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android / platform / external / tesseract / 405ea84b6613c78d58a1b02ba94915af8c0d5f66 / . / classify / intproto.cpp
blob: 6a233a2a933efcd370bd8706cdbceb49337afe72 [file] [log] [blame]
/******************************************************************************
** Filename: intproto.c
** Purpose: Definition of data structures for integer protos.
** Author: Dan Johnson
** History: Thu Feb 7 14:38:16 1991, 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 "intproto.h"
#include "picofeat.h"
#include "debug.h"
#include "mfoutline.h"
#include "emalloc.h"
#include "const.h"
#include "ndminx.h"
#ifndef GRAPHICS_DISABLED
#include "svmnode.h"
#endif
#include "adaptmatch.h"
#include "globals.h"
#include "classify.h"
#include "genericvector.h"
//extern GetPicoFeatureLength();
#include <math.h>
#include <stdio.h>
#include <assert.h>
#ifdef __UNIX__
#include <unistd.h>
#endif
/* match debug display constants*/
#define DISPLAY_OFFSET (0.5 * INT_CHAR_NORM_RANGE)
#define PROTO_PRUNER_SCALE (4.0)
#define INT_DESCENDER (0.0 * INT_CHAR_NORM_RANGE - DISPLAY_OFFSET)
#define INT_BASELINE (0.25 * INT_CHAR_NORM_RANGE - DISPLAY_OFFSET)
#define INT_XHEIGHT (0.75 * INT_CHAR_NORM_RANGE - DISPLAY_OFFSET)
#define INT_CAPHEIGHT (1.0 * INT_CHAR_NORM_RANGE - DISPLAY_OFFSET)
#define INT_XCENTER (0.5 * INT_CHAR_NORM_RANGE - DISPLAY_OFFSET)
#define INT_YCENTER (0.5 * INT_CHAR_NORM_RANGE - DISPLAY_OFFSET)
#define INT_XRADIUS (0.2 * INT_CHAR_NORM_RANGE)
#define INT_YRADIUS (0.2 * INT_CHAR_NORM_RANGE)
#define INT_MIN_X (- DISPLAY_OFFSET)
#define INT_MIN_Y (- DISPLAY_OFFSET)
#define INT_MAX_X ( DISPLAY_OFFSET)
#define INT_MAX_Y ( DISPLAY_OFFSET)
#define DOUBLE_OFFSET 0.095
/* define pad used to snap near horiz/vertical protos to horiz/vertical */
#define HV_TOLERANCE (0.0025) /* approx 0.9 degrees */
typedef enum
{ StartSwitch, EndSwitch, LastSwitch }
SWITCH_TYPE;
#define MAX_NUM_SWITCHES 3
typedef struct
{
SWITCH_TYPE Type;
inT8 X, Y;
inT16 YInit;
inT16 Delta;
}
FILL_SWITCH;
typedef struct
{
uinT8 NextSwitch;
uinT8 AngleStart, AngleEnd;
inT8 X;
inT16 YStart, YEnd;
inT16 StartDelta, EndDelta;
FILL_SWITCH Switch[MAX_NUM_SWITCHES];
}
TABLE_FILLER;
typedef struct
{
inT8 X;
inT8 YStart, YEnd;
uinT8 AngleStart, AngleEnd;
}
FILL_SPEC;
enum IntmatcherDebugAction {
IDA_ADAPTIVE,
IDA_STATIC,
IDA_BOTH
};
/* constants for conversion from old inttemp format */
#define OLD_MAX_NUM_CONFIGS 32
#define OLD_WERDS_PER_CONFIG_VEC ((OLD_MAX_NUM_CONFIGS + BITS_PER_WERD - 1) /\
BITS_PER_WERD)
/**----------------------------------------------------------------------------
Macros
----------------------------------------------------------------------------**/
/* macro for performing circular increments of bucket indices */
#define CircularIncrement(i,r) (((i) < (r) - 1)?((i)++):((i) = 0))
/* macro for mapping floats to ints without bounds checking */
#define MapParam(P,O,N) (floor (((P) + (O)) * (N)))
/*---------------------------------------------------------------------------
Private Function Prototypes
----------------------------------------------------------------------------*/
FLOAT32 BucketStart(int Bucket, FLOAT32 Offset, int NumBuckets);
FLOAT32 BucketEnd(int Bucket, FLOAT32 Offset, int NumBuckets);
void DoFill(FILL_SPEC *FillSpec,
CLASS_PRUNER Pruner,
register uinT32 ClassMask,
register uinT32 ClassCount,
register uinT32 WordIndex);
BOOL8 FillerDone(TABLE_FILLER *Filler);
void FillPPCircularBits (uinT32
ParamTable[NUM_PP_BUCKETS][WERDS_PER_PP_VECTOR],
int Bit, FLOAT32 Center, FLOAT32 Spread);
void FillPPLinearBits (uinT32 ParamTable[NUM_PP_BUCKETS][WERDS_PER_PP_VECTOR],
int Bit, FLOAT32 Center, FLOAT32 Spread);
#ifndef GRAPHICS_DISABLED
CLASS_ID GetClassToDebug(const char *Prompt);
#endif
void GetCPPadsForLevel(int Level,
FLOAT32 *EndPad,
FLOAT32 *SidePad,
FLOAT32 *AnglePad);
C_COL GetMatchColorFor(FLOAT32 Evidence);
void GetNextFill(TABLE_FILLER *Filler, FILL_SPEC *Fill);
void InitTableFiller(FLOAT32 EndPad,
FLOAT32 SidePad,
FLOAT32 AnglePad,
PROTO Proto,
TABLE_FILLER *Filler);
#ifndef GRAPHICS_DISABLED
void RenderIntFeature(void *window, INT_FEATURE Feature, C_COL Color);
void RenderIntProto(void *window,
INT_CLASS Class,
PROTO_ID ProtoId,
C_COL Color);
#endif
int TruncateParam(FLOAT32 Param, int Min, int Max, char *Id);
/*
#if defined(__STDC__) || defined(__cplusplus)
# define _ARGS(s) s
#else
# define _ARGS(s) ()
#endif*/
/* /users/danj/wiseowl/src/danj/microfeatures/intproto.c
FLOAT32 BucketStart
_ARGS((int Bucket,
FLOAT32 Offset,
int NumBuckets));
FLOAT32 BucketEnd
_ARGS((int Bucket,
FLOAT32 Offset,
int NumBuckets));
void DoFill
_ARGS((FILL_SPEC *FillSpec,
CLASS_PRUNER Pruner,
uinT32 ClassMask,
uinT32 ClassCount,
uinT32 WordIndex));
BOOL8 FillerDone
_ARGS((TABLE_FILLER *Filler));
void FillPPCircularBits
_ARGS((uinT32 ParamTable [NUM_PP_BUCKETS ][WERDS_PER_PP_VECTOR ],
int Bit,
FLOAT32 Center,
FLOAT32 Spread));
void FillPPLinearBits
_ARGS((uinT32 ParamTable [NUM_PP_BUCKETS ][WERDS_PER_PP_VECTOR ],
int Bit,
FLOAT32 Center,
FLOAT32 Spread));
void GetCPPadsForLevel
_ARGS((int Level,
FLOAT32 *EndPad,
FLOAT32 *SidePad,
FLOAT32 *AnglePad));
C_COL GetMatchColorFor
_ARGS((FLOAT32 Evidence));
void GetNextFill
_ARGS((TABLE_FILLER *Filler,
FILL_SPEC *Fill));
void InitTableFiller
_ARGS((FLOAT32 EndPad,
FLOAT32 SidePad,
FLOAT32 AnglePad,
PROTO Proto,
TABLE_FILLER *Filler));
void RenderIntFeature
_ARGS((SHAPE_LIST ShapeList,
INT_FEATURE Feature,
char *Color));
void RenderIntProto
_ARGS((SHAPE_LIST ShapeList,
INT_CLASS Class,
PROTO_ID ProtoId,
char *Color));
int TruncateParam
_ARGS((FLOAT32 Param,
int Min,
int Max,
char *Id));
#undef _ARGS
*/
/**----------------------------------------------------------------------------
Global Data Definitions and Declarations
----------------------------------------------------------------------------**/
/* control knobs */
make_int_const (NumCPLevels, 3, MakeNumCPLevels);
make_float_const (CPAnglePadLoose, 45.0, MakeCPAnglePadLoose);
make_float_const (CPAnglePadMedium, 20.0, MakeCPAnglePadMedium);
make_float_const (CPAnglePadTight, 10.0, MakeCPAnglePadTight);
make_float_const (CPEndPadLoose, 0.5, MakeCPEndPadLoose);
make_float_const (CPEndPadMedium, 0.5, MakeCPEndPadMedium);
make_float_const (CPEndPadTight, 0.5, MakeCPEndPadTight);
make_float_const (CPSidePadLoose, 2.5, MakeCPSidePadLoose);
make_float_const (CPSidePadMedium, 1.2, MakeCPSidePadMedium);
make_float_const (CPSidePadTight, 0.6, MakeCPSidePadTight);
make_float_const (PPAnglePad, 45.0, MakePPAnglePad);
make_float_const (PPEndPad, 0.5, MakePPEndPad);
make_float_const (PPSidePad, 2.5, MakePPSidePad);
/* global display lists used to display proto and feature match information*/
ScrollView *IntMatchWindow = NULL;
//extern int LearningDebugLevel;
/**----------------------------------------------------------------------------
Public Code
----------------------------------------------------------------------------**/
/*---------------------------------------------------------------------------*/
void AddIntClass(INT_TEMPLATES Templates, CLASS_ID ClassId, INT_CLASS Class) {
/*
** Parameters:
** Templates templates to add new class to
** ClassId class id to associate new class with
** Class class data structure to add to templates
** Globals: none
** Operation: This routine adds a new class structure to a set of
** templates. Classes have to be added to Templates in
** the order of increasing ClassIds.
** Return: none
** Exceptions: none
** History: Mon Feb 11 11:52:08 1991, DSJ, Created.
*/
int Pruner;
uinT32 *Word;
assert (LegalClassId (ClassId));
if (ClassId != NumClassesIn(Templates)) {
fprintf(stderr, "Please make sure that classes are added to templates");
fprintf(stderr, " in increasing order of ClassIds\n");
exit(1);
}
ClassForClassId (Templates, ClassId) = Class;
NumClassesIn (Templates)++;
if (NumClassesIn (Templates) > MaxNumClassesIn (Templates)) {
Pruner = NumClassPrunersIn (Templates);
NumClassPrunersIn (Templates)++;
Templates->ClassPruner[Pruner] =
(CLASS_PRUNER) Emalloc (sizeof (CLASS_PRUNER_STRUCT));
for (Word = (uinT32 *) (Templates->ClassPruner[Pruner]);
Word < (uinT32 *) (Templates->ClassPruner[Pruner]) + WERDS_PER_CP;
*Word++ = 0);
}
} /* AddIntClass */
/*---------------------------------------------------------------------------*/
int AddIntConfig(INT_CLASS Class) {
/*
** Parameters:
** Class class to add new configuration to
** Globals: none
** Operation: This routine returns the index of the next free config
** in Class.
** Return: Index of next free config.
** Exceptions: none
** History: Mon Feb 11 14:44:40 1991, DSJ, Created.
*/
int Index;
assert (NumIntConfigsIn (Class) < MAX_NUM_CONFIGS);
Index = NumIntConfigsIn (Class);
NumIntConfigsIn (Class)++;
LengthForConfigId (Class, Index) = 0;
return (Index);
} /* AddIntConfig */
/*---------------------------------------------------------------------------*/
int AddIntProto(INT_CLASS Class) {
/*
** Parameters:
** Class class to add new proto to
** Globals: none
** Operation: This routine allocates the next free proto in Class and
** returns its index.
** Return: Proto index of new proto.
** Exceptions: none
** History: Mon Feb 11 13:26:41 1991, DSJ, Created.
*/
int Index;
int ProtoSetId;
PROTO_SET ProtoSet;
INT_PROTO Proto;
register uinT32 *Word;
if (NumIntProtosIn (Class) >= MAX_NUM_PROTOS)
return (NO_PROTO);
Index = NumIntProtosIn (Class);
NumIntProtosIn (Class)++;
if (NumIntProtosIn (Class) > MaxNumIntProtosIn (Class)) {
ProtoSetId = NumProtoSetsIn (Class);
NumProtoSetsIn (Class)++;
ProtoSet = (PROTO_SET) Emalloc (sizeof (PROTO_SET_STRUCT));
ProtoSetIn (Class, ProtoSetId) = ProtoSet;
for (Word = (uinT32 *) (ProtoPrunerFor (ProtoSet));
Word < (uinT32 *) (ProtoPrunerFor (ProtoSet)) + WERDS_PER_PP;
*Word++ = 0);
/* reallocate space for the proto lengths and install in class */
Class->ProtoLengths =
(uinT8 *)Erealloc(Class->ProtoLengths,
MaxNumIntProtosIn(Class) * sizeof(uinT8));
}
/* initialize proto so its length is zero and it isn't in any configs */
LengthForProtoId (Class, Index) = 0;
Proto = ProtoForProtoId (Class, Index);
for (Word = Proto->Configs;
Word < Proto->Configs + WERDS_PER_CONFIG_VEC; *Word++ = 0);
return (Index);
} /* AddIntProto */
/*---------------------------------------------------------------------------*/
void AddProtoToClassPruner (PROTO Proto, CLASS_ID ClassId,
INT_TEMPLATES Templates)
/*
** Parameters:
** Proto floating-pt proto to add to class pruner
** ClassId class id corresponding to Proto
** Templates set of templates containing class pruner
** Globals:
** NumCPLevels number of levels used in the class pruner
** Operation: This routine adds Proto to the class pruning tables
** for the specified class in Templates.
** Return: none
** Exceptions: none
** History: Wed Feb 13 08:49:54 1991, DSJ, Created.
*/
#define MAX_LEVEL 2
{
CLASS_PRUNER Pruner;
uinT32 ClassMask;
uinT32 ClassCount;
uinT32 WordIndex;
int Level;
FLOAT32 EndPad, SidePad, AnglePad;
TABLE_FILLER TableFiller;
FILL_SPEC FillSpec;
Pruner = CPrunerFor (Templates, ClassId);
WordIndex = CPrunerWordIndexFor (ClassId);
ClassMask = CPrunerMaskFor (MAX_LEVEL, ClassId);
for (Level = NumCPLevels - 1; Level >= 0; Level--) {
GetCPPadsForLevel(Level, &EndPad, &SidePad, &AnglePad);
ClassCount = CPrunerMaskFor (Level, ClassId);
InitTableFiller(EndPad, SidePad, AnglePad, Proto, &TableFiller);
while (!FillerDone (&TableFiller)) {
GetNextFill(&TableFiller, &FillSpec);
DoFill(&FillSpec, Pruner, ClassMask, ClassCount, WordIndex);
}
}
} /* AddProtoToClassPruner */
/*---------------------------------------------------------------------------*/
void AddProtoToProtoPruner(PROTO Proto, int ProtoId, INT_CLASS Class) {
/*
** Parameters:
** Proto floating-pt proto to be added to proto pruner
** ProtoId id of proto
** Class integer class that contains desired proto pruner
** Globals: none
** Operation: This routine updates the proto pruner lookup tables
** for Class to include a new proto identified by ProtoId
** and described by Proto.
** Return: none
** Exceptions: none
** History: Fri Feb 8 13:07:19 1991, DSJ, Created.
*/
FLOAT32 Angle, X, Y, Length;
FLOAT32 Pad;
int Index;
PROTO_SET ProtoSet;
if (ProtoId >= NumIntProtosIn (Class))
cprintf ("AddProtoToProtoPruner:assert failed: %d < %d",
ProtoId, NumIntProtosIn (Class));
assert (ProtoId < NumIntProtosIn (Class));
Index = IndexForProto (ProtoId);
ProtoSet = ProtoSetIn (Class, SetForProto (ProtoId));
Angle = ProtoAngle (Proto);
assert (!isnan(Angle));
FillPPCircularBits (ProtoSet->ProtoPruner[PRUNER_ANGLE], Index,
Angle + ANGLE_SHIFT, PPAnglePad / 360.0);
Angle *= 2.0 * PI;
Length = ProtoLength (Proto);
X = ProtoX (Proto) + X_SHIFT;
Pad = MAX (fabs (cos (Angle)) * (Length / 2.0 +
PPEndPad * GetPicoFeatureLength ()),
fabs (sin (Angle)) * (PPSidePad * GetPicoFeatureLength ()));
FillPPLinearBits (ProtoSet->ProtoPruner[PRUNER_X], Index, X, Pad);
Y = ProtoY (Proto) + Y_SHIFT;
Pad = MAX (fabs (sin (Angle)) * (Length / 2.0 +
PPEndPad * GetPicoFeatureLength ()),
fabs (cos (Angle)) * (PPSidePad * GetPicoFeatureLength ()));
FillPPLinearBits(ProtoSet->ProtoPruner[PRUNER_Y], Index, Y, Pad);
} /* AddProtoToProtoPruner */
/*---------------------------------------------------------------------------*/
int BucketFor(FLOAT32 Param, FLOAT32 Offset, int NumBuckets) {
/*
** Parameters:
** Param parameter value to map into a bucket number
** Offset amount to shift param before mapping it
** NumBuckets number of buckets to map param into
** Globals: none
** Operation: This routine maps a parameter value into a bucket between
** 0 and NumBuckets-1. Offset is added to the parameter
** before mapping it. Values which map to buckets outside
** the range are truncated to fit within the range. Mapping
** is done by truncating rather than rounding.
** Return: Bucket number corresponding to Param + Offset.
** Exceptions: none
** History: Thu Feb 14 13:24:33 1991, DSJ, Created.
*/
int Bucket;
Bucket = (int) MapParam (Param, Offset, NumBuckets);
if (Bucket < 0)
Bucket = 0;
else if (Bucket >= NumBuckets)
Bucket = NumBuckets - 1;
return (Bucket);
} /* BucketFor */
/*---------------------------------------------------------------------------*/
int CircBucketFor(FLOAT32 Param, FLOAT32 Offset, int NumBuckets) {
/*
** Parameters:
** Param parameter value to map into a circular bucket
** Offset amount to shift param before mapping it
** NumBuckets number of buckets to map param into
** Globals: none
** Operation: This routine maps a parameter value into a bucket between
** 0 and NumBuckets-1. Offset is added to the parameter
** before mapping it. Values which map to buckets outside
** the range are wrapped to a new value in a circular fashion.
** Mapping is done by truncating rather than rounding.
** Return: Bucket number corresponding to Param + Offset.
** Exceptions: none
** History: Thu Feb 14 13:24:33 1991, DSJ, Created.
*/
int Bucket;
Bucket = (int) MapParam (Param, Offset, NumBuckets);
if (Bucket < 0)
Bucket += NumBuckets;
else if (Bucket >= NumBuckets)
Bucket -= NumBuckets;
return (Bucket);
} /* CircBucketFor */
/*---------------------------------------------------------------------------*/
#ifndef GRAPHICS_DISABLED
void UpdateMatchDisplay() {
/*
** Parameters: none
** Globals:
** FeatureShapes display list for features
** ProtoShapes display list for protos
** Operation: This routine clears the global feature and proto
** display lists.
** Return: none
** Exceptions: none
** History: Thu Mar 21 15:40:19 1991, DSJ, Created.
*/
if (IntMatchWindow != NULL)
c_make_current(IntMatchWindow);
} /* ClearMatchDisplay */
#endif
/*---------------------------------------------------------------------------*/
void ConvertConfig(BIT_VECTOR Config, int ConfigId, INT_CLASS Class) {
/*
** Parameters:
** Config config to be added to class
** ConfigId id to be used for new config
** Class class to add new config to
** Globals: none
** Operation: This operation updates the config vectors of all protos
** in Class to indicate that the protos with 1's in Config
** belong to a new configuration identified by ConfigId.
** It is assumed that the length of the Config bit vector is
** equal to the number of protos in Class.
** Return: none
** Exceptions: none
** History: Mon Feb 11 14:57:31 1991, DSJ, Created.
*/
int ProtoId;
INT_PROTO Proto;
int TotalLength;
for (ProtoId = 0, TotalLength = 0;
ProtoId < NumIntProtosIn (Class); ProtoId++) {
if (test_bit (Config, ProtoId)) {
Proto = ProtoForProtoId (Class, ProtoId);
SET_BIT (Proto->Configs, ConfigId);
TotalLength += LengthForProtoId (Class, ProtoId);
}
}
LengthForConfigId (Class, ConfigId) = TotalLength;
} /* ConvertConfig */
/*---------------------------------------------------------------------------*/
void ConvertProto(PROTO Proto, int ProtoId, INT_CLASS Class) {
/*
** Parameters:
** Proto floating-pt proto to be converted to integer format
** ProtoId id of proto
** Class integer class to add converted proto to
** Globals: none
** Operation: This routine converts Proto to integer format and
** installs it as ProtoId in Class.
** Return: none
** Exceptions: none
** History: Fri Feb 8 11:22:43 1991, DSJ, Created.
*/
INT_PROTO P;
FLOAT32 Param;
assert (ProtoId < NumIntProtosIn (Class));
P = ProtoForProtoId (Class, ProtoId);
Param = CoefficientA (Proto) * 128;
P->A = TruncateParam (Param, -128, 127, NULL);
Param = -CoefficientB (Proto) * 256;
P->B = TruncateParam (Param, 0, 255, NULL);
Param = CoefficientC (Proto) * 128;
P->C = TruncateParam (Param, -128, 127, NULL);
Param = ProtoAngle (Proto) * 256;
if (Param < 0 || Param >= 256)
P->Angle = 0;
else
P->Angle = (uinT8) Param;
/* round proto length to nearest integer number of pico-features */
Param = (ProtoLength (Proto) / GetPicoFeatureLength ()) + 0.5;
LengthForProtoId (Class, ProtoId) = TruncateParam (Param, 1, 255, NULL);
if (LearningDebugLevel >= 2)
cprintf ("Converted ffeat to (A=%d,B=%d,C=%d,L=%d)",
P->A, P->B, P->C, LengthForProtoId (Class, ProtoId));
} /* ConvertProto */
/*---------------------------------------------------------------------------*/
namespace tesseract {
INT_TEMPLATES Classify::CreateIntTemplates(CLASSES FloatProtos,
const UNICHARSET&
target_unicharset) {
/*
** Parameters:
** FloatProtos prototypes in old floating pt format
** Globals: none
** Operation: This routine converts from the old floating point format
** to the new integer format.
** Return: New set of training templates in integer format.
** Exceptions: none
** History: Thu Feb 7 14:40:42 1991, DSJ, Created.
*/
INT_TEMPLATES IntTemplates;
CLASS_TYPE FClass;
INT_CLASS IClass;
int ClassId;
int ProtoId;
int ConfigId;
IntTemplates = NewIntTemplates ();
for (ClassId = 0; ClassId < target_unicharset.size(); ClassId++) {
FClass = &(FloatProtos[ClassId]);
if (NumProtosIn (FClass) == 0 && NumConfigsIn(FClass) == 0 &&
strcmp(target_unicharset.id_to_unichar(ClassId), " ") != 0) {
cprintf("Warning: no protos/configs for %s in CreateIntTemplates()\n",
target_unicharset.id_to_unichar(ClassId));
}
assert (UnusedClassIdIn (IntTemplates, ClassId));
IClass = NewIntClass (NumProtosIn (FClass), NumConfigsIn (FClass));
FontSet fs;
fs.size = FClass->font_set.size();
fs.configs = new int[fs.size];
for (int i = 0; i < fs.size; ++i) {
fs.configs[i] = FClass->font_set.get(i);
}
if (this->fontset_table_.contains(fs)) {
IClass->font_set_id = this->fontset_table_.get_id(fs);
delete[] fs.configs;
} else {
IClass->font_set_id = this->fontset_table_.push_back(fs);
}
AddIntClass(IntTemplates, ClassId, IClass);
for (ProtoId = 0; ProtoId < NumProtosIn (FClass); ProtoId++) {
AddIntProto(IClass);
ConvertProto (ProtoIn (FClass, ProtoId), ProtoId, IClass);
AddProtoToProtoPruner (ProtoIn (FClass, ProtoId), ProtoId, IClass);
AddProtoToClassPruner (ProtoIn (FClass, ProtoId), ClassId, IntTemplates);
}
for (ConfigId = 0; ConfigId < NumConfigsIn (FClass); ConfigId++) {
AddIntConfig(IClass);
ConvertConfig (ConfigIn (FClass, ConfigId), ConfigId, IClass);
}
}
return (IntTemplates);
} /* CreateIntTemplates */
} // namespace tesseract
/*---------------------------------------------------------------------------*/
#ifndef GRAPHICS_DISABLED
void DisplayIntFeature(INT_FEATURE Feature, FLOAT32 Evidence) {
/*
** Parameters:
** Feature pico-feature to be displayed
** Evidence best evidence for this feature (0-1)
** Globals:
** FeatureShapes global display list for features
** Operation: This routine renders the specified feature into a
** global display list.
** Return: none
** Exceptions: none
** History: Thu Mar 21 14:45:04 1991, DSJ, Created.
*/
C_COL Color;
Color = GetMatchColorFor (Evidence);
RenderIntFeature(IntMatchWindow, Feature, Color);
} /* DisplayIntFeature */
/*---------------------------------------------------------------------------*/
void DisplayIntProto(INT_CLASS Class, PROTO_ID ProtoId, FLOAT32 Evidence) {
/*
** Parameters:
** Class class to take proto from
** ProtoId id of proto in Class to be displayed
** Evidence total evidence for proto (0-1)
** Globals:
** ProtoShapes global display list for protos
** Operation: This routine renders the specified proto into a
** global display list.
** Return: none
** Exceptions: none
** History: Thu Mar 21 14:45:04 1991, DSJ, Created.
*/
C_COL Color;
Color = GetMatchColorFor (Evidence);
RenderIntProto(IntMatchWindow, Class, ProtoId, Color);
} /* DisplayIntProto */
#endif
/*---------------------------------------------------------------------------*/
void InitIntProtoVars() {
/*
** Parameters: none
** Globals: none
** Operation: Initialize the control variables for the integer proto
** routines.
** Return: none
** Exceptions: none
** History: Tue Feb 12 08:04:34 1991, DSJ, Created.
*/
MakeNumCPLevels();
MakeCPAnglePadLoose();
MakeCPAnglePadMedium();
MakeCPAnglePadTight();
MakeCPEndPadLoose();
MakeCPEndPadMedium();
MakeCPEndPadTight();
MakeCPSidePadLoose();
MakeCPSidePadMedium();
MakeCPSidePadTight();
MakePPAnglePad();
MakePPEndPad();
MakePPSidePad();
} /* InitIntProtoVars */
/*---------------------------------------------------------------------------*/
INT_CLASS NewIntClass(int MaxNumProtos, int MaxNumConfigs) {
/*
** Parameters:
** MaxNumProtos number of protos to allocate space for
** MaxNumConfigs number of configs to allocate space for
** Globals: none
** Operation: This routine creates a new integer class data structure
** and returns it. Sufficient space is allocated
** to handle the specified number of protos and configs.
** Return: New class created.
** Exceptions: none
** History: Fri Feb 8 10:51:23 1991, DSJ, Created.
*/
INT_CLASS Class;
PROTO_SET ProtoSet;
int i;
register uinT32 *Word;
assert (MaxNumConfigs <= MAX_NUM_CONFIGS);
Class = (INT_CLASS) Emalloc (sizeof (INT_CLASS_STRUCT));
NumProtoSetsIn (Class) = ((MaxNumProtos + PROTOS_PER_PROTO_SET - 1) /
PROTOS_PER_PROTO_SET);
assert (NumProtoSetsIn (Class) <= MAX_NUM_PROTO_SETS);
NumIntProtosIn (Class) = 0;
NumIntConfigsIn (Class) = 0;
for (i = 0; i < NumProtoSetsIn (Class); i++) {
/* allocate space for a proto set, install in class, and initialize */
ProtoSet = (PROTO_SET) Emalloc (sizeof (PROTO_SET_STRUCT));
ProtoSetIn (Class, i) = ProtoSet;
for (Word = (uinT32 *) (ProtoPrunerFor (ProtoSet));
Word < (uinT32 *) (ProtoPrunerFor (ProtoSet)) + WERDS_PER_PP;
*Word++ = 0);
/* allocate space for the proto lengths and install in class */
}
if (MaxNumIntProtosIn (Class) > 0) {
Class->ProtoLengths =
(uinT8 *)Emalloc(MaxNumIntProtosIn (Class) * sizeof (uinT8));
}
return (Class);
} /* NewIntClass */
/*-------------------------------------------------------------------------*/
void free_int_class(INT_CLASS int_class) {
if (int_class) {
int i;
for (i = 0; i < NumProtoSetsIn (int_class); i++) {
Efree (ProtoSetIn (int_class, i));
}
if (int_class->ProtoLengths != NULL) {
Efree (int_class->ProtoLengths);
}
Efree(int_class);
}
}
/*---------------------------------------------------------------------------*/
INT_TEMPLATES NewIntTemplates() {
/*
** Parameters: none
** Globals: none
** Operation: This routine allocates a new set of integer templates
** initialized to hold 0 classes.
** Return: The integer templates created.
** Exceptions: none
** History: Fri Feb 8 08:38:51 1991, DSJ, Created.
*/
INT_TEMPLATES T;
int i;
T = (INT_TEMPLATES) Emalloc (sizeof (INT_TEMPLATES_STRUCT));
NumClassesIn (T) = 0;
NumClassPrunersIn (T) = 0;
for (i = 0; i < MAX_NUM_CLASSES; i++)
ClassForClassId (T, i) = NULL;
return (T);
} /* NewIntTemplates */
/*---------------------------------------------------------------------------*/
void free_int_templates(INT_TEMPLATES templates) {
int i;
for (i = 0; i < NumClassesIn (templates); i++)
free_int_class (ClassForClassId (templates, i));
for (i = 0; i < NumClassPrunersIn (templates); i++)
Efree (templates->ClassPruner[i]);
Efree(templates);
}
/*---------------------------------------------------------------------------*/
// Code to read/write Classify::font*table structures.
namespace {
void read_info(FILE* f, FontInfo* fi, bool swap) {
inT32 size;
fread(&size, sizeof(inT32), 1, f);
if (swap)
reverse32(&size);
fi->name = new char[size + 1];
fread(fi->name, sizeof(char), size, f);
fi->name[size] = '\0';
fread(&fi->properties, sizeof(inT32), 1, f);
if (swap)
reverse32(&fi->properties);
}
void write_info(FILE* f, const FontInfo& fi) {
inT32 size = strlen(fi.name);
fwrite(&size, sizeof(inT32), 1, f);
fwrite(fi.name, sizeof(char), size, f);
fwrite(&fi.properties, sizeof(inT32), 1, f);
}
void read_set(FILE* f, FontSet* fs, bool swap) {
fread(&fs->size, sizeof(inT32), 1, f);
if (swap)
reverse32(&fs->size);
fs->configs = new int[fs->size];
for (int i = 0; i < fs->size; ++i) {
fread(&fs->configs[i], sizeof(inT32), 1, f);
if (swap)
reverse32(&fs->configs[i]);
}
}
void write_set(FILE* f, const FontSet& fs) {
fwrite(&fs.size, sizeof(inT32), 1, f);
for (int i = 0; i < fs.size; ++i) {
fwrite(&fs.configs[i], sizeof(inT32), 1, f);
}
}
}
namespace tesseract {
INT_TEMPLATES Classify::ReadIntTemplates(FILE *File) {
/*
** Parameters:
** File open file to read templates from
** Globals: none
** Operation: This routine reads a set of integer templates from
** File. File must already be open and must be in the
** correct binary format.
** Return: Pointer to integer templates read from File.
** Exceptions: none
** History: Wed Feb 27 11:48:46 1991, DSJ, Created.
*/
int i, j, w, x, y, z;
BOOL8 swap;
int nread;
int unicharset_size;
int version_id = 0;
INT_TEMPLATES Templates;
CLASS_PRUNER Pruner;
INT_CLASS Class;
uinT8 *Lengths;
PROTO_SET ProtoSet;
/* variables for conversion from older inttemp formats */
int b, bit_number, last_cp_bit_number, new_b, new_i, new_w;
CLASS_ID class_id, max_class_id;
inT16 IndexFor[MAX_NUM_CLASSES];
CLASS_ID ClassIdFor[MAX_NUM_CLASSES];
CLASS_PRUNER TempClassPruner[MAX_NUM_CLASS_PRUNERS];
uinT32 SetBitsForMask = // word with NUM_BITS_PER_CLASS
(1 << NUM_BITS_PER_CLASS) - 1; // set starting at bit 0
uinT32 Mask, NewMask, ClassBits;
uinT32 *Word;
int MaxNumConfigs = MAX_NUM_CONFIGS;
int WerdsPerConfigVec = WERDS_PER_CONFIG_VEC;
/* first read the high level template struct */
Templates = NewIntTemplates ();
// Read Templates in parts for 64 bit compatibility.
if (fread(&unicharset_size, sizeof(int), 1, File) != 1)
cprintf ("Bad read of inttemp!\n");
if (fread(&Templates->NumClasses, sizeof(int), 1, File) != 1 ||
fread(&Templates->NumClassPruners, sizeof(int), 1, File) != 1)
cprintf ("Bad read of inttemp!\n");
// Swap status is determined automatically.
swap = Templates->NumClassPruners < 0 ||
Templates->NumClassPruners > MAX_NUM_CLASS_PRUNERS;
if (swap) {
reverse32 (&Templates->NumClassPruners);
reverse32 (&Templates->NumClasses);
reverse32 (&unicharset_size);
}
if (unicharset_size != unicharset.size()) {
cprintf("Error: %d classes in inttemp while "
"unicharset contains %d unichars.\n",
unicharset_size, unicharset.size());
exit(1);
}
if (Templates->NumClasses < 0) {
// This file has a version id!
version_id = -Templates->NumClasses;
if (fread(&Templates->NumClasses, sizeof(Templates->NumClasses),
1, File) != 1)
cprintf("Bad read of inttemp!\n");
if (swap)
reverse32 (&Templates->NumClasses);
}
if (version_id < 3) {
MaxNumConfigs = OLD_MAX_NUM_CONFIGS;
WerdsPerConfigVec = OLD_WERDS_PER_CONFIG_VEC;
}
if (version_id < 2) {
for (i = 0; i < unicharset_size; ++i) {
if (fread(&IndexFor[i], sizeof(inT16), 1, File) != 1)
cprintf("Bad read of inttemp!\n");
}
for (i = 0; i < NumClassesIn (Templates); ++i) {
if (fread(&ClassIdFor[i], sizeof(CLASS_ID), 1, File) != 1)
cprintf("Bad read of inttemp!\n");
}
if (swap) {
for (i = 0; i < NumClassesIn (Templates); i++)
reverse16 (IndexFor[i]);
for (i = 0; i < NumClassesIn (Templates); i++)
reverse32 (ClassIdFor[i]);
}
}
/* then read in the class pruners */
for (i = 0; i < NumClassPrunersIn (Templates); i++) {
Pruner = (CLASS_PRUNER) Emalloc (sizeof (CLASS_PRUNER_STRUCT));
if ((nread =
fread ((char *) Pruner, 1, sizeof (CLASS_PRUNER_STRUCT),
File)) != sizeof (CLASS_PRUNER_STRUCT))
cprintf ("Bad read of inttemp!\n");
if (swap) {
for (x = 0; x < NUM_CP_BUCKETS; x++) {
for (y = 0; y < NUM_CP_BUCKETS; y++) {
for (z = 0; z < NUM_CP_BUCKETS; z++) {
for (w = 0; w < WERDS_PER_CP_VECTOR; w++) {
reverse32 (&Pruner[x][y][z][w]);
}
}
}
}
}
if (version_id < 2) {
TempClassPruner[i] = Pruner;
} else {
Templates->ClassPruner[i] = Pruner;
}
}
/* fix class pruners if they came from an old version of inttemp */
if (version_id < 2) {
// Allocate enough class pruners to cover all the class ids.
max_class_id = 0;
for (i = 0; i < NumClassesIn (Templates); i++)
if (ClassIdFor[i] > max_class_id)
max_class_id = ClassIdFor[i];
for (i = 0; i <= CPrunerIdFor(max_class_id); i++) {
Templates->ClassPruner[i] =
(CLASS_PRUNER) Emalloc (sizeof (CLASS_PRUNER_STRUCT));
for (Word = (uinT32 *) (Templates->ClassPruner[i]);
Word < (uinT32 *) (Templates->ClassPruner[i]) + WERDS_PER_CP;
*Word++ = 0);
}
// Convert class pruners from the old format (indexed by class index)
// to the new format (indexed by class id).
last_cp_bit_number = NUM_BITS_PER_CLASS * NumClassesIn (Templates) - 1;
for (i = 0; i < NumClassPrunersIn (Templates); i++) {
for (x = 0; x < NUM_CP_BUCKETS; x++)
for (y = 0; y < NUM_CP_BUCKETS; y++)
for (z = 0; z < NUM_CP_BUCKETS; z++)
for (w = 0; w < WERDS_PER_CP_VECTOR; w++) {
if (TempClassPruner[i][x][y][z][w] == 0)
continue;
for (b = 0; b < BITS_PER_WERD; b += NUM_BITS_PER_CLASS) {
bit_number = i * BITS_PER_CP_VECTOR + w * BITS_PER_WERD + b;
if (bit_number > last_cp_bit_number)
break; // the rest of the bits in this word are not used
class_id = ClassIdFor[bit_number / NUM_BITS_PER_CLASS];
// Single out NUM_BITS_PER_CLASS bits relating to class_id.
Mask = SetBitsForMask << b;
ClassBits = TempClassPruner[i][x][y][z][w] & Mask;
// Move these bits to the new position in which they should
// appear (indexed corresponding to the class_id).
new_i = CPrunerIdFor(class_id);
new_w = CPrunerWordIndexFor(class_id);
new_b = CPrunerBitIndexFor(class_id) * NUM_BITS_PER_CLASS;
if (new_b > b) {
ClassBits <<= (new_b - b);
} else {
ClassBits >>= (b - new_b);
}
// Copy bits relating to class_id to the correct position
// in Templates->ClassPruner.
NewMask = SetBitsForMask << new_b;
Templates->ClassPruner[new_i][x][y][z][new_w] &= ~NewMask;
Templates->ClassPruner[new_i][x][y][z][new_w] |= ClassBits;
}
}
}
for (i = 0; i < NumClassPrunersIn (Templates); i++) {
Efree (TempClassPruner[i]);
}
}
#ifndef DISABLE_INTEGER_MATCHING
/* then read in each class */
for (i = 0; i < NumClassesIn (Templates); i++) {
/* first read in the high level struct for the class */
Class = (INT_CLASS) Emalloc (sizeof (INT_CLASS_STRUCT));
if (fread(&Class->NumProtos, sizeof(Class->NumProtos), 1, File) != 1 ||
fread(&Class->NumProtoSets, sizeof(Class->NumProtoSets), 1, File) != 1 ||
fread(&Class->NumConfigs, sizeof(Class->NumConfigs), 1, File) != 1)
cprintf ("Bad read of inttemp!\n");
if (version_id == 0) {
// Only version 0 writes 5 pointless pointers to the file.
for (j = 0; j < 5; ++j) {
int junk;
if (fread(&junk, sizeof(junk), 1, File) != 1)
cprintf ("Bad read of inttemp!\n");
}
}
if (version_id < 4) {
for (j = 0; j < MaxNumConfigs; ++j) {
if (fread(&Class->ConfigLengths[j], sizeof(uinT16), 1, File) != 1)
cprintf ("Bad read of inttemp!\n");
}
if (swap) {
reverse16 (&Class->NumProtos);
for (j = 0; j < MaxNumConfigs; j++)
reverse16 (&Class->ConfigLengths[j]);
}
} else {
ASSERT_HOST(Class->NumConfigs < MaxNumConfigs);
for (j = 0; j < Class->NumConfigs; ++j) {
if (fread(&Class->ConfigLengths[j], sizeof(uinT16), 1, File) != 1)
cprintf ("Bad read of inttemp!\n");
}
if (swap) {
reverse16 (&Class->NumProtos);
for (j = 0; j < MaxNumConfigs; j++)
reverse16 (&Class->ConfigLengths[j]);
}
}
if (version_id < 2) {
ClassForClassId (Templates, ClassIdFor[i]) = Class;
} else {
ClassForClassId (Templates, i) = Class;
}
/* then read in the proto lengths */
Lengths = NULL;
if (MaxNumIntProtosIn (Class) > 0) {
Lengths = (uinT8 *)Emalloc(sizeof(uinT8) * MaxNumIntProtosIn(Class));
if ((nread =
fread((char *)Lengths, sizeof(uinT8),
MaxNumIntProtosIn(Class), File)) != MaxNumIntProtosIn (Class))
cprintf ("Bad read of inttemp!\n");
}
Class->ProtoLengths = Lengths;
/* then read in the proto sets */
for (j = 0; j < NumProtoSetsIn (Class); j++) {
ProtoSet = (PROTO_SET)Emalloc(sizeof(PROTO_SET_STRUCT));
if (version_id < 3) {
if ((nread =
fread((char *) &ProtoSet->ProtoPruner, 1,
sizeof(PROTO_PRUNER), File)) != sizeof(PROTO_PRUNER))
cprintf("Bad read of inttemp!\n");
for (x = 0; x < PROTOS_PER_PROTO_SET; x++) {
if ((nread = fread((char *) &ProtoSet->Protos[x].A, 1,
sizeof(inT8), File)) != sizeof(inT8) ||
(nread = fread((char *) &ProtoSet->Protos[x].B, 1,
sizeof(uinT8), File)) != sizeof(uinT8) ||
(nread = fread((char *) &ProtoSet->Protos[x].C, 1,
sizeof(inT8), File)) != sizeof(inT8) ||
(nread = fread((char *) &ProtoSet->Protos[x].Angle, 1,
sizeof(uinT8), File)) != sizeof(uinT8))
cprintf("Bad read of inttemp!\n");
for (y = 0; y < WerdsPerConfigVec; y++)
if ((nread = fread((char *) &ProtoSet->Protos[x].Configs[y], 1,
sizeof(uinT32), File)) != sizeof(uinT32))
cprintf("Bad read of inttemp!\n");
}
} else {
if ((nread =
fread((char *) ProtoSet, 1, sizeof(PROTO_SET_STRUCT),
File)) != sizeof(PROTO_SET_STRUCT))
cprintf("Bad read of inttemp!\n");
}
if (swap) {
for (x = 0; x < NUM_PP_PARAMS; x++)
for (y = 0; y < NUM_PP_BUCKETS; y++)
for (z = 0; z < WERDS_PER_PP_VECTOR; z++)
reverse32 (&ProtoSet->ProtoPruner[x][y][z]);
for (x = 0; x < PROTOS_PER_PROTO_SET; x++)
for (y = 0; y < WerdsPerConfigVec; y++)
reverse32 (&ProtoSet->Protos[x].Configs[y]);
}
ProtoSetIn (Class, j) = ProtoSet;
}
if (version_id < 4)
Class->font_set_id = -1;
else {
fread(&Class->font_set_id, sizeof(int), 1, File);
if (swap)
reverse32(&Class->font_set_id);
}
}
if (version_id < 2) {
/* add an empty NULL class with class id 0 */
assert(UnusedClassIdIn (Templates, 0));
ClassForClassId (Templates, 0) = NewIntClass (1, 1);
ClassForClassId (Templates, 0)->font_set_id = -1;
NumClassesIn (Templates)++;
/* make sure the classes are contiguous */
for (i = 0; i < MAX_NUM_CLASSES; i++) {
if (i < NumClassesIn (Templates)) {
if (ClassForClassId (Templates, i) == NULL) {
fprintf(stderr, "Non-contiguous class ids in inttemp\n");
exit(1);
}
} else {
if (ClassForClassId (Templates, i) != NULL) {
fprintf(stderr, "Class id %d exceeds NumClassesIn (Templates) %d\n",
i, NumClassesIn (Templates));
exit(1);
}
}
}
}
if (version_id >= 4) {
this->fontinfo_table_.read(File, NewPermanentCallback(read_info), swap);
this->fontset_table_.read(File, NewPermanentCallback(read_set), swap);
}
#endif
return (Templates);
} /* ReadIntTemplates */
} // namespace tesseract
/*---------------------------------------------------------------------------*/
#ifndef GRAPHICS_DISABLED
void ShowMatchDisplay() {
/*
** Parameters: none
** Globals:
** FeatureShapes display list containing feature matches
** ProtoShapes display list containing proto matches
** Operation: This routine sends the shapes in the global display
** lists to the match debugger window.
** Return: none
** Exceptions: none
** History: Thu Mar 21 15:47:33 1991, DSJ, Created.
*/
void *window;
/* Size of drawable */
if (IntMatchWindow == NULL) {
IntMatchWindow =
c_create_window("IntMatchWindow", 50, 200, 520, 520,
-130.0, 130.0, -130.0, 130.0);
SVMenuNode* popup_menu = new SVMenuNode();
popup_menu->AddChild("Debug Adapted classes", IDA_ADAPTIVE,
"x", "Class to debug");
popup_menu->AddChild("Debug Static classes", IDA_STATIC,
"x", "Class to debug");
popup_menu->AddChild("Debug Both", IDA_BOTH,
"x", "Class to debug");
popup_menu->BuildMenu(IntMatchWindow, false);
}
else
c_clear_window(IntMatchWindow);
window = IntMatchWindow;
c_line_color_index(window, Grey);
/* Default size of drawing */
if (NormMethod == baseline) {
c_move (window, -1000.0, INT_BASELINE);
c_draw (window, 1000.0, INT_BASELINE);
c_move (window, -1000.0, INT_DESCENDER);
c_draw (window, 1000.0, INT_DESCENDER);
c_move (window, -1000.0, INT_XHEIGHT);
c_draw (window, 1000.0, INT_XHEIGHT);
c_move (window, -1000.0, INT_CAPHEIGHT);
c_draw (window, 1000.0, INT_CAPHEIGHT);
c_move (window, INT_MIN_X, -1000.0);
c_draw (window, INT_MIN_X, 1000.0);
c_move (window, INT_MAX_X, -1000.0);
c_draw (window, INT_MAX_X, 1000.0);
}
else {
c_move (window, INT_XCENTER - INT_XRADIUS, INT_YCENTER - INT_YRADIUS);
c_draw (window, INT_XCENTER + INT_XRADIUS, INT_YCENTER - INT_YRADIUS);
c_move (window, INT_XCENTER - INT_XRADIUS, INT_YCENTER + INT_YRADIUS);
c_draw (window, INT_XCENTER + INT_XRADIUS, INT_YCENTER + INT_YRADIUS);
c_move (window, INT_XCENTER - INT_XRADIUS, INT_YCENTER - INT_YRADIUS);
c_draw (window, INT_XCENTER - INT_XRADIUS, INT_YCENTER + INT_YRADIUS);
c_move (window, INT_XCENTER + INT_XRADIUS, INT_YCENTER - INT_YRADIUS);
c_draw (window, INT_XCENTER + INT_XRADIUS, INT_YCENTER + INT_YRADIUS);
c_move(window, INT_MIN_X, INT_MIN_Y);
c_draw(window, INT_MIN_X, INT_MAX_Y);
c_move(window, INT_MIN_X, INT_MIN_Y);
c_draw(window, INT_MAX_X, INT_MIN_Y);
c_move(window, INT_MAX_X, INT_MAX_Y);
c_draw(window, INT_MIN_X, INT_MAX_Y);
c_move(window, INT_MAX_X, INT_MAX_Y);
c_draw(window, INT_MAX_X, INT_MIN_Y);
}
IntMatchWindow->ZoomToRectangle(INT_MIN_X, INT_MIN_Y,
INT_MAX_X, INT_MAX_Y);
} /* ShowMatchDisplay */
#endif
/*---------------------------------------------------------------------------*/
namespace tesseract {
void Classify::WriteIntTemplates(FILE *File, INT_TEMPLATES Templates,
const UNICHARSET& target_unicharset) {
/*
** Parameters:
** File open file to write templates to
** Templates templates to save into File
** Globals: none
** Operation: This routine writes Templates to File. The format
** is an efficient binary format. File must already be open
** for writing.
** Return: none
** Exceptions: none
** History: Wed Feb 27 11:48:46 1991, DSJ, Created.
*/
int i, j;
INT_CLASS Class;
int unicharset_size = target_unicharset.size();
int version_id = -4; // When negated by the reader -1 becomes +1 etc.
if (NumClassesIn(Templates) != unicharset_size) {
cprintf("Warning: executing WriteIntTemplates() with %d classes in"
" Templates, while target_unicharset size is %d\n",
NumClassesIn(Templates), unicharset_size);
}
/* first write the high level template struct */
fwrite(&unicharset_size, sizeof(unicharset_size), 1, File);
fwrite(&version_id, sizeof(version_id), 1, File);
fwrite(&Templates->NumClassPruners, sizeof(Templates->NumClassPruners),
1, File);
fwrite(&Templates->NumClasses, sizeof(Templates->NumClasses), 1, File);
/* then write out the class pruners */
for (i = 0; i < NumClassPrunersIn (Templates); i++)
fwrite(Templates->ClassPruner[i],
sizeof(CLASS_PRUNER_STRUCT), 1, File);
/* then write out each class */
for (i = 0; i < NumClassesIn (Templates); i++) {
Class = ClassForClassId(Templates, i);
/* first write out the high level struct for the class */
fwrite(&Class->NumProtos, sizeof(Class->NumProtos), 1, File);
fwrite(&Class->NumProtoSets, sizeof(Class->NumProtoSets), 1, File);
ASSERT_HOST(Class->NumConfigs == this->fontset_table_.get(Class->font_set_id).size);
fwrite(&Class->NumConfigs, sizeof(Class->NumConfigs), 1, File);
for (j = 0; j < Class->NumConfigs; ++j) {
fwrite(&Class->ConfigLengths[j], sizeof(uinT16), 1, File);
}
/* then write out the proto lengths */
if (MaxNumIntProtosIn (Class) > 0) {
fwrite ((char *) (Class->ProtoLengths), sizeof (uinT8),
MaxNumIntProtosIn (Class), File);
}
/* then write out the proto sets */
for (j = 0; j < NumProtoSetsIn (Class); j++)
fwrite ((char *) ProtoSetIn (Class, j),
sizeof (PROTO_SET_STRUCT), 1, File);
/* then write the fonts info */
fwrite(&Class->font_set_id, sizeof(int), 1, File);
}
/* Write the fonts info tables */
this->fontinfo_table_.write(File, NewPermanentCallback(write_info));
this->fontset_table_.write(File, NewPermanentCallback(write_set));
} /* WriteIntTemplates */
} // namespace tesseract
/**----------------------------------------------------------------------------
Private Code
----------------------------------------------------------------------------**/
/*---------------------------------------------------------------------------*/
FLOAT32 BucketStart(int Bucket, FLOAT32 Offset, int NumBuckets) {
/*
** Parameters:
** Bucket bucket whose start is to be computed
** Offset offset used to map params to buckets
** NumBuckets total number of buckets
** Globals: none
** Operation: This routine returns the parameter value which
** corresponds to the beginning of the specified bucket.
** The bucket number should have been generated using the
** BucketFor() function with parameters Offset and NumBuckets.
** Return: Param value corresponding to start position of Bucket.
** Exceptions: none
** History: Thu Feb 14 13:24:33 1991, DSJ, Created.
*/
return (((FLOAT32) Bucket / NumBuckets) - Offset);
} /* BucketStart */
/*---------------------------------------------------------------------------*/
FLOAT32 BucketEnd(int Bucket, FLOAT32 Offset, int NumBuckets) {
/*
** Parameters:
** Bucket bucket whose end is to be computed
** Offset offset used to map params to buckets
** NumBuckets total number of buckets
** Globals: none
** Operation: This routine returns the parameter value which
** corresponds to the end of the specified bucket.
** The bucket number should have been generated using the
** BucketFor() function with parameters Offset and NumBuckets.
** Return: Param value corresponding to end position of Bucket.
** Exceptions: none
** History: Thu Feb 14 13:24:33 1991, DSJ, Created.
*/
return (((FLOAT32) (Bucket + 1) / NumBuckets) - Offset);
} /* BucketEnd */
/*---------------------------------------------------------------------------*/
void DoFill(FILL_SPEC *FillSpec,
CLASS_PRUNER Pruner,
register uinT32 ClassMask,
register uinT32 ClassCount,
register uinT32 WordIndex) {
/*
** Parameters:
** FillSpec specifies which bits to fill in pruner
** Pruner class pruner to be filled
** ClassMask indicates which bits to change in each word
** ClassCount indicates what to change bits to
** WordIndex indicates which word to change
** Globals: none
** Operation: This routine fills in the section of a class pruner
** corresponding to a single x value for a single proto of
** a class.
** Return: none
** Exceptions: none
** History: Tue Feb 19 11:11:29 1991, DSJ, Created.
*/
register int X, Y, Angle;
register uinT32 OldWord;
X = FillSpec->X;
if (X < 0)
X = 0;
if (X >= NUM_CP_BUCKETS)
X = NUM_CP_BUCKETS - 1;
if (FillSpec->YStart < 0)
FillSpec->YStart = 0;
if (FillSpec->YEnd >= NUM_CP_BUCKETS)
FillSpec->YEnd = NUM_CP_BUCKETS - 1;
for (Y = FillSpec->YStart; Y <= FillSpec->YEnd; Y++)
for (Angle = FillSpec->AngleStart;
TRUE; CircularIncrement (Angle, NUM_CP_BUCKETS)) {
OldWord = Pruner[X][Y][Angle][WordIndex];
if (ClassCount > (OldWord & ClassMask)) {
OldWord &= ~ClassMask;
OldWord |= ClassCount;
Pruner[X][Y][Angle][WordIndex] = OldWord;
}
if (Angle == FillSpec->AngleEnd)
break;
}
} /* DoFill */
/*---------------------------------------------------------------------------*/
BOOL8 FillerDone(TABLE_FILLER *Filler) {
/*
** Parameters:
** Filler table filler to check if done
** Globals: none
** Operation: Return TRUE if the specified table filler is done, i.e.
** if it has no more lines to fill.
** Return: TRUE if no more lines to fill, FALSE otherwise.
** Exceptions: none
** History: Tue Feb 19 10:08:05 1991, DSJ, Created.
*/
FILL_SWITCH *Next;
Next = &(Filler->Switch[Filler->NextSwitch]);
if (Filler->X > Next->X && Next->Type == LastSwitch)
return (TRUE);
else
return (FALSE);
} /* FillerDone */
/*---------------------------------------------------------------------------*/
void
FillPPCircularBits (uinT32 ParamTable[NUM_PP_BUCKETS][WERDS_PER_PP_VECTOR],
int Bit, FLOAT32 Center, FLOAT32 Spread) {
/*
** Parameters:
** ParamTable table of bit vectors, one per param bucket
** Bit bit position in vectors to be filled
** Center center of filled area
** Spread spread of filled area
** Globals: none
** Operation: This routine sets Bit in each bit vector whose
** bucket lies within the range Center +- Spread. The fill
** is done for a circular dimension, i.e. bucket 0 is adjacent
** to the last bucket. It is assumed that Center and Spread
** are expressed in a circular coordinate system whose range
** is 0 to 1.
** Return: none
** Exceptions: none
** History: Tue Oct 16 09:26:54 1990, DSJ, Created.
*/
int i, FirstBucket, LastBucket;
if (Spread > 0.5)
Spread = 0.5;
FirstBucket = (int) floor ((Center - Spread) * NUM_PP_BUCKETS);
if (FirstBucket < 0)
FirstBucket += NUM_PP_BUCKETS;
LastBucket = (int) floor ((Center + Spread) * NUM_PP_BUCKETS);
if (LastBucket >= NUM_PP_BUCKETS)
LastBucket -= NUM_PP_BUCKETS;
if (LearningDebugLevel >= 2)
cprintf ("Circular fill from %d to %d", FirstBucket, LastBucket);
for (i = FirstBucket; TRUE; CircularIncrement (i, NUM_PP_BUCKETS)) {
SET_BIT (ParamTable[i], Bit);
/* exit loop after we have set the bit for the last bucket */
if (i == LastBucket)
break;
}
} /* FillPPCircularBits */
/*---------------------------------------------------------------------------*/
void
FillPPLinearBits (uinT32 ParamTable[NUM_PP_BUCKETS][WERDS_PER_PP_VECTOR],
int Bit, FLOAT32 Center, FLOAT32 Spread) {
/*
** Parameters:
** ParamTable table of bit vectors, one per param bucket
** Bit bit number being filled
** Center center of filled area
** Spread spread of filled area
** Globals: none
** Operation: This routine sets Bit in each bit vector whose
** bucket lies within the range Center +- Spread. The fill
** is done for a linear dimension, i.e. there is no wrap-around
** for this dimension. It is assumed that Center and Spread
** are expressed in a linear coordinate system whose range
** is approximately 0 to 1. Values outside this range will
** be clipped.
** Return: none
** Exceptions: none
** History: Tue Oct 16 09:26:54 1990, DSJ, Created.
*/
int i, FirstBucket, LastBucket;
FirstBucket = (int) floor ((Center - Spread) * NUM_PP_BUCKETS);
if (FirstBucket < 0)
FirstBucket = 0;
LastBucket = (int) floor ((Center + Spread) * NUM_PP_BUCKETS);
if (LastBucket >= NUM_PP_BUCKETS)
LastBucket = NUM_PP_BUCKETS - 1;
if (LearningDebugLevel >= 2)
cprintf ("Linear fill from %d to %d", FirstBucket, LastBucket);
for (i = FirstBucket; i <= LastBucket; i++)
SET_BIT (ParamTable[i], Bit);
} /* FillPPLinearBits */
/*---------------------------------------------------------------------------*/
#ifndef GRAPHICS_DISABLED
namespace tesseract {
CLASS_ID Classify::GetClassToDebug(const char *Prompt) {
/*
** Parameters:
** Prompt prompt to print while waiting for input from window
** Globals: none
** Operation: This routine prompts the user with Prompt and waits
** for the user to enter something in the debug window.
** Return: Character entered in the debug window.
** Exceptions: none
** History: Thu Mar 21 16:55:13 1991, DSJ, Created.
*/
tprintf("%s\n", Prompt);
SVEvent* ev;
SVEventType ev_type;
// Wait until a click or popup event.
do {
ev = IntMatchWindow->AwaitEvent(SVET_ANY);
ev_type = ev->type;
if (ev_type == SVET_POPUP) {
// TODO(rays) must return which menu item was selected, but
// that can't be done in this CL without dragging in a lot of
// other changes.
if (unicharset.contains_unichar(ev->parameter))
return unicharset.unichar_to_id(ev->parameter);
tprintf("Char class '%s' not found in unicharset",
ev->parameter);
}
delete ev;
} while (ev_type != SVET_CLICK);
return 0;
} /* GetClassToDebug */
} // namespace tesseract
#endif
/*---------------------------------------------------------------------------*/
void GetCPPadsForLevel(int Level,
FLOAT32 *EndPad,
FLOAT32 *SidePad,
FLOAT32 *AnglePad) {
/*
** Parameters:
** Level "tightness" level to return pads for
** EndPad place to put end pad for Level
** SidePad place to put side pad for Level
** AnglePad place to put angle pad for Level
** Globals: none
** Operation: This routine copies the appropriate global pad variables
** into EndPad, SidePad, and AnglePad. This is a kludge used
** to get around the fact that global control variables cannot
** be arrays. If the specified level is illegal, the tightest
** possible pads are returned.
** Return: none (results are returned in EndPad, SidePad, and AnglePad.
** Exceptions: none
** History: Thu Feb 14 08:26:49 1991, DSJ, Created.
*/
switch (Level) {
case 0:
*EndPad = CPEndPadLoose * GetPicoFeatureLength ();
*SidePad = CPSidePadLoose * GetPicoFeatureLength ();
*AnglePad = CPAnglePadLoose / 360.0;
break;
case 1:
*EndPad = CPEndPadMedium * GetPicoFeatureLength ();
*SidePad = CPSidePadMedium * GetPicoFeatureLength ();
*AnglePad = CPAnglePadMedium / 360.0;
break;
case 2:
*EndPad = CPEndPadTight * GetPicoFeatureLength ();
*SidePad = CPSidePadTight * GetPicoFeatureLength ();
*AnglePad = CPAnglePadTight / 360.0;
break;
default:
*EndPad = CPEndPadTight * GetPicoFeatureLength ();
*SidePad = CPSidePadTight * GetPicoFeatureLength ();
*AnglePad = CPAnglePadTight / 360.0;
break;
}
if (*AnglePad > 0.5)
*AnglePad = 0.5;
} /* GetCPPadsForLevel */
/*---------------------------------------------------------------------------*/
C_COL GetMatchColorFor(FLOAT32 Evidence) {
/*
** Parameters:
** Evidence evidence value to return color for
** Globals: none
** Operation:
** Return: Color which corresponds to specified Evidence value.
** Exceptions: none
** History: Thu Mar 21 15:24:52 1991, DSJ, Created.
*/
assert (Evidence >= 0.0);
assert (Evidence <= 1.0);
if (Evidence >= 0.90)
return White;
else if (Evidence >= 0.75)
return Green;
else if (Evidence >= 0.50)
return Red;
else
return Blue;
} /* GetMatchColorFor */
/*---------------------------------------------------------------------------*/
void GetNextFill(TABLE_FILLER *Filler, FILL_SPEC *Fill) {
/*
** Parameters:
** Filler filler to get next fill spec from
** Fill place to put spec for next fill
** Globals: none
** Operation: This routine returns (in Fill) the specification of
** the next line to be filled from Filler. FillerDone() should
** always be called before GetNextFill() to ensure that we
** do not run past the end of the fill table.
** Return: none (results are returned in Fill)
** Exceptions: none
** History: Tue Feb 19 10:17:42 1991, DSJ, Created.
*/
FILL_SWITCH *Next;
/* compute the fill assuming no switches will be encountered */
Fill->AngleStart = Filler->AngleStart;
Fill->AngleEnd = Filler->AngleEnd;
Fill->X = Filler->X;
Fill->YStart = Filler->YStart >> 8;
Fill->YEnd = Filler->YEnd >> 8;
/* update the fill info and the filler for ALL switches at this X value */
Next = &(Filler->Switch[Filler->NextSwitch]);
while (Filler->X >= Next->X) {
Fill->X = Filler->X = Next->X;
if (Next->Type == StartSwitch) {
Fill->YStart = Next->Y;
Filler->StartDelta = Next->Delta;
Filler->YStart = Next->YInit;
}
else if (Next->Type == EndSwitch) {
Fill->YEnd = Next->Y;
Filler->EndDelta = Next->Delta;
Filler->YEnd = Next->YInit;
}
else { /* Type must be LastSwitch */
break;
}
Filler->NextSwitch++;
Next = &(Filler->Switch[Filler->NextSwitch]);
}
/* prepare the filler for the next call to this routine */
Filler->X++;
Filler->YStart += Filler->StartDelta;
Filler->YEnd += Filler->EndDelta;
} /* GetNextFill */
/*---------------------------------------------------------------------------*/
void InitTableFiller (FLOAT32 EndPad, FLOAT32 SidePad,
FLOAT32 AnglePad, PROTO Proto, TABLE_FILLER * Filler)
/*
** Parameters:
** EndPad, SidePad, AnglePad padding to add to proto
** Proto proto to create a filler for
** Filler place to put table filler
** Globals: none
** Operation: This routine computes a data structure (Filler)
** which can be used to fill in a rectangle surrounding
** the specified Proto.
** Return: none (results are returned in Filler)
** Exceptions: none
** History: Thu Feb 14 09:27:05 1991, DSJ, Created.
*/
#define XS X_SHIFT
#define YS Y_SHIFT
#define AS ANGLE_SHIFT
#define NB NUM_CP_BUCKETS
{
FLOAT32 Angle;
FLOAT32 X, Y, HalfLength;
FLOAT32 Cos, Sin;
FLOAT32 XAdjust, YAdjust;
FPOINT Start, Switch1, Switch2, End;
int S1 = 0;
int S2 = 1;
Angle = ProtoAngle (Proto);
X = ProtoX (Proto);
Y = ProtoY (Proto);
HalfLength = ProtoLength (Proto) / 2.0;
Filler->AngleStart = CircBucketFor (Angle - AnglePad, AS, NB);
Filler->AngleEnd = CircBucketFor (Angle + AnglePad, AS, NB);
Filler->NextSwitch = 0;
if (fabs (Angle - 0.0) < HV_TOLERANCE || fabs (Angle - 0.5) < HV_TOLERANCE) {
/* horizontal proto - handle as special case */
Filler->X = BucketFor (X - HalfLength - EndPad, XS, NB);
Filler->YStart = BucketFor (Y - SidePad, YS, NB * 256);
Filler->YEnd = BucketFor (Y + SidePad, YS, NB * 256);
Filler->StartDelta = 0;
Filler->EndDelta = 0;
Filler->Switch[0].Type = LastSwitch;
Filler->Switch[0].X = BucketFor (X + HalfLength + EndPad, XS, NB);
}
else if (fabs (Angle - 0.25) < HV_TOLERANCE ||
fabs (Angle - 0.75) < HV_TOLERANCE) {
/* vertical proto - handle as special case */
Filler->X = BucketFor (X - SidePad, XS, NB);
Filler->YStart = BucketFor (Y - HalfLength - EndPad, YS, NB * 256);
Filler->YEnd = BucketFor (Y + HalfLength + EndPad, YS, NB * 256);
Filler->StartDelta = 0;
Filler->EndDelta = 0;
Filler->Switch[0].Type = LastSwitch;
Filler->Switch[0].X = BucketFor (X + SidePad, XS, NB);
}
else {
/* diagonal proto */
if ((Angle > 0.0 && Angle < 0.25) || (Angle > 0.5 && Angle < 0.75)) {
/* rising diagonal proto */
Angle *= 2.0 * PI;
Cos = fabs (cos (Angle));
Sin = fabs (sin (Angle));
/* compute the positions of the corners of the acceptance region */
Start.x = X - (HalfLength + EndPad) * Cos - SidePad * Sin;
Start.y = Y - (HalfLength + EndPad) * Sin + SidePad * Cos;
End.x = 2.0 * X - Start.x;
End.y = 2.0 * Y - Start.y;
Switch1.x = X - (HalfLength + EndPad) * Cos + SidePad * Sin;
Switch1.y = Y - (HalfLength + EndPad) * Sin - SidePad * Cos;
Switch2.x = 2.0 * X - Switch1.x;
Switch2.y = 2.0 * Y - Switch1.y;
if (Switch1.x > Switch2.x) {
S1 = 1;
S2 = 0;
}
/* translate into bucket positions and deltas */
Filler->X = (inT8) MapParam (Start.x, XS, NB);
Filler->StartDelta = -(inT16) ((Cos / Sin) * 256);
Filler->EndDelta = (inT16) ((Sin / Cos) * 256);
XAdjust = BucketEnd (Filler->X, XS, NB) - Start.x;
YAdjust = XAdjust * Cos / Sin;
Filler->YStart = (inT16) MapParam (Start.y - YAdjust, YS, NB * 256);
YAdjust = XAdjust * Sin / Cos;
Filler->YEnd = (inT16) MapParam (Start.y + YAdjust, YS, NB * 256);
Filler->Switch[S1].Type = StartSwitch;
Filler->Switch[S1].X = (inT8) MapParam (Switch1.x, XS, NB);
Filler->Switch[S1].Y = (inT8) MapParam (Switch1.y, YS, NB);
XAdjust = Switch1.x - BucketStart (Filler->Switch[S1].X, XS, NB);
YAdjust = XAdjust * Sin / Cos;
Filler->Switch[S1].YInit =
(inT16) MapParam (Switch1.y - YAdjust, YS, NB * 256);
Filler->Switch[S1].Delta = Filler->EndDelta;
Filler->Switch[S2].Type = EndSwitch;
Filler->Switch[S2].X = (inT8) MapParam (Switch2.x, XS, NB);
Filler->Switch[S2].Y = (inT8) MapParam (Switch2.y, YS, NB);
XAdjust = Switch2.x - BucketStart (Filler->Switch[S2].X, XS, NB);
YAdjust = XAdjust * Cos / Sin;
Filler->Switch[S2].YInit =
(inT16) MapParam (Switch2.y + YAdjust, YS, NB * 256);
Filler->Switch[S2].Delta = Filler->StartDelta;
Filler->Switch[2].Type = LastSwitch;
Filler->Switch[2].X = (inT8) MapParam (End.x, XS, NB);
}
else {
/* falling diagonal proto */
Angle *= 2.0 * PI;
Cos = fabs (cos (Angle));
Sin = fabs (sin (Angle));
/* compute the positions of the corners of the acceptance region */
Start.x = X - (HalfLength + EndPad) * Cos - SidePad * Sin;
Start.y = Y + (HalfLength + EndPad) * Sin - SidePad * Cos;
End.x = 2.0 * X - Start.x;
End.y = 2.0 * Y - Start.y;
Switch1.x = X - (HalfLength + EndPad) * Cos + SidePad * Sin;
Switch1.y = Y + (HalfLength + EndPad) * Sin + SidePad * Cos;
Switch2.x = 2.0 * X - Switch1.x;
Switch2.y = 2.0 * Y - Switch1.y;
if (Switch1.x > Switch2.x) {
S1 = 1;
S2 = 0;
}
/* translate into bucket positions and deltas */
Filler->X = (inT8) MapParam (Start.x, XS, NB);
Filler->StartDelta = -(inT16) ((Sin / Cos) * 256);
Filler->EndDelta = (inT16) ((Cos / Sin) * 256);
XAdjust = BucketEnd (Filler->X, XS, NB) - Start.x;
YAdjust = XAdjust * Sin / Cos;
Filler->YStart = (inT16) MapParam (Start.y - YAdjust, YS, NB * 256);
YAdjust = XAdjust * Cos / Sin;
Filler->YEnd = (inT16) MapParam (Start.y + YAdjust, YS, NB * 256);
Filler->Switch[S1].Type = EndSwitch;
Filler->Switch[S1].X = (inT8) MapParam (Switch1.x, XS, NB);
Filler->Switch[S1].Y = (inT8) MapParam (Switch1.y, YS, NB);
XAdjust = Switch1.x - BucketStart (Filler->Switch[S1].X, XS, NB);
YAdjust = XAdjust * Sin / Cos;
Filler->Switch[S1].YInit =
(inT16) MapParam (Switch1.y + YAdjust, YS, NB * 256);
Filler->Switch[S1].Delta = Filler->StartDelta;
Filler->Switch[S2].Type = StartSwitch;
Filler->Switch[S2].X = (inT8) MapParam (Switch2.x, XS, NB);
Filler->Switch[S2].Y = (inT8) MapParam (Switch2.y, YS, NB);
XAdjust = Switch2.x - BucketStart (Filler->Switch[S2].X, XS, NB);
YAdjust = XAdjust * Cos / Sin;
Filler->Switch[S2].YInit =
(inT16) MapParam (Switch2.y - YAdjust, YS, NB * 256);
Filler->Switch[S2].Delta = Filler->EndDelta;
Filler->Switch[2].Type = LastSwitch;
Filler->Switch[2].X = (inT8) MapParam (End.x, XS, NB);
}
}
} /* InitTableFiller */
/*---------------------------------------------------------------------------*/
#ifndef GRAPHICS_DISABLED
void RenderIntFeature(void *window, INT_FEATURE Feature, C_COL Color) {
/*
** Parameters:
** ShapeList shape list to add feature rendering to
** Feature feature to be rendered
** Color color to use for feature rendering
** Globals: none
** Operation: This routine renders the specified feature into ShapeList.
** Return: New shape list with rendering of Feature added.
** Exceptions: none
** History: Thu Mar 21 14:57:41 1991, DSJ, Created.
*/
FLOAT32 X, Y, Dx, Dy, Length;
c_line_color_index(window, Color);
assert (Feature != NULL);
assert (Color != 0);
X = Feature->X - DISPLAY_OFFSET;
Y = Feature->Y - DISPLAY_OFFSET;
Length = GetPicoFeatureLength () * 0.7 * INT_CHAR_NORM_RANGE;
Dx = (Length / 2.0) * cos ((Feature->Theta / 256.0) * 2.0 * PI);
Dy = (Length / 2.0) * sin ((Feature->Theta / 256.0) * 2.0 * PI);
c_move (window, X - Dx, Y - Dy);
c_draw (window, X + Dx, Y + Dy);
c_move (window, X - Dx - Dy * DOUBLE_OFFSET, Y - Dy + Dx * DOUBLE_OFFSET);
c_draw (window, X + Dx - Dy * DOUBLE_OFFSET, Y + Dy + Dx * DOUBLE_OFFSET);
} /* RenderIntFeature */
/*---------------------------------------------------------------------------*/
void RenderIntProto(void *window,
INT_CLASS Class,
PROTO_ID ProtoId,
C_COL Color) {
/*
** Parameters:
** ShapeList shape list to append proto rendering onto
** Class class that proto is contained in
** ProtoId id of proto to be rendered
** Color color to render proto in
** Globals: none
** Operation: This routine extracts the parameters of the specified
** proto from the class description and adds a rendering of
** the proto onto the ShapeList.
** Return: New shape list with a rendering of one proto added.
** Exceptions: none
** History: Thu Mar 21 10:21:09 1991, DSJ, Created.
*/
PROTO_SET ProtoSet;
INT_PROTO Proto;
int ProtoSetIndex;
int ProtoWordIndex;
FLOAT32 Length;
int Xmin, Xmax, Ymin, Ymax;
FLOAT32 X, Y, Dx, Dy;
uinT32 ProtoMask;
int Bucket;
assert (ProtoId >= 0);
assert (Class != NULL);
assert (ProtoId < NumIntProtosIn (Class));
assert (Color != 0);
c_line_color_index(window, Color);
ProtoSet = ProtoSetIn (Class, SetForProto (ProtoId));
ProtoSetIndex = IndexForProto (ProtoId);
Proto = &(ProtoSet->Protos[ProtoSetIndex]);
Length = (LengthForProtoId (Class, ProtoId) *
GetPicoFeatureLength () * INT_CHAR_NORM_RANGE);
ProtoMask = PPrunerMaskFor (ProtoId);
ProtoWordIndex = PPrunerWordIndexFor (ProtoId);
// find the x and y extent of the proto from the proto pruning table
Xmin = Ymin = NUM_PP_BUCKETS;
Xmax = Ymax = 0;
for (Bucket = 0; Bucket < NUM_PP_BUCKETS; Bucket++) {
if (ProtoMask & ProtoSet->ProtoPruner[PRUNER_X][Bucket][ProtoWordIndex]) {
if (Bucket < Xmin)
Xmin = Bucket;
else if (Bucket > Xmax)
Xmax = Bucket;
}
if (ProtoMask & ProtoSet->ProtoPruner[PRUNER_Y][Bucket][ProtoWordIndex]) {
if (Bucket < Ymin)
Ymin = Bucket;
else if (Bucket > Ymax)
Ymax = Bucket;
}
}
X = (Xmin + Xmax + 1) / 2.0 * PROTO_PRUNER_SCALE - DISPLAY_OFFSET;
Y = (Ymin + Ymax + 1) / 2.0 * PROTO_PRUNER_SCALE - DISPLAY_OFFSET;
Dx = (Length / 2.0) * cos ((Proto->Angle / 256.0) * 2.0 * PI);
Dy = (Length / 2.0) * sin ((Proto->Angle / 256.0) * 2.0 * PI);
c_move (window, X - Dx, Y - Dy);
c_draw (window, X + Dx, Y + Dy);
} /* RenderIntProto */
#endif
/*---------------------------------------------------------------------------*/
int TruncateParam(FLOAT32 Param, int Min, int Max, char *Id) {
/*
** Parameters:
** Param parameter value to be truncated
** Min, Max parameter limits (inclusive)
** Id string id of parameter for error messages
** Globals: none
** Operation: This routine truncates Param to lie within the range
** of Min-Max inclusive. If a truncation is performed, and
** Id is not null, an warning message is printed.
** Return: Truncated parameter.
** Exceptions: none
** History: Fri Feb 8 11:54:28 1991, DSJ, Created.
*/
if (Param < Min) {
if (Id)
cprintf ("Warning: Param %s truncated from %f to %d!\n",
Id, Param, Min);
Param = Min;
}
else if (Param > Max) {
if (Id)
cprintf ("Warning: Param %s truncated from %f to %d!\n",
Id, Param, Max);
Param = Max;
}
return (int) floor (Param);
} /* TruncateParam */