PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ test_band_pixtype_64BF()

static void test_band_pixtype_64BF ( )
static

Definition at line 1138 of file cu_band_basics.c.

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
1156 width, height,
1157 pixtype,
1158 0, 0,
1159 data
1160 );
1161 CU_ASSERT(band != NULL);
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}
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:64
void rt_band_set_ownsdata_flag(rt_band band, int flag)
Definition rt_band.c:826
void * rtalloc(size_t size)
Wrappers used for managing memory.
Definition rt_context.c:191
uint16_t rt_band_get_width(rt_band band)
Return width of this band.
Definition rt_band.c:799
rt_errorstate rt_band_get_pixel(rt_band band, int x, int y, double *value, int *nodata)
Get pixel value.
Definition rt_band.c:1551
rt_pixtype
Definition librtcore.h:188
@ PT_64BF
Definition librtcore.h:200
rt_errorstate rt_band_set_nodata(rt_band band, double val, int *converted)
Set nodata value.
Definition rt_band.c:892
rt_errorstate rt_band_set_pixel(rt_band band, int x, int y, double val, int *converted)
Set single pixel's value.
Definition rt_band.c:1140
@ ES_NONE
Definition librtcore.h:182
void rt_band_destroy(rt_band band)
Destroy a raster band.
Definition rt_band.c:499
rt_errorstate rt_band_get_nodata(rt_band band, double *nodata)
Get NODATA value.
Definition rt_band.c:2067
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:818
uint16_t rt_band_get_height(rt_band band)
Return height of this band.
Definition rt_band.c:808
int rt_pixtype_size(rt_pixtype pixtype)
Return size in bytes of a value in the given pixtype.
Definition rt_pixel.c:40

References 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(), and rtalloc().

Referenced by band_basics_suite_setup().

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