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/******************************************************************************
** Filename: featdefs.c
** Purpose: Definitions of currently defined feature types.
** Author: Dan Johnson
** History: Mon May 21 10:26:21 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 "featdefs.h"
#include "emalloc.h"
#include "danerror.h"
#include "scanutils.h"
#include "variables.h"
#include "sigmenu.h"
#include <string.h>
#include <stdio.h>
/* define errors triggered by this module */
#define ILLEGAL_NUM_SETS 3001
#define PICO_FEATURE_LENGTH 0.05
#define MAX_OUTLINE_FEATURES 100
/**----------------------------------------------------------------------------
Global Data Definitions and Declarations
----------------------------------------------------------------------------**/
/* define all of the parameters for the MicroFeature type*/
StartParamDesc (MicroFeatureParams)
DefineParam (0, 0, -0.5, 0.5)
DefineParam (0, 0, -0.25, 0.75)
DefineParam (0, 1, 0.0, 1.0)
DefineParam (1, 0, 0.0, 1.0)
DefineParam (0, 1, -0.5, 0.5)
DefineParam (0, 1, -0.5, 0.5)
EndParamDesc
/* now define the feature type itself (see features.h for info about each
parameter).*/
DefineFeature (MicroFeatureDesc, 5, 1, 4, 50, "Micro", "mf", MicroFeatureParams)
// define all of the parameters for the PicoFeature type
/* define knob that can be used to adjust pico-feature length */
FLOAT32 PicoFeatureLength = PICO_FEATURE_LENGTH;
StartParamDesc (PicoFeatParams)
DefineParam (0, 0, -0.25, 0.75)
DefineParam (1, 0, 0.0, 1.0)
DefineParam (0, 0, -0.5, 0.5)
EndParamDesc
/* now define the feature type itself (see features.h for info about each
parameter).*/
DefineFeature (PicoFeatDesc, 2, 1, 1, MAX_UINT8, "Pico", "pf", PicoFeatParams)
/* define all of the parameters for the NormFeat type*/
StartParamDesc (CharNormParams)
DefineParam (0, 0, -0.25, 0.75)
DefineParam (0, 1, 0.0, 1.0)
DefineParam (0, 1, 0.0, 1.0)
DefineParam (0, 1, 0.0, 1.0)
EndParamDesc
/* now define the feature type itself (see features.h for info about each
parameter).*/
DefineFeature (CharNormDesc, 4, 0, 1, 1, "CharNorm", "cn", CharNormParams)
// define all of the parameters for the OutlineFeature type
StartParamDesc (OutlineFeatParams)
DefineParam (0, 0, -0.5, 0.5)
DefineParam (0, 0, -0.25, 0.75)
DefineParam (0, 0, 0.0, 1.0)
DefineParam (1, 0, 0.0, 1.0)
EndParamDesc
/* now define the feature type itself (see features.h for info about each
parameter).*/
DefineFeature (OutlineFeatDesc, 3, 1, 1, MAX_OUTLINE_FEATURES, "Outline",
"of", OutlineFeatParams)
/**----------------------------------------------------------------------------
Global Data Definitions and Declarations
----------------------------------------------------------------------------**/
FEATURE_DEFS_STRUCT FeatureDefs = {
NUM_FEATURE_TYPES,
{
&MicroFeatureDesc,
&PicoFeatDesc,
&OutlineFeatDesc,
&CharNormDesc
}
};
/**----------------------------------------------------------------------------
Public Code
----------------------------------------------------------------------------**/
/*---------------------------------------------------------------------------*/
void FreeCharDescription(CHAR_DESC CharDesc) {
/*
** Parameters:
** CharDesc character description to be deallocated
** Globals: none
** Operation: Release the memory consumed by the specified character
** description and all of the features in that description.
** Return: none
** Exceptions: none
** History: Wed May 23 13:52:19 1990, DSJ, Created.
*/
int i;
if (CharDesc) {
for (i = 0; i < CharDesc->NumFeatureSets; i++)
FreeFeatureSet (CharDesc->FeatureSets[i]);
Efree(CharDesc);
}
} /* FreeCharDescription */
/*---------------------------------------------------------------------------*/
CHAR_DESC NewCharDescription() {
/*
** Parameters: none
** Globals: none
** Operation: Allocate a new character description, initialize its
** feature sets to be empty, and return it.
** Return: New character description structure.
** Exceptions: none
** History: Wed May 23 15:27:10 1990, DSJ, Created.
*/
CHAR_DESC CharDesc;
int i;
CharDesc = (CHAR_DESC) Emalloc (sizeof (CHAR_DESC_STRUCT));
CharDesc->NumFeatureSets = FeatureDefs.NumFeatureTypes;
for (i = 0; i < CharDesc->NumFeatureSets; i++)
CharDesc->FeatureSets[i] = NULL;
return (CharDesc);
} /* NewCharDescription */
/*---------------------------------------------------------------------------*/
void WriteCharDescription(FILE *File, CHAR_DESC CharDesc) {
/*
** Parameters:
** File open text file to write CharDesc to
** CharDesc character description to write to File
** Globals: none
** Operation: Write a textual representation of CharDesc to File.
** The format used is to write out the number of feature
** sets which will be written followed by a representation of
** each feature set.
** Each set starts with the short name for that feature followed
** by a description of the feature set. Feature sets which are
** not present are not written.
** Return: none
** Exceptions: none
** History: Wed May 23 17:21:18 1990, DSJ, Created.
*/
int Type;
int NumSetsToWrite = 0;
for (Type = 0; Type < CharDesc->NumFeatureSets; Type++)
if (CharDesc->FeatureSets[Type])
NumSetsToWrite++;
fprintf (File, " %d\n", NumSetsToWrite);
for (Type = 0; Type < CharDesc->NumFeatureSets; Type++)
if (CharDesc->FeatureSets[Type]) {
fprintf (File, "%s ", (FeatureDefs.FeatureDesc[Type])->ShortName);
WriteFeatureSet (File, CharDesc->FeatureSets[Type]);
}
} /* WriteCharDescription */
/*---------------------------------------------------------------------------*/
CHAR_DESC ReadCharDescription(FILE *File) {
/*
** Parameters:
** File open text file to read character description from
** Globals: none
** Operation: Read a character description from File, and return
** a data structure containing this information. The data
** is formatted as follows:
** NumberOfSets
** ShortNameForSet1 Set1
** ShortNameForSet2 Set2
** ...
** Return: Character description read from File.
** Exceptions: ILLEGAL_NUM_SETS
** History: Wed May 23 17:32:48 1990, DSJ, Created.
*/
int NumSetsToRead;
char ShortName[FEAT_NAME_SIZE];
CHAR_DESC CharDesc;
int Type;
if (fscanf (File, "%d", &NumSetsToRead) != 1 ||
NumSetsToRead < 0 || NumSetsToRead > FeatureDefs.NumFeatureTypes)
DoError (ILLEGAL_NUM_SETS, "Illegal number of feature sets");
CharDesc = NewCharDescription ();
for (; NumSetsToRead > 0; NumSetsToRead--) {
fscanf (File, "%s", ShortName);
Type = ShortNameToFeatureType (ShortName);
CharDesc->FeatureSets[Type] =
ReadFeatureSet (File, FeatureDefs.FeatureDesc[Type]);
}
return (CharDesc);
} // ReadCharDescription
/*---------------------------------------------------------------------------*/
int ShortNameToFeatureType(const char *ShortName) {
/*
** Parameters:
** ShortName short name of a feature type
** Globals: none
** Operation: Search thru all features currently defined and return
** the feature type for the feature with the specified short
** name. Trap an error if the specified name is not found.
** Return: Feature type which corresponds to ShortName.
** Exceptions: ILLEGAL_SHORT_NAME
** History: Wed May 23 15:36:05 1990, DSJ, Created.
*/
int i;
for (i = 0; i < FeatureDefs.NumFeatureTypes; i++)
if (!strcmp ((FeatureDefs.FeatureDesc[i]->ShortName), ShortName))
return (i);
DoError (ILLEGAL_SHORT_NAME, "Illegal short name for a feature");
return 0;
} // ShortNameToFeatureType
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