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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:44:51 +0000 |
commit | 9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/2d/ImageScaling.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | gfx/2d/ImageScaling.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/gfx/2d/ImageScaling.h b/gfx/2d/ImageScaling.h new file mode 100644 index 0000000000..446b5287c6 --- /dev/null +++ b/gfx/2d/ImageScaling.h @@ -0,0 +1,84 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _MOZILLA_GFX_IMAGESCALING_H +#define _MOZILLA_GFX_IMAGESCALING_H + +#include "Types.h" + +#include <vector> +#include "Point.h" + +namespace mozilla { +namespace gfx { + +class ImageHalfScaler { + public: + ImageHalfScaler(uint8_t* aData, int32_t aStride, const IntSize& aSize) + : mOrigData(aData), + mOrigStride(aStride), + mOrigSize(aSize), + mDataStorage(nullptr), + mData(nullptr), + mStride(0) {} + + ~ImageHalfScaler() { delete[] mDataStorage; } + + void ScaleForSize(const IntSize& aSize); + + uint8_t* GetScaledData() const { return mData; } + IntSize GetSize() const { return mSize; } + uint32_t GetStride() const { return mStride; } + + private: + void HalfImage2D(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + void HalfImageVertical(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + void HalfImageHorizontal(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + + // This is our SSE2 scaling function. Our destination must always be 16-byte + // aligned and use a 16-byte aligned stride. + void HalfImage2D_SSE2(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + void HalfImageVertical_SSE2(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + void HalfImageHorizontal_SSE2(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + + void HalfImage2D_C(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + void HalfImageVertical_C(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + void HalfImageHorizontal_C(uint8_t* aSource, int32_t aSourceStride, + const IntSize& aSourceSize, uint8_t* aDest, + uint32_t aDestStride); + + uint8_t* mOrigData; + int32_t mOrigStride; + IntSize mOrigSize; + + uint8_t* mDataStorage; + // Guaranteed 16-byte aligned + uint8_t* mData; + IntSize mSize; + // Guaranteed 16-byte aligned + uint32_t mStride; +}; + +} // namespace gfx +} // namespace mozilla + +#endif |