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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
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* Copyright ( C ) 2004 - 2016 \ / ) \ / *
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* Visual Computing Lab / \ / | *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved . *
* *
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* This program is free software ; you can redistribute it and / or modify *
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* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation ; either version 2 of the License , or *
* ( at your option ) any later version . *
* *
* This program is distributed in the hope that it will be useful , *
* but WITHOUT ANY WARRANTY ; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the *
* GNU General Public License ( http : //www.gnu.org/licenses/gpl.txt) *
* for more details . *
* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# ifndef __VCGLIB_IMPORT_OFF
# define __VCGLIB_IMPORT_OFF
# include <fstream>
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# include <vcg/complex/algorithms/bitquad_support.h>
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# include <wrap/io_trimesh/io_mask.h>
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# include <wrap/io_trimesh/io_fan_tessellator.h>
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namespace vcg {
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namespace tri {
namespace io {
// /** \addtogroup */
// /* @{ */
/**
This class encapsulate a filter for importing OFF meshes .
A basic description of the OFF file format can be found at http : //www.geomview.org/docs/html/geomview_41.html
*/
template < class MESH_TYPE >
class ImporterOFF
{
public :
typedef typename MESH_TYPE : : VertexType VertexType ;
typedef typename MESH_TYPE : : VertexIterator VertexIterator ;
typedef typename MESH_TYPE : : VertexPointer VertexPointer ;
typedef typename MESH_TYPE : : FaceType FaceType ;
typedef typename MESH_TYPE : : FaceIterator FaceIterator ;
typedef typename MESH_TYPE : : FacePointer FacePointer ;
typedef typename MESH_TYPE : : CoordType CoordType ;
typedef typename MESH_TYPE : : ScalarType ScalarType ;
// OFF codes
enum OFFCodes {
NoError = 0 , CantOpen , InvalidFile ,
InvalidFile_MissingOFF ,
UnsupportedFormat , ErrorNotTriangularFace , ErrorHighDimension , ErrorDegenerateFace
} ;
/*!
* Standard call for knowing the meaning of an error code
* \ param message_code The code returned by < CODE > Open < / CODE >
* \ return The string describing the error code
*/
static const char * ErrorMsg ( int message_code )
{
static const char * error_msg [ ] =
{
" No errors " , " Can't open file " , " Invalid file " ,
" Invalid file: OFF file should have in the first line the OFF keyword as a first token " ,
" Unsupported format " , " Face with more than 3 vertices " , " File with high dimensional vertexes are not supported " , " Error Degenerate Face with less than 3 vertices " } ;
if ( message_code > 6 | | message_code < 0 )
return " Unknown error " ;
else
return error_msg [ message_code ] ;
} ;
/**
* Load only the properties of the 3 D objects .
*
* \ param filename the name of the file to read from
* \ param loadmask the mask which encodes the properties
* \ return the operation result
*/
static bool LoadMask ( const char * filename , int & loadmask )
{
// To obtain the loading mask all the file must be parsed
// to distinguish between per-vertex and per-face color attribute.
loadmask = 0 ;
MESH_TYPE dummyMesh ;
return ( Open ( dummyMesh , filename , loadmask ) = = NoError ) ;
}
static int Open ( MESH_TYPE & mesh , const char * filename , CallBackPos * cb = 0 )
{
int loadmask ;
return Open ( mesh , filename , loadmask , cb ) ;
}
static int OpenMem ( MESH_TYPE & mesh , const char * mem , size_t sz , int & loadmask ,
CallBackPos * cb = 0 )
{
std : : string str ;
str . append ( mem , sz ) ;
std : : istringstream strm ( str ) ;
return OpenStream ( mesh , strm , loadmask , cb ) ;
}
/*!
* Standard call for reading a mesh .
*
* \ param mesh the destination mesh
* \ param filename the name of the file to read from
* \ return the operation result
*/
static int Open ( MESH_TYPE & mesh , const char * filename , int & loadmask ,
CallBackPos * cb = 0 )
{
std : : ifstream stream ( filename ) ;
if ( stream . fail ( ) )
return CantOpen ;
return OpenStream ( mesh , stream , loadmask , cb ) ;
}
static int OpenStream ( MESH_TYPE & mesh , std : : istream & stream , int & loadmask ,
CallBackPos * cb = 0 )
{
std : : vector < std : : string > tokens ;
TokenizeNextLine ( stream , tokens ) ;
if ( tokens . empty ( ) ) return InvalidFile_MissingOFF ;
bool isNormalDefined = false ;
bool isColorDefined = false ;
bool isTexCoordDefined = false ;
int dimension = 3 ;
bool homogeneousComponents = false ;
/*
[ ST ] [ C ] [ N ] [ 4 ] [ n ] OFF # Header keyword
[ Ndim ] # Space dimension of vertices , present only if nOFF
NVertices NFaces NEdges # NEdges not used or checked
x [ 0 ] y [ 0 ] z [ 0 ] # Vertices , possibly with normals , colors , and / or texture coordinates , in that order , if the prefixes N , C , ST are present .
# If 4OFF, each vertex has 4 components including a final homogeneous component.
# If nOFF, each vertex has Ndim components.
# If 4nOFF, each vertex has Ndim+1 components.
. . .
x [ NVertices - 1 ] y [ NVertices - 1 ] z [ NVertices - 1 ]
# Faces
# Nv = # vertices on this face
# v[0] ... v[Nv-1]: vertex indices
# in range 0..NVertices-1
Nv v [ 0 ] v [ 1 ] . . . v [ Nv - 1 ] colorspec
. . .
# colorspec continues past v[Nv-1] to end-of-line; may be 0 to 4 numbers
# nothing: default
# integer: colormap index
# 3 or 4 integers: RGB[A] values 0..255
# 3 or 4 floats: RGB[A] values 0..1
*/
std : : string header = tokens [ 0 ] ;
if ( header . rfind ( " OFF " ) ! = std : : basic_string < char > : : npos )
{ // the OFF string is in the header go on parsing it.
for ( int u = static_cast < int > ( header . rfind ( " OFF " ) - 1 ) ; u > = 0 ; u - - )
{
if ( header [ u ] = = ' C ' )
isColorDefined = true ;
else if ( header [ u ] = = ' N ' )
isNormalDefined = true ;
else if ( u > 0 & & header [ u - 1 ] = = ' S ' & & header [ u ] = = ' T ' )
isTexCoordDefined = true ;
else if ( header [ u ] = = ' 4 ' )
homogeneousComponents = true ;
else if ( header [ u ] = = ' n ' )
return ErrorHighDimension ;
}
}
else return InvalidFile_MissingOFF ;
// If the file is slightly malformed and it has nvert and nface AFTER the OFF string instead of in the next line
// we manage it here...
if ( tokens . size ( ) = = 1 ) TokenizeNextLine ( stream , tokens ) ;
else tokens . erase ( tokens . begin ( ) , tokens . begin ( ) + 1 ) ;
// Update loading mask
///////////////////////////////////////
loadmask = Mask : : IOM_VERTCOORD | Mask : : IOM_FACEINDEX ;
if ( isNormalDefined ) loadmask | = Mask : : IOM_VERTNORMAL ;
if ( isTexCoordDefined ) loadmask | = Mask : : IOM_VERTTEXCOORD ;
//if (isColorDefined) { loadmask |= Mask::IOM_VERTCOLOR;loadmask |= Mask::IOM_FACECOLOR;}
//if(onlyMaskFlag) return NoError;
mesh . Clear ( ) ;
// check on next 2 lines to detect corrupted files
if ( tokens . size ( ) < 3 )
return InvalidFile ;
unsigned int nVertices , nFaces , nEdges ;
nVertices = atoi ( tokens [ 0 ] . c_str ( ) ) ;
nFaces = atoi ( tokens [ 1 ] . c_str ( ) ) ;
nEdges = atoi ( tokens [ 2 ] . c_str ( ) ) ;
// dimension is the space dimension of vertices => it must be three(!)
if ( dimension ! = 3 )
return UnsupportedFormat ;
if ( homogeneousComponents )
return UnsupportedFormat ;
// READ VERTICES
//////////////////////////////////////////////////////
VertexIterator v_iter = Allocator < MESH_TYPE > : : AddVertices ( mesh , nVertices ) ;
TokenizeNextLine ( stream , tokens ) ;
size_t k = 0 ; // next token to read
for ( unsigned int i = 0 ; i < nVertices ; i + + , v_iter + + )
{
if ( cb & & ( i % 1000 ) = = 0 )
cb ( i * 50 / nVertices , " Vertex Loading " ) ;
// Read 3 vertex coordinates
for ( unsigned int j = 0 ; j < 3 ; j + + )
{
// Go to next line when needed
if ( k = = tokens . size ( ) ) // if EOL
{
TokenizeNextLine ( stream , tokens ) ;
if ( tokens . size ( ) = = 0 ) // if EOF
return InvalidFile ;
k = 0 ;
}
// Read vertex coordinate
( * v_iter ) . P ( ) [ j ] = ( ScalarType ) atof ( tokens [ k ] . c_str ( ) ) ;
k + + ;
}
if ( isNormalDefined )
{
// Read 3 normal coordinates
for ( unsigned int j = 0 ; j < 3 ; j + + )
{
// Go to next line when needed
if ( k = = tokens . size ( ) ) // if EOL
{
TokenizeNextLine ( stream , tokens ) ;
if ( tokens . size ( ) = = 0 ) // if EOF
return InvalidFile ;
k = 0 ;
}
// Read normal coordinate
( * v_iter ) . N ( ) [ j ] = ( ScalarType ) atof ( tokens [ k ] . c_str ( ) ) ;
k + + ;
}
}
// NOTE: It is assumed that colored vertex takes exactly one text line
// (otherwise it is impossible to parse color information since
// color components can vary)
if ( isColorDefined )
{
// The number of color components varies from 0 to 4.
// The OFF format guaranties that there is 1 vertex per line.
int nb_color_components = static_cast < int > ( tokens . size ( ) )
- static_cast < int > ( k ) /* tokens already parsed */
- 2 * ( isTexCoordDefined ? 1 : 0 ) ;
if ( nb_color_components < 0 | | nb_color_components > 4 )
return InvalidFile ;
// set per-vertex color attribute
if ( nb_color_components > 0 )
loadmask | = Mask : : IOM_VERTCOLOR ;
// Store color components
if ( tri : : HasPerVertexColor ( mesh ) )
{
// Read color components
if ( nb_color_components = = 1 )
{
// read color index
( * v_iter ) . C ( ) . Import ( ColorMap ( atoi ( tokens [ k ] . c_str ( ) ) ) ) ;
}
else if ( nb_color_components = = 3 )
{
// read RGB color
if ( tokens [ k ] . find ( " . " ) = = size_t ( - 1 ) ) // if it is a float there is a dot
{
// integers
unsigned char r =
static_cast < unsigned char > ( atoi ( tokens [ k ] . c_str ( ) ) ) ;
unsigned char g =
static_cast < unsigned char > ( atoi ( tokens [ k + 1 ] . c_str ( ) ) ) ;
unsigned char b =
static_cast < unsigned char > ( atoi ( tokens [ k + 2 ] . c_str ( ) ) ) ;
vcg : : Color4b color ( r , g , b , 255 ) ;
( * v_iter ) . C ( ) . Import ( color ) ;
}
else
{
// floats
float r = static_cast < float > ( atof ( tokens [ k ] . c_str ( ) ) ) ;
float g = static_cast < float > ( atof ( tokens [ k + 1 ] . c_str ( ) ) ) ;
float b = static_cast < float > ( atof ( tokens [ k + 2 ] . c_str ( ) ) ) ;
vcg : : Color4f color ( r , g , b , 1.0 ) ;
( * v_iter ) . C ( ) . Import ( color ) ;
}
}
else if ( nb_color_components = = 4 )
{
// read RGBA color
if ( tokens [ k ] . find ( " . " ) = = size_t ( - 1 ) )
{
// integers
unsigned char r =
static_cast < unsigned char > ( atoi ( tokens [ k ] . c_str ( ) ) ) ;
unsigned char g =
static_cast < unsigned char > ( atoi ( tokens [ k + 1 ] . c_str ( ) ) ) ;
unsigned char b =
static_cast < unsigned char > ( atoi ( tokens [ k + 2 ] . c_str ( ) ) ) ;
unsigned char a =
static_cast < unsigned char > ( atoi ( tokens [ k + 3 ] . c_str ( ) ) ) ;
Color4b color ( r , g , b , a ) ;
( * v_iter ) . C ( ) . Import ( color ) ;
}
else
{
// floats
float r = static_cast < float > ( atof ( tokens [ k ] . c_str ( ) ) ) ;
float g = static_cast < float > ( atof ( tokens [ k + 1 ] . c_str ( ) ) ) ;
float b = static_cast < float > ( atof ( tokens [ k + 2 ] . c_str ( ) ) ) ;
float a = static_cast < float > ( atof ( tokens [ k + 3 ] . c_str ( ) ) ) ;
vcg : : Color4f color ( r , g , b , a ) ;
( * v_iter ) . C ( ) . Import ( color ) ;
}
}
}
k + = nb_color_components ;
}
if ( isTexCoordDefined )
{
for ( unsigned int j = 0 ; j < 2 ; j + + )
{
// Go to next line when needed
if ( k = = tokens . size ( ) ) // if EOL
{
TokenizeNextLine ( stream , tokens ) ;
if ( tokens . size ( ) = = 0 ) // if EOF
return InvalidFile ;
k = 0 ;
}
std : : string str = tokens [ k ] ;
k + + ;
// Store texture coordinates
if ( tri : : HasPerWedgeTexCoord ( mesh ) )
{
//...TODO...
}
}
}
} // for i=...
// READ FACES
//////////////////////////////////////////////////////
if ( FaceType : : HasPolyInfo ( ) )
{
for ( unsigned int f = 0 ; f < nFaces ; f + + )
{
if ( cb & & ( f % 1000 ) = = 0 ) cb ( 50 + f * 50 / nFaces , " Face Loading " ) ;
TokenizeNextLine ( stream , tokens ) ;
int vert_per_face = atoi ( tokens [ 0 ] . c_str ( ) ) ;
std : : vector < int > vInd ( vert_per_face ) ;
k = 1 ;
for ( int j = 0 ; j < vert_per_face ; j + + )
{
if ( k = = tokens . size ( ) ) // if EOL // Go to next line when needed
{
TokenizeNextLine ( stream , tokens ) ;
if ( tokens . size ( ) = = 0 ) return InvalidFile ; // if EOF
k = 0 ;
}
vInd [ j ] = atoi ( tokens [ k ] . c_str ( ) ) ;
k + + ;
}
if ( vert_per_face = = 3 )
Allocator < MESH_TYPE > : : AddFace ( mesh , & mesh . vert [ vInd [ 0 ] ] , & mesh . vert [ vInd [ 1 ] ] , & mesh . vert [ vInd [ 2 ] ] ) ;
if ( vert_per_face = = 4 )
Allocator < MESH_TYPE > : : AddQuadFace ( mesh , & mesh . vert [ vInd [ 0 ] ] , & mesh . vert [ vInd [ 1 ] ] , & mesh . vert [ vInd [ 2 ] ] , & mesh . vert [ vInd [ 3 ] ] ) ;
}
}
else // Standard Triangular Mesh Loading
{
Allocator < MESH_TYPE > : : AddFaces ( mesh , nFaces ) ;
unsigned int f0 = 0 ;
// Initial call to the QuadTriangulate with an empty vector to just reset the static set of existing diagonals
std : : vector < VertexPointer > qtmp ;
BitQuad < MESH_TYPE > : : QuadTriangulate ( qtmp ) ;
for ( unsigned int f = 0 ; f < nFaces ; f + + )
{
f0 = f ;
if ( stream . fail ( ) )
return InvalidFile ;
if ( cb & & ( f % 1000 ) = = 0 )
cb ( 50 + f * 50 / nFaces , " Face Loading " ) ;
TokenizeNextLine ( stream , tokens ) ;
int vert_per_face = atoi ( tokens [ 0 ] . c_str ( ) ) ;
if ( vert_per_face < 3 )
return ErrorDegenerateFace ;
k = 1 ;
if ( vert_per_face = = 3 )
{
for ( int j = 0 ; j < 3 ; j + + )
{
if ( k = = tokens . size ( ) ) // if EOL // Go to next line when needed
{
TokenizeNextLine ( stream , tokens ) ;
if ( tokens . size ( ) = = 0 ) return InvalidFile ; // if EOF
k = 0 ;
}
mesh . face [ f ] . V ( j ) = & ( mesh . vert [ atoi ( tokens [ k ] . c_str ( ) ) ] ) ;
k + + ;
}
}
else
{
// The face must be triangulated
unsigned int trigs = vert_per_face - 3 ; // number of extra faces to add
nFaces + = trigs ;
Allocator < MESH_TYPE > : : AddFaces ( mesh , trigs ) ;
std : : vector < int > vertIndices ( vert_per_face ) ;
std : : vector < vcg : : Point3f > polygonVect ( vert_per_face ) ; // vec of polygon loops used for the triangulation of polygonal face
for ( int j = 0 ; j < vert_per_face ; j + + )
{
if ( k = = tokens . size ( ) ) // if EOL // Go to next line when needed
{
TokenizeNextLine ( stream , tokens ) ;
if ( tokens . size ( ) = = 0 ) return InvalidFile ; // if EOF
k = 0 ;
}
vertIndices [ j ] = atoi ( tokens [ k ] . c_str ( ) ) ;
polygonVect [ j ] . Import < ScalarType > ( mesh . vert [ vertIndices [ j ] ] . P ( ) ) ;
k + + ;
}
if ( vert_per_face = = 4 )
{ // To well triangulate use the bitquad support function that reorders vertex for a simple fan
std : : vector < VertexPointer > q ( 4 ) ;
for ( int qqi = 0 ; qqi < 4 ; + + qqi )
q [ qqi ] = & mesh . vert [ vertIndices [ qqi ] ] ;
BitQuad < MESH_TYPE > : : QuadTriangulate ( q ) ;
for ( int qqi = 0 ; qqi < 4 ; + + qqi )
vertIndices [ qqi ] = q [ qqi ] - & mesh . vert [ 0 ] ;
// build a two face fan
for ( int j = 0 ; j < 2 ; j + + )
{
mesh . face [ f + j ] . V ( 0 ) = & ( mesh . vert [ vertIndices [ 0 ] ] ) ;
mesh . face [ f + j ] . V ( 1 ) = & ( mesh . vert [ vertIndices [ 1 + j ] ] ) ;
mesh . face [ f + j ] . V ( 2 ) = & ( mesh . vert [ vertIndices [ 2 + j ] ] ) ;
if ( tri : : HasPerFaceFlags ( mesh ) ) {
// tag internal polygonal edges as "faux"
if ( j > 0 ) mesh . face [ f + j ] . SetF ( 0 ) ;
if ( j < vert_per_face - 3 ) mesh . face [ f + j ] . SetF ( 2 ) ;
loadmask | = Mask : : IOM_BITPOLYGONAL ;
}
}
}
else // standard fan triangulation (we hope the polygon is convex...)
{
std : : vector < int > indexTriangulatedVect ;
// TessellatePlanarPolygon3(polygonVect,indexTriangulatedVect);
std : : vector < std : : vector < Point3f > > loopVect ;
loopVect . push_back ( polygonVect ) ;
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# ifdef __gl_h_
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//qDebug("OK: using opengl tessellation for a polygon of %i vertices",vertexesPerFace);
vcg : : glu_tesselator : : tesselate < vcg : : Point3f > ( loopVect , indexTriangulatedVect ) ;
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# else
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//qDebug("Warning: using fan tessellation for a polygon of %i vertices",vertexesPerFace);
tri : : io : : FanTessellator ( loopVect , indexTriangulatedVect ) ;
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# endif
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for ( size_t j = 0 ; j < indexTriangulatedVect . size ( ) ; j + = 3 )
{
mesh . face [ f + j / 3 ] . V ( 0 ) = & ( mesh . vert [ vertIndices [ indexTriangulatedVect [ j + 0 ] ] ] ) ;
mesh . face [ f + j / 3 ] . V ( 1 ) = & ( mesh . vert [ vertIndices [ indexTriangulatedVect [ j + 1 ] ] ] ) ;
mesh . face [ f + j / 3 ] . V ( 2 ) = & ( mesh . vert [ vertIndices [ indexTriangulatedVect [ j + 2 ] ] ] ) ;
// To correctly set Faux edges we have to clear the faux bit for all the edges that do not correspond to consecutive vertices
// Consecutivity is in the space of the index of the polygon.
for ( int qq = 0 ; qq < 3 ; + + qq )
{
if ( ( indexTriangulatedVect [ j + qq ] + 1 ) % vert_per_face = = indexTriangulatedVect [ j + ( qq + 1 ) % 3 ] )
mesh . face [ f + j / 3 ] . ClearF ( qq ) ;
else mesh . face [ f + j / 3 ] . SetF ( qq ) ;
}
}
}
f + = trigs ;
}
// NOTE: It is assumed that colored face takes exactly one text line
// (otherwise it is impossible to parse color information since
// color components can vary)
size_t color_elements = tokens . size ( ) - vert_per_face - 1 ;
//isColorDefined |= (color_elements>0);
//if(isColorDefined) loadmask |= Mask::IOM_FACECOLOR;
if ( color_elements > 0 )
{
loadmask | = Mask : : IOM_FACECOLOR ;
if ( tri : : HasPerFaceColor ( mesh ) )
{
switch ( color_elements )
{
case 0 :
{
for ( ; f0 < = f ; f0 + + )
mesh . face [ f0 ] . C ( ) . Import ( vcg : : Color4f ( .666f , .666f , .666f , .666f ) ) ;
break ;
}
case 1 :
{
for ( ; f0 < = f ; f0 + + )
mesh . face [ f0 ] . C ( ) . Import ( ColorMap ( atoi ( tokens [ vert_per_face + 1 ] . c_str ( ) ) ) ) ;
break ;
}
case 3 :
{
if ( tokens [ vert_per_face + 1 ] . find ( ' . ' ) = = std : : string : : npos ) // if there is a float there is a dot
{
Color4b cc ( Color4b : : White ) ;
cc [ 0 ] = ( unsigned char ) atoi ( tokens [ vert_per_face + 1 ] . c_str ( ) ) ;
cc [ 1 ] = ( unsigned char ) atoi ( tokens [ vert_per_face + 2 ] . c_str ( ) ) ;
cc [ 2 ] = ( unsigned char ) atoi ( tokens [ vert_per_face + 3 ] . c_str ( ) ) ;
for ( ; f0 < = f ; f0 + + )
mesh . face [ f0 ] . C ( ) = cc ;
}
else
{
float color [ 3 ] ;
color [ 0 ] = ( float ) atof ( tokens [ vert_per_face + 1 ] . c_str ( ) ) ;
color [ 1 ] = ( float ) atof ( tokens [ vert_per_face + 2 ] . c_str ( ) ) ;
color [ 2 ] = ( float ) atof ( tokens [ vert_per_face + 3 ] . c_str ( ) ) ;
for ( ; f0 < = f ; f0 + + )
mesh . face [ f0 ] . C ( ) . Import ( vcg : : Color4f ( color [ 0 ] , color [ 1 ] , color [ 2 ] , 1.0f ) ) ;
}
break ;
}
case 4 :
{
if ( tokens [ vert_per_face + 1 ] . find ( ' . ' ) = = std : : string : : npos ) // if it is a float there is a dot
{
Color4b cc ;
cc [ 0 ] = ( unsigned char ) atoi ( tokens [ vert_per_face + 1 ] . c_str ( ) ) ;
cc [ 1 ] = ( unsigned char ) atoi ( tokens [ vert_per_face + 2 ] . c_str ( ) ) ;
cc [ 2 ] = ( unsigned char ) atoi ( tokens [ vert_per_face + 3 ] . c_str ( ) ) ;
cc [ 3 ] = ( unsigned char ) atoi ( tokens [ vert_per_face + 4 ] . c_str ( ) ) ;
for ( ; f0 < = f ; f0 + + )
mesh . face [ f0 ] . C ( ) = cc ;
}
else
{
float color [ 4 ] ;
color [ 0 ] = float ( atof ( tokens [ vert_per_face + 1 ] . c_str ( ) ) ) ;
color [ 1 ] = float ( atof ( tokens [ vert_per_face + 2 ] . c_str ( ) ) ) ;
color [ 2 ] = float ( atof ( tokens [ vert_per_face + 3 ] . c_str ( ) ) ) ;
color [ 3 ] = float ( atof ( tokens [ vert_per_face + 4 ] . c_str ( ) ) ) ;
for ( ; f0 < = f ; f0 + + )
mesh . face [ f0 ] . C ( ) . Import ( vcg : : Color4f ( color [ 0 ] , color [ 1 ] , color [ 2 ] , color [ 3 ] ) ) ;
}
break ;
}
} //end switch
}
} // end if (isColorDefined)
} // end of for f=...
}
return NoError ;
} // end Open
protected :
/*!
* Read the next valid line and parses it into " tokens " , allowing the tokens to be read one at a time .
* \ param stream The object providing the input stream
* \ param tokens The " tokens " in the next line
*/
inline static void TokenizeNextLine ( std : : istream & stream , std : : vector < std : : string > & tokens )
{
std : : string line ;
do
std : : getline ( stream , line , ' \n ' ) ;
while ( ( line [ 0 ] = = ' # ' | | line . length ( ) = = 0 | | line [ 0 ] = = ' \r ' ) & & ( ! stream . eof ( ) ) ) ;
size_t from = 0 ;
size_t to = 0 ;
size_t length = line . size ( ) ;
tokens . clear ( ) ;
do
{
while ( from ! = length & & ( line [ from ] = = ' ' | | line [ from ] = = ' \t ' | | line [ from ] = = ' \r ' ) )
from + + ;
if ( from ! = length )
{
to = from + 1 ;
while ( to ! = length & & ( ( ( line [ to ] ! = ' ' ) & & ( line [ to ] ! = ' \t ' ) ) | | ( line [ to ] = = ' \r ' ) ) )
to + + ;
tokens . push_back ( line . substr ( from , to - from ) . c_str ( ) ) ;
from = to ;
}
} while ( from < length ) ;
} // end Tokenize
/*!
* Provide the int - > color mapping , according to the Geomview ' s ` cmap . fmap ' file .
* \ param i the color index
* \ return the corresponding < CODE > vcg : : Color4f < / CODE > color
*/
static const vcg : : Color4f ColorMap ( int i )
{
static const float colorMap [ 148 ] [ 4 ] =
{
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.2f , 0.2f , 0.2f , 0.2f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.1f , 0.1f , 0.1f , 0.1f } ,
{ 0.1f , 0.1f , 0.1f , 0.1f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.2f , 0.2f , 0.2f , 0.2f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 1.0f , 1.0f , 1.0f , 1.0f } ,
{ 0.05f , 0.05f , 0.05f , 0.05f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.2f , 0.2f , 0.2f , 0.2f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.1f , 0.1f , 0.1f , 0.1f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.7f , 0.7f , 0.7f , 0.7f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.9f , 0.9f , 0.9f , 0.9f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.75f , 0.75f , 0.75f , 0.75f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.0f , 0.0f , 0.0f , 0.0f } ,
{ 0.4f , 0.4f , 0.4f , 0.4f } ,
{ 0.8f , 0.8f , 0.8f , 0.8f }
} ;
return Color4f ( colorMap [ i ] [ 0 ] , colorMap [ i ] [ 1 ] , colorMap [ i ] [ 2 ] , colorMap [ i ] [ 3 ] ) ;
}
} ;
// /*! @} */
} //namespace io
} //namespace tri
2005-12-01 01:58:56 +01:00
} // namespace vcg
2004-11-17 11:13:48 +01:00
2005-01-26 23:44:51 +01:00
# endif //__VCGLIB_IMPORT_OFF