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added GetHeader

This commit is contained in:
ganovelli 2007-02-21 10:16:49 +00:00
parent 50ed5305a4
commit 5a2dccac0b
1 changed files with 36 additions and 16 deletions
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52
wrap/io_trimesh/import_vmi.h
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@ -25,6 +25,9 @@
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$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.1 2007/02/14 01:20:37 ganovelli
working draft of VCG Mesh Image importer and exporter. Does not consider optional attributes. The mesh atributes are only vn and fn (no bbox, texture coordiantes)
****************************************************************************/ ****************************************************************************/
@ -51,20 +54,10 @@ namespace io {
typedef typename OpenMeshType::VertexIterator VertexIterator; typedef typename OpenMeshType::VertexIterator VertexIterator;
typedef typename OpenMeshType::VertexType VertexType; typedef typename OpenMeshType::VertexType VertexType;
static bool Open(OpenMeshType &m,char * filename){ static bool GetHeader(FILE * f,std::vector<std::string>& fnameV, std::vector<std::string>& fnameF, int & vertSize, int &faceSize){
int i;
OpenMeshType::FaceIterator fi;
OpenMeshType::VertexIterator vi;
FILE * f = fopen(filename,"rb");
std::vector<string> nameF,nameV,fnameF,fnameV;
int nameFsize,nameVsize,vertSize,faceSize;
OpenMeshType::FaceType::Name(nameF);
OpenMeshType::VertexType::Name(nameV);
/* read header */
char name[100]; char name[100];
char buf[4096]; char buf[4096];
int nameFsize,nameVsize,i;
fgets(buf,4096,f); fgets(buf,4096,f);
sscanf(buf,"%s %d",&name[0],&nameFsize); sscanf(buf,"%s %d",&name[0],&nameFsize);
for(i=0; i < nameFsize; ++i) { for(i=0; i < nameFsize; ++i) {
@ -83,6 +76,28 @@ namespace io {
sscanf(buf,"%s %d",&name[0],&vertSize); sscanf(buf,"%s %d",&name[0],&vertSize);
fgets(buf,4096,f); fgets(buf,4096,f);
assert(strstr(buf,"end_header")!=NULL); assert(strstr(buf,"end_header")!=NULL);
return true;
}
static bool GetHeader(char * filename,std::vector<std::string>& nameV, std::vector<std::string>& nameF, int & vertSize, int &faceSize){
FILE * f = fopen(filename,"rb");
return GetHeader(f,nameV, nameF, vertSize, faceSize);
fclose(f);
}
static bool Open(OpenMeshType &m,char * filename){
int i;
OpenMeshType::FaceIterator fi;
OpenMeshType::VertexIterator vi;
FILE * f = fopen(filename,"rb");
std::vector<string> nameF,nameV,fnameF,fnameV;
int vertSize,faceSize;
/* read the header */
GetHeader(f,fnameV, fnameF, vertSize, faceSize);
/* read the mesh type */
OpenMeshType::FaceType::Name(nameF);
OpenMeshType::VertexType::Name(nameV);
/* check if the type is the very same, otherwise return */ /* check if the type is the very same, otherwise return */
if(fnameV != nameV) return false; if(fnameV != nameV) return false;
@ -96,20 +111,25 @@ namespace io {
fread(&offsetF,sizeof( int),1,f); fread(&offsetF,sizeof( int),1,f);
/* read the object mesh */ /* read the object mesh */
fread(&m.vn,sizeof(int),1,f); fread(&m,sizeof(OpenMeshType),1,f);
fread(&m.fn,sizeof(int),1,f);
/* overwrite che container because they could be inconsistent */
OpenMeshType::VertContainer tvc;
OpenMeshType::FaceContainer tfc;
memcpy(&m.vert,&tvc,sizeof(OpenMeshType::VertContainer));
memcpy(&m.face,&tfc,sizeof(OpenMeshType::FaceContainer));
m.vert.resize(vertSize); m.vert.resize(vertSize);
int read; int read;
/* load the vertices */ /* load the vertices */
read=fread((void*)& m.vert[0],sizeof(OpenMeshType::VertexType)*vertSize,1,f); read=fread((void*)& m.vert[0],sizeof(OpenMeshType::VertexType),vertSize,f);
assert(ferror(f)==0); assert(ferror(f)==0);
assert(read==vertSize); assert(read==vertSize);
m.face.resize(faceSize); m.face.resize(faceSize);
/* load the faces */ /* load the faces */
read = fread((void*)& m.face[0],sizeof(OpenMeshType::FaceType)*faceSize,1,f); read = fread((void*)& m.face[0],sizeof(OpenMeshType::FaceType),faceSize,f);
assert(ferror(f)==0); assert(ferror(f)==0);
assert(!feof(f)); assert(!feof(f));
assert(read==faceSize); assert(read==faceSize);