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// File: Voxel_Reader.cxx
// Created: Wed Aug 28 19:34:33 2008
// Author: Vladislav ROMASHKO
// <vladislav.romashko@opencascade.com>
#include <Voxel_Reader.ixx>
#include <Voxel_BoolDS.hxx>
#include <Voxel_ColorDS.hxx>
#include <Voxel_FloatDS.hxx>
#include <Voxel_VoxelFileFormat.hxx>
#include <Voxel_TypeDef.hxx>
#include <TCollection_AsciiString.hxx>
#include <stdio.h>
Voxel_Reader::Voxel_Reader():myBoolVoxels(0),myColorVoxels(0),myFloatVoxels(0)
{
}
Standard_Boolean Voxel_Reader::Read(const TCollection_ExtendedString& file)
{
// Open file in ASCII mode to read header
FILE* f = fopen(TCollection_AsciiString(file, '?').ToCString(), "r");
if (!f)
return Standard_False;
// Read the header
Standard_Byte type; // 0 - bool, 1 - color, 2 - float
Voxel_VoxelFileFormat format;
Standard_Character svoxels[8], sformat[8], stype[8];
fscanf(f, "%s %s %s\n", svoxels, sformat, stype);
fclose(f);
// Take format, type of voxels.
// Voxels
if (strcmp(svoxels, VOXELS))
return Standard_False;
// Format
if (strcmp(sformat, ASCII) == 0)
format = Voxel_VFF_ASCII;
else if (strcmp(sformat, BINARY) == 0)
format = Voxel_VFF_BINARY;
else
return Standard_False;
// Type of voxels
if (strcmp(stype, BOOL) == 0)
type = 0;
else if (strcmp(stype, COLOR) == 0)
type = 1;
else if (strcmp(stype, FLOAT) == 0)
type = 2;
else
return Standard_False;
// Read the rest
switch (format)
{
case Voxel_VFF_ASCII:
{
switch (type)
{
case 0:
return ReadBoolAsciiVoxels(file);
case 1:
return ReadColorAsciiVoxels(file);
case 2:
return ReadFloatAsciiVoxels(file);
}
}
case Voxel_VFF_BINARY:
{
switch (type)
{
case 0:
return ReadBoolBinaryVoxels(file);
case 1:
return ReadColorBinaryVoxels(file);
case 2:
return ReadFloatBinaryVoxels(file);
}
}
}
// No voxels or no format description is found:
return Standard_False;
}
Standard_Boolean Voxel_Reader::IsBoolVoxels() const
{
return (myBoolVoxels != 0);
}
Standard_Boolean Voxel_Reader::IsColorVoxels() const
{
return (myColorVoxels != 0);
}
Standard_Boolean Voxel_Reader::IsFloatVoxels() const
{
return (myFloatVoxels != 0);
}
Standard_Address Voxel_Reader::GetBoolVoxels() const
{
return myBoolVoxels;
}
Standard_Address Voxel_Reader::GetColorVoxels() const
{
return myColorVoxels;
}
Standard_Address Voxel_Reader::GetFloatVoxels() const
{
return myFloatVoxels;
}
static Standard_Boolean has_slice(const Standard_CString line)
{
Standard_Integer i = 0, nb_spaces = 0;
while (line[i] != '\0')
{
if (line[i] == ' ')
nb_spaces++;
i++;
}
return (nb_spaces == 2);
}
Standard_Boolean Voxel_Reader::ReadBoolAsciiVoxels(const TCollection_ExtendedString& file)
{
// Open file for reading
FILE* f = fopen(TCollection_AsciiString(file, '?').ToCString(), "r");
if (!f)
return Standard_False;
Standard_Character line[64], sx[32], sy[32], sz[32];
// Header: skip it
fgets(line, 64, f);
// Location, size, number of splits
Standard_Integer nbx = 0, nby = 0, nbz = 0;
Standard_Real x = 0.0, y = 0.0, z = 0.0, xlen = 0.0, ylen = 0.0, zlen = 0.0;
if (fscanf(f, "%s %s %s\n", sx, sy, sz) != 3)
{
fclose(f);
return Standard_False;
}
x = atof(sx); y = atof(sy); z = atof(sz);
if (fscanf(f, "%s %s %s\n", sx, sy, sz) != 3)
{
fclose(f);
return Standard_False;
}
xlen = atof(sx); ylen = atof(sy); zlen = atof(sz);
if (fscanf(f, "%d %d %d\n", &nbx, &nby, &nbz) != 3)
{
fclose(f);
return Standard_False;
}
// Allocate the voxels
myBoolVoxels = (Standard_Address) new Voxel_BoolDS(x, y, z, xlen, ylen, zlen, nbx, nby, nbz);
// Data
// Copied from Voxel_BoolDS.cxx:
Standard_Integer nb_bytes = RealToInt(ceil(nbx * nby * nbz / 8.0));
Standard_Integer nb_slices = RealToInt(ceil(nb_bytes / 8.0));
// myData[0 .. nb_slices - 1][0 .. 7]
if (nb_slices)
{
Standard_Integer i1 = 0, i2 = 0, value = 0;
while (!feof(f))
{
fgets(line, 64, f);
if (has_slice(line))
{
if (sscanf(line, "%d %d %d\n", &i1, &i2, &value) != 3)
{
fclose(f);
return Standard_False;
}
}
else
{
if (sscanf(line, "%d %d\n", &i2, &value) != 2)
{
fclose(f);
return Standard_False;
}
}
// Set value
if (!((Standard_Byte**)((Voxel_DS*)myBoolVoxels)->myData)[i1])
{
((Standard_Byte**)((Voxel_DS*)myBoolVoxels)->myData)[i1] =
(Standard_Byte*) calloc(8/*number of bytes in slice*/, sizeof(Standard_Byte));
}
(((Standard_Byte**)((Voxel_DS*)myBoolVoxels)->myData)[i1])[i2] = (Standard_Byte)value;
}
}
fclose(f);
return Standard_True;
}
Standard_Boolean Voxel_Reader::ReadColorAsciiVoxels(const TCollection_ExtendedString& file)
{
// Open file for reading
FILE* f = fopen(TCollection_AsciiString(file, '?').ToCString(), "r");
if (!f)
return Standard_False;
Standard_Character line[64], sx[32], sy[32], sz[32];
// Header: skip it
fgets(line, 64, f);
// Location, size, number of splits
Standard_Integer nbx = 0, nby = 0, nbz = 0;
Standard_Real x = 0.0, y = 0.0, z = 0.0, xlen = 0.0, ylen = 0.0, zlen = 0.0;
if (fscanf(f, "%s %s %s\n", sx, sy, sz) != 3)
{
fclose(f);
return Standard_False;
}
x = atof(sx); y = atof(sy); z = atof(sz);
if (fscanf(f, "%s %s %s\n", sx, sy, sz) != 3)
{
fclose(f);
return Standard_False;
}
xlen = atof(sx); ylen = atof(sy); zlen = atof(sz);
if (fscanf(f, "%d %d %d\n", &nbx, &nby, &nbz) != 3)
{
fclose(f);
return Standard_False;
}
// Allocate the voxels
myColorVoxels = (Standard_Address) new Voxel_ColorDS(x, y, z, xlen, ylen, zlen, nbx, nby, nbz);
// Data
// Copied from Voxel_ColorDS.cxx:
Standard_Integer nb_bytes = RealToInt(ceil(nbx * nby * nbz / 2.0));
Standard_Integer nb_slices = RealToInt(ceil(nb_bytes / 32.0));
// myData[0 .. nb_slices - 1][0 .. 31]
if (nb_slices)
{
Standard_Integer i1 = 0, i2 = 0, value = 0;
while (!feof(f))
{
fgets(line, 64, f);
if (has_slice(line))
{
if (sscanf(line, "%d %d %d\n", &i1, &i2, &value) != 3)
{
fclose(f);
return Standard_False;
}
}
else
{
if (sscanf(line, "%d %d\n", &i2, &value) != 2)
{
fclose(f);
return Standard_False;
}
}
// Set value
if (!((Standard_Byte**)((Voxel_DS*)myColorVoxels)->myData)[i1])
{
((Standard_Byte**)((Voxel_DS*)myColorVoxels)->myData)[i1] =
(Standard_Byte*) calloc(32/*number of bytes in slice*/, sizeof(Standard_Byte));
}
(((Standard_Byte**)((Voxel_DS*)myColorVoxels)->myData)[i1])[i2] = (Standard_Byte)value;
}
}
fclose(f);
return Standard_True;
}
Standard_Boolean Voxel_Reader::ReadFloatAsciiVoxels(const TCollection_ExtendedString& file)
{
// Open file for reading
FILE* f = fopen(TCollection_AsciiString(file, '?').ToCString(), "r");
if (!f)
return Standard_False;
Standard_Character line[64], sx[32], sy[32], sz[32];
// Header: skip it
fgets(line, 64, f);
// Location, size, number of splits
Standard_Integer nbx = 0, nby = 0, nbz = 0;
Standard_Real x = 0.0, y = 0.0, z = 0.0, xlen = 0.0, ylen = 0.0, zlen = 0.0;
if (fscanf(f, "%s %s %s\n", sx, sy, sz) != 3)
{
fclose(f);
return Standard_False;
}
x = atof(sx); y = atof(sy); z = atof(sz);
if (fscanf(f, "%s %s %s\n", sx, sy, sz) != 3)
{
fclose(f);
return Standard_False;
}
xlen = atof(sx); ylen = atof(sy); zlen = atof(sz);
if (fscanf(f, "%d %d %d\n", &nbx, &nby, &nbz) != 3)
{
fclose(f);
return Standard_False;
}
// Allocate the voxels
myFloatVoxels = (Standard_Address) new Voxel_FloatDS(x, y, z, xlen, ylen, zlen, nbx, nby, nbz);
// Data
// Copied from Voxel_FloatDS.cxx:
Standard_Integer nb_floats = nbx * nby * nbz;
Standard_Integer nb_slices = RealToInt(ceil(nb_floats / 32.0)); // 32 values in 1 slice
// myData[0 .. nb_slices - 1][0 .. 31]
if (nb_slices)
{
Standard_Integer i1 = 0, i2 = 0;
Standard_ShortReal value = 0.0;
while (!feof(f))
{
fgets(line, 64, f);
if (has_slice(line))
{
if (sscanf(line, "%d %d %s\n", &i1, &i2, line) != 3)
{
fclose(f);
return Standard_False;
}
}
else
{
if (sscanf(line, "%d %s\n", &i2, line) != 2)
{
fclose(f);
return Standard_False;
}
}
value = (Standard_ShortReal)atof(line);
// Set value
if (!((Standard_ShortReal**)((Voxel_DS*)myFloatVoxels)->myData)[i1])
{
((Standard_ShortReal**)((Voxel_DS*)myFloatVoxels)->myData)[i1] =
(Standard_ShortReal*) calloc(32/*number of floats in slice*/, sizeof(Standard_ShortReal));
}
(((Standard_ShortReal**)((Voxel_DS*)myFloatVoxels)->myData)[i1])[i2] = value;
}
}
fclose(f);
return Standard_True;
}
Standard_Boolean Voxel_Reader::ReadBoolBinaryVoxels(const TCollection_ExtendedString& file)
{
// Open file for reading
FILE* f = fopen(TCollection_AsciiString(file, '?').ToCString(), "rb");
if (!f)
return Standard_False;
// Header: skip it
Standard_Character line[64];
fgets(line, 64, f);
// Location, size, number of splits
Standard_Integer nbx = 0, nby = 0, nbz = 0;
Standard_Real x = 0.0, y = 0.0, z = 0.0, xlen = 0.0, ylen = 0.0, zlen = 0.0;
fread(&x, sizeof(Standard_Real), 1, f);
fread(&y, sizeof(Standard_Real), 1, f);
fread(&z, sizeof(Standard_Real), 1, f);
fread(&xlen, sizeof(Standard_Real), 1, f);
fread(&ylen, sizeof(Standard_Real), 1, f);
fread(&zlen, sizeof(Standard_Real), 1, f);
fread(&nbx, sizeof(Standard_Integer), 1, f);
fread(&nby, sizeof(Standard_Integer), 1, f);
fread(&nbz, sizeof(Standard_Integer), 1, f);
// Allocate the voxels
myBoolVoxels = (Standard_Address) new Voxel_BoolDS(x, y, z, xlen, ylen, zlen, nbx, nby, nbz);
// Data
// Copied from Voxel_BoolDS.cxx:
Standard_Integer nb_bytes = RealToInt(ceil(nbx * nby * nbz / 8.0));
Standard_Integer nb_slices = RealToInt(ceil(nb_bytes / 8.0));
// myData[0 .. nb_slices - 1][0 .. 7]
if (nb_slices)
{
Standard_Integer i1 = 0, i2 = 0, value = 0;
while (!feof(f))
{
fread(&i1, sizeof(Standard_Integer), 1, f);
fread(&i2, sizeof(Standard_Integer), 1, f);
fread(&value, sizeof(Standard_Byte), 1, f);
// Set value
if (!((Standard_Byte**)((Voxel_DS*)myBoolVoxels)->myData)[i1])
{
((Standard_Byte**)((Voxel_DS*)myBoolVoxels)->myData)[i1] =
(Standard_Byte*) calloc(8/*number of bytes in slice*/, sizeof(Standard_Byte));
}
(((Standard_Byte**)((Voxel_DS*)myBoolVoxels)->myData)[i1])[i2] = (Standard_Byte)value;
}
}
fclose(f);
return Standard_True;
}
Standard_Boolean Voxel_Reader::ReadColorBinaryVoxels(const TCollection_ExtendedString& file)
{
// Open file for reading
FILE* f = fopen(TCollection_AsciiString(file, '?').ToCString(), "rb");
if (!f)
return Standard_False;
// Header: skip it
Standard_Character line[64];
fgets(line, 64, f);
// Location, size, number of splits
Standard_Integer nbx = 0, nby = 0, nbz = 0;
Standard_Real x = 0.0, y = 0.0, z = 0.0, xlen = 0.0, ylen = 0.0, zlen = 0.0;
fread(&x, sizeof(Standard_Real), 1, f);
fread(&y, sizeof(Standard_Real), 1, f);
fread(&z, sizeof(Standard_Real), 1, f);
fread(&xlen, sizeof(Standard_Real), 1, f);
fread(&ylen, sizeof(Standard_Real), 1, f);
fread(&zlen, sizeof(Standard_Real), 1, f);
fread(&nbx, sizeof(Standard_Integer), 1, f);
fread(&nby, sizeof(Standard_Integer), 1, f);
fread(&nbz, sizeof(Standard_Integer), 1, f);
// Allocate the voxels
myColorVoxels = (Standard_Address) new Voxel_ColorDS(x, y, z, xlen, ylen, zlen, nbx, nby, nbz);
// Data
// Copied from Voxel_ColorDS.cxx:
Standard_Integer nb_bytes = RealToInt(ceil(nbx * nby * nbz / 2.0));
Standard_Integer nb_slices = RealToInt(ceil(nb_bytes / 32.0));
// myData[0 .. nb_slices - 1][0 .. 31]
if (nb_slices)
{
Standard_Integer i1 = 0, i2 = 0, value = 0;
while (!feof(f))
{
fread(&i1, sizeof(Standard_Integer), 1, f);
fread(&i2, sizeof(Standard_Integer), 1, f);
fread(&value, sizeof(Standard_Byte), 1, f);
// Set value
if (!((Standard_Byte**)((Voxel_DS*)myColorVoxels)->myData)[i1])
{
((Standard_Byte**)((Voxel_DS*)myColorVoxels)->myData)[i1] =
(Standard_Byte*) calloc(32/*number of bytes in slice*/, sizeof(Standard_Byte));
}
(((Standard_Byte**)((Voxel_DS*)myColorVoxels)->myData)[i1])[i2] = (Standard_Byte)value;
}
}
fclose(f);
return Standard_True;
}
Standard_Boolean Voxel_Reader::ReadFloatBinaryVoxels(const TCollection_ExtendedString& file)
{
// Open file for reading
FILE* f = fopen(TCollection_AsciiString(file, '?').ToCString(), "rb");
if (!f)
return Standard_False;
// Header: skip it
Standard_Character line[64];
fgets(line, 64, f);
// Location, size, number of splits
Standard_Integer nbx = 0, nby = 0, nbz = 0;
Standard_Real x = 0.0, y = 0.0, z = 0.0, xlen = 0.0, ylen = 0.0, zlen = 0.0;
fread(&x, sizeof(Standard_Real), 1, f);
fread(&y, sizeof(Standard_Real), 1, f);
fread(&z, sizeof(Standard_Real), 1, f);
fread(&xlen, sizeof(Standard_Real), 1, f);
fread(&ylen, sizeof(Standard_Real), 1, f);
fread(&zlen, sizeof(Standard_Real), 1, f);
fread(&nbx, sizeof(Standard_Integer), 1, f);
fread(&nby, sizeof(Standard_Integer), 1, f);
fread(&nbz, sizeof(Standard_Integer), 1, f);
// Allocate the voxels
myFloatVoxels = (Standard_Address) new Voxel_FloatDS(x, y, z, xlen, ylen, zlen, nbx, nby, nbz);
// Data
// Copied from Voxel_FloatDS.cxx:
Standard_Integer nb_floats = nbx * nby * nbz;
Standard_Integer nb_slices = RealToInt(ceil(nb_floats / 32.0)); // 32 values in 1 slice
// myData[0 .. nb_slices - 1][0 .. 31]
if (nb_slices)
{
Standard_Integer i1 = 0, i2 = 0;
Standard_ShortReal value = 0.0;
while (!feof(f))
{
fread(&i1, sizeof(Standard_Integer), 1, f);
fread(&i2, sizeof(Standard_Integer), 1, f);
fread(&value, sizeof(Standard_ShortReal), 1, f);
// Set value
if (!((Standard_ShortReal**)((Voxel_DS*)myFloatVoxels)->myData)[i1])
{
((Standard_ShortReal**)((Voxel_DS*)myFloatVoxels)->myData)[i1] =
(Standard_ShortReal*) calloc(32/*number of floats in slice*/, sizeof(Standard_ShortReal));
}
(((Standard_ShortReal**)((Voxel_DS*)myFloatVoxels)->myData)[i1])[i2] = value;
}
}
fclose(f);
return Standard_True;
}
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