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fix(encoding): Fix CJK/Unicode encoding bug

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This commit is contained in:
Abimael Martell
2026-02-11 12:33:06 -08:00
parent 68643e0c37
commit 8d0ce9ea0a
3 changed files with 270 additions and 35 deletions
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src/extractor.rs
+3 -8
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@@ -39,7 +39,7 @@ fn parse_font_encoding(doc: &Document, font_dict: &lopdf::Dictionary) -> Option<
// Encoding can be a name or a dictionary
match encoding_obj {
Object::Name(name) => {
Object::Name(_name) => {
// Standard encoding name (e.g., MacRomanEncoding, WinAnsiEncoding)
// For standard encodings, we can use the standard tables
// But we still need to check for Differences
@@ -975,8 +975,6 @@ fn extract_form_xobject_text(
if in_text_block && !op.operands.is_empty() {
if let Ok(array) = op.operands[0].as_array() {
let mut combined_text = String::new();
// Track if the last item was a large spacing (potential word boundary)
let mut last_was_large_space = false;
for item in array {
// Check for spacing values
match item {
@@ -984,19 +982,15 @@ fn extract_form_xobject_text(
if *n < -200 && !combined_text.ends_with(' ') {
combined_text.push(' ');
}
last_was_large_space = *n < -200;
continue;
}
Object::Real(n) => {
if *n < -200.0 && !combined_text.ends_with(' ') {
combined_text.push(' ');
}
last_was_large_space = *n < -200.0;
continue;
}
_ => {
last_was_large_space = false;
}
_ => {}
}
if let Some(text) = extract_text_from_operand(
item,
@@ -1262,6 +1256,7 @@ pub fn is_italic_font(font_name: &str) -> bool {
}
/// Extract text from a text operand, handling encoding
#[allow(clippy::too_many_arguments)]
fn extract_text_from_operand(
obj: &Object,
doc: &Document,