[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:

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;
 }
+