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Cargo fmt and clippy

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This commit is contained in:
Joshua Holmer 2016-01-11 01:06:12 -05:00
parent 11e475ba15
commit acc0b6c5ac
1 changed files with 23 additions and 17 deletions
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40
src/png.rs
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@ -303,7 +303,7 @@ impl PngData {
2 => {
let mut data = Vec::with_capacity(line.data.len());
for (i, byte) in line.data.iter().enumerate() {
if last_line.len() > 0 {
if !last_line.is_empty() {
data.push(byte.wrapping_add(last_line[i]));
} else {
data.push(*byte);
@ -315,9 +315,11 @@ impl PngData {
3 => {
let mut data = Vec::with_capacity(line.data.len());
for (i, byte) in line.data.iter().enumerate() {
if last_line.len() > 0 {
if !last_line.is_empty() {
data.push(match i.checked_sub(bpp as usize) {
Some(x) => byte.wrapping_add(((line.data[x] as u16 + last_line[i] as u16) >> 1) as u8),
Some(x) => byte.wrapping_add(
((line.data[x] as u16 + last_line[i] as u16) >> 1) as u8
),
None => byte.wrapping_add(last_line[i] >> 1),
});
} else {
@ -333,7 +335,7 @@ impl PngData {
4 => {
let mut data = Vec::with_capacity(line.data.len());
for (i, byte) in line.data.iter().enumerate() {
if last_line.len() > 0 {
if !last_line.is_empty() {
data.push(match i.checked_sub(bpp as usize) {
Some(x) => {
byte.wrapping_add(paeth_predictor(line.data[x],
@ -374,7 +376,7 @@ impl PngData {
0 => {
let mut data = line.data.clone();
filtered.append(&mut data);
},
}
1 => {
for (i, byte) in line.data.iter().enumerate() {
filtered.push(match i.checked_sub(bpp as usize) {
@ -385,7 +387,7 @@ impl PngData {
}
2 => {
for (i, byte) in line.data.iter().enumerate() {
if last_line.len() > 0 {
if !last_line.is_empty() {
filtered.push(byte.wrapping_sub(last_line[i]));
} else {
filtered.push(*byte);
@ -394,9 +396,11 @@ impl PngData {
}
3 => {
for (i, byte) in line.data.iter().enumerate() {
if last_line.len() > 0 {
if !last_line.is_empty() {
filtered.push(match i.checked_sub(bpp as usize) {
Some(x) => byte.wrapping_sub(((line.data[x] as u16 + last_line[i] as u16) >> 1) as u8),
Some(x) => byte.wrapping_sub(
((line.data[x] as u16 + last_line[i] as u16) >> 1) as u8
),
None => byte.wrapping_sub(last_line[i] >> 1),
});
} else {
@ -409,7 +413,7 @@ impl PngData {
}
4 => {
for (i, byte) in line.data.iter().enumerate() {
if last_line.len() > 0 {
if !last_line.is_empty() {
filtered.push(match i.checked_sub(bpp as usize) {
Some(x) => {
byte.wrapping_sub(paeth_predictor(line.data[x],
@ -440,22 +444,24 @@ impl PngData {
let mut line_3 = Vec::with_capacity(line.data.len());
let mut line_4 = Vec::with_capacity(line.data.len());
for (i, byte) in line.data.iter().enumerate() {
if last_line.len() > 0 {
if !last_line.is_empty() {
match i.checked_sub(bpp as usize) {
Some(x) => {
line_1.push(byte.wrapping_sub(line.data[x]));
line_2.push(byte.wrapping_sub(last_line[i]));
line_3.push(byte.wrapping_sub(((line.data[x] as u16 + last_line[i] as u16) >> 1) as u8));
line_3.push(byte.wrapping_sub(
((line.data[x] as u16 + last_line[i] as u16) >> 1) as u8)
);
line_4.push(byte.wrapping_sub(paeth_predictor(line.data[x],
last_line[i],
last_line[x])));
},
last_line[i],
last_line[x])));
}
None => {
line_1.push(*byte);
line_2.push(byte.wrapping_sub(last_line[i]));
line_3.push(byte.wrapping_sub(last_line[i] >> 1));
line_4.push(byte.wrapping_sub(last_line[i]));
},
}
}
} else {
match i.checked_sub(bpp as usize) {
@ -464,13 +470,13 @@ impl PngData {
line_2.push(*byte);
line_3.push(byte.wrapping_sub(line.data[x] >> 1));
line_4.push(byte.wrapping_sub(line.data[x]));
},
}
None => {
line_1.push(*byte);
line_2.push(*byte);
line_3.push(*byte);
line_4.push(*byte);
},
}
}
};
}