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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <string.h>
#include <stdlib.h>
#include <string.h>
#include "gif.h"
#include "H5IMpublic.h"
#define PAL_NAME "global"
/*-------------------------------------------------------------------------
* Function: WriteHDF
*
* Purpose: Write the GIF image with the HDF5 Image API
*
* Programmer: Unknown
*
* Date: January, 31, 2006
*
*-------------------------------------------------------------------------
*/
int
WriteHDF(GIFTOMEM GifMemoryStruct, char *HDFName)
{
GIFHEAD gifHead; /* GIF Header structure */
GIFIMAGEDESC *gifImageDesc; /* Logical Image Descriptor struct */
int has_pal = 0;
long ImageCount; /* number of images */
#ifdef UNUSED
long CommentCount, /* number of comments */
ApplicationCount, /* number of application extensions */
PlainTextCount; /* number of plain text extensions */
#endif /* UNUSED */
char ImageName[256]; /* Image name for the Image */
/* H5 variables */
hid_t file_id; /* H5 file id */
/* temp counter */
int i;
/* get the GIFMem stuff */
gifHead = *(GifMemoryStruct.GifHeader);
/* get some data from gifHead */
ImageCount = gifHead.ImageCount;
#ifdef UNUSED
CommentCount = (GIFWORD)gifHead.CommentCount;
ApplicationCount = (GIFWORD)gifHead.ApplicationCount;
PlainTextCount = (GIFWORD)gifHead.PlainTextCount;
#endif /* UNUSED */
if ((file_id = H5Fcreate(HDFName, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) {
/* error occurred opening the HDF File for write */
fprintf(stderr, "HDF file could not be opened for writing\n");
fprintf(stderr,
"NOTE: GIF file must be present in the same directory as the binary on UNIX systems.\n");
exit(1);
}
/* first create the global palette if there is one */
if (gifHead.PackedField & 0x80) { /* global palette exists */
hsize_t dims[2]; /* specify the dimensions of the palette */
/* size of the palette is tablesize (rows) X 3 (columns) */
dims[0] = gifHead.TableSize;
dims[1] = 3;
/* make a palette */
if (H5IMmake_palette(file_id, PAL_NAME, dims, (unsigned char *)gifHead.HDFPalette) < 0)
return -1;
has_pal = 1;
}
for (i = 0; i < ImageCount; i++) {
hsize_t dims[2]; /* dimensions for the dataset */
/* get the gifImageDesc */
gifImageDesc = GifMemoryStruct.GifImageDesc[i];
/* set the dimensions */
dims[0] = gifImageDesc->ImageHeight;
dims[1] = gifImageDesc->ImageWidth;
/* create the image name */
snprintf(ImageName, sizeof(ImageName), "Image%d", i);
/* write image */
if (H5IMmake_image_8bit(file_id, ImageName, dims[1], dims[0], (gifImageDesc->Image)) < 0)
return -1;
/* attach the palette to the image dataset */
if (has_pal) {
if (H5IMlink_palette(file_id, ImageName, PAL_NAME) < 0)
return -1;
}
}
/* close the H5 file */
if (H5Fclose(file_id) < 0) {
fprintf(stderr, "Could not close HDF5 file. Aborting...\n");
return -1;
}
return 0;
}
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