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// File: Graphic3d_Texture1D.cxx
// Created: Mon Jul 28 17:51:26 1997
// Author: Pierre CHALAMET
// Modified 22-12-97 : FMN ; Ajout Modulate
// <pct@sgi93>
// Modified : GG 10/01/2000 IMP
// Adds Name(),NumberOfTextures() and TextureName() methods
#include <Graphic3d_Texture1D.ixx>
#include <stdlib.h>
#include <TCollection_AsciiString.hxx>
#include <OSD_Directory.hxx>
#include <OSD_File.hxx>
#include <OSD_Path.hxx>
static const char *NameOfTexture_to_FileName[] =
{
"1d_elevation.rgb"
};
static TCollection_AsciiString GetEnvir ( ) {
static Standard_Boolean IsDefined=Standard_False ;
static TCollection_AsciiString VarName;
if ( !IsDefined ) {
const char *envir, *casroot ;
envir = getenv("CSF_MDTVTexturesDirectory") ;
Standard_Boolean HasDefinition = Standard_False ;
if ( !envir ) {
casroot = getenv("CASROOT");
#ifdef OCE_INSTALL_DATA_DIR
if ( !casroot ) {
casroot = OCE_INSTALL_DATA_DIR;
}
#endif
if ( casroot ) {
VarName = TCollection_AsciiString (casroot);
VarName += "/src/Textures" ;
HasDefinition = Standard_True ;
}
} else {
VarName = TCollection_AsciiString (envir);
HasDefinition = Standard_True ;
}
if ( HasDefinition ) {
OSD_Path aPath ( VarName );
OSD_Directory aDir(aPath);
if ( aDir.Exists () ) {
TCollection_AsciiString aTexture = VarName + "/2d_MatraDatavision.rgb" ;
OSD_File TextureFile ( aTexture );
if ( !TextureFile.Exists() ) {
cout << " CSF_MDTVTexturesDirectory or CASROOT not correctly setted " << endl;
cout << " not all files are found in : "<<VarName.ToCString() << endl;
Standard_Failure::Raise ( "CSF_MDTVTexturesDirectory or CASROOT not correctly setted " );
}
} else {
cout << " CSF_MDTVTexturesDirectory or CASROOT not correctly setted " << endl;
cout << " Directory : "<< VarName.ToCString() << " not exist " << endl;
Standard_Failure::Raise ( "CSF_MDTVTexturesDirectory or CASROOT not correctly setted " );
}
return VarName ;
} else {
cout << " CSF_MDTVTexturesDirectory and CASROOT not setted " << endl;
cout << " one of these variable are mandatory to use this fonctionnality" << endl;
Standard_Failure::Raise ( "CSF_MDTVTexturesDirectory and CASROOT not setted " );
}
IsDefined = Standard_True ;
}
return VarName ;
}
Graphic3d_Texture1D::Graphic3d_Texture1D(const Handle(Graphic3d_StructureManager)& SM,const Standard_CString FileName,const Graphic3d_TypeOfTexture Type)
: Graphic3d_TextureMap(SM,"", FileName, Type),
myName(Graphic3d_NOT_1D_UNKNOWN)
{
}
Graphic3d_Texture1D::Graphic3d_Texture1D(const Handle(Graphic3d_StructureManager)& SM,const Graphic3d_NameOfTexture1D NOT, const Graphic3d_TypeOfTexture Type)
: Graphic3d_TextureMap(SM, GetEnvir().ToCString(), NameOfTexture_to_FileName[NOT], Type),
myName(NOT)
{
}
Graphic3d_NameOfTexture1D Graphic3d_Texture1D::Name() const {
return myName;
}
Standard_Integer Graphic3d_Texture1D::NumberOfTextures() {
return sizeof(NameOfTexture_to_FileName)/sizeof(char*);
}
Standard_CString Graphic3d_Texture1D::TextureName(const Standard_Integer aRank)
{
if( aRank < 1 || aRank > NumberOfTextures() )
Standard_OutOfRange::Raise(" BAD index of texture");
TCollection_AsciiString filename(NameOfTexture_to_FileName[aRank-1]);
Standard_Integer i = filename.SearchFromEnd(".");
static TCollection_AsciiString name;
name = filename.SubString(4,i-1);
return name.ToCString();
}
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