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refactor to use common result type

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This commit is contained in:
Vukašin Stepanović
2023-02-14 22:56:03 +00:00
parent 145cf704fe
commit 8ee616d96b
160 changed files with 829 additions and 901 deletions
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10
src/common/otsu_level_binarizer.rs
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@@ -3,6 +3,7 @@ use std::{borrow::Cow, rc::Rc};
use image::{DynamicImage, ImageBuffer, Luma};
use once_cell::sync::OnceCell;
use crate::common::Result;
use crate::{Binarizer, Exceptions, LuminanceSource};
use super::{BitArray, BitMatrix};
@@ -16,7 +17,7 @@ pub struct OtsuLevelBinarizer {
}
impl OtsuLevelBinarizer {
fn generate_threshold_matrix(source: &dyn LuminanceSource) -> Result<BitMatrix, Exceptions> {
fn generate_threshold_matrix(source: &dyn LuminanceSource) -> Result<BitMatrix> {
let image_buffer = {
let Some(buff) : Option<ImageBuffer<Luma<u8>,Vec<u8>>> = ImageBuffer::from_vec(source.getWidth() as u32, source.getHeight() as u32, source.getMatrix()) else {
return Err(Exceptions::IllegalArgumentException(None))
@@ -49,10 +50,7 @@ impl Binarizer for OtsuLevelBinarizer {
&self.source
}
fn getBlackRow(
&self,
y: usize,
) -> Result<std::borrow::Cow<super::BitArray>, crate::Exceptions> {
fn getBlackRow(&self, y: usize) -> Result<std::borrow::Cow<super::BitArray>> {
let row = self.black_row_cache[y].get_or_try_init(|| {
let matrix = self.getBlackMatrix()?;
Ok(matrix.getRow(y as u32))
@@ -61,7 +59,7 @@ impl Binarizer for OtsuLevelBinarizer {
Ok(Cow::Borrowed(row))
}
fn getBlackMatrix(&self) -> Result<&super::BitMatrix, crate::Exceptions> {
fn getBlackMatrix(&self) -> Result<&super::BitMatrix> {
let matrix = self
.black_matrix
.get_or_try_init(|| Self::generate_threshold_matrix(self.source.as_ref()))?;