyglue/PyGroupTransform.cpp

http://github.com/imageworks/OpenColorIO · C++ · 251 lines · 190 code · 25 blank · 36 comment · 13 complexity · ac95d6119ef6071743a233c22ba0238d MD5 · raw file

  1. /*
  2. Copyright (c) 2003-2010 Sony Pictures Imageworks Inc., et al.
  3. All Rights Reserved.
  4. Redistribution and use in source and binary forms, with or without
  5. modification, are permitted provided that the following conditions are
  6. met:
  7. * Redistributions of source code must retain the above copyright
  8. notice, this list of conditions and the following disclaimer.
  9. * Redistributions in binary form must reproduce the above copyright
  10. notice, this list of conditions and the following disclaimer in the
  11. documentation and/or other materials provided with the distribution.
  12. * Neither the name of Sony Pictures Imageworks nor the names of its
  13. contributors may be used to endorse or promote products derived from
  14. this software without specific prior written permission.
  15. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19. OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21. LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22. DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23. THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. #include <Python.h>
  28. #include <OpenColorIO/OpenColorIO.h>
  29. #include "PyUtil.h"
  30. #include "PyDoc.h"
  31. #define GetConstGroupTransform(pyobject) GetConstPyOCIO<PyOCIO_Transform, \
  32. ConstGroupTransformRcPtr, GroupTransform>(pyobject, \
  33. PyOCIO_GroupTransformType)
  34. #define GetEditableGroupTransform(pyobject) GetEditablePyOCIO<PyOCIO_Transform, \
  35. GroupTransformRcPtr, GroupTransform>(pyobject, \
  36. PyOCIO_GroupTransformType)
  37. OCIO_NAMESPACE_ENTER
  38. {
  39. namespace
  40. {
  41. ///////////////////////////////////////////////////////////////////////
  42. ///
  43. int PyOCIO_GroupTransform_init(PyOCIO_Transform * self, PyObject * args, PyObject * kwds);
  44. PyObject * PyOCIO_GroupTransform_getTransform(PyObject * self, PyObject * args);
  45. PyObject * PyOCIO_GroupTransform_getTransforms(PyObject * self);
  46. PyObject * PyOCIO_GroupTransform_setTransforms(PyObject * self, PyObject * args);
  47. // TODO: make these appear more like a pysequence. .append, len(), etc
  48. PyObject * PyOCIO_GroupTransform_size(PyObject * self);
  49. PyObject * PyOCIO_GroupTransform_push_back(PyObject * self, PyObject * args);
  50. PyObject * PyOCIO_GroupTransform_clear(PyObject * self);
  51. PyObject * PyOCIO_GroupTransform_empty(PyObject * self);
  52. ///////////////////////////////////////////////////////////////////////
  53. ///
  54. PyMethodDef PyOCIO_GroupTransform_methods[] = {
  55. { "getTransform",
  56. PyOCIO_GroupTransform_getTransform, METH_VARARGS, GROUPTRANSFORM_GETTRANSFORM__DOC__ },
  57. { "getTransforms",
  58. (PyCFunction) PyOCIO_GroupTransform_getTransforms, METH_NOARGS, GROUPTRANSFORM_GETTRANSFORMS__DOC__ },
  59. { "setTransforms",
  60. PyOCIO_GroupTransform_setTransforms, METH_VARARGS, GROUPTRANSFORM_SETTRANSFORMS__DOC__ },
  61. { "size",
  62. (PyCFunction) PyOCIO_GroupTransform_size, METH_NOARGS, GROUPTRANSFORM_SIZE__DOC__ },
  63. { "push_back",
  64. PyOCIO_GroupTransform_push_back, METH_VARARGS, GROUPTRANSFORM_PUSH_BACK__DOC__ },
  65. { "clear",
  66. (PyCFunction) PyOCIO_GroupTransform_clear, METH_NOARGS, GROUPTRANSFORM_CLEAR__DOC__ },
  67. { "empty",
  68. (PyCFunction) PyOCIO_GroupTransform_empty, METH_NOARGS, GROUPTRANSFORM_EMPTY__DOC__ },
  69. { NULL, NULL, 0, NULL }
  70. };
  71. }
  72. ///////////////////////////////////////////////////////////////////////////
  73. ///
  74. PyTypeObject PyOCIO_GroupTransformType = {
  75. PyVarObject_HEAD_INIT(NULL, 0)
  76. "OCIO.GroupTransform", //tp_name
  77. sizeof(PyOCIO_Transform), //tp_basicsize
  78. 0, //tp_itemsize
  79. 0, //tp_dealloc
  80. 0, //tp_print
  81. 0, //tp_getattr
  82. 0, //tp_setattr
  83. 0, //tp_compare
  84. 0, //tp_repr
  85. 0, //tp_as_number
  86. 0, //tp_as_sequence
  87. 0, //tp_as_mapping
  88. 0, //tp_hash
  89. 0, //tp_call
  90. 0, //tp_str
  91. 0, //tp_getattro
  92. 0, //tp_setattro
  93. 0, //tp_as_buffer
  94. Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, //tp_flags
  95. GROUPTRANSFORM__DOC__, //tp_doc
  96. 0, //tp_traverse
  97. 0, //tp_clear
  98. 0, //tp_richcompare
  99. 0, //tp_weaklistoffset
  100. 0, //tp_iter
  101. 0, //tp_iternext
  102. PyOCIO_GroupTransform_methods, //tp_methods
  103. 0, //tp_members
  104. 0, //tp_getset
  105. &PyOCIO_TransformType, //tp_base
  106. 0, //tp_dict
  107. 0, //tp_descr_get
  108. 0, //tp_descr_set
  109. 0, //tp_dictoffset
  110. (initproc) PyOCIO_GroupTransform_init, //tp_init
  111. 0, //tp_alloc
  112. 0, //tp_new
  113. 0, //tp_free
  114. 0, //tp_is_gc
  115. };
  116. namespace
  117. {
  118. ///////////////////////////////////////////////////////////////////////
  119. ///
  120. int PyOCIO_GroupTransform_init(PyOCIO_Transform * self, PyObject * args, PyObject * kwds)
  121. {
  122. OCIO_PYTRY_ENTER()
  123. GroupTransformRcPtr ptr = GroupTransform::Create();
  124. int ret = BuildPyTransformObject<GroupTransformRcPtr>(self, ptr);
  125. PyObject* pytransforms = Py_None;
  126. char* direction = NULL;
  127. static const char *kwlist[] = { "transforms", "direction", NULL };
  128. if(!PyArg_ParseTupleAndKeywords(args, kwds, "|Os",
  129. const_cast<char **>(kwlist),
  130. &pytransforms, &direction )) return -1;
  131. if(pytransforms != Py_None)
  132. {
  133. std::vector<ConstTransformRcPtr> data;
  134. if(!FillTransformVectorFromPySequence(pytransforms, data))
  135. {
  136. PyErr_SetString(PyExc_TypeError,
  137. "Kwarg 'transforms' must be a transform array.");
  138. return -1;
  139. }
  140. for(unsigned int i=0; i<data.size(); ++i)
  141. ptr->push_back(data[i]);
  142. }
  143. if(direction)
  144. ptr->setDirection(TransformDirectionFromString(direction));
  145. return ret;
  146. OCIO_PYTRY_EXIT(-1)
  147. }
  148. PyObject * PyOCIO_GroupTransform_getTransform(PyObject * self, PyObject * args)
  149. {
  150. OCIO_PYTRY_ENTER()
  151. int index = 0;
  152. if (!PyArg_ParseTuple(args,"i:getTransform",
  153. &index)) return NULL;
  154. ConstGroupTransformRcPtr transform = GetConstGroupTransform(self);
  155. ConstTransformRcPtr childTransform = transform->getTransform(index);
  156. return BuildConstPyTransform(childTransform);
  157. OCIO_PYTRY_EXIT(NULL)
  158. }
  159. PyObject * PyOCIO_GroupTransform_getTransforms(PyObject * self)
  160. {
  161. OCIO_PYTRY_ENTER()
  162. ConstGroupTransformRcPtr transform = GetConstGroupTransform(self);
  163. std::vector<ConstTransformRcPtr> transforms;
  164. for(int i = 0; i < transform->size(); ++i)
  165. transforms.push_back(transform->getTransform(i));
  166. return CreatePyListFromTransformVector(transforms);
  167. OCIO_PYTRY_EXIT(NULL)
  168. }
  169. PyObject * PyOCIO_GroupTransform_setTransforms(PyObject * self, PyObject * args)
  170. {
  171. OCIO_PYTRY_ENTER()
  172. PyObject* pytransforms = 0;
  173. if (!PyArg_ParseTuple(args,"O:setTransforms",
  174. &pytransforms)) return NULL;
  175. GroupTransformRcPtr transform = GetEditableGroupTransform(self);
  176. std::vector<ConstTransformRcPtr> data;
  177. if(!FillTransformVectorFromPySequence(pytransforms, data))
  178. {
  179. PyErr_SetString(PyExc_TypeError, "First argument must be a transform array.");
  180. return 0;
  181. }
  182. transform->clear();
  183. for(unsigned int i = 0; i < data.size(); ++i)
  184. transform->push_back(data[i]);
  185. Py_RETURN_NONE;
  186. OCIO_PYTRY_EXIT(NULL)
  187. }
  188. PyObject * PyOCIO_GroupTransform_size(PyObject * self)
  189. {
  190. OCIO_PYTRY_ENTER()
  191. ConstGroupTransformRcPtr transform = GetConstGroupTransform(self);
  192. return PyInt_FromLong(transform->size());
  193. OCIO_PYTRY_EXIT(NULL)
  194. }
  195. PyObject * PyOCIO_GroupTransform_push_back(PyObject * self, PyObject * args)
  196. {
  197. OCIO_PYTRY_ENTER()
  198. PyObject* pytransform = 0;
  199. if (!PyArg_ParseTuple(args,"O:push_back",
  200. &pytransform)) return NULL;
  201. GroupTransformRcPtr transform = GetEditableGroupTransform(self);
  202. if(!IsPyTransform(pytransform))
  203. throw Exception("GroupTransform.push_back requires a transform as the first arg.");
  204. transform->push_back(GetConstTransform(pytransform, true));
  205. Py_RETURN_NONE;
  206. OCIO_PYTRY_EXIT(NULL)
  207. }
  208. PyObject * PyOCIO_GroupTransform_clear(PyObject * self)
  209. {
  210. OCIO_PYTRY_ENTER()
  211. GroupTransformRcPtr transform = GetEditableGroupTransform(self);
  212. transform->clear();
  213. Py_RETURN_NONE;
  214. OCIO_PYTRY_EXIT(NULL)
  215. }
  216. PyObject * PyOCIO_GroupTransform_empty(PyObject * self)
  217. {
  218. OCIO_PYTRY_ENTER()
  219. ConstGroupTransformRcPtr transform = GetConstGroupTransform(self);
  220. return PyBool_FromLong(transform->empty());
  221. OCIO_PYTRY_EXIT(NULL)
  222. }
  223. }
  224. }
  225. OCIO_NAMESPACE_EXIT