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-rw-r--r--hl/test/test_image.c183
1 files changed, 89 insertions, 94 deletions
diff --git a/hl/test/test_image.c b/hl/test/test_image.c
index db2b5c6..c7176d9 100644
--- a/hl/test/test_image.c
+++ b/hl/test/test_image.c
@@ -11,8 +11,6 @@
* *
****************************************************************************/
-
-
#include "H5IM.h"
#include "pal_rgb.h"
#include <stdlib.h>
@@ -40,7 +38,7 @@
/* struct to store RGB values read from a .pal file */
typedef struct rgb_t {
- unsigned char r;
+ unsigned char r;
unsigned char g;
unsigned char b;
} rgb_t;
@@ -52,11 +50,9 @@ static int test_generate(void);
static int read_data(const char* file_name, hsize_t *width, hsize_t *height );
static int read_palette(const char* file_name, rgb_t *palette, int palette_size);
-
/* globals */
unsigned char *image_data = NULL;
-
/*-------------------------------------------------------------------------
* the main program
*-------------------------------------------------------------------------
@@ -317,7 +313,7 @@ static int test_data(void)
hsize_t width;
hsize_t height;
unsigned char pal[256*3]; /* buffer to hold an HDF5 palette */
- rgb_t rgb[256]; /* buffer to hold a .pal file palette */
+ rgb_t rgb[256]; /* buffer to hold a .pal file palette */
int i, n;
/* create a file using default properties */
@@ -369,23 +365,23 @@ static int test_data(void)
*-------------------------------------------------------------------------
*/
- /* read a PAL file */
+ /* read a PAL file */
if (read_palette(PAL2_FILE, rgb, sizeof(rgb))<0)
goto out;
- /* transfer to the HDF5 buffer */
- for ( i=0, n=0; i<256*3; i+=3, n++)
- {
- pal[i] =rgb[n].r;
- pal[i+1]=rgb[n].g;
- pal[i+2]=rgb[n].b;
- }
+ /* transfer to the HDF5 buffer */
+ for ( i=0, n=0; i<256*3; i+=3, n++)
+ {
+ pal[i] =rgb[n].r;
+ pal[i+1]=rgb[n].g;
+ pal[i+2]=rgb[n].b;
+ }
- /* make a palette */
+ /* make a palette */
if (H5IMmake_palette(fid,PAL2_NAME,pal_dims,pal)<0)
goto out;
- /* attach the palette to the image dataset */
+ /* attach the palette to the image dataset */
if (H5IMlink_palette(fid,IMAGE1_NAME,PAL2_NAME)<0)
goto out;
@@ -395,24 +391,24 @@ static int test_data(void)
*-------------------------------------------------------------------------
*/
-
- /* read a PAL file */
+
+ /* read a PAL file */
if (read_palette(PAL3_FILE, rgb, sizeof(rgb))<0)
goto out;
- /* transfer to the HDF5 buffer */
- for ( i=0, n=0; i<256*3; i+=3, n++)
- {
- pal[i] =rgb[n].r;
- pal[i+1]=rgb[n].g;
- pal[i+2]=rgb[n].b;
- }
+ /* transfer to the HDF5 buffer */
+ for ( i=0, n=0; i<256*3; i+=3, n++)
+ {
+ pal[i] =rgb[n].r;
+ pal[i+1]=rgb[n].g;
+ pal[i+2]=rgb[n].b;
+ }
- /* make a palette */
+ /* make a palette */
if (H5IMmake_palette(fid,PAL3_NAME,pal_dims,pal)<0)
goto out;
- /* attach the palette to the image dataset */
+ /* attach the palette to the image dataset */
if (H5IMlink_palette(fid,IMAGE1_NAME,PAL3_NAME)<0)
goto out;
@@ -651,7 +647,7 @@ static int test_generate(void)
if ((H5IMmake_palette(fid,PAL1_NAME,pal_dims,pal_rgb))<0)
goto out;
- /* Attach the palette to the image datasets */
+ /* attach the palette to the image datasets */
if ((H5IMlink_palette(fid,"All data",PAL1_NAME))<0)
goto out;
if ((H5IMlink_palette(fid,"Land data",PAL1_NAME))<0)
@@ -770,13 +766,10 @@ static int read_data( const char* fname, /*IN*/
* Read an ASCII palette file .PAL into an array
* the files have a header of the type
*
- * Parameters: filename - name of file to read.
- * palette - array of RwPalleteEntry to store the
- * read palette.
- * palette_size - number of elements in 'palette' array
- *
- * Return Value: Returns number of entries read or 0 on error
- * palette contains palette.
+ * Parameters:
+ * fname - name of file to read.
+ * palette - array of rgb_t to store the read palette.
+ * palette_size - number of elements in 'palette' array
*
*-------------------------------------------------------------------------
*/
@@ -787,15 +780,17 @@ static int read_data( const char* fname, /*IN*/
#define STRING_CWPAL "CWPAL"
#define VERSION_CWPAL "100"
-static int read_palette(const char* fname, rgb_t *palette, int palette_size)
+static int read_palette(const char* fname,
+ rgb_t *palette,
+ int palette_size)
{
- FILE *file;
+ FILE *file;
char buffer[80];
int i;
unsigned int red;
unsigned int green;
unsigned int blue;
- int numEntries;
+ int nentries;
char *srcdir = getenv("srcdir"); /* the source directory */
char data_file[512]; /* buffer to hold name of existing data file */
@@ -810,98 +805,98 @@ static int read_palette(const char* fname, rgb_t *palette, int palette_size)
strcat(data_file, "/");
}
strcat(data_file,fname);
-
+
/* ensure the given palette is valid */
if (!palette)
- return -1;
-
+ return -1;
+
/* open the input file */
- if (!(file = fopen(data_file, "r")))
+ if (!(file = fopen(data_file, "r")))
{
printf( "Could not open file %s. Try set $srcdir \n", data_file );
return -1;
}
-
+
/* read the file ident string */
- if (fgets(buffer, sizeof(buffer), file) == NULL)
- {
- fclose(file);
- return -1;
- }
-
+ if (fgets(buffer, sizeof(buffer), file) == NULL)
+ {
+ fclose(file);
+ return -1;
+ }
+
/* ensure it matches the palette file ident string */
if ( strncmp(buffer, STRING_JASC, sizeof(STRING_JASC) - 1) != 0 &&
- strncmp(buffer, STRING_CWPAL, sizeof(STRING_CWPAL) - 1) != 0 )
- {
- fclose(file);
+ strncmp(buffer, STRING_CWPAL, sizeof(STRING_CWPAL) - 1) != 0 )
+ {
+ fclose(file);
return -1;
}
-
- /* read the version string */
- if (fgets(buffer, sizeof(buffer), file) == NULL)
+
+ /* read the version string */
+ if (fgets(buffer, sizeof(buffer), file) == NULL)
{
- fclose(file);
+ fclose(file);
return -1;
}
-
+
/* ensure it matches the palette file version string */
- if ( strncmp(buffer, VERSION_JASC, sizeof(VERSION_JASC) - 1) != 0 &&
- strncmp(buffer, VERSION_CWPAL, sizeof(VERSION_CWPAL) - 1) != 0 )
+ if ( strncmp(buffer, VERSION_JASC, sizeof(VERSION_JASC) - 1) != 0 &&
+ strncmp(buffer, VERSION_CWPAL, sizeof(VERSION_CWPAL) - 1) != 0 )
{
- fclose(file);
+ fclose(file);
return -1;
}
- /* read the number of colors */
+ /* read the number of colors */
if (fgets(buffer, sizeof(buffer), file) == NULL)
{
- fclose(file);
+ fclose(file);
return -1;
}
-
-
+
+
/* extract the number of colors.
- check for missing version or number of colors
- in this case it reads the first entry
+ check for missing version or number of colors
+ in this case it reads the first entry
*/
- if ( strlen( buffer ) > 4 )
+ if ( strlen( buffer ) > 4 )
{
- fclose(file);
+ fclose(file);
return -1;
}
-
- if (sscanf(buffer, "%d", &numEntries) != 1)
+
+ if (sscanf(buffer, "%d", &nentries) != 1)
{
- fclose(file);
+ fclose(file);
return -1;
}
-
- /* ensure there are a sensible number of colors in the palette */
- if ((numEntries < 0) || (numEntries > 256) || (numEntries > palette_size))
+
+ /* ensure there are a sensible number of colors in the palette */
+ if ((nentries < 0) || (nentries > 256) || (nentries > palette_size))
{
- fclose(file);
- return(0);
+ fclose(file);
+ return(-1);
+ }
+
+ /* read the palette entries */
+ for (i = 0; i < nentries; i++)
+ {
+ /* extract the red, green and blue color components. */
+ if (fscanf(file, "%u %u %u", &red, &green, &blue) != 3)
+ {
+ fclose(file);
+ return -1;
+ }
+ /* store this palette entry */
+ palette[i].r = (unsigned char)red;
+ palette[i].g = (unsigned char)green;
+ palette[i].b = (unsigned char)blue;
}
-
- /* read the palette entries */
- for (i = 0; i < numEntries; i++)
- {
- /* Extract the red, green and blue color components. */
- if (fscanf(file, "%u %u %u", &red, &green, &blue) != 3)
- {
- fclose(file);
- return -1;
- }
- /* sore this palette entry */
- palette[i].r = (unsigned char)red;
- palette[i].g = (unsigned char)green;
- palette[i].b = (unsigned char)blue;
- }
/* close file */
- fclose(file);
-
- return numEntries;
+ fclose(file);
+
+ return nentries;
}
generated by cgit v0.12 at 2024-10-31 01:39:15 (GMT)