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Improve text-selection for Type3 fonts, using d0 operators, with empty /FontBBox-entries (issue 19624)

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For Type3 glyphs with `d1` operators it's easy to compute a fallback bounding box, however for `d0` the situation is more difficult.
Given that we nowadays compute the min/max of basic path-rendering operators on the worker-thread, we can utilize that by parsing these Type3 operatorLists to guess a more suitable fallback bounding box.
This commit is contained in:
Jonas Jenwald 2025-03-07 15:13:31 +01:00
parent b9e8844541
commit 0edfd29a3e
3 changed files with 51 additions and 9 deletions
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1
test/pdfs/issue19624.pdf.link Normal file
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@ -0,0 +1 @@
https://github.com/user-attachments/files/19126771/okm2500682934750615600.pdf

9
test/test_manifest.json
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@ -3921,6 +3921,15 @@
"link": true,
"type": "eq"
},
{
"id": "issue19624-text",
"file": "pdfs/issue19624.pdf",
"md5": "087ac2141dbfa218be833efcc143925a",
"rounds": 1,
"link": true,
"firstPage": 2,
"type": "text"
},
{
"id": "issue1127-text",
"file": "pdfs/issue1127.pdf",