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Merge pull request #21383 from calixteman/ko_inner_bd

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Add knockout_inner_backdrop ref test
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Tim van der Meij 2026-06-04 20:41:50 +02:00 committed by GitHub
commit 7f15bd6591
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3 changed files with 67 additions and 0 deletions
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1
test/pdfs/.gitignore vendored
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@ -17,6 +17,7 @@
!issue18408_reduced.pdf
!bug1907000_reduced.pdf
!knockout_blend_multiply.pdf
!knockout_inner_backdrop.pdf
!knockout_isolated_overlap.pdf
!knockout_nested.pdf
!knockout_nested_group_alpha.pdf

58
test/pdfs/knockout_inner_backdrop.pdf Normal file
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@ -0,0 +1,58 @@
%PDF-1.7
%âãÏÓ
1 0 obj
<< /Type /Catalog /Pages 2 0 R >>
endobj
2 0 obj
<< /Type /Pages /Kids [3 0 R] /Count 1 >>
endobj
3 0 obj
<< /Type /Page /Parent 2 0 R /MediaBox [0 0 200 200] /Resources << /XObject << /OuterGroup 5 0 R >> >> /Contents 4 0 R >>
endobj
4 0 obj
<< /Length 19 >>
stream
q
/OuterGroup Do
Q
endstream
endobj
5 0 obj
<< /Type /XObject /Subtype /Form /FormType 1 /BBox [0 0 200 200] /Group << /Type /Group /S /Transparency /K true /I true >> /Resources << /XObject << /InnerGroup 6 0 R >> >> /Length 41 >>
stream
0 0 1 rg
0 0 200 200 re f
/InnerGroup Do
endstream
endobj
6 0 obj
<< /Type /XObject /Subtype /Form /FormType 1 /BBox [0 0 200 200] /Group << /Type /Group /S /Transparency /K false /I false >> /Resources << /ExtGState << /GSM 7 0 R >> >> /Length 64 >>
stream
/GSM gs
1 0 0 rg
20 20 130 130 re f
0 1 0 rg
50 50 130 130 re f
endstream
endobj
7 0 obj
<< /Type /ExtGState /BM /Multiply >>
endobj
xref
0 8
0000000000 65535 f
0000000015 00000 n
0000000064 00000 n
0000000121 00000 n
0000000258 00000 n
0000000327 00000 n
0000000589 00000 n
0000000871 00000 n
trailer
<< /Size 8 /Root 1 0 R >>
startxref
923
%%EOF

8
test/test_manifest.json
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@ -6832,6 +6832,14 @@
"type": "eq",
"about": "Non-isolated knockout group with a Multiply blend mode element on a yellow backdrop; the element must blend against the backdrop, not against a transparent temp canvas."
},
{
"id": "knockout_inner_backdrop",
"file": "pdfs/knockout_inner_backdrop.pdf",
"md5": "4b3b77319b9b2c6e6f1836c121f488c7",
"rounds": 1,
"type": "eq",
"about": "Non-isolated, non-knockout subgroup that needs isolation (Multiply blend mode in its content) nested inside a knockout group; the subgroup's elements must blend against its own initial backdrop while its transparent areas leave the parent untouched."
},
{
"id": "issue6010_1",
"file": "pdfs/issue6010_1.pdf",