PostGIS  2.5.1dev-r@@SVN_REVISION@@

◆ test_band_pixtype_32BUI()

static void test_band_pixtype_32BUI ( )
static

Definition at line 863 of file cu_band_basics.c.

References ovdump::band, ovdump::data, ES_NONE, PT_32BUI, rt_band_destroy(), rt_band_get_height(), rt_band_get_nodata(), rt_band_get_ownsdata_flag(), rt_band_get_pixel(), rt_band_get_width(), rt_band_new_inline(), rt_band_set_nodata(), rt_band_set_ownsdata_flag(), rt_band_set_pixel(), rt_pixtype_size(), rtalloc(), pixval::x, and pixval::y.

Referenced by band_basics_suite_setup().

863  {
864  rt_pixtype pixtype = PT_32BUI;
865  uint8_t *data = NULL;
866  rt_band band = NULL;
867  int width = 5;
868  int height = 5;
869  int err = 0;
870  int clamped = 0;
871  double val = 0;
872  int x;
873  int y;
874 
875  /* inline band */
876  data = rtalloc(rt_pixtype_size(pixtype) * width * height);
877  CU_ASSERT(data != NULL);
878  memset(data, 0, rt_pixtype_size(pixtype) * width * height);
879 
880  band = rt_band_new_inline(
881  width, height,
882  pixtype,
883  0, 0,
884  data
885  );
886  CU_ASSERT(band != NULL);
887  rt_band_set_ownsdata_flag(band, 1);
888  CU_ASSERT(rt_band_get_ownsdata_flag(band));
889 
890  err = rt_band_set_nodata(band, 1, &clamped);
891  CU_ASSERT_EQUAL(err, ES_NONE);
892  CU_ASSERT(!clamped);
893  rt_band_get_nodata(band, &val);
894  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
895 
896  err = rt_band_set_nodata(band, 0, &clamped);
897  CU_ASSERT_EQUAL(err, ES_NONE);
898  CU_ASSERT(!clamped);
899  rt_band_get_nodata(band, &val);
900  CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
901 
902  err = rt_band_set_nodata(band, 65535, &clamped);
903  CU_ASSERT_EQUAL(err, ES_NONE);
904  CU_ASSERT(!clamped);
905  rt_band_get_nodata(band, &val);
906  CU_ASSERT_DOUBLE_EQUAL(val, 65535, DBL_EPSILON);
907 
908  err = rt_band_set_nodata(band, 4294967295UL, &clamped);
909  CU_ASSERT_EQUAL(err, ES_NONE);
910  CU_ASSERT(!clamped);
911  rt_band_get_nodata(band, &val);
912  CU_ASSERT_DOUBLE_EQUAL(val, 4294967295UL, DBL_EPSILON);
913 
914  /* out of range */
915  err = rt_band_set_nodata(band, 4294967296ULL, &clamped);
916  CU_ASSERT_EQUAL(err, ES_NONE);
917  CU_ASSERT(clamped);
918 
919  /* out of value range */
920  err = rt_band_set_pixel(band, 0, 0, 4294967296ULL, &clamped);
921  CU_ASSERT_EQUAL(err, ES_NONE);
922  CU_ASSERT(clamped);
923 
924  /* out of dimensions range */
925  err = rt_band_set_pixel(band, rt_band_get_width(band), 0, 4294967296ULL, NULL);
926  CU_ASSERT((err != ES_NONE));
927 
928  for (x=0; x<rt_band_get_width(band); ++x) {
929  for (y=0; y<rt_band_get_height(band); ++y) {
930  err = rt_band_set_pixel(band, x, y, 1, NULL);
931  CU_ASSERT_EQUAL(err, ES_NONE);
932  err = rt_band_get_pixel(band, x, y, &val, NULL);
933  CU_ASSERT_EQUAL(err, ES_NONE);
934  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
935 
936  err = rt_band_set_pixel(band, x, y, 0, NULL);
937  CU_ASSERT_EQUAL(err, ES_NONE);
938  err = rt_band_get_pixel(band, x, y, &val, NULL);
939  CU_ASSERT_EQUAL(err, ES_NONE);
940  CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
941 
942  err = rt_band_set_pixel(band, x, y, 65535, NULL);
943  CU_ASSERT_EQUAL(err, ES_NONE);
944  err = rt_band_get_pixel(band, x, y, &val, NULL);
945  CU_ASSERT_EQUAL(err, ES_NONE);
946  CU_ASSERT_DOUBLE_EQUAL(val, 65535, DBL_EPSILON);
947 
948  err = rt_band_set_pixel(band, x, y, 4294967295UL, NULL);
949  CU_ASSERT_EQUAL(err, ES_NONE);
950  err = rt_band_get_pixel(band, x, y, &val, NULL);
951  CU_ASSERT_EQUAL(err, ES_NONE);
952  CU_ASSERT_DOUBLE_EQUAL(val, 4294967295UL, DBL_EPSILON);
953  }
954  }
955 
956  rt_band_destroy(band);
957 }
band
Definition: ovdump.py:57
void * rtalloc(size_t size)
Wrappers used for managing memory.
Definition: rt_context.c:171
data
Definition: ovdump.py:103
rt_errorstate rt_band_set_nodata(rt_band band, double val, int *converted)
Set nodata value.
Definition: rt_band.c:733
rt_pixtype
Definition: librtcore.h:185
void rt_band_destroy(rt_band band)
Destroy a raster band.
Definition: rt_band.c:340
rt_errorstate rt_band_get_nodata(rt_band band, double *nodata)
Get NODATA value.
Definition: rt_band.c:1730
void rt_band_set_ownsdata_flag(rt_band band, int flag)
Definition: rt_band.c:667
int rt_band_get_ownsdata_flag(rt_band band)
Return 0 (FALSE) or non-zero (TRUE) indicating if rt_band is responsible for managing the memory for ...
Definition: rt_band.c:659
rt_errorstate rt_band_get_pixel(rt_band band, int x, int y, double *value, int *nodata)
Get pixel value.
Definition: rt_band.c:1221
uint16_t rt_band_get_width(rt_band band)
Return width of this band.
Definition: rt_band.c:640
uint16_t rt_band_get_height(rt_band band)
Return height of this band.
Definition: rt_band.c:649
rt_band rt_band_new_inline(uint16_t width, uint16_t height, rt_pixtype pixtype, uint32_t hasnodata, double nodataval, uint8_t *data)
Create an in-db rt_band with no data.
Definition: rt_band.c:63
int rt_pixtype_size(rt_pixtype pixtype)
Return size in bytes of a value in the given pixtype.
Definition: rt_pixel.c:39
rt_errorstate rt_band_set_pixel(rt_band band, int x, int y, double val, int *converted)
Set single pixel&#39;s value.
Definition: rt_band.c:974
unsigned char uint8_t
Definition: uthash.h:79
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