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passing rgb luminance tests

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This commit is contained in:
Henry Schimke
2022-08-31 13:43:04 -05:00
parent aae5684127
commit 35b9d7bd8b
1 changed files with 16 additions and 10 deletions
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26
src/lib.rs
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@@ -1824,14 +1824,20 @@ pub struct RGBLuminanceSource {
impl LuminanceSource for RGBLuminanceSource {
fn getRow(&self, y: usize, row: &Vec<u8>) -> Vec<u8> {
let mut row = row.to_vec();
if y < 0 || y >= self.getHeight() {
panic!("Requested row is outside the image: {}", y);
}
let width = self.getWidth();
let offset = (y + self.top) * self.dataWidth + self.left;
row[0..width].clone_from_slice(&self.luminances[offset..offset+width]);
let mut row = if row.len() >= width {
row.to_vec()
}else{
vec![0;width]
};
row[..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);
@@ -1859,7 +1865,7 @@ impl LuminanceSource for RGBLuminanceSource {
// If the width matches the full width of the underlying data, perform a single copy.
if width == self.dataWidth {
matrix[0..area].clone_from_slice(&self.luminances[inputOffset..area]);
matrix[..area].clone_from_slice(&self.luminances[inputOffset..area+inputOffset]);
//System.arraycopy(self.luminances, inputOffset, matrix, 0, area);
if self.invert {
matrix = self.invert_block_of_bytes(matrix);
@@ -1871,7 +1877,7 @@ impl LuminanceSource for RGBLuminanceSource {
for y in 0..height {
//for (int y = 0; y < height; y++) {
let outputOffset = y * width;
matrix[outputOffset..width].clone_from_slice(&self.luminances[inputOffset..width]);
matrix[outputOffset..width+outputOffset].clone_from_slice(&self.luminances[inputOffset..width+inputOffset]);
//System.arraycopy(luminances, inputOffset, matrix, outputOffset, width);
inputOffset += self.dataWidth;
}
@@ -1958,22 +1964,22 @@ impl RGBLuminanceSource {
fn new_complex(
pixels: &Vec<u8>,
dataWidth: usize,
dataHeight: usize,
data_width: usize,
data_height: usize,
left: usize,
top: usize,
width: usize,
height: usize,
) -> Result<Self, Exceptions> {
if left + width > dataWidth || top + height > dataHeight {
if left + width > data_width || top + height > data_height {
return Err(Exceptions::IllegalArgumentException(
"Crop rectangle does not fit within image data.".to_owned(),
));
}
Ok(Self {
luminances: todo!(),
dataWidth,
dataHeight,
luminances: pixels.clone(),
dataWidth: data_width,
dataHeight: data_height,
left,
top,
width,