PostGIS  2.5.1dev-r@@SVN_REVISION@@

◆ test_band_pixtype_64BF()

static void test_band_pixtype_64BF ( )
static

Definition at line 1138 of file cu_band_basics.c.

References ovdump::band, ovdump::data, ES_NONE, PT_64BF, 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().

1138  {
1139  rt_pixtype pixtype = PT_64BF;
1140  uint8_t *data = NULL;
1141  rt_band band = NULL;
1142  int width = 5;
1143  int height = 5;
1144  int err = 0;
1145  int clamped = 0;
1146  double val = 0;
1147  int x;
1148  int y;
1149 
1150  /* inline band */
1151  data = rtalloc(rt_pixtype_size(pixtype) * width * height);
1152  CU_ASSERT(data != NULL);
1153  memset(data, 0, rt_pixtype_size(pixtype) * width * height);
1154 
1155  band = rt_band_new_inline(
1156  width, height,
1157  pixtype,
1158  0, 0,
1159  data
1160  );
1161  CU_ASSERT(band != NULL);
1162  rt_band_set_ownsdata_flag(band, 1);
1163  CU_ASSERT(rt_band_get_ownsdata_flag(band));
1164 
1165  err = rt_band_set_nodata(band, 1, &clamped);
1166  CU_ASSERT_EQUAL(err, ES_NONE);
1167  CU_ASSERT(!clamped);
1168  rt_band_get_nodata(band, &val);
1169  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
1170 
1171  err = rt_band_set_nodata(band, 0, &clamped);
1172  CU_ASSERT_EQUAL(err, ES_NONE);
1173  CU_ASSERT(!clamped);
1174  rt_band_get_nodata(band, &val);
1175  CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
1176 
1177  err = rt_band_set_nodata(band, 65535.56, &clamped);
1178  CU_ASSERT_EQUAL(err, ES_NONE);
1179  CU_ASSERT(!clamped);
1180  rt_band_get_nodata(band, &val);
1181  CU_ASSERT_DOUBLE_EQUAL(val, 65535.56, DBL_EPSILON);
1182 
1183  err = rt_band_set_nodata(band, 0.006, &clamped);
1184  CU_ASSERT_EQUAL(err, ES_NONE);
1185  CU_ASSERT(!clamped);
1186  rt_band_get_nodata(band, &val);
1187  CU_ASSERT_DOUBLE_EQUAL(val, 0.006, DBL_EPSILON);
1188 
1189  for (x=0; x<rt_band_get_width(band); ++x) {
1190  for (y=0; y<rt_band_get_height(band); ++y) {
1191  err = rt_band_set_pixel(band, x, y, 1, NULL);
1192  CU_ASSERT_EQUAL(err, ES_NONE);
1193  err = rt_band_get_pixel(band, x, y, &val, NULL);
1194  CU_ASSERT_EQUAL(err, ES_NONE);
1195  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
1196 
1197  err = rt_band_set_pixel(band, x, y, 0, NULL);
1198  CU_ASSERT_EQUAL(err, ES_NONE);
1199  err = rt_band_get_pixel(band, x, y, &val, NULL);
1200  CU_ASSERT_EQUAL(err, ES_NONE);
1201  CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
1202 
1203  err = rt_band_set_pixel(band, x, y, 65535.56, NULL);
1204  CU_ASSERT_EQUAL(err, ES_NONE);
1205  err = rt_band_get_pixel(band, x, y, &val, NULL);
1206  CU_ASSERT_EQUAL(err, ES_NONE);
1207  CU_ASSERT_DOUBLE_EQUAL(val, 65535.56, DBL_EPSILON);
1208 
1209  err = rt_band_set_pixel(band, x, y, 0.006, NULL);
1210  CU_ASSERT_EQUAL(err, ES_NONE);
1211  err = rt_band_get_pixel(band, x, y, &val, NULL);
1212  CU_ASSERT_EQUAL(err, ES_NONE);
1213  CU_ASSERT_DOUBLE_EQUAL(val, 0.006, DBL_EPSILON);
1214  }
1215  }
1216 
1217  rt_band_destroy(band);
1218 }
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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