The indent trigger was using .abs() which fired on both increased indent (non-indented → indented) AND decreased indent (indented → non-indented). This caused drop-cap style paragraphs (indented first line, flush-left continuation) to incorrectly split into two blocks. Per plan Phase 4.4 heuristic #2, indent change should only trigger when the current line is MORE indented (to the right, larger x0) than the block average - i.e., a new paragraph starting after non-indented text. It should NOT trigger for decreased indent (first line indented, rest flush-left). Fix: Remove .abs() and only check if line_x0 - block_avg_x0 > threshold. Tests: - test_indented_first_line_new_block: PASS (non-indented → indented splits) - test_indented_first_line_of_paragraph_not_split: PASS (drop cap stays together) - All 179 line module tests: PASS
36 lines
1.6 KiB
Rust
36 lines
1.6 KiB
Rust
use pdftract_core::document::parse_pdf_file;
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fn main() {
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let v1_path = std::path::Path::new("tests/fingerprint/fixtures/content_edit_one_glyph/v1.pdf");
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let v2_path = std::path::Path::new("tests/fingerprint/fixtures/content_edit_one_glyph/v2.pdf");
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println!("=== Parsing v1.pdf ===");
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let (fp1, _cat1, pages1, _resolver1) = parse_pdf_file(v1_path).unwrap();
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println!("v1 fingerprint: {}", fp1);
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println!("v1 pages: {}", pages1.len());
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if let Some(p) = pages1.first() {
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println!("v1 page 0 contents: {:?} ({} streams)", p.contents, p.contents.len());
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println!("v1 page 0 media_box: {:?}", p.media_box);
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}
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println!("\n=== Parsing v2.pdf ===");
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let (fp2, _cat2, pages2, _resolver2) = parse_pdf_file(v2_path).unwrap();
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println!("v2 fingerprint: {}", fp2);
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println!("v2 pages: {}", pages2.len());
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if let Some(p) = pages2.first() {
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println!("v2 page 0 contents: {:?} ({} streams)", p.contents, p.contents.len());
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println!("v2 page 0 media_box: {:?}", p.media_box);
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}
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println!("\n=== Comparing content refs ===");
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println!("v1 content ref: {:?}", pages1[0].contents.get(0));
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println!("v2 content ref: {:?}", pages2[0].contents.get(0));
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println!("Content refs equal: {}", pages1[0].contents == pages2[0].contents);
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println!("\n=== Re-parsing to verify ===");
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let (fp1_re, _, _, _) = parse_pdf_file(v1_path).unwrap();
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let (fp2_re, _, _, _) = parse_pdf_file(v2_path).unwrap();
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println!("v1 fingerprint (re-parsed): {}", fp1_re);
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println!("v2 fingerprint (re-parsed): {}", fp2_re);
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println!("Fingerprints equal: {}", fp1 == fp2);
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}
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