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rbg not passing

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Henry Schimke
2022-08-30 17:49:02 -05:00
parent 443d4fa5f7
commit e0ecedf96d
3 changed files with 80 additions and 68 deletions
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63
src/RGBLuminanceSourceTestCase.java
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@@ -1,63 +0,0 @@
/*
* 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 RGBLuminanceSource}.
*/
public final class RGBLuminanceSourceTestCase extends Assert {
private static final RGBLuminanceSource SOURCE = new RGBLuminanceSource(3, 3, new int[] {
0x000000, 0x7F7F7F, 0xFFFFFF,
0xFF0000, 0x00FF00, 0x0000FF,
0x0000FF, 0x00FF00, 0xFF0000});
@Test
public void testCrop() {
assertTrue(SOURCE.isCropSupported());
LuminanceSource cropped = SOURCE.crop(1, 1, 1, 1);
assertEquals(1, cropped.getHeight());
assertEquals(1, cropped.getWidth());
assertArrayEquals(new byte[] { 0x7F }, cropped.getRow(0, null));
}
@Test
public void testMatrix() {
assertArrayEquals(new byte[] { 0x00, 0x7F, (byte) 0xFF, 0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F },
SOURCE.getMatrix());
LuminanceSource croppedFullWidth = SOURCE.crop(0, 1, 3, 2);
assertArrayEquals(new byte[] { 0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F },
croppedFullWidth.getMatrix());
LuminanceSource croppedCorner = SOURCE.crop(1, 1, 2, 2);
assertArrayEquals(new byte[] { 0x7F, 0x3F, 0x7F, 0x3F },
croppedCorner.getMatrix());
}
@Test
public void testGetRow() {
assertArrayEquals(new byte[] { 0x3F, 0x7F, 0x3F }, SOURCE.getRow(2, new byte[3]));
}
@Test
public void testToString() {
assertEquals("#+ \n#+#\n#+#\n", SOURCE.toString());
}
}

72
src/RGBLuminanceSourceTestCase.rs Normal file
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@@ -0,0 +1,72 @@
/*
* 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 RGBLuminanceSource}.
// */
// public final class RGBLuminanceSourceTestCase extends Assert {
use crate::{RGBLuminanceSource, LuminanceSource};
static src_data : [u32;9] = [0x000000, 0x7F7F7F, 0xFFFFFF,
0xFF0000, 0x00FF00, 0x0000FF,
0x0000FF, 0x00FF00, 0xFF0000];
#[test]
fn testCrop() {
let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3,3,&src_data.to_vec());
assert!(SOURCE.isCropSupported());
let cropped = SOURCE.crop(1, 1, 1, 1).unwrap();
assert_eq!(1, cropped.getHeight());
assert_eq!(1, cropped.getWidth());
assert_eq!(vec![ 0x7F ], cropped.getRow(0, &vec![0;0]));
}
#[test]
fn testMatrix() {
let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3,3,&src_data.to_vec());
assert_eq!(vec![ 0x00, 0x7F, 0xFF, 0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F ],
SOURCE.getMatrix());
let croppedFullWidth = SOURCE.crop(0, 1, 3, 2).unwrap();
assert_eq!(vec![ 0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F ],
croppedFullWidth.getMatrix());
let croppedCorner = SOURCE.crop(1, 1, 2, 2).unwrap();
assert_eq!(vec![ 0x7F, 0x3F, 0x7F, 0x3F ],
croppedCorner.getMatrix());
}
#[test]
fn testGetRow() {
let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3,3,&src_data.to_vec());
assert_eq!(vec![ 0x3F, 0x7F, 0x3F ], SOURCE.getRow(2, &vec![0;3]));
}
// #[test]
// fn testToString() {
// let SOURCE = RGBLuminanceSource::new_with_width_height_pixels(3,3,&src_data.to_vec());
// assert_eq!("#+ \n#+#\n#+#\n", SOURCE.toString());
// }
// }

13
src/lib.rs
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@@ -11,6 +11,9 @@ use std::time::{SystemTime, UNIX_EPOCH};
#[cfg(test)]
mod PlanarYUVLuminanceSourceTestCase;
#[cfg(test)]
mod RGBLuminanceSourceTestCase;
/*
* Copyright 2007 ZXing authors
*
@@ -1828,7 +1831,7 @@ impl LuminanceSource for RGBLuminanceSource {
let width = self.getWidth();
let offset = (y + self.top) * self.dataWidth + self.left;
row[0..width].clone_from_slice(&self.luminances[offset..width]);
row[0..width].clone_from_slice(&self.luminances[offset..offset+width]);
//System.arraycopy(self.luminances, offset, row, 0, width);
if self.invert {
row = self.invert_block_of_bytes(row);
@@ -1918,7 +1921,7 @@ impl LuminanceSource for RGBLuminanceSource {
}
impl RGBLuminanceSource {
pub fn new_with_width_height_pixels(width: usize, height: usize, pixels: &Vec<u8>) -> Self {
pub fn new_with_width_height_pixels(width: usize, height: usize, pixels: &Vec<u32>) -> Self {
//super(width, height);
let dataWidth = width;
@@ -1935,11 +1938,11 @@ impl RGBLuminanceSource {
for offset in 0..size {
//for (int offset = 0; offset < size; offset++) {
let pixel = pixels[offset];
let r = ((pixel as u32 >> 16) & 0xff) as u8; // red
let g2 = ((pixel as u16 >> 7) & 0x1fe) as u8; // 2 * green
let r = (pixel >> 16) & 0xff ; // red
let g2 = (pixel >> 7) & 0x1fe; // 2 * green
let b = pixel & 0xff; // blue
// Calculate green-favouring average cheaply
luminances[offset] = (r + g2 + b) / 4;
luminances[offset] = ((r + g2 + b) / 4).try_into().unwrap();
}
Self {
luminances,