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authorPedro Vicente Nunes <pvn@hdfgroup.org>2006-02-06 16:11:48 (GMT)
committerPedro Vicente Nunes <pvn@hdfgroup.org>2006-02-06 16:11:48 (GMT)
commit35c1f3682e1f41c716ddc1c55ff66f33574b2460 (patch)
tree901bcb5dd8d4e67d06ee05e4d03ccaa1f80fc7f7 /hl/tools/gif2h5/writehdf.c
parent54956412967b86c64a58f775cf67573ca4a55bc1 (diff)
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[svn-r11918] Purpose:
bug fix , bugzilla bug #1 Description: the gif2h5 was not writing HDF5 images correctly Solution: use the Image API to write the image, rewrote the writing functionY Platforms tested: linux solaris Misc. update:
Diffstat (limited to 'hl/tools/gif2h5/writehdf.c')
-rw-r--r--hl/tools/gif2h5/writehdf.c354
1 files changed, 32 insertions, 322 deletions
diff --git a/hl/tools/gif2h5/writehdf.c b/hl/tools/gif2h5/writehdf.c
index 8d7405e..ee7998c 100644
--- a/hl/tools/gif2h5/writehdf.c
+++ b/hl/tools/gif2h5/writehdf.c
@@ -16,54 +16,23 @@
#include <string.h>
#include "gif.h"
-
-/*******************************************************************
- * Function: write_text_attribute
- * Use: Just a small wrapper to write text attributes easily
- *******************************************************************/
-static int write_text_attribute(hid_t dataset_id , const char *attr_name,
- const char *attr_value, const size_t attr_len)
-{
- /* variables for the attributes */
- hsize_t attr_size; /* dimensions for the attribute */
- hid_t attr_dataspace_id; /* dataspaces needed for the various attributes */
- hid_t attr_attr_id; /* attribute id */
- hid_t attr_type_id;
-
- /* check strings */
- if (!attr_name || !attr_value)
- return -1;
-
- /* figure out size of the data */
- attr_size = (hsize_t)attr_len;
-
- /* set the type to string */
- attr_type_id = H5Tcopy(H5T_C_S1);
- H5Tset_size(attr_type_id , (size_t)attr_size);
-
- /* create the dataspace for the attribute */
- attr_dataspace_id = H5Screate(H5S_SCALAR);
-
- /* create the attribute */
- attr_attr_id = H5Acreate(dataset_id , attr_name , attr_type_id ,
- attr_dataspace_id , H5P_DEFAULT);
-
- /* write out the attribute data */
- if (H5Awrite(attr_attr_id , attr_type_id , attr_value) < 0)
- return -1;
-
- /* close the attribute */
- if (H5Aclose(attr_attr_id) < 0)
- return -1;
-
- /* close the dataspace */
- if (H5Sclose(attr_dataspace_id) < 0) {
- fprintf(stderr , "Unable to close attribute dataspace. Aborting \n");
- return -1;
- }
-
- return 0;
-}
+#include "H5IM.h"
+
+
+/*-------------------------------------------------------------------------
+ * Function: WriteHDF
+ *
+ * Purpose: Write the GIF image with the HDF5 Image API
+ *
+ * Programmer: Unknown
+ *
+ * Modifications: pvn
+ * Use the HDF5 IMAGE API to write the HDF5 image and pallete
+ *
+ * Date: January, 31, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
int
WriteHDF(GIFTOMEM GifMemoryStruct, char *HDFName , char *GIFFileName)
@@ -78,14 +47,10 @@ WriteHDF(GIFTOMEM GifMemoryStruct, char *HDFName , char *GIFFileName)
PlainTextCount; /* number of plain text extensions */
#endif /* UNUSED */
- char ImageName[256]; /* Image name for the GR Image */
- char GroupName[VSNAMELENMAX]; /* so that we can name the subgroups appropriately */
+ char ImageName[256]; /* Image name for the Image */
/* H5 variables */
hid_t file_id; /* H5 file id */
- hid_t image_id; /* H5 id for the whole image */
- hid_t pal_id; /* H5 id for the palette */
- hobj_ref_t pal_ref; /* Create a reference for the palette */
/* temp counter */
int i;
@@ -101,16 +66,6 @@ WriteHDF(GIFTOMEM GifMemoryStruct, char *HDFName , char *GIFFileName)
PlainTextCount = (WORD)gifHead.PlainTextCount;
#endif /* UNUSED */
- /* get the main group name from GIFFileName */
- GroupName[0]= '/';
-
- if (strncpy(GroupName , GIFFileName , VSNAMELENMAX-2) == NULL) {
- fprintf(stderr , "strncpy failed\n");
- exit(1);
- }
-
- GroupName[VSNAMELENMAX - 1] = '\0';
-
if ((file_id = H5Fcreate(HDFName , H5F_ACC_TRUNC , H5P_DEFAULT , H5P_DEFAULT)) < 0) {
/* error occured opening the HDF File for write */
fprintf(stderr , "HDF file could not be opened for writing\n");
@@ -118,126 +73,23 @@ WriteHDF(GIFTOMEM GifMemoryStruct, char *HDFName , char *GIFFileName)
exit(1);
}
- /* create a group within the root group to hold the gif image */
- /* might want to make a different naming style out here */
- image_id = H5Gcreate(file_id, GroupName , 0);
-
/* first create the global palette if there is one */
if (gifHead.PackedField & 0x80) { /* global palette exists */
- hid_t dataspace_id; /* identifier for dataspace */
hsize_t dims[2]; /* specify the dimensions of the palette */
hsize_t dimsr[1] = {1}; /* needed to store reference */
- hid_t ref_dataspace_id; /* dataspace id for references */
- hid_t ref_dataset_id; /* dataset id for references */
/* size of the palette is tablesize (rows) X 3 (columns) */
dims[0] = gifHead.TableSize;
dims[1] = 3;
-
- /* create the dataspace */
- if ((dataspace_id = H5Screate_simple(2 , dims , NULL)) < 0) {
- fprintf(stderr , "Could not create dataspace for palette. Aborting...\n");
- return -1;
- }
-
- /* create the palette dataset */
- if ((pal_id = H5Dcreate(image_id , "Global Palette" , H5T_NATIVE_UINT8 , dataspace_id , H5P_DEFAULT )) < 0) {
- fprintf(stderr , "Could not create palette dataset. Aborting...\n");
- return -1;
- }
-
- /* write the palette data out */
- /****** Ask Elena about VOIDP ******/
- if (H5Dwrite(pal_id , H5T_NATIVE_UINT8 , H5S_ALL , H5S_ALL , H5P_DEFAULT , (void *)gifHead.HDFPalette) < 0) {
- fprintf(stderr , "Error writing dataset. Aborting...\n");
- return -1;
- }
-
- /* set palette attributes */
-
- /* attribute CLASS = PALETTE */
- if ((write_text_attribute(pal_id , "CLASS" , "PALETTE",strlen("PALETTE"))) < 0) {
- fprintf(stderr , "Unable to write palette attributes. Aborting\n");
- return -1;
- }
-
- /* attribute PAL_COLORMODEL = RGB */
- if ((write_text_attribute(pal_id , "PAL_COLORMODEL" , "RGB",strlen("RGB"))) < 0) {
- fprintf(stderr , "Unable to write palette attributes. Aborting\n");
- return -1;
- }
-
- /* attribute PAL_TYPE = STANDARD8 */
- if ((write_text_attribute(pal_id , "PAL_TYPE" , "STANDARD8",strlen("STANDARD8"))) < 0) {
- fprintf(stderr , "Unable to write palette attributes. Aborting\n");
- return -1;
- }
-
- /* attribute PAL_VERSION = 1.0 */
- if ((write_text_attribute(pal_id , "PAL_VERSION" , "1.0",strlen("1.0"))) < 0) {
- fprintf(stderr , "Unable to write palette attributes. Aborting\n");
- return -1;
- }
-
- /* create dataspace for the dataset to store references */
- ref_dataspace_id = H5Screate_simple(1 , dimsr , NULL);
-
- /* create a dataset to store the references */
- ref_dataset_id = H5Dcreate(image_id , "Palette Reference" , H5T_STD_REF_OBJ , ref_dataspace_id , H5P_DEFAULT);
-
- /* create a reference to the palette */
- if (H5Rcreate(&pal_ref , image_id , "Global Palette" , H5R_OBJECT , -1) < 0) {
- fprintf(stderr , "Unable to create palette reference\n");
- return -1;
- }
-
- /* write the reference out */
- if (H5Dwrite(ref_dataset_id , H5T_STD_REF_OBJ, H5S_ALL, H5S_ALL , H5P_DEFAULT, &pal_ref) < 0) {
- fprintf(stderr , "Unable to write Palette Reference");
- return -1;
- }
-
- /* close dataset */
- if (H5Dclose(ref_dataset_id) < 0) {
- fprintf(stderr , "Unable to close palette dataset.\n");
- return -1;
- }
-
- /* close dataspace */
- if (H5Sclose(ref_dataspace_id) < 0) {
- fprintf(stderr , "Unable to close palette dataspace.\n");
- return -1;
- }
-
- /* close everything */
- if (H5Dclose(pal_id) < 0) {
- fprintf(stderr , "Unable to close palette dataset. Aborting.\n");
- return -1;
- }
-
- if (H5Sclose(dataspace_id) < 0) {
- fprintf(stderr , "Unable to close palette dataspace. Aborting.\n");
- return -1;
- }
+
+ /* make a palette */
+ if (H5IMmake_palette(file_id,"Global Palette",dims,(unsigned char *)gifHead.HDFPalette)<0)
+ return -1;
}
for(i = 0; i < ImageCount; i++) {
- /* variables for the images */
hsize_t dims[2]; /* dimensions for the dataset */
- hid_t dataspace_id; /* identifier for the dataspace */
- hid_t sub_image_id; /* wierd name to distinguish from the group_id */
-
- /* variables for the attributes */
- hsize_t attr_dims[2]; /* dimensions for the attribute */
- hid_t attr_dataspace_id;/* dataspaces needed for the various attributes */
- hid_t attr_attr_id; /* attribute id */
- BYTE minmax[2]; /* lower and upper minmax values */
-
- /* initialise minmax */
- minmax[0] = 0 ;
- minmax[1] = 255;
-
/* get the gifImageDesc */
gifImageDesc = GifMemoryStruct.GifImageDesc[i];
@@ -245,162 +97,19 @@ WriteHDF(GIFTOMEM GifMemoryStruct, char *HDFName , char *GIFFileName)
dims[0] = gifImageDesc->ImageHeight;
dims[1] = gifImageDesc->ImageWidth;
- /* create the empty dataspace */
- if ((dataspace_id = H5Screate_simple(2 , dims , NULL)) < 0) {
- fprintf(stderr , "Could not create image dataspace. Aborting\n");
- return -1;
- }
-
+
/* create the image name */
sprintf(ImageName , "Image%d" , i);
-
- /* create the image data set */
- if ((sub_image_id = H5Dcreate(image_id , ImageName , H5T_NATIVE_UINT8 , dataspace_id , H5P_DEFAULT)) < 0) {
- fprintf(stderr , "Could not create dataset for image. Aborting... \n");
- return -1;
- }
-
- /* write out the image */
- /****** Ask Elena about VOIDP ******/
- if (H5Dwrite(sub_image_id , H5T_NATIVE_UINT8 , H5S_ALL , H5S_ALL , H5P_DEFAULT , (void *)(gifImageDesc->Image)) < 0) {
- fprintf(stderr , "Error writing image. Aborting... \n");
- return -1;
- }
-
- /* set the attributes */
- /* This info is available at http://hdf.ncsa.uiuc.edu/HDF5/doc/ImageSpec.html */
- /* The following attributes must be set for each image:
- ** ---------------------------------------
- ** Attribute Name Value
- ** CLASS IMAGE
- ** IMAGE_VERSION 1.0
- ** IMAGE_SUBCLASS IMAGE_BITMAP
- ** PALETTE ref. to palette datasets
- ** IMAGE_MINMAXRANGE [0,255]
- ** ---------------------------------------
- */
-
- /****************************************
- ** Attribute: CLASS
- ** Value : IMAGE
- *****************************************/
-
- if (write_text_attribute(sub_image_id , "CLASS" , "IMAGE",strlen("IMAGE")) < 0) {
- fprintf(stderr , "Unable to write CLASS = IMAGE attribute\n");
- return -1;
- }
-
- /****************************************
- ** Attribute: IMAGE_VERSION
- ** Value : 1.0
- *****************************************/
-
- if (write_text_attribute(sub_image_id , "IMAGE_VERSION" , "1.0",strlen("1.0")) < 0) {
- fprintf(stderr , "Unable to write IMAGE_VERSION attribute\n");
- return -1;
- }
-
- /****************************************
- ** Attribute: IMAGE_SUBCLASS
- ** Value : IMAGE_BITMAP
- *****************************************/
-
- if (write_text_attribute(sub_image_id , "IMAGE_SUBCLASS" , "IMAGE_BITMAP", strlen("IMAGE_BITMAP")) < 0) {
- fprintf(stderr , "Unable to write IMAGE_SUBCLASS attribute\n");
- return -1;
- }
-
- /****************************************
- ** Attribute: IMAGE_COLORMODEL
- ** Value : RGB
- *****************************************/
-
- if (write_text_attribute(sub_image_id , "IMAGE_COLORMODEL" , "RGB", strlen("RGB")) < 0) {
- fprintf(stderr , "Unable to write IMAGE_SUBCLASS attribute\n");
- return -1;
- }
-
- /****************************************
- ** Attribute: PALETTE
- ** Value : Reference to Palette
- *****************************************/
-
- /**** MAKE SURE PALETTE EXISTS!!! ****/
- if (gifHead.PackedField & 0x80) {
- /* global palette exists */
- attr_dims[0] = 1;
-
- /* create the dataspace for the attribute */
- attr_dataspace_id = H5Screate_simple(1 , attr_dims , NULL);
-
- /* create the attribute */
- attr_attr_id = H5Acreate(sub_image_id , "PALETTE" , H5T_STD_REF_OBJ , attr_dataspace_id , H5P_DEFAULT);
-
- if (H5Awrite(attr_attr_id , H5T_STD_REF_OBJ , &pal_ref) < 0) {
- fprintf(stderr , "Unable to write attribute. Aborting \n");
- return -1;
- }
-
- /* close the attribute */
- if (H5Aclose(attr_attr_id) < 0) {
- fprintf(stderr , "Unable to close CLASS IMAGE attribute. Aborting.\n");
- return -1;
- }
-
- /* close the dataspace */
- if (H5Sclose(attr_dataspace_id) < 0) {
- fprintf(stderr , "Unable to close attribute dataspace. Aborting \n");
- return -1;
- }
- }
-
- /****************************************
- ** Attribute: IMAGE_MINMAXRANGE
- ** Value : minmax
- *****************************************/
-
- attr_dims[0] = 2;
-
- /* create the dataspace for the attribute */
- attr_dataspace_id = H5Screate_simple(1 , attr_dims , NULL);
-
- /* create the attribute */
- attr_attr_id = H5Acreate(sub_image_id , "IMAGE_MINMAXRANGE" , H5T_NATIVE_UINT8 , attr_dataspace_id , H5P_DEFAULT);
-
- if (H5Awrite(attr_attr_id , H5T_NATIVE_UINT8 , minmax) < 0) {
- fprintf(stderr , "Unable to write attribute. Aborting \n");
- return -1;
- }
-
- /* close the attribute */
- if (H5Aclose(attr_attr_id) < 0) {
- fprintf(stderr , "Unable to close CLASS IMAGE attribute. Aborting.\n");
- return -1;
- }
-
- /* close the dataspace */
- if (H5Sclose(attr_dataspace_id) < 0) {
- fprintf(stderr , "Unable to close attribute dataspace. Aborting \n");
- return -1;
- }
-
- /* close everything */
- if (H5Dclose(sub_image_id) < 0) {
- fprintf(stderr , "Unable to close image dataset. Aborting \n");
- return -1;
- }
-
- if (H5Sclose(dataspace_id) < 0) {
- fprintf(stderr , "Unable to close image dataspace. Aborting \n");
- return -1;
- }
+
+ /* 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 (H5IMlink_palette(file_id,ImageName,"Global Palette")<0)
+ return -1;
}
- /* close the main image group */
- if (H5Gclose(image_id) < 0) {
- fprintf(stderr , "Could not close the image group. Aborting...\n");
- return -1;
- }
/* close the H5 file */
if (H5Fclose(file_id) < 0) {
@@ -410,3 +119,4 @@ WriteHDF(GIFTOMEM GifMemoryStruct, char *HDFName , char *GIFFileName)
return 0;
}
+