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| # | |
| # Copyright (C) from 2009 to Present EPAM Systems. | |
| # | |
| # This file is part of Indigo toolkit. | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| import os | |
| import platform | |
| from ctypes import CDLL, POINTER, c_char_p, c_int | |
| from . import IndigoException | |
| class IndigoRenderer(object): | |
| def __init__(self, indigo): | |
| self.indigo = indigo | |
| if ( | |
| os.name == "posix" | |
| and not platform.mac_ver()[0] | |
| and not platform.system().startswith("CYGWIN") | |
| ): | |
| self._lib = CDLL(indigo.dllpath + "/libindigo-renderer.so") | |
| elif os.name == "nt" or platform.system().startswith("CYGWIN"): | |
| self._lib = CDLL(indigo.dllpath + "\indigo-renderer.dll") | |
| elif platform.mac_ver()[0]: | |
| self._lib = CDLL(indigo.dllpath + "/libindigo-renderer.dylib") | |
| else: | |
| raise IndigoException("unsupported OS: " + os.name) | |
| self._lib.indigoRender.restype = c_int | |
| self._lib.indigoRender.argtypes = [c_int, c_int] | |
| self._lib.indigoRenderToFile.restype = c_int | |
| self._lib.indigoRenderToFile.argtypes = [c_int, c_char_p] | |
| self._lib.indigoRenderGrid.restype = c_int | |
| self._lib.indigoRenderGrid.argtypes = [ | |
| c_int, | |
| POINTER(c_int), | |
| c_int, | |
| c_int, | |
| ] | |
| self._lib.indigoRenderGridToFile.restype = c_int | |
| self._lib.indigoRenderGridToFile.argtypes = [ | |
| c_int, | |
| POINTER(c_int), | |
| c_int, | |
| c_char_p, | |
| ] | |
| self._lib.indigoRenderReset.restype = c_int | |
| self._lib.indigoRenderReset.argtypes = [c_int] | |
| def renderToBuffer(self, obj): | |
| self.indigo._setSessionId() | |
| wb = self.indigo.writeBuffer() | |
| try: | |
| self.indigo._checkResult(self._lib.indigoRender(obj.id, wb.id)) | |
| return wb.toBuffer() | |
| finally: | |
| wb.dispose() | |
| def renderToFile(self, obj, filename): | |
| self.indigo._setSessionId() | |
| self.indigo._checkResult( | |
| self._lib.indigoRenderToFile(obj.id, filename.encode("ascii")) | |
| ) | |
| def renderGridToFile(self, objects, refatoms, ncolumns, filename): | |
| self.indigo._setSessionId() | |
| arr = None | |
| if refatoms: | |
| if len(refatoms) != objects.count(): | |
| raise IndigoException( | |
| "renderGridToFile(): refatoms[] size must be equal to the number of objects" | |
| ) | |
| arr = (c_int * len(refatoms))() | |
| for i in range(len(refatoms)): | |
| arr[i] = refatoms[i] | |
| self.indigo._checkResult( | |
| self._lib.indigoRenderGridToFile( | |
| objects.id, arr, ncolumns, filename.encode("ascii") | |
| ) | |
| ) | |
| def renderGridToBuffer(self, objects, refatoms, ncolumns): | |
| self.indigo._setSessionId() | |
| arr = None | |
| if refatoms: | |
| if len(refatoms) != objects.count(): | |
| raise IndigoException( | |
| "renderGridToBuffer(): refatoms[] size must be equal to the number of objects" | |
| ) | |
| arr = (c_int * len(refatoms))() | |
| for i in range(len(refatoms)): | |
| arr[i] = refatoms[i] | |
| wb = self.indigo.writeBuffer() | |
| try: | |
| self.indigo._checkResult( | |
| self._lib.indigoRenderGrid(objects.id, arr, ncolumns, wb.id) | |
| ) | |
| return wb.toBuffer() | |
| finally: | |
| wb.dispose() | |