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| author | Lei Zhang <thestig@chromium.org> | 2018-04-27 16:54:28 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-04-27 16:54:28 +0000 |
| commit | 61f66c9be2abf4f2a5f8bc299ad6e1900c63dbc3 (patch) | |
| tree | 4dc0116df63dce8414b8c08c272e5d0878ed8f03 /core/fxcodec/jbig2/JBig2_Image.cpp | |
| parent | 0e3635c59e79e8ca782412fa1bcf377c7c4f980e (diff) | |
| download | pdfium-61f66c9be2abf4f2a5f8bc299ad6e1900c63dbc3.tar.xz | |
Add CJBig2_Image::IsValidImageSize() helper method.
Change-Id: Ic2acd6f03b9b2e52b3d94d7579d5dc36c8e62c96
Reviewed-on: https://pdfium-review.googlesource.com/31530
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fxcodec/jbig2/JBig2_Image.cpp')
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_Image.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_Image.cpp b/core/fxcodec/jbig2/JBig2_Image.cpp index d229e0ca01..7a01d01d64 100644 --- a/core/fxcodec/jbig2/JBig2_Image.cpp +++ b/core/fxcodec/jbig2/JBig2_Image.cpp @@ -68,6 +68,12 @@ CJBig2_Image::CJBig2_Image(const CJBig2_Image& other) CJBig2_Image::~CJBig2_Image() {} +// static +bool CJBig2_Image::IsValidImageSize(int32_t w, int32_t h) { + return w > 0 && w <= JBIG2_MAX_IMAGE_SIZE && h > 0 && + h <= JBIG2_MAX_IMAGE_SIZE; +} + int CJBig2_Image::getPixel(int32_t x, int32_t y) const { if (!m_pData) return 0; |