Add a regression test for bad Type3 font glyphs.
Bug: pdfium:1341,chromium:966263
Change-Id: I9f5cf0b8a1fc427fc77e028ca73303ecae0284d0
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/69211
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/testing/resources/pixel/bug_966263.in b/testing/resources/pixel/bug_966263.in
new file mode 100644
index 0000000..bddf328
--- /dev/null
+++ b/testing/resources/pixel/bug_966263.in
@@ -0,0 +1,132 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+endobj
+{{object 2 0}} <<
+ /Type /Pages
+ /Count 1
+ /Kids [3 0 R]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 1 0 R
+ /Contents 4 0 R
+ /MediaBox [0 0 200 400]
+ /Resources <<
+ /ProcSet [/PDF /Text]
+ /Font <<
+ /F1 5 0 R
+ >>
+ >>
+>>
+endobj
+{{object 4 0}} <<
+ {{streamlen}}
+>>
+stream
+BT
+/F1 1 Tf
+1 0 0 1 20 55 Tm
+(ABCD)Tj
+ET
+endstream
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type3
+ /FontBBox [0 0 600 600]
+ /FontMatrix [1 0 0 -100 0 0]
+ /CharProcs <<
+ /CA 6 0 R
+ /CB 7 0 R
+ /CC 8 0 R
+ /CD 9 0 R
+ >>
+ /Encoding <<
+ /Type /Encoding
+ /Differences [65 /CA 66 /CB 67 /CC 68 /CD]
+ >>
+ /FirstChar 65
+ /LastChar 68
+ /Widths [18 1000 18 18]
+ /Resources <<
+ /ProcSet [/PDF /ImageB]
+ >>
+>>
+endobj
+{{object 6 0}} <<
+ {{streamlen}}
+>>
+stream
+q
+d0 0 0
+1 0 0 1 6 0 cm
+BI
+/W 1
+/H 1
+/BPC 1
+/IM true
+ID
+x
+EI
+Q
+endstream
+endobj
+{{object 7 0}} <<
+ {{streamlen}}
+>>
+stream
+q
+6 0 0 48 6 0 cm
+BI
+/W 6
+/H 48
+/BPC 1
+/IM true
+ID
+xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+EI
+Q
+endstream
+endobj
+{{object 8 0}} <<
+ {{streamlen}}
+>>
+stream
+q
+6 0 0 1 2147483570 0 cm
+BI
+/W 6
+/H 1
+/BPC 1
+/IM true
+ID
+x
+EI
+Q
+endstream
+endobj
+{{object 9 0}} <<
+ {{streamlen}}
+>>
+stream
+q
+1 0 0 6 0 21474834 cm
+BI
+/W 1
+/H 1
+/BPC 1
+/IM true
+ID
+x
+EI
+Q
+endstream
+endobj
+{{xref}}
+{{trailer}}
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_966263_expected.pdf.0.png b/testing/resources/pixel/bug_966263_expected.pdf.0.png
new file mode 100644
index 0000000..84650b6
--- /dev/null
+++ b/testing/resources/pixel/bug_966263_expected.pdf.0.png
Binary files differ
