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Passing blackbox tests aztec

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This commit is contained in:
Henry Schimke
2022-09-30 15:53:15 -05:00
parent b1051f01df
commit 438ae9f588
4 changed files with 36 additions and 25 deletions
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42
src/common/mod.rs
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@@ -3899,33 +3899,33 @@ impl HybridBinarizer {
*/
fn calculateThresholdForBlock(
luminances: &[u8],
subWidth: u32,
subHeight: u32,
sub_width: u32,
sub_height: u32,
width: u32,
height: u32,
blackPoints: &Vec<Vec<u32>>,
black_points: &Vec<Vec<u32>>,
matrix: &mut BitMatrix,
) {
let maxYOffset = height - HybridBinarizer::BLOCK_SIZE as u32;
let maxXOffset = width - HybridBinarizer::BLOCK_SIZE as u32;
for y in 0..subHeight {
for y in 0..sub_height {
// for (int y = 0; y < subHeight; y++) {
let mut yoffset = y << HybridBinarizer::BLOCK_SIZE_POWER;
if yoffset > maxYOffset {
yoffset = maxYOffset;
}
let top = Self::cap(y, subHeight - 3);
for x in 0..subWidth {
let top = Self::cap(y, sub_height - 3);
for x in 0..sub_width {
// for (int x = 0; x < subWidth; x++) {
let mut xoffset = x << HybridBinarizer::BLOCK_SIZE_POWER;
if xoffset > maxXOffset {
xoffset = maxXOffset;
}
let left = Self::cap(x, subWidth - 3);
let left = Self::cap(x, sub_width - 3);
let mut sum = 0;
for z in -2i32..=2 {
// for (int z = -2; z <= 2; z++) {
let blackRow = &blackPoints[(top as i32 + z) as usize];
let blackRow = &black_points[(top as i32 + z) as usize];
sum += blackRow[(left - 2) as usize]
+ blackRow[(left - 1) as usize]
+ blackRow[left as usize]
@@ -3999,10 +3999,12 @@ impl HybridBinarizer {
xoffset = maxXOffset as u32;
}
let mut sum = 0u32;
let mut min = 0;
let mut max = 0xFF;
let mut min = 0xff;
let mut max = 0;
let mut offset = yoffset * width + xoffset;
for yy in 0..HybridBinarizer::BLOCK_SIZE {
let mut yy = 0;
while yy < HybridBinarizer::BLOCK_SIZE {
// for (int yy = 0, offset = yoffset * width + xoffset; yy < HybridBinarizer::BLOCK_SIZE; yy++, offset += width) {
for xx in 0..HybridBinarizer::BLOCK_SIZE {
// for (int xx = 0; xx < HybridBinarizer::BLOCK_SIZE; xx++) {
@@ -4020,16 +4022,19 @@ impl HybridBinarizer {
if (max - min) as usize > HybridBinarizer::MIN_DYNAMIC_RANGE {
// finish the rest of the rows quickly
offset += width;
for _yy_s in yy + 1..HybridBinarizer::BLOCK_SIZE {
yy+=1;
while yy < HybridBinarizer::BLOCK_SIZE {
// for (yy++, offset += width; yy < HybridBinarizer::BLOCK_SIZE; yy++, offset += width) {
for xx in 0..HybridBinarizer::BLOCK_SIZE {
// for (int xx = 0; xx < BLOCK_SIZE; xx++) {
sum += luminances[offset as usize + xx] as u32;
}
yy+=1;
offset += width;
}
break;
}
yy+=1;
offset += width;
}
@@ -4052,21 +4057,18 @@ impl HybridBinarizer {
// the boundaries is used for the interior.
// The (min < bp) is arbitrary but works better than other heuristics that were tried.
let average_neighbor_black_point = (blackPoints[y as usize - 1][x as usize]
let average_neighbor_black_point:u32 = (blackPoints[y as usize - 1][x as usize]
+ (2 * blackPoints[y as usize][x as usize - 1])
+ blackPoints[y as usize - 1][x as usize - 1])
/ 4;
if (min < average_neighbor_black_point) {
average = average_neighbor_black_point as u32;
if (min as u32) < average_neighbor_black_point {
average = average_neighbor_black_point;
}
}
}
blackPoints[y as usize][x as usize] = average as u8;
blackPoints[y as usize][x as usize] = average;
}
}
return blackPoints
.into_iter()
.map(|x| x.iter().map(|y| *y as u32).collect())
.collect();
blackPoints
}
}