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| author | Henrique Nakashima <hnakashima@chromium.org> | 2017-12-19 19:49:53 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-12-19 19:49:53 +0000 |
| commit | 30ef542b6f631f0ffbcd4110857e7c1a304a8a23 (patch) | |
| tree | ce65ed4325e46cbf1e3df2ed08e98c107259065b /core/fpdfapi/page/cpdf_shadingpattern.h | |
| parent | 58c2c144c5ac6a7397573d2f25d1ba9c79bc4f15 (diff) | |
| download | pdfium-30ef542b6f631f0ffbcd4110857e7c1a304a8a23.tar.xz | |
Add parameter validation to CPDF_ShadingPattern.
Check if the ColorSpace and the Function params are valid for the
shading type.
Bug: chromium:794990
Change-Id: I022e976e5489a6b325d95ad16eab056235a8944d
Reviewed-on: https://pdfium-review.googlesource.com/21450
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'core/fpdfapi/page/cpdf_shadingpattern.h')
| -rw-r--r-- | core/fpdfapi/page/cpdf_shadingpattern.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_shadingpattern.h b/core/fpdfapi/page/cpdf_shadingpattern.h index d0fafef0db..17b6e4bb8c 100644 --- a/core/fpdfapi/page/cpdf_shadingpattern.h +++ b/core/fpdfapi/page/cpdf_shadingpattern.h @@ -61,6 +61,12 @@ class CPDF_ShadingPattern : public CPDF_Pattern { } private: + // Constraints in PDF 1.7 spec, 4.6.3 Shading Patterns, pages 308-331. + bool Validate() const; + bool ValidateFunctions(uint32_t nExpectedNumFunctions, + uint32_t nExpectedNumInputs, + uint32_t nExpectedNumOutputs) const; + ShadingType m_ShadingType; bool m_bShadingObj; UnownedPtr<CPDF_Object> m_pShadingObj; |