wxPdfObject*
wxPdfParser::ParseObjectStream(wxPdfStream* objStm, int idx)
{
wxPdfObject* obj = NULL;
wxPdfNumber* firstNumber = (wxPdfNumber*) ResolveObject(objStm->Get(_T("/First")));
int first = firstNumber->GetInt();
if (objStm->GetBuffer() == NULL)
{
bool saveUseRawStream = m_useRawStream;
m_useRawStream = false;
GetStreamBytes(objStm);
m_useRawStream = saveUseRawStream;
}
bool saveEncrypted = m_encrypted;
m_encrypted = false;
wxPdfTokenizer* saveTokens = m_tokens;
wxMemoryInputStream objStream(*(objStm->GetBuffer()));
m_tokens = new wxPdfTokenizer(&objStream);
int address = 0;
bool ok = true;
if (!objStm->HasObjOffsets())
{
// Read object offsets
wxArrayInt* objOffsets = objStm->GetObjOffsets();
int objCount = idx + 1;
if (m_cacheObjects)
{
wxPdfNumber* objCountNumber = (wxPdfNumber*) ResolveObject(objStm->Get(_T("/N")));
objCount = objCountNumber->GetInt();
}
int offset;
int k;
for (k = 0; k < objCount; ++k)
{
ok = m_tokens->NextToken();
if (!ok)
break;
if (m_tokens->GetTokenType() != TOKEN_NUMBER)
{
ok = false;
break;
}
ok = m_tokens->NextToken();
if (!ok)
break;
if (m_tokens->GetTokenType() != TOKEN_NUMBER)
{
ok = false;
break;
}
offset = m_tokens->GetIntValue() + first;
if (m_cacheObjects)
{
objOffsets->Add(offset);
}
if (k == idx)
{
address = offset;
}
}
if (ok)
{
objStm->SetHasObjOffsets(m_cacheObjects);
}
}
else
{
address = objStm->GetObjOffset(idx);
ok = (address > 0);
}
if (ok)
{
m_tokens->Seek(address);
obj = ParseObject();
}
else
{
wxLogError(_T("wxPdfParser::ParseOneObjStm: Error reading ObjStm."));
}
delete m_tokens;
m_tokens = saveTokens;
m_encrypted = saveEncrypted;
return obj;
}
void Mesh_Obj::RawAttach()
{
if (this->is_Attached)
return;
else
this->is_Attached = true;
fstream fin(this->Dir, ios::in);
if (!fin.is_open())
{
fin.close();
cout << this->Dir << " :Obj Not Found!" << endl;
exit(1);
}
else
{
cout << this->Dir << " :Obj Loading Now!" << endl;
}
fin.seekg(0, ios::end);
size_t fileSize = fin.tellg();
fin.seekg(0);
string source;
source.assign(std::istreambuf_iterator<char>(fin), std::istreambuf_iterator<char>());
fin.close();
vector<vec3> VertexAttribTemp[texCoord + 1];
vector<GLuint> ElementArrayTemp;
set<Vertex> VertexBuffer;
set<Edge> EdgeTemp;
glGenVertexArrays(1, VAO);
glGenBuffers(4, VBO);
glBindVertexArray(VAO[0]);
stringstream objStream(source);
while (!objStream.eof())
{
string line;
getline(objStream, line);
stringstream lineStream(line);
char numb;
if (line.empty())
continue;
switch (line.at(0))
{
case 'v':
switch (line.at(1))
{
case ' ':
float CoordData[3];
lineStream >> numb >> CoordData[0] >> CoordData[1] >> CoordData[2];
VertexAttribTemp[Coord].push_back(vec3(CoordData[0], CoordData[1], CoordData[2]));
break;
case 'n':
float normalData[3];
lineStream >> numb >> numb >> normalData[0] >> normalData[1] >> normalData[2];
VertexAttribTemp[normalDir].push_back(vec3(normalData[0], normalData[1], normalData[2]));
break;
case 't':
float texCoordData[3];
char numb;
lineStream >> numb >> numb >> texCoordData[0] >> texCoordData[1] >> texCoordData[2];
VertexAttribTemp[texCoord].push_back(vec3(texCoordData[0], texCoordData[1], texCoordData[2]));
break;
default:
break;
}
break;
case 'f':
lineStream >> numb;
if (line.find("//") != line.npos)
{
for (int i = 0; i != 3; ++i)
{
unsigned PosTexNor[3];
lineStream >> PosTexNor[Coord] >> numb >> numb >> PosTexNor[normalDir];
for (int i = 0; i != 3; ++i)
{
PosTexNor[i]--;
}
ElementArrayTemp.push_back(PosTexNor[0]);
VertexBuffer.insert(Vertex(VertexAttribTemp[Coord].at(PosTexNor[Coord]), VertexAttribTemp[normalDir].at(PosTexNor[normalDir]), vec3(0, 0, 0), PosTexNor[0]));
}
}
else
{
for (int i = 0; i != 3; ++i)
{
unsigned PosTexNor[3];
lineStream >> PosTexNor[Coord] >> numb >> PosTexNor[texCoord] >> numb >> PosTexNor[normalDir];
for (int i = 0; i != 3; ++i)
{
PosTexNor[i]--;
}
ElementArrayTemp.push_back(PosTexNor[0]);
VertexBuffer.insert(Vertex(VertexAttribTemp[Coord].at(PosTexNor[Coord]), VertexAttribTemp[normalDir].at(PosTexNor[normalDir]), VertexAttribTemp[texCoord].at(PosTexNor[texCoord]), PosTexNor[0]));
}
}
break;
default:
break;
}
}
