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update for shared state and improved performance

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This commit is contained in:
Henry Schimke
2023-01-02 16:38:05 -06:00
parent 72f69dd6a0
commit 65f7c4d01b
46 changed files with 505 additions and 359 deletions
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8
src/rgb_luminance_source.rs
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@@ -38,7 +38,7 @@ pub struct RGBLuminanceSource {
}
impl LuminanceSource for RGBLuminanceSource {
fn getRow(&self, y: usize, row: &Vec<u8>) -> Vec<u8> {
fn getRow(&self, y: usize) -> Vec<u8> {
if y >= self.getHeight() {
panic!("Requested row is outside the image: {}", y);
}
@@ -46,11 +46,7 @@ impl LuminanceSource for RGBLuminanceSource {
let offset = (y + self.top) * self.dataWidth + self.left;
let mut row = if row.len() >= width {
row.to_vec()
} else {
vec![0; width]
};
let mut row = vec![0; width];
row[..width].clone_from_slice(&self.luminances[offset..offset + width]);
//System.arraycopy(self.luminances, offset, row, 0, width);