/src/pyglue/PyMatrixTransform.cpp

http://github.com/imageworks/OpenColorIO · C++ · 459 lines · 375 code · 49 blank · 35 comment · 33 complexity · 43d5510b9fbef78ab9c3835101e3c597 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 GetConstMatrixTransform(pyobject) GetConstPyOCIO<PyOCIO_Transform, \
  32. ConstMatrixTransformRcPtr, MatrixTransform>(pyobject, \
  33. PyOCIO_MatrixTransformType)
  34. #define GetEditableMatrixTransform(pyobject) GetEditablePyOCIO<PyOCIO_Transform, \
  35. MatrixTransformRcPtr, MatrixTransform>(pyobject, \
  36. PyOCIO_MatrixTransformType)
  37. OCIO_NAMESPACE_ENTER
  38. {
  39. namespace
  40. {
  41. ///////////////////////////////////////////////////////////////////////
  42. ///
  43. int PyOCIO_MatrixTransform_init(PyOCIO_Transform * self, PyObject * args, PyObject * kwds);
  44. PyObject * PyOCIO_MatrixTransform_equals(PyObject * self, PyObject * args);
  45. PyObject * PyOCIO_MatrixTransform_getValue(PyObject * self);
  46. PyObject * PyOCIO_MatrixTransform_setValue(PyObject * self, PyObject * args);
  47. PyObject * PyOCIO_MatrixTransform_getMatrix(PyObject * self);
  48. PyObject * PyOCIO_MatrixTransform_setMatrix(PyObject * self, PyObject * args);
  49. PyObject * PyOCIO_MatrixTransform_getOffset(PyObject * self);
  50. PyObject * PyOCIO_MatrixTransform_setOffset(PyObject * self, PyObject * args);
  51. PyObject * PyOCIO_MatrixTransform_Identity(PyObject * cls);
  52. PyObject * PyOCIO_MatrixTransform_Fit(PyObject * cls, PyObject * args);
  53. PyObject * PyOCIO_MatrixTransform_Sat(PyObject * cls, PyObject * args);
  54. PyObject * PyOCIO_MatrixTransform_Scale(PyObject * cls, PyObject * args);
  55. PyObject * PyOCIO_MatrixTransform_View(PyObject * cls, PyObject * args);
  56. ///////////////////////////////////////////////////////////////////////
  57. ///
  58. PyMethodDef PyOCIO_MatrixTransform_methods[] = {
  59. { "equals",
  60. PyOCIO_MatrixTransform_equals, METH_VARARGS, MATRIXTRANSFORM_EQUALS__DOC__ },
  61. { "getValue",
  62. (PyCFunction) PyOCIO_MatrixTransform_getValue, METH_NOARGS, MATRIXTRANSFORM_GETVALUE__DOC__ },
  63. { "setValue",
  64. PyOCIO_MatrixTransform_setValue, METH_VARARGS, MATRIXTRANSFORM_SETVALUE__DOC__ },
  65. { "getMatrix",
  66. (PyCFunction) PyOCIO_MatrixTransform_getMatrix, METH_NOARGS, MATRIXTRANSFORM_GETMATRIX__DOC__ },
  67. { "setMatrix",
  68. PyOCIO_MatrixTransform_setMatrix, METH_VARARGS, MATRIXTRANSFORM_SETMATRIX__DOC__ },
  69. { "getOffset",
  70. (PyCFunction) PyOCIO_MatrixTransform_getOffset, METH_NOARGS, MATRIXTRANSFORM_GETOFFSET__DOC__ },
  71. { "setOffset",
  72. PyOCIO_MatrixTransform_setOffset, METH_VARARGS, MATRIXTRANSFORM_SETOFFSET__DOC__ },
  73. { "Identity",
  74. (PyCFunction) PyOCIO_MatrixTransform_Identity, METH_NOARGS | METH_CLASS, MATRIXTRANSFORM_IDENTITY__DOC__ },
  75. { "Fit",
  76. PyOCIO_MatrixTransform_Fit, METH_VARARGS | METH_CLASS, MATRIXTRANSFORM_FIT__DOC__ },
  77. { "Sat",
  78. PyOCIO_MatrixTransform_Sat, METH_VARARGS | METH_CLASS, MATRIXTRANSFORM_SAT__DOC__ },
  79. { "Scale",
  80. PyOCIO_MatrixTransform_Scale, METH_VARARGS | METH_CLASS, MATRIXTRANSFORM_SCALE__DOC__ },
  81. { "View",
  82. PyOCIO_MatrixTransform_View, METH_VARARGS | METH_CLASS, MATRIXTRANSFORM_VIEW__DOC__ },
  83. { NULL, NULL, 0, NULL }
  84. };
  85. }
  86. ///////////////////////////////////////////////////////////////////////////
  87. ///
  88. PyTypeObject PyOCIO_MatrixTransformType = {
  89. PyVarObject_HEAD_INIT(NULL, 0)
  90. "OCIO.MatrixTransform", //tp_name
  91. sizeof(PyOCIO_Transform), //tp_basicsize
  92. 0, //tp_itemsize
  93. 0, //tp_dealloc
  94. 0, //tp_print
  95. 0, //tp_getattr
  96. 0, //tp_setattr
  97. 0, //tp_compare
  98. 0, //tp_repr
  99. 0, //tp_as_number
  100. 0, //tp_as_sequence
  101. 0, //tp_as_mapping
  102. 0, //tp_hash
  103. 0, //tp_call
  104. 0, //tp_str
  105. 0, //tp_getattro
  106. 0, //tp_setattro
  107. 0, //tp_as_buffer
  108. Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, //tp_flags
  109. MATRIXTRANSFORM__DOC__, //tp_doc
  110. 0, //tp_traverse
  111. 0, //tp_clear
  112. 0, //tp_richcompare
  113. 0, //tp_weaklistoffset
  114. 0, //tp_iter
  115. 0, //tp_iternext
  116. PyOCIO_MatrixTransform_methods, //tp_methods
  117. 0, //tp_members
  118. 0, //tp_getset
  119. &PyOCIO_TransformType, //tp_base
  120. 0, //tp_dict
  121. 0, //tp_descr_get
  122. 0, //tp_descr_set
  123. 0, //tp_dictoffset
  124. (initproc) PyOCIO_MatrixTransform_init, //tp_init
  125. 0, //tp_alloc
  126. 0, //tp_new
  127. 0, //tp_free
  128. 0, //tp_is_gc
  129. };
  130. namespace
  131. {
  132. ///////////////////////////////////////////////////////////////////////
  133. ///
  134. int PyOCIO_MatrixTransform_init(PyOCIO_Transform * self, PyObject * /*args*/, PyObject * /*kwds*/)
  135. {
  136. OCIO_PYTRY_ENTER()
  137. return BuildPyTransformObject<MatrixTransformRcPtr>(self, MatrixTransform::Create());
  138. OCIO_PYTRY_EXIT(-1)
  139. }
  140. PyObject * PyOCIO_MatrixTransform_equals(PyObject * self, PyObject * args)
  141. {
  142. OCIO_PYTRY_ENTER()
  143. PyObject* pyobject = 0;
  144. if (!PyArg_ParseTuple(args,"O:equals",
  145. &pyobject)) return NULL;
  146. if(!IsPyOCIOType(pyobject, PyOCIO_MatrixTransformType))
  147. throw Exception("MatrixTransform.equals requires a MatrixTransform argument");
  148. ConstMatrixTransformRcPtr transform = GetConstMatrixTransform(self);
  149. ConstMatrixTransformRcPtr in = GetConstMatrixTransform(pyobject);
  150. return PyBool_FromLong(transform->equals(*in.get()));
  151. OCIO_PYTRY_EXIT(NULL)
  152. }
  153. PyObject * PyOCIO_MatrixTransform_getValue(PyObject * self)
  154. {
  155. OCIO_PYTRY_ENTER()
  156. ConstMatrixTransformRcPtr transform = GetConstMatrixTransform(self);
  157. std::vector<float> matrix(16);
  158. std::vector<float> offset(4);
  159. transform->getValue(&matrix[0], &offset[0]);
  160. PyObject* pymatrix = CreatePyListFromFloatVector(matrix);
  161. PyObject* pyoffset = CreatePyListFromFloatVector(offset);
  162. PyObject* pyreturnval = Py_BuildValue("(OO)", pymatrix, pyoffset);
  163. Py_DECREF(pymatrix);
  164. Py_DECREF(pyoffset);
  165. return pyreturnval;
  166. OCIO_PYTRY_EXIT(NULL)
  167. }
  168. PyObject * PyOCIO_MatrixTransform_setValue(PyObject * self, PyObject * args)
  169. {
  170. OCIO_PYTRY_ENTER()
  171. PyObject* pymatrix = 0;
  172. PyObject* pyoffset = 0;
  173. if (!PyArg_ParseTuple(args, "OO:setValue",
  174. &pymatrix, &pyoffset)) return NULL;
  175. std::vector<float> matrix;
  176. std::vector<float> offset;
  177. if(!FillFloatVectorFromPySequence(pymatrix, matrix) ||
  178. (matrix.size() != 16))
  179. {
  180. PyErr_SetString(PyExc_TypeError,
  181. "First argument must be a float array, size 16");
  182. return 0;
  183. }
  184. if(!FillFloatVectorFromPySequence(pyoffset, offset) ||
  185. (offset.size() != 4))
  186. {
  187. PyErr_SetString(PyExc_TypeError,
  188. "Second argument must be a float array, size 4");
  189. return 0;
  190. }
  191. MatrixTransformRcPtr transform = GetEditableMatrixTransform(self);
  192. transform->setValue(&matrix[0], &offset[0]);
  193. Py_RETURN_NONE;
  194. OCIO_PYTRY_EXIT(NULL)
  195. }
  196. PyObject * PyOCIO_MatrixTransform_getMatrix(PyObject * self)
  197. {
  198. OCIO_PYTRY_ENTER()
  199. ConstMatrixTransformRcPtr transform = GetConstMatrixTransform(self);
  200. std::vector<float> matrix(16);
  201. transform->getMatrix(&matrix[0]);
  202. return CreatePyListFromFloatVector(matrix);
  203. OCIO_PYTRY_EXIT(NULL)
  204. }
  205. PyObject * PyOCIO_MatrixTransform_setMatrix(PyObject * self, PyObject * args)
  206. {
  207. OCIO_PYTRY_ENTER()
  208. PyObject* pymatrix = 0;
  209. if (!PyArg_ParseTuple(args,"O:setValue",
  210. &pymatrix)) return NULL;
  211. std::vector<float> matrix;
  212. if(!FillFloatVectorFromPySequence(pymatrix, matrix) ||
  213. (matrix.size() != 16))
  214. {
  215. PyErr_SetString(PyExc_TypeError,
  216. "First argument must be a float array, size 16");
  217. return 0;
  218. }
  219. MatrixTransformRcPtr transform = GetEditableMatrixTransform(self);
  220. transform->setMatrix(&matrix[0]);
  221. Py_RETURN_NONE;
  222. OCIO_PYTRY_EXIT(NULL)
  223. }
  224. PyObject * PyOCIO_MatrixTransform_getOffset(PyObject * self)
  225. {
  226. OCIO_PYTRY_ENTER()
  227. ConstMatrixTransformRcPtr transform = GetConstMatrixTransform(self);
  228. std::vector<float> offset(4);
  229. transform->getOffset(&offset[0]);
  230. return CreatePyListFromFloatVector(offset);
  231. OCIO_PYTRY_EXIT(NULL)
  232. }
  233. PyObject * PyOCIO_MatrixTransform_setOffset(PyObject * self, PyObject * args)
  234. {
  235. OCIO_PYTRY_ENTER()
  236. PyObject* pyoffset = 0;
  237. if (!PyArg_ParseTuple(args, "O:setValue",
  238. &pyoffset)) return NULL;
  239. std::vector<float> offset;
  240. if(!FillFloatVectorFromPySequence(pyoffset, offset) ||
  241. (offset.size() != 4))
  242. {
  243. PyErr_SetString(PyExc_TypeError,
  244. "First argument must be a float array, size 4");
  245. return 0;
  246. }
  247. MatrixTransformRcPtr transform = GetEditableMatrixTransform(self);
  248. transform->setOffset(&offset[0]);
  249. Py_RETURN_NONE;
  250. OCIO_PYTRY_EXIT(NULL)
  251. }
  252. PyObject * PyOCIO_MatrixTransform_Identity(PyObject * /*self*/)
  253. {
  254. OCIO_PYTRY_ENTER()
  255. std::vector<float> matrix(16);
  256. std::vector<float> offset(4);
  257. MatrixTransform::Identity(&matrix[0], &offset[0]);
  258. PyObject* pymatrix = CreatePyListFromFloatVector(matrix);
  259. PyObject* pyoffset = CreatePyListFromFloatVector(offset);
  260. PyObject* pyreturnval = Py_BuildValue("(OO)", pymatrix, pyoffset);
  261. Py_DECREF(pymatrix);
  262. Py_DECREF(pyoffset);
  263. return pyreturnval;
  264. OCIO_PYTRY_EXIT(NULL)
  265. }
  266. PyObject * PyOCIO_MatrixTransform_Fit(PyObject * /*self*/, PyObject * args)
  267. {
  268. OCIO_PYTRY_ENTER()
  269. PyObject* pyoldmin = 0;
  270. PyObject* pyoldmax = 0;
  271. PyObject* pynewmin = 0;
  272. PyObject* pynewmax = 0;
  273. if (!PyArg_ParseTuple(args,"OOOO:Fit",
  274. &pyoldmin, &pyoldmax, &pynewmin, &pynewmax)) return NULL;
  275. std::vector<float> oldmin;
  276. if(!FillFloatVectorFromPySequence(pyoldmin, oldmin) ||
  277. (oldmin.size() != 4))
  278. {
  279. PyErr_SetString(PyExc_TypeError,
  280. "First argument must be a float array, size 4");
  281. return 0;
  282. }
  283. std::vector<float> oldmax;
  284. if(!FillFloatVectorFromPySequence(pyoldmax, oldmax) ||
  285. (oldmax.size() != 4))
  286. {
  287. PyErr_SetString(PyExc_TypeError,
  288. "Second argument must be a float array, size 4");
  289. return 0;
  290. }
  291. std::vector<float> newmin;
  292. if(!FillFloatVectorFromPySequence(pynewmin, newmin) ||
  293. (newmin.size() != 4))
  294. {
  295. PyErr_SetString(PyExc_TypeError,
  296. "Third argument must be a float array, size 4");
  297. return 0;
  298. }
  299. std::vector<float> newmax;
  300. if(!FillFloatVectorFromPySequence(pynewmax, newmax) ||
  301. (newmax.size() != 4))
  302. {
  303. PyErr_SetString(PyExc_TypeError,
  304. "Fourth argument must be a float array, size 4");
  305. return 0;
  306. }
  307. std::vector<float> matrix(16);
  308. std::vector<float> offset(4);
  309. MatrixTransform::Fit(&matrix[0], &offset[0],
  310. &oldmin[0], &oldmax[0],
  311. &newmin[0], &newmax[0]);
  312. PyObject* pymatrix = CreatePyListFromFloatVector(matrix);
  313. PyObject* pyoffset = CreatePyListFromFloatVector(offset);
  314. PyObject* pyreturnval = Py_BuildValue("(OO)", pymatrix, pyoffset);
  315. Py_DECREF(pymatrix);
  316. Py_DECREF(pyoffset);
  317. return pyreturnval;
  318. OCIO_PYTRY_EXIT(NULL)
  319. }
  320. PyObject * PyOCIO_MatrixTransform_Sat(PyObject * /*self*/, PyObject * args)
  321. {
  322. OCIO_PYTRY_ENTER()
  323. float sat = 0.0;
  324. PyObject* pyluma = 0;
  325. if (!PyArg_ParseTuple(args,"fO:Sat",
  326. &sat, &pyluma)) return NULL;
  327. std::vector<float> luma;
  328. if(!FillFloatVectorFromPySequence(pyluma, luma) ||
  329. (luma.size() != 3))
  330. {
  331. PyErr_SetString(PyExc_TypeError,
  332. "Second argument must be a float array, size 3");
  333. return 0;
  334. }
  335. std::vector<float> matrix(16);
  336. std::vector<float> offset(4);
  337. MatrixTransform::Sat(&matrix[0], &offset[0],
  338. sat, &luma[0]);
  339. PyObject* pymatrix = CreatePyListFromFloatVector(matrix);
  340. PyObject* pyoffset = CreatePyListFromFloatVector(offset);
  341. PyObject* pyreturnval = Py_BuildValue("(OO)", pymatrix, pyoffset);
  342. Py_DECREF(pymatrix);
  343. Py_DECREF(pyoffset);
  344. return pyreturnval;
  345. OCIO_PYTRY_EXIT(NULL)
  346. }
  347. PyObject * PyOCIO_MatrixTransform_Scale(PyObject * /*self*/, PyObject * args)
  348. {
  349. OCIO_PYTRY_ENTER()
  350. PyObject* pyscale = 0;
  351. if (!PyArg_ParseTuple(args,"O:Scale",
  352. &pyscale)) return NULL;
  353. std::vector<float> scale;
  354. if(!FillFloatVectorFromPySequence(pyscale, scale) ||
  355. (scale.size() != 4))
  356. {
  357. PyErr_SetString(PyExc_TypeError,
  358. "Second argument must be a float array, size 4");
  359. return 0;
  360. }
  361. std::vector<float> matrix(16);
  362. std::vector<float> offset(4);
  363. MatrixTransform::Scale(&matrix[0], &offset[0], &scale[0]);
  364. PyObject* pymatrix = CreatePyListFromFloatVector(matrix);
  365. PyObject* pyoffset = CreatePyListFromFloatVector(offset);
  366. PyObject* pyreturnval = Py_BuildValue("(OO)", pymatrix, pyoffset);
  367. Py_DECREF(pymatrix);
  368. Py_DECREF(pyoffset);
  369. return pyreturnval;
  370. OCIO_PYTRY_EXIT(NULL)
  371. }
  372. PyObject * PyOCIO_MatrixTransform_View(PyObject * /*self*/, PyObject * args)
  373. {
  374. OCIO_PYTRY_ENTER()
  375. PyObject* pychannelhot = 0;
  376. PyObject* pyluma = 0;
  377. if (!PyArg_ParseTuple(args,"OO:View",
  378. &pychannelhot, &pyluma)) return NULL;
  379. std::vector<int> channelhot;
  380. if(!FillIntVectorFromPySequence(pychannelhot, channelhot) ||
  381. (channelhot.size() != 4))
  382. {
  383. PyErr_SetString(PyExc_TypeError,
  384. "First argument must be a bool/int array, size 4");
  385. return 0;
  386. }
  387. std::vector<float> luma;
  388. if(!FillFloatVectorFromPySequence(pyluma, luma) ||
  389. (luma.size() != 3))
  390. {
  391. PyErr_SetString(PyExc_TypeError,
  392. "Second argument must be a float array, size 3");
  393. return 0;
  394. }
  395. std::vector<float> matrix(16);
  396. std::vector<float> offset(4);
  397. MatrixTransform::View(&matrix[0], &offset[0],
  398. &channelhot[0], &luma[0]);
  399. PyObject* pymatrix = CreatePyListFromFloatVector(matrix);
  400. PyObject* pyoffset = CreatePyListFromFloatVector(offset);
  401. PyObject* pyreturnval = Py_BuildValue("(OO)", pymatrix, pyoffset);
  402. Py_DECREF(pymatrix);
  403. Py_DECREF(pyoffset);
  404. return pyreturnval;
  405. OCIO_PYTRY_EXIT(NULL)
  406. }
  407. }
  408. }
  409. OCIO_NAMESPACE_EXIT