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author | Lei Zhang <thestig@chromium.org> | 2017-12-04 14:35:05 +0000 |
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committer | Chromium commit bot <commit-bot@chromium.org> | 2017-12-04 14:35:05 +0000 |
commit | c5bfeec86aa70c2ec573c183bd3a8390a3d903e6 (patch) | |
tree | 9a38cfd045c8b2172e52f61e573bcb70201bd95d /core/fxge/dib/cfx_imagetransformer.h | |
parent | 8509d3eaec1b2fac27a24de7bc586ad12b7bb178 (diff) | |
download | pdfium-c5bfeec86aa70c2ec573c183bd3a8390a3d903e6.tar.xz |
Add functions for common code in CFX_ImageTransformer.
Change-Id: I556934f61f24883e684865e4a8fc5e0519248cee
Reviewed-on: https://pdfium-review.googlesource.com/20251
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fxge/dib/cfx_imagetransformer.h')
-rw-r--r-- | core/fxge/dib/cfx_imagetransformer.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/core/fxge/dib/cfx_imagetransformer.h b/core/fxge/dib/cfx_imagetransformer.h index 40d51ec2a1..dcda687d42 100644 --- a/core/fxge/dib/cfx_imagetransformer.h +++ b/core/fxge/dib/cfx_imagetransformer.h @@ -32,6 +32,21 @@ class CFX_ImageTransformer { RetainPtr<CFX_DIBitmap> DetachBitmap(); private: + bool IsBilinear() const { + return !(m_Flags & FXDIB_DOWNSAMPLE) && !IsBiCubic(); + } + bool IsBiCubic() const { return !!(m_Flags & FXDIB_BICUBIC_INTERPOL); } + + int stretch_width() const { return m_StretchClip.Width(); } + int stretch_height() const { return m_StretchClip.Height(); } + + bool InStretchBounds(int col, int row) const { + return col >= 0 && col <= stretch_width() && row >= 0 && + row <= stretch_height(); + } + + void AdjustCoords(int* col, int* row) const; + const RetainPtr<CFX_DIBSource> m_pSrc; UnownedPtr<const CFX_Matrix> const m_pMatrix; const FX_RECT* const m_pClip; |