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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:44:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:44:51 +0000
commit9e3c08db40b8916968b9f30096c7be3f00ce9647 (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/2d/ImageScaling.h
parentInitial commit. (diff)
downloadthunderbird-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.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/gfx/2d/ImageScaling.h b/gfx/2d/ImageScaling.h
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+++ b/gfx/2d/ImageScaling.h
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+/* -*- 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