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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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_image_OrientedImage_h
+#define mozilla_image_OrientedImage_h
+
+#include "ImageWrapper.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/RefPtr.h"
+#include "Orientation.h"
+
+namespace mozilla {
+namespace image {
+
+/**
+ * An Image wrapper that rotates and/or flips an image according to a specified
+ * Orientation.
+ *
+ * XXX(seth): There a known (performance, not correctness) issue with
+ * GetImageContainer. See the comments for that method for more information.
+ */
+class OrientedImage : public ImageWrapper
+{
+ typedef gfx::SourceSurface SourceSurface;
+
+public:
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_IMETHOD GetWidth(int32_t* aWidth) override;
+ NS_IMETHOD GetHeight(int32_t* aHeight) override;
+ NS_IMETHOD GetIntrinsicSize(nsSize* aSize) override;
+ NS_IMETHOD GetIntrinsicRatio(nsSize* aRatio) override;
+ NS_IMETHOD_(already_AddRefed<SourceSurface>)
+ GetFrame(uint32_t aWhichFrame, uint32_t aFlags) override;
+ NS_IMETHOD_(already_AddRefed<SourceSurface>)
+ GetFrameAtSize(const gfx::IntSize& aSize,
+ uint32_t aWhichFrame,
+ uint32_t aFlags) override;
+ NS_IMETHOD_(bool) IsImageContainerAvailable(layers::LayerManager* aManager,
+ uint32_t aFlags) override;
+ NS_IMETHOD_(already_AddRefed<layers::ImageContainer>)
+ GetImageContainer(layers::LayerManager* aManager,
+ uint32_t aFlags) override;
+ NS_IMETHOD_(DrawResult) Draw(gfxContext* aContext,
+ const nsIntSize& aSize,
+ const ImageRegion& aRegion,
+ uint32_t aWhichFrame,
+ gfx::SamplingFilter aSamplingFilter,
+ const Maybe<SVGImageContext>& aSVGContext,
+ uint32_t aFlags) override;
+ NS_IMETHOD_(nsIntRect) GetImageSpaceInvalidationRect(
+ const nsIntRect& aRect) override;
+ nsIntSize OptimalImageSizeForDest(const gfxSize& aDest,
+ uint32_t aWhichFrame,
+ gfx::SamplingFilter aSamplingFilter,
+ uint32_t aFlags) override;
+
+protected:
+ OrientedImage(Image* aImage, Orientation aOrientation)
+ : ImageWrapper(aImage)
+ , mOrientation(aOrientation)
+ { }
+
+ virtual ~OrientedImage() { }
+
+ gfxMatrix OrientationMatrix(const nsIntSize& aSize, bool aInvert = false);
+
+private:
+ Orientation mOrientation;
+
+ friend class ImageOps;
+};
+
+} // namespace image
+} // namespace mozilla
+
+#endif // mozilla_image_OrientedImage_h