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