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Add BGI Image decode support

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Fix DSC decompress
This commit is contained in:
lifegpc
2025-06-12 21:52:01 +08:00
parent 8bed66d4f1
commit 242d501af5
13 changed files with 395 additions and 14 deletions
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4
src/ext/io.rs
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@@ -1040,14 +1040,14 @@ impl<'a> CPeek for MemReaderRef<'a> {
fn cpeek(&self, buf: &mut [u8]) -> Result<usize> {
let len = self.data.len();
let bytes_to_read = std::cmp::min(buf.len(), len - self.pos);
buf.copy_from_slice(&self.data[self.pos..self.pos + bytes_to_read]);
buf[..bytes_to_read].copy_from_slice(&self.data[self.pos..self.pos + bytes_to_read]);
Ok(bytes_to_read)
}
fn cpeek_at(&self, offset: usize, buf: &mut [u8]) -> Result<usize> {
let len = self.data.len();
let bytes_to_read = std::cmp::min(buf.len(), len - offset);
buf.copy_from_slice(&self.data[offset..offset + bytes_to_read]);
buf[..bytes_to_read].copy_from_slice(&self.data[offset..offset + bytes_to_read]);
Ok(bytes_to_read)
}
}