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/*
* Copyright 2014 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
// */
// package com.google.zxing;
// import org.junit.Assert;
// import org.junit.Test;
// /**
// * Tests {@link PlanarYUVLuminanceSource}.
// */
// public final class PlanarYUVLuminanceSourceTestCase extends Assert {
use crate::{LuminanceSource, PlanarYUVLuminanceSource};
static YUV: [u8; 36] = [
// 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 0, -1, -1, -2, -3, -5, -8, -13, -21, -34, -55, -89,
128, 129, 129, 130, 131, 133, 136, 141, 149, 162, 183, 217, 128, 127, 127, 126, 125, 123, 120,
115, 107, 94, 73, 39, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
];
static COLS: usize = 6;
static ROWS: usize = 4;
static Y: [u8; 24] = [
128, 129, 129, 130, 131, 133, 136, 141, 149, 162, 183, 217, 128, 127, 127, 126, 125, 123, 120,
115, 107, 94, 73, 39,
];
#[test]
fn test_no_crop() {
let source = PlanarYUVLuminanceSource::new_with_all(
YUV.to_vec(),
COLS,
ROWS,
0,
0,
COLS,
ROWS,
false,
false,
)
.unwrap();
assert_equals(&Y, 0, &source.get_matrix(), 0, Y.len());
for r in 0..ROWS {
// for (int r = 0; r < ROWS; r++) {
assert_equals(
&Y,
r * COLS,
&source.get_row(r).expect("must exist"),
0,
COLS,
);
}
}
#[test]
fn test_crop() {
let source = PlanarYUVLuminanceSource::new_with_all(
YUV.to_vec(),
COLS,
ROWS,
1,
1,
COLS - 2,
ROWS - 2,
false,
false,
)
.unwrap();
assert!(source.is_crop_supported());
let cropMatrix = source.get_matrix();
for r in 0..ROWS - 2 {
// for (int r = 0; r < ROWS - 2; r++) {
assert_equals(
&Y,
(r + 1) * COLS + 1,
&cropMatrix,
r * (COLS - 2),
COLS - 2,
);
}
for r in 0..ROWS - 2 {
// for (int r = 0; r < ROWS - 2; r++) {
assert_equals(
&Y,
(r + 1) * COLS + 1,
&source.get_row(r).expect("must exist"),
0,
COLS - 2,
);
}
}
#[test]
fn test_thumbnail() {
let source = PlanarYUVLuminanceSource::new_with_all(
YUV.to_vec(),
COLS,
ROWS,
0,
0,
COLS,
ROWS,
false,
false,
)
.unwrap();
let c_vec = vec![
((0x00FF0000 << 8) + 0x00808080) as u8,
((0x00FF0000 << 8) + 0x00818181) as u8,
((0x00FF0000 << 8) + 0x00838383) as u8,
((0x00FF0000 << 8) + 0x00808080) as u8,
((0x00FF0000 << 8) + 0x007F7F7F) as u8,
((0x00FF0000 << 8) + 0x007D7D7D) as u8,
];
assert_eq!(c_vec, source.renderThumbnail());
}
fn assert_equals(
expected: &[u8],
expectedFrom: usize,
actual: &[u8],
actualFrom: usize,
length: usize,
) {
for i in 0..length {
// for (int i = 0; i < length; i++) {
assert_eq!(expected[expectedFrom + i], actual[actualFrom + i]);
}
}
// }