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fix: code cleanup and updates

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This commit is contained in:
Henry Schimke
2024-01-31 18:03:42 -06:00
parent 20c61c9c13
commit 175511180f
7 changed files with 29 additions and 89 deletions
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17
src/common/global_histogram_binarizer.rs
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@@ -156,12 +156,9 @@ impl<LS: LuminanceSource> GlobalHistogramBinarizer<LS> {
let row = height * y / 5;
let localLuminances = source.get_row(row);
let right = (width * 4) / 5;
let mut x = width / 5;
while x < right {
// for (int x = width / 5; x < right; x++) {
for x in (width/5)..right {
let pixel = localLuminances[x];
localBuckets[(pixel >> LUMINANCE_SHIFT) as usize] += 1;
x += 1;
}
}
let blackPoint = Self::estimateBlackPoint(&localBuckets)?;
@@ -171,10 +168,8 @@ impl<LS: LuminanceSource> GlobalHistogramBinarizer<LS> {
// "fail quickly" which is necessary for continuous scanning.
let localLuminances = source.get_matrix();
for y in 0..height {
// for (int y = 0; y < height; y++) {
let offset = y * width;
for x in 0..width {
// for (int x = 0; x < width; x++) {
let pixel = localLuminances[offset + x];
if (pixel as u32) < blackPoint {
matrix.set(x as u32, y as u32);
@@ -185,16 +180,6 @@ impl<LS: LuminanceSource> GlobalHistogramBinarizer<LS> {
Ok(matrix)
}
// fn initArrays(&mut self, luminanceSize: usize) {
// // if self.luminances.len() < luminanceSize {
// // self.luminances = ;
// // }
// // // for x in 0..GlobalHistogramBinarizer::LUMINANCE_BUCKETS {
// // // for (int x = 0; x < LUMINANCE_BUCKETS; x++) {
// // self.buckets[x] = 0;
// // }
// }
fn estimateBlackPoint(buckets: &[u32]) -> Result<u32> {
// Find the tallest peak in the histogram.
let numBuckets = buckets.len();