PostGIS  2.5.0beta2dev-r@@SVN_REVISION@@

◆ test_band_pixtype_1BB()

static void test_band_pixtype_1BB ( )
static

Definition at line 150 of file cu_band_basics.c.

References ovdump::band, ovdump::data, ES_NONE, PT_1BB, 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().

150  {
151  rt_pixtype pixtype = PT_1BB;
152  uint8_t *data = NULL;
153  rt_band band = NULL;
154  int width = 5;
155  int height = 5;
156  int err = 0;
157  int clamped = 0;
158  double val = 0;
159  int x;
160  int y;
161 
162  /* inline band */
163  data = rtalloc(rt_pixtype_size(pixtype) * width * height);
164  CU_ASSERT(data != NULL);
165  memset(data, 0, rt_pixtype_size(pixtype) * width * height);
166 
167  band = rt_band_new_inline(
168  width, height,
169  pixtype,
170  0, 0,
171  data
172  );
173  CU_ASSERT(band != NULL);
174  rt_band_set_ownsdata_flag(band, 1);
175  CU_ASSERT(rt_band_get_ownsdata_flag(band));
176 
177  err = rt_band_set_nodata(band, 1, &clamped);
178  CU_ASSERT_EQUAL(err, ES_NONE);
179  CU_ASSERT(!clamped);
180 
181  rt_band_get_nodata(band, &val);
182  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
183  err = rt_band_set_nodata(band, 0, &clamped);
184  CU_ASSERT_EQUAL(err, ES_NONE);
185  CU_ASSERT(!clamped);
186  rt_band_get_nodata(band, &val);
187  CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
188 
189  err = rt_band_set_nodata(band, 2, &clamped);
190  CU_ASSERT_EQUAL(err, ES_NONE);
191  CU_ASSERT(clamped);
192 
193  err = rt_band_set_nodata(band, 3, &clamped);
194  CU_ASSERT_EQUAL(err, ES_NONE);
195  CU_ASSERT(clamped);
196 
197  err = rt_band_set_pixel(band, 0, 0, 2, &clamped);
198  CU_ASSERT_EQUAL(err, ES_NONE);
199  CU_ASSERT(clamped);
200 
201  err = rt_band_set_pixel(band, 0, 0, 3, &clamped);
202  CU_ASSERT_EQUAL(err, ES_NONE);
203  CU_ASSERT(clamped);
204 
205  for (x = 0; x < rt_band_get_width(band); ++x) {
206  for ( y = 0; y < rt_band_get_height(band); ++y) {
207  err = rt_band_set_pixel(band, x, y, 1, NULL);
208  CU_ASSERT_EQUAL(err, ES_NONE);
209  err = rt_band_get_pixel(band, x, y, &val, NULL);
210  CU_ASSERT_EQUAL(err, ES_NONE);
211  CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
212 
213  err = rt_band_set_pixel(band, x, y, 0, NULL);
214  CU_ASSERT_EQUAL(err, ES_NONE);
215  err = rt_band_get_pixel(band, x, y, &val, NULL);
216  CU_ASSERT_EQUAL(err, ES_NONE);
217  CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
218  }
219  }
220 
221  rt_band_destroy(band);
222 }
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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