/****************************************************************************** ** Filename: flexfx.c ** Purpose: Interface to flexible feature extractor. ** Author: Dan Johnson ** History: Wed May 23 13:45:10 1990, DSJ, Created. ** ** (c) Copyright Hewlett-Packard Company, 1988. ** 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. ******************************************************************************/ /**---------------------------------------------------------------------------- Include Files and Type Defines ----------------------------------------------------------------------------**/ #include "flexfx.h" #include "featdefs.h" #include "emalloc.h" #include #include /**---------------------------------------------------------------------------- Public Code ----------------------------------------------------------------------------**/ /*---------------------------------------------------------------------------*/ // Deprecated! Will be deleted soon! // In the meantime, as all TBLOBs, Blob is in baseline normalized coords. // See SetupBLCNDenorms in intfx.cpp for other args. CHAR_DESC ExtractFlexFeatures(const FEATURE_DEFS_STRUCT &FeatureDefs, TBLOB *Blob, const DENORM& bl_denorm, const DENORM& cn_denorm, const INT_FX_RESULT_STRUCT& fx_info) { /* ** Parameters: ** Blob blob to extract features from ** denorm control parameter for feature extractor ** Globals: none ** Operation: Allocate a new character descriptor and fill it in by ** calling all feature extractors which are enabled. ** Return: Structure containing features extracted from Blob. ** Exceptions: none ** History: Wed May 23 13:46:22 1990, DSJ, Created. */ int Type; CHAR_DESC CharDesc; CharDesc = NewCharDescription(FeatureDefs); for (Type = 0; Type < CharDesc->NumFeatureSets; Type++) if (FeatureDefs.FeatureExtractors[Type] != NULL && FeatureDefs.FeatureExtractors[Type]->Extractor != NULL) { CharDesc->FeatureSets[Type] = (FeatureDefs.FeatureExtractors[Type])->Extractor(Blob, bl_denorm, cn_denorm, fx_info); if (CharDesc->FeatureSets[Type] == NULL) { tprintf("Feature extractor for type %d = %s returned NULL!\n", Type, FeatureDefs.FeatureDesc[Type]->ShortName); FreeCharDescription(CharDesc); return NULL; } } return (CharDesc); } /* ExtractFlexFeatures */