dxf :: dxf (string filename)
{
dxf_filename = filename;
writeFile.open(dxf_filename.c_str());
read_Header();
}
ReadResult read_GIF_Data_Stream(void *in_pStreamState,
ByteStreamInterface in_byteStreamReadInterface,
GIF_Data_Stream *in_pDataStream, void (*in_pfErrorHandler)(void *))
{
bool is89a;
SetjmpStreamState setjmpReadStreamState;
jmp_buf jmpBuf;
ByteStreamInterface setjmpReadStreamInterface;
int result;
uint8_t lIntroducer;
setjmpStreamInit(&setjmpReadStreamState, &jmpBuf, ReadResultPrematureEndOfStream,
in_pStreamState, in_byteStreamReadInterface);
setjmpReadStreamInterface = getSetjmpStreamByteStreamInterface(&setjmpReadStreamState);
in_pDataStream->logicalScreen.globalColorTable = NULL;
if ((result = setjmp(jmpBuf)) != 0)
{
if (in_pDataStream->logicalScreen.globalColorTable)
{
safe_free(&in_pDataStream->logicalScreen.globalColorTable);
}
return (ReadResult) result;
}
read_Header(&setjmpReadStreamState, setjmpReadStreamInterface,
&is89a, in_pfErrorHandler);
read_Logical_Screen(&setjmpReadStreamState, setjmpReadStreamInterface,
&in_pDataStream->logicalScreen, is89a, in_pfErrorHandler);
(*setjmpReadStreamInterface.mpfRead)(&setjmpReadStreamState, &lIntroducer, sizeof(lIntroducer));
while (GIF_TRAILER != lIntroducer)
{
read_Data(&setjmpReadStreamState, setjmpReadStreamInterface,
lIntroducer, is89a, &in_pDataStream->logicalScreen, in_pfErrorHandler);
(*setjmpReadStreamInterface.mpfRead)(&setjmpReadStreamState, &lIntroducer, sizeof(lIntroducer));
}
if (in_pDataStream->logicalScreen.globalColorTable)
{
safe_free(&in_pDataStream->logicalScreen.globalColorTable);
}
return ReadResultOK;
}
