test_band_get_pixel_line()

static void test_band_get_pixel_line ( )

static

Definition at line 1213 of file cu_band_basics.c.

References ovdump::band, band_basics_suite_setup(), cu_add_band(), cu_free_raster(), ES_NONE, PT_8BSI, rtpixdump::rast, rt_band_get_pixel_line(), rt_band_set_pixel(), rt_raster_new(), rt_raster_set_scale(), rtdealloc(), pixval::x, and pixval::y.

Referenced by band_basics_suite_setup().

                                       {
        rt_raster rast;
        rt_band band;
        int maxX = 5;
        int maxY = 5;
        int x = 0;
        int y = 0;
        void *vals = NULL;
        uint16_t nvals = 0;
        int err = 0;

        rast = rt_raster_new(maxX, maxY);
        CU_ASSERT(rast != NULL);

        rt_raster_set_scale(rast, 1, -1);

        band = cu_add_band(rast, PT_8BSI, 0, 0);
        CU_ASSERT(band != NULL);

        for (y = 0; y < maxY; y++) {
                for (x = 0; x < maxX; x++)
                        rt_band_set_pixel(band, x, y, x + (y * maxX), NULL);
        }

        err = rt_band_get_pixel_line(band, 0, 0, maxX, &vals, &nvals);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT_EQUAL(nvals, maxX);
        CU_ASSERT_EQUAL(((int8_t *) vals)[3], 3);
        rtdealloc(vals);

        err = rt_band_get_pixel_line(band, 4, 4, maxX, &vals, &nvals);
        CU_ASSERT_EQUAL(err, ES_NONE);
        CU_ASSERT_EQUAL(nvals, 1);
        CU_ASSERT_EQUAL(((int8_t *) vals)[0], 24);
        rtdealloc(vals);

        err = rt_band_get_pixel_line(band, maxX, maxY, maxX, &vals, &nvals);
        CU_ASSERT_NOT_EQUAL(err, ES_NONE);

        cu_free_raster(rast);
}

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