diff options
Diffstat (limited to 'hl/test')
| -rw-r--r-- | hl/test/pal_rgb.h | 2 | ||||
| -rw-r--r-- | hl/test/test_image.c | 95 |
2 files changed, 71 insertions, 26 deletions
diff --git a/hl/test/pal_rgb.h b/hl/test/pal_rgb.h index 0b75284..4b66220 100644 --- a/hl/test/pal_rgb.h +++ b/hl/test/pal_rgb.h @@ -1,7 +1,7 @@ -const unsigned char pal_rgb[256*3] = {0,0,0, +const unsigned char pal_rgb[256*3] = {255,255,255, 0,0,131, 0,0,135, 0,0,139, diff --git a/hl/test/test_image.c b/hl/test/test_image.c index c7176d9..539991d 100644 --- a/hl/test/test_image.c +++ b/hl/test/test_image.c @@ -31,10 +31,12 @@ #define PAL1_NAME "rainbow" #define PAL2_NAME "sepia" #define PAL3_NAME "earth" +#define PAL4_NAME "blue-red" -#define WIDTH (hsize_t)50 -#define HEIGHT (hsize_t)20 +#define WIDTH (hsize_t)500 +#define HEIGHT (hsize_t)200 +#define PAL_ENTRIES 9 /* struct to store RGB values read from a .pal file */ typedef struct rgb_t { @@ -86,33 +88,55 @@ static int test_simple(void) hsize_t width; hsize_t height; hsize_t planes; - hsize_t pal_dims[] = {9,3}; + hsize_t pal_dims[] = {PAL_ENTRIES,3}; hsize_t pal_dims_out[2]; char interlace[20]; hssize_t npals; - hsize_t i; + hsize_t i, j; herr_t is_image; herr_t is_pal; unsigned char image_in1 [ WIDTH*HEIGHT ]; unsigned char image_out1[ WIDTH*HEIGHT ]; unsigned char image_in2 [ WIDTH*HEIGHT*3 ]; unsigned char image_out2[ WIDTH*HEIGHT*3 ]; - unsigned char pal_data_out[9*3]; - /* create a 9 entry grey palette */ - unsigned char pal_data_in[9*3] = {0,0,0, - 25,25,25, - 50,50,50, - 75,75,75, - 100,100,100, - 125,125,125, - 150,150,150, - 175,175,175, - 200,200,200}; - - for (i = 0; i < WIDTH*HEIGHT; i++ ) - image_in1[i] = (unsigned char)i; - for (i = 0; i < WIDTH*HEIGHT*3; i++) - image_in2[i] = (unsigned char)i; + unsigned char pal_data_out[PAL_ENTRIES*3]; + unsigned char n; + int space; + /* create a PAL_ENTRIES entry palette */ + unsigned char pal_data_in[PAL_ENTRIES*3] = { + 0,0,168, /* dark blue */ + 0,0,252, /* blue */ + 0,168,252, /* ocean blue */ + 84,252,252, /* light blue */ + 168,252,168, /* light green */ + 0,252,168, /* green */ + 252,252,84, /* yellow */ + 252,168,0, /* orange */ + 252,0,0}; /* red */ + + /* create an image of 9 values divided evenly by the array */ + space = WIDTH*HEIGHT / PAL_ENTRIES; + for (i=0, j=0, n=0; i < WIDTH*HEIGHT; i++, j++ ) + { + image_in1[i] = n; + if ( j > space ) + { + n++; + j=0; + } + if (n>PAL_ENTRIES-1) n=0; + } + /* create an image 3 byte RGB image */ + for (i=0, j=0, n=0; i < WIDTH*HEIGHT*3; i++, j++) + { + image_in2[i] = n; + if (j==3) + { + n++; + j=0; + } + if (n>255) n=0; + } /* create a file using default properties */ if ((fid=H5Fcreate(FILE1,H5F_ACC_TRUNC,H5P_DEFAULT,H5P_DEFAULT))<0) @@ -126,7 +150,7 @@ static int test_simple(void) *------------------------------------------------------------------------- */ - TESTING2("indexed image"); + TESTING2("indexed images"); /* write image */ if (H5IMmake_image_8bit(fid,"image1",WIDTH,HEIGHT,image_in1)<0) @@ -166,6 +190,7 @@ static int test_simple(void) } } + PASSED(); /*------------------------------------------------------------------------- @@ -244,7 +269,7 @@ static int test_simple(void) goto out; /* check */ - for (i = 0; i < 9*3; i++) + for (i = 0; i < PAL_ENTRIES*3; i++) { if ( pal_data_in[i] != pal_data_out[i] ) { @@ -360,7 +385,7 @@ static int test_data(void) goto out; /*------------------------------------------------------------------------- - * palette #1. sepia palette. + * palette #2. sepia palette. * read a PAL file and attach the palette to the HDF5 file *------------------------------------------------------------------------- */ @@ -386,12 +411,11 @@ static int test_data(void) goto out; /*------------------------------------------------------------------------- - * palette #1. earth palette. + * palette #3. earth palette. * read a PAL file and attach the palette to the HDF5 file *------------------------------------------------------------------------- */ - /* read a PAL file */ if (read_palette(PAL3_FILE, rgb, sizeof(rgb))<0) goto out; @@ -416,6 +440,27 @@ static int test_data(void) /*------------------------------------------------------------------------- + * palette #4. blue-red + * make a palette whith blue to red colors + *------------------------------------------------------------------------- + */ + for ( i=0, n=0; i<256*3; i+=3, n++) + { + pal[i] =n; + pal[i+1]=0; + pal[i+2]=255-n; + } + + /* make a palette */ + if (H5IMmake_palette(fid,PAL4_NAME,pal_dims,pal)<0) + goto out; + + /* attach the palette to the image dataset */ + if (H5IMlink_palette(fid,IMAGE1_NAME,PAL4_NAME)<0) + goto out; + + +/*------------------------------------------------------------------------- * true color image example with pixel interlace *------------------------------------------------------------------------- */ |