test_band_pixtype_8BUI()

static void test_band_pixtype_8BUI ( )

static

Definition at line 422 of file cu_band_basics.c.

                                     {
        rt_pixtype pixtype = PT_8BUI;
        uint8_t *data = NULL;
        rt_band band = NULL;
        int width = 5;
        int height = 5;
        int err = 0;
        int clamped = 0;
        double val = 0;
        int x;
        int y;
 
        /* inline band */
        data = rtalloc(rt_pixtype_size(pixtype) * width * height);
        CU_ASSERT(data != NULL);
        memset(data, 0, rt_pixtype_size(pixtype) * width * height);
 
        band = rt_band_new_inline(
                width, height,
                pixtype,
                0, 0,
                data
        );
        CU_ASSERT(band != NULL);
        rt_band_set_ownsdata_flag(band, 1);
        CU_ASSERT(rt_band_get_ownsdata_flag(band));
 
        err = rt_band_set_nodata(band, 1, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 0, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 0, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 2, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 2, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 4, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 4, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 8, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 8, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 15, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 15, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 31, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 31, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 255, &clamped);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(!clamped);
        rt_band_get_nodata(band, &val);
        CU_ASSERT_DOUBLE_EQUAL(val, 255, DBL_EPSILON);
 
        err = rt_band_set_nodata(band, 256, &clamped); /* out of value range */
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(clamped);
 
        err = rt_band_set_pixel(band, 0, 0, 256, &clamped); /* out of value range */
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT(clamped);
 
        for (x=0; x<rt_band_get_width(band); ++x) {
                for (y=0; y<rt_band_get_height(band); ++y) {
                        err = rt_band_set_pixel(band, x, y, 31, NULL);
                        CU_ASSERT_EQUAL(err, ES_NONE);
                        err = rt_band_get_pixel(band, x, y, &val, NULL);
                        CU_ASSERT_EQUAL(err, ES_NONE);
                        CU_ASSERT_DOUBLE_EQUAL(val, 31, DBL_EPSILON);
 
                        err = rt_band_set_pixel(band, x, y, 255, NULL);
                        CU_ASSERT_EQUAL(err, ES_NONE);
                        err = rt_band_get_pixel(band, x, y, &val, NULL);
                        CU_ASSERT_EQUAL(err, ES_NONE);
                        CU_ASSERT_DOUBLE_EQUAL(val, 255, DBL_EPSILON);
 
                        err = rt_band_set_pixel(band, x, y, 1, NULL);
                        CU_ASSERT_EQUAL(err, ES_NONE);
                        err = rt_band_get_pixel(band, x, y, &val, NULL);
                        CU_ASSERT_EQUAL(err, ES_NONE);
                        CU_ASSERT_DOUBLE_EQUAL(val, 1, DBL_EPSILON);
                }
        }
 
        rt_band_destroy(band);
}

References ES_NONE, PT_8BUI, 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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