PostGIS  2.5.0beta1dev-r@@SVN_REVISION@@

◆ test_band_pixtype_2BUI()

static void test_band_pixtype_2BUI ( )
static

Definition at line 224 of file cu_band_basics.c.

References ovdump::band, ovdump::data, ES_NONE, PT_2BUI, 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().

224  {
225  rt_pixtype pixtype = PT_2BUI;
226  uint8_t *data = NULL;
227  rt_band band = NULL;
228  int width = 5;
229  int height = 5;
230  int err = 0;
231  int clamped = 0;
232  double val = 0;
233  int x;
234  int y;
235 
236  /* inline band */
237  data = rtalloc(rt_pixtype_size(pixtype) * width * height);
238  CU_ASSERT(data != NULL);
239  memset(data, 0, rt_pixtype_size(pixtype) * width * height);
240 
241  band = rt_band_new_inline(
242  width, height,
243  pixtype,
244  0, 0,
245  data
246  );
247  CU_ASSERT(band != NULL);
248  rt_band_set_ownsdata_flag(band, 1);
249  CU_ASSERT(rt_band_get_ownsdata_flag(band));
250 
251  err = rt_band_set_nodata(band, 1, &clamped);
252  CU_ASSERT_EQUAL(err, ES_NONE);
253  CU_ASSERT(!clamped);
254  rt_band_get_nodata(band, &val);
255  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
256 
257  err = rt_band_set_nodata(band, 0, &clamped);
258  CU_ASSERT_EQUAL(err, ES_NONE);
259  CU_ASSERT(!clamped);
260  rt_band_get_nodata(band, &val);
261  CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
262 
263  err = rt_band_set_nodata(band, 2, &clamped);
264  CU_ASSERT_EQUAL(err, ES_NONE);
265  CU_ASSERT(!clamped);
266  rt_band_get_nodata(band, &val);
267  CU_ASSERT_DOUBLE_EQUAL(val, 2, DBL_EPSILON);
268 
269  err = rt_band_set_nodata(band, 3, &clamped);
270  CU_ASSERT_EQUAL(err, ES_NONE);
271  CU_ASSERT(!clamped);
272  rt_band_get_nodata(band, &val);
273  CU_ASSERT_DOUBLE_EQUAL(val, 3, DBL_EPSILON);
274 
275  err = rt_band_set_nodata(band, 4, &clamped); /* invalid: out of range */
276  CU_ASSERT_EQUAL(err, ES_NONE);
277  CU_ASSERT(clamped);
278 
279  err = rt_band_set_nodata(band, 5, &clamped); /* invalid: out of range */
280  CU_ASSERT_EQUAL(err, ES_NONE);
281  CU_ASSERT(clamped);
282 
283  err = rt_band_set_pixel(band, 0, 0, 4, &clamped); /* out of range */
284  CU_ASSERT_EQUAL(err, ES_NONE);
285  CU_ASSERT(clamped);
286 
287  err = rt_band_set_pixel(band, 0, 0, 5, &clamped); /* out of range */
288  CU_ASSERT_EQUAL(err, ES_NONE);
289  CU_ASSERT(clamped);
290 
291  for (x=0; x<rt_band_get_width(band); ++x) {
292  for (y=0; y<rt_band_get_height(band); ++y) {
293  err = rt_band_set_pixel(band, x, y, 1, NULL);
294  CU_ASSERT_EQUAL(err, ES_NONE);
295  err = rt_band_get_pixel(band, x, y, &val, NULL);
296  CU_ASSERT_EQUAL(err, ES_NONE);
297  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
298 
299  err = rt_band_set_pixel(band, x, y, 2, NULL);
300  CU_ASSERT_EQUAL(err, ES_NONE);
301  err = rt_band_get_pixel(band, x, y, &val, NULL);
302  CU_ASSERT_EQUAL(err, ES_NONE);
303  CU_ASSERT_DOUBLE_EQUAL(val, 2, DBL_EPSILON);
304 
305  err = rt_band_set_pixel(band, x, y, 3, NULL);
306  CU_ASSERT_EQUAL(err, ES_NONE);
307  err = rt_band_get_pixel(band, x, y, &val, NULL);
308  CU_ASSERT_EQUAL(err, ES_NONE);
309  CU_ASSERT_DOUBLE_EQUAL(val, 3, DBL_EPSILON);
310  }
311  }
312 
313  rt_band_destroy(band);
314 }
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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