Utils/Libs/GinLib/ginio.cpp

@@ -0,0 +1,180 @@
+/*=========================================================================
+
+	FILENAME.CPP	
+
+	Author:  Gary Liddon @
+	Created:
+	Project:
+	Purpose:
+
+	Copyright (c) 1998 G R Liddon
+
+===========================================================================*/
+
+/*----------------------------------------------------------------------
+	Includes
+	-------- */
+
+/*	Std Lib
+	------- */
+
+/*	Glib
+	---- */
+
+/*	Local
+	----- */
+#include "ginio.h"
+
+
+/*----------------------------------------------------------------------
+	Tyepdefs && Defines
+	------------------- */
+using namespace std;
+
+/*----------------------------------------------------------------------
+	Structure defintions
+	-------------------- */
+
+
+/*----------------------------------------------------------------------
+	Function Prototypes
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Vars
+	---- */
+
+/*----------------------------------------------------------------------
+	Data
+	---- */
+vector<GinChunk *>	GinFile::ChunkHandlers;
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+GinChunk::GinChunk(void)
+{
+	Size=0;
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+GinChunk::~GinChunk(void)
+{
+	DumpData();
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void GinChunk::Load(Gifstream & In)
+{
+	Data.resize(Size);
+	In.read((char *)(&Data[0]),Size);
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void GinFile::AddHandler(GinChunk * New)
+{
+	ChunkHandlers.push_back(New);
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+GinChunk * GinFile::GetHandler(char const * Name)
+{
+	GString ChunkName(Name);
+
+	GinChunk * RetChunk;
+
+	RetChunk=NULL;
+
+	for (int f=0;f<ChunkHandlers.size() && !RetChunk;f++)
+		{
+		if (ChunkName==GString(ChunkHandlers[f]->GetName()))
+			RetChunk=ChunkHandlers[f]->MakeNew();
+		}
+
+
+	return(RetChunk);
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+bool GinFile::GinHdr::ReadHdr(Gifstream & In)
+{
+	vector<char>	Str;
+	bool				Done;
+	GString				RetStr;
+
+	Done=false;
+
+	Str.reserve(1000);
+	
+
+	while (In && !In.eof() && !Done)
+		{
+		char	c=In.get();
+		
+		if (!c)
+			Done=true;
+		
+		Str.push_back(c);
+		}
+
+	if (Done)
+		{
+		Name=&Str[0];
+		
+		In.Align(4);
+
+		if (In)
+			{
+			Size=In.Get32();
+			}
+		else
+			Done=false;
+		}
+
+
+	return(Done);
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void GinChunk::DumpData(void)
+{
+	Size=0;
+	Data.resize(0);
+}
+
+/*===========================================================================
+ end */