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authorJun Fang <jun_fang@foxitsoftware.com>2015-09-25 20:32:46 -0700
committerJun Fang <jun_fang@foxitsoftware.com>2015-09-25 20:32:46 -0700
commit9bd18183ba8210c91d71c3060146235750a4c71c (patch)
treee1950c29e9e295dd247a0edc5ed8d490e18800d8 /testing/resources
parent163f59b9a0b019539e9a463ec183c964e7317d5b (diff)
downloadpdfium-9bd18183ba8210c91d71c3060146235750a4c71c.tar.xz
Fix the issue that pdfium swallows 'fi' or 'ff' in some pdf files
Pdfium swallows 'fi' or 'ff' in some tested files because it doesn't load the embedded font file correctly. The root cause is that there is incorrect keyword like 'ngendstream' in the stream of the embedded font file. Pdfium tries to find another correct keyword but uses wrong offset rather than accumulated offset. BUG=524043 R=thestig@chromium.org, tsepez@chromium.org Review URL: https://codereview.chromium.org/1307353005 .
Diffstat (limited to 'testing/resources')
-rw-r--r--testing/resources/pixel/bug_524043_1.in61
-rw-r--r--testing/resources/pixel/bug_524043_1_expected.pdf.0.pngbin0 -> 5433 bytes
-rw-r--r--testing/resources/pixel/bug_524043_2.in62
-rw-r--r--testing/resources/pixel/bug_524043_2_expected.pdf.0.pngbin0 -> 2237 bytes
-rw-r--r--testing/resources/pixel/bug_524043_3.in62
-rw-r--r--testing/resources/pixel/bug_524043_3_expected.pdf.0.pngbin0 -> 5433 bytes
-rw-r--r--testing/resources/pixel/bug_524043_4.in61
-rw-r--r--testing/resources/pixel/bug_524043_4_expected.pdf.0.pngbin0 -> 5433 bytes
-rw-r--r--testing/resources/pixel/bug_524043_5.in61
-rw-r--r--testing/resources/pixel/bug_524043_5_expected.pdf.0.pngbin0 -> 5433 bytes
-rw-r--r--testing/resources/pixel/bug_524043_6.in60
-rw-r--r--testing/resources/pixel/bug_524043_6_expected.pdf.0.pngbin0 -> 590 bytes
-rw-r--r--testing/resources/pixel/bug_524043_7.in61
-rw-r--r--testing/resources/pixel/bug_524043_7_expected.pdf.0.pngbin0 -> 2237 bytes
14 files changed, 428 insertions, 0 deletions
diff --git a/testing/resources/pixel/bug_524043_1.in b/testing/resources/pixel/bug_524043_1.in
new file mode 100644
index 0000000000..61ac6f4bb2
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_1.in
@@ -0,0 +1,61 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+{{object 2 0}} <<
+ /Type /Pages
+ /MediaBox [ 0 0 200 200 ]
+ /Count 1
+ /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /Resources <<
+ /Font <<
+ /F1 4 0 R
+ /F2 5 0 R
+ >>
+ >>
+ /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Helvetica
+>>
+endobj
+% Case 1:
+% /Length identifies intended end of stream, despite embedded keywords.
+% Both should render as text.
+{{object 6 0}} <<
+ /Length 107
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(endobj is text) Tj
+endstream
+0 50 Td
+/F2 13 Tf
+(endstream is text per /Length) Tj
+ET
+endstream
+endobj
+{{xref}}
+trailer <<
+ /Size 6
+ /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_524043_1_expected.pdf.0.png b/testing/resources/pixel/bug_524043_1_expected.pdf.0.png
new file mode 100644
index 0000000000..a044bb0c37
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_1_expected.pdf.0.png
Binary files differ
diff --git a/testing/resources/pixel/bug_524043_2.in b/testing/resources/pixel/bug_524043_2.in
new file mode 100644
index 0000000000..0ee43da106
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_2.in
@@ -0,0 +1,62 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+{{object 2 0}} <<
+ /Type /Pages
+ /MediaBox [ 0 0 200 200 ]
+ /Count 1
+ /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /Resources <<
+ /Font <<
+ /F1 4 0 R
+ /F2 5 0 R
+ >>
+ >>
+ /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Helvetica
+>>
+endobj
+% Case 2:
+% /Length incorrectly identifies middle of stream.
+% The stream is blocked by the keyword "endstream"
+% Only the text before the keyword can be rendered.
+{{object 6 0}} <<
+ /Length 87
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(endobj is text) Tj
+endstream
+0 50 Td
+/F2 13 Tf
+(It's wrong when you see the text!) Tj
+ET
+endstream
+endobj
+{{xref}}
+trailer <<
+ /Size 6
+ /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_524043_2_expected.pdf.0.png b/testing/resources/pixel/bug_524043_2_expected.pdf.0.png
new file mode 100644
index 0000000000..19de52a360
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_2_expected.pdf.0.png
Binary files differ
diff --git a/testing/resources/pixel/bug_524043_3.in b/testing/resources/pixel/bug_524043_3.in
new file mode 100644
index 0000000000..716345ede1
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_3.in
@@ -0,0 +1,62 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+{{object 2 0}} <<
+ /Type /Pages
+ /MediaBox [ 0 0 200 200 ]
+ /Count 1
+ /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /Resources <<
+ /Font <<
+ /F1 4 0 R
+ /F2 5 0 R
+ >>
+ >>
+ /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Helvetica
+>>
+endobj
+% Case 3:
+% /Length incorrectly identifies middle of stream.
+% "eendstream" shouldn't block the stream.
+% Both should render as text.
+{{object 6 0}} <<
+ /Length 87
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(endobj is text) Tj
+eendstream
+0 50 Td
+/F2 13 Tf
+(endstream is text per /Length) Tj
+ET
+endstream
+endobj
+{{xref}}
+trailer <<
+ /Size 6
+ /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_524043_3_expected.pdf.0.png b/testing/resources/pixel/bug_524043_3_expected.pdf.0.png
new file mode 100644
index 0000000000..a044bb0c37
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_3_expected.pdf.0.png
Binary files differ
diff --git a/testing/resources/pixel/bug_524043_4.in b/testing/resources/pixel/bug_524043_4.in
new file mode 100644
index 0000000000..6cdb3d18a7
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_4.in
@@ -0,0 +1,61 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+{{object 2 0}} <<
+ /Type /Pages
+ /MediaBox [ 0 0 200 200 ]
+ /Count 1
+ /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /Resources <<
+ /Font <<
+ /F1 4 0 R
+ /F2 5 0 R
+ >>
+ >>
+ /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Helvetica
+>>
+endobj
+% Case 4:
+% /Length incorrectly identifies middle of stream.
+% "endstream." shouldn't block the stream.
+% Both should render as text even "endstream" is missing.
+{{object 6 0}} <<
+ /Length 87
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(endobj is text) Tj
+endstream.
+0 50 Td
+/F2 13 Tf
+(endstream is text per /Length) Tj
+ET
+endobj
+{{xref}}
+trailer <<
+ /Size 6
+ /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_524043_4_expected.pdf.0.png b/testing/resources/pixel/bug_524043_4_expected.pdf.0.png
new file mode 100644
index 0000000000..a044bb0c37
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_4_expected.pdf.0.png
Binary files differ
diff --git a/testing/resources/pixel/bug_524043_5.in b/testing/resources/pixel/bug_524043_5.in
new file mode 100644
index 0000000000..799674628d
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_5.in
@@ -0,0 +1,61 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+{{object 2 0}} <<
+ /Type /Pages
+ /MediaBox [ 0 0 200 200 ]
+ /Count 1
+ /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /Resources <<
+ /Font <<
+ /F1 4 0 R
+ /F2 5 0 R
+ >>
+ >>
+ /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Helvetica
+>>
+endobj
+% Case 5:
+% /Length incorrectly identifies middle of stream.
+% "endstream%" shouldn't block the stream.
+% Both should render as text even "endobj" is missing.
+{{object 6 0}} <<
+ /Length 87
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(endobj is text) Tj
+endstream%
+0 50 Td
+/F2 13 Tf
+(endstream is text per /Length) Tj
+ET
+endstream
+{{xref}}
+trailer <<
+ /Size 6
+ /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_524043_5_expected.pdf.0.png b/testing/resources/pixel/bug_524043_5_expected.pdf.0.png
new file mode 100644
index 0000000000..a044bb0c37
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_5_expected.pdf.0.png
Binary files differ
diff --git a/testing/resources/pixel/bug_524043_6.in b/testing/resources/pixel/bug_524043_6.in
new file mode 100644
index 0000000000..318b20750d
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_6.in
@@ -0,0 +1,60 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+{{object 2 0}} <<
+ /Type /Pages
+ /MediaBox [ 0 0 200 200 ]
+ /Count 1
+ /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /Resources <<
+ /Font <<
+ /F1 4 0 R
+ /F2 5 0 R
+ >>
+ >>
+ /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Helvetica
+>>
+endobj
+% Case 6:
+% /Length incorrectly identifies middle of stream.
+% "endstream+" shouldn't block the stream.
+% Nothing will be rendered when both "endstream" and "endobj" are missing.
+{{object 6 0}} <<
+ /Length 87
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(endobj is text) Tj
+endstream+
+0 50 Td
+/F2 13 Tf
+(endstream is text per /Length) Tj
+ET
+{{xref}}
+trailer <<
+ /Size 6
+ /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_524043_6_expected.pdf.0.png b/testing/resources/pixel/bug_524043_6_expected.pdf.0.png
new file mode 100644
index 0000000000..3edcc2db89
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_6_expected.pdf.0.png
Binary files differ
diff --git a/testing/resources/pixel/bug_524043_7.in b/testing/resources/pixel/bug_524043_7.in
new file mode 100644
index 0000000000..c95f2d94e1
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_7.in
@@ -0,0 +1,61 @@
+{{header}}
+{{object 1 0}} <<
+ /Type /Catalog
+ /Pages 2 0 R
+>>
+{{object 2 0}} <<
+ /Type /Pages
+ /MediaBox [ 0 0 200 200 ]
+ /Count 1
+ /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+ /Type /Page
+ /Parent 2 0 R
+ /Resources <<
+ /Font <<
+ /F1 4 0 R
+ /F2 5 0 R
+ >>
+ >>
+ /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+ /Type /Font
+ /Subtype /Type1
+ /BaseFont /Helvetica
+>>
+endobj
+% Case 7:
+% /Length incorrectly identifies middle of stream.
+% "endstream" will block the stream.
+% The text before the keyword "endstream" can be rendered although
+% both "endstream" and "endobj" are missing at the end of stream.
+{{object 6 0}} <<
+ /Length 87
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(endobj is text) Tj
+endstream
+0 50 Td
+/F2 13 Tf
+(endstream is text per /Length) Tj
+ET
+{{xref}}
+trailer <<
+ /Size 6
+ /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_524043_7_expected.pdf.0.png b/testing/resources/pixel/bug_524043_7_expected.pdf.0.png
new file mode 100644
index 0000000000..19de52a360
--- /dev/null
+++ b/testing/resources/pixel/bug_524043_7_expected.pdf.0.png
Binary files differ