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| author | thestig <thestig@chromium.org> | 2016-09-29 09:46:38 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2016-09-29 09:46:38 -0700 |
| commit | f7a0d695b7e4f7b0dede23605ef449145aaa6d5a (patch) | |
| tree | f0f135ab9dbaff62e6f287d4d4207dd8ef293597 | |
| parent | 561867e2b95a3872c2aed3b74a7e918816d56851 (diff) | |
| download | pdfium-f7a0d695b7e4f7b0dede23605ef449145aaa6d5a.tar.xz | |
Check for negative page size in FindTextlineFlowOrientation()
BUG=pdfium:606
Review-Url: https://codereview.chromium.org/2378373002
| -rw-r--r-- | core/fpdftext/cpdf_textpage.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/fpdftext/cpdf_textpage.cpp b/core/fpdftext/cpdf_textpage.cpp index d88464bfc4..b6eb87eea1 100644 --- a/core/fpdftext/cpdf_textpage.cpp +++ b/core/fpdftext/cpdf_textpage.cpp @@ -507,6 +507,9 @@ CPDF_TextPage::TextOrientation CPDF_TextPage::FindTextlineFlowOrientation() const int32_t nPageWidth = static_cast<int32_t>(m_pPage->GetPageWidth()); const int32_t nPageHeight = static_cast<int32_t>(m_pPage->GetPageHeight()); + if (nPageWidth <= 0 || nPageHeight <= 0) + return TextOrientation::Unknown; + std::vector<bool> nHorizontalMask(nPageWidth); std::vector<bool> nVerticalMask(nPageHeight); FX_FLOAT fLineHeight = 0.0f; |