[svn-r3921]

Purpose:
    Fooling around
Description:
    Added deleted gif.h file

1 files changed, 179 insertions, 0 deletions

diff --git a/hl/tools/gif2h5/gif.h b/hl/tools/gif2h5/gif.h
new file mode 100644
index 0000000..f697881
--- /dev/null
+++ b/hl/tools/gif2h5/gif.h
@@ -0,0 +1,179 @@
+/****************************************************************************\
+**  Title:       GIF.H                                                      **
+**  Purpose:     GIF Header file                                            **
+\****************************************************************************/
+
+#ifndef GIF_H
+#define GIF_H   1
+
+#include <hdf5.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#define MAX_PAL 768
+
+/*#include "datatype.h"         Data type definitions */
+
+/* set the name length restriction to 64 charachters */
+#define VSNAMELENMAX 64 /* this is a carryover from HDF4 */
+
+/* typedef H5T_NATIVE_UINT8  BYTE; */
+typedef unsigned char BYTE;
+
+/* typedef H5T_NATIVE_UINT16  WORD; */
+typedef unsigned long WORD;
+
+typedef char   CHAR;
+typedef unsigned char  boolean;
+
+#define false 0;
+#define true 1;
+
+/* Set the EndianOrder.
+** The GIF Reader file should do this.
+** Set EndianOrder = 0 if machine is little endian
+**     EndianOrder = 1 if machine is big endian.
+*/
+extern int  EndianOrder;	
+                                                            
+/*
+**  The GIF header format.
+**
+**  This structure actually contains the header, logical screen
+**  descriptor, and the global color table for the GIF image.
+*/
+typedef struct _GifHeader       /* Offset   Description            */
+{
+    BYTE        PackedField;    /*  0Ah     Color Information      */
+	WORD		TableSize;
+	BYTE        ImageCount;     /*  Keep a count of the number of images	*/
+	BYTE		CommentCount;
+	BYTE		ApplicationCount;
+	BYTE		PlainTextCount;
+	BYTE		HDFPalette[256][3];
+	BYTE		HeaderDump[6];	/*	BYTE array to dump header contents		*/	
+	BYTE		LSDDump[7];		/*	Logical Screen Descriptor dump			*/
+} GIFHEAD;                      
+
+
+/*
+**  The GIF Image Descriptor.
+*/
+typedef struct _GifImageDescriptor
+{
+    WORD        ImageWidth;         /* Width of the image in pixels           */
+    WORD        ImageHeight;        /* Height of the image in pixels          */
+    BYTE        PackedField;        /* Image and Color Table Data Information */
+	WORD		TableSize;
+	WORD		CodeSize;			/* Minimum LZW CodeSize for image data    */
+	BYTE		HDFPalette[256][3];
+	BYTE		GIDDump[9];			/* GifImageDescriptor dump				  */
+
+	BYTE		*Image;				/* Decompressed Raster Image			  */
+	BYTE 	    *GIFImage;
+} GIFIMAGEDESC;
+
+
+/*
+**  GIF 89a Graphic Control Extension Block
+*/
+typedef struct _GifGraphicControlExtension
+{
+	BYTE	GCEDump[5];			/* Graphic Control Extension Dump		*/
+} GIFGRAPHICCONTROL;
+
+
+/*
+**  GIF 89a Plain Text Extension Block
+*/
+typedef struct _GifPlainTextExtension
+{
+	BYTE	PTEDump[15];		/* Plain Text Extension Dump			*/
+    BYTE   *PlainTextData;      /* Plain Text data sub-blocks           */
+	WORD	DataSize;
+} GIFPLAINTEXT;
+
+
+/*
+**  GIF 89a Application Extension Block
+*/
+typedef struct _GifApplicationExtension
+{
+	BYTE	AEDump[14];			/* Application Extension Dump			*/
+    BYTE   *ApplicationData;    /* Application data sub-blocks          */
+	WORD	DataSize;
+} GIFAPPLICATION;
+
+/*
+**  GIF 89a Comment Extension Block
+*/
+typedef struct _GifCommentExtension
+{
+	BYTE	CEDump[2];			/* Comment Extension Dump				*/
+    BYTE   *CommentData;        /* Comment data sub-blocks              */
+	WORD	DataSize;
+    BYTE    Terminator;         /* Block Terminator (always 0)          */
+} GIFCOMMENT;
+
+/*
+** GIF to HDF Memory Struct
+** Purpose : The gif to hdf structure is used to pass all the 
+**           gif data to the memory, which gets caught by the hdf driver
+**           Its the drivers job to put the data in the appropriate places 
+**           in the HDF file.
+**           I have assumed that the ImageDescriptors and GraphicControls follow
+**           one another, ie. I have not associated them with each other. The driver
+**           must assume a 1-1 correspondance. The same discussion with plain text
+**           extension.
+*/
+typedef struct _GifToMem
+{
+	GIFHEAD            *GifHeader;
+	GIFIMAGEDESC      **GifImageDesc;
+	GIFGRAPHICCONTROL **GifGraphicControlExtension;
+	GIFPLAINTEXT      **GifPlainTextExtension;
+	GIFAPPLICATION    **GifApplicationExtension;
+	GIFCOMMENT        **GifCommentExtension;
+} GIFTOMEM;
+
+
+/*
+**  Function Prototypes
+*/
+/* GIF2MEM.C */
+GIFTOMEM Gif2Mem(BYTE *);
+
+/* GIFREAD.C */
+int ReadGifHeader(GIFHEAD *, BYTE **);
+int ReadGifImageDesc(GIFIMAGEDESC *, BYTE **);
+int ReadGifGraphicControl(GIFGRAPHICCONTROL *, BYTE **);
+int ReadGifPlainText(GIFPLAINTEXT *, BYTE **);
+int ReadGifApplication(GIFAPPLICATION *, BYTE **);
+int ReadGifComment(GIFCOMMENT *, BYTE **);
+
+/* WRITEHDF.C */
+int WriteHDF(GIFTOMEM , CHAR * , CHAR *);
+
+/* Function :	ReadHDF
+** Return:		0 on completion without error, -1 on error
+** Input:		CHAR *h5_file - HDF file name
+**				CHAR *dset_name - Name of the HDF Image dataset
+**				CHAR *pal_name - Name of the HDF palette
+** Output	:	BYTE* data - the HDF Image to be converted
+**				BYTE  palette[256][3] - the corresponding palette
+**				hsize_t* image_size - the size of each dimension of the image
+**
+*/
+int ReadHDF(BYTE** data , BYTE palette[256][3] , hsize_t *image_size , CHAR *h5_file , CHAR *dset_name , CHAR *pal_name);
+
+BYTE *ReadDataSubBlocks(BYTE ** , WORD *);
+BYTE *Decompress (GIFIMAGEDESC * , GIFHEAD *);
+BYTE GetByte(BYTE *);
+WORD GetWord(BYTE *);
+
+void cleanup(BYTE*);
+#endif  /* GIF_H */
+