2013-04-05 21:14:32 +00:00
|
|
|
/* -*- 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/. */
|
|
|
|
|
2015-05-15 03:52:05 +00:00
|
|
|
#ifndef mozilla_image_ClippedImage_h
|
|
|
|
#define mozilla_image_ClippedImage_h
|
2013-04-05 21:14:32 +00:00
|
|
|
|
|
|
|
#include "ImageWrapper.h"
|
2014-04-15 18:02:23 +00:00
|
|
|
#include "mozilla/gfx/2D.h"
|
2013-08-27 22:10:28 +00:00
|
|
|
#include "mozilla/Maybe.h"
|
2015-10-18 05:24:48 +00:00
|
|
|
#include "mozilla/RefPtr.h"
|
2015-10-17 10:53:28 +00:00
|
|
|
#include "mozilla/UniquePtr.h"
|
2013-04-05 21:14:32 +00:00
|
|
|
|
|
|
|
namespace mozilla {
|
|
|
|
namespace image {
|
|
|
|
|
2013-04-25 22:58:32 +00:00
|
|
|
class ClippedImageCachedSurface;
|
2013-04-05 21:14:32 +00:00
|
|
|
class DrawSingleTileCallback;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* An Image wrapper that clips an image against a rectangle. Right now only
|
|
|
|
* absolute coordinates in pixels are supported.
|
|
|
|
*
|
|
|
|
* XXX(seth): There a known (performance, not correctness) issue with
|
|
|
|
* GetImageContainer. See the comments for that method for more information.
|
|
|
|
*/
|
|
|
|
class ClippedImage : public ImageWrapper
|
|
|
|
{
|
2014-07-10 15:00:31 +00:00
|
|
|
typedef gfx::SourceSurface SourceSurface;
|
2014-04-15 18:02:23 +00:00
|
|
|
|
2013-04-05 21:14:32 +00:00
|
|
|
public:
|
2018-02-12 20:44:40 +00:00
|
|
|
NS_INLINE_DECL_REFCOUNTING_INHERITED(ClippedImage, ImageWrapper)
|
2013-04-05 21:14:32 +00:00
|
|
|
|
2015-03-21 16:28:04 +00:00
|
|
|
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;
|
2015-06-17 14:00:52 +00:00
|
|
|
NS_IMETHOD_(already_AddRefed<SourceSurface>)
|
2015-03-21 16:28:04 +00:00
|
|
|
GetFrame(uint32_t aWhichFrame, uint32_t aFlags) override;
|
2015-09-19 20:34:09 +00:00
|
|
|
NS_IMETHOD_(already_AddRefed<SourceSurface>)
|
|
|
|
GetFrameAtSize(const gfx::IntSize& aSize,
|
|
|
|
uint32_t aWhichFrame,
|
|
|
|
uint32_t aFlags) override;
|
2015-05-13 07:23:44 +00:00
|
|
|
NS_IMETHOD_(bool) IsImageContainerAvailable(layers::LayerManager* aManager,
|
|
|
|
uint32_t aFlags) override;
|
2015-03-18 02:40:16 +00:00
|
|
|
NS_IMETHOD_(already_AddRefed<layers::ImageContainer>)
|
|
|
|
GetImageContainer(layers::LayerManager* aManager,
|
2015-03-21 16:28:04 +00:00
|
|
|
uint32_t aFlags) override;
|
2017-11-17 11:45:26 +00:00
|
|
|
NS_IMETHOD_(bool)
|
|
|
|
IsImageContainerAvailableAtSize(layers::LayerManager* aManager,
|
|
|
|
const gfx::IntSize& aSize,
|
|
|
|
uint32_t aFlags) override;
|
|
|
|
NS_IMETHOD_(already_AddRefed<layers::ImageContainer>)
|
|
|
|
GetImageContainerAtSize(layers::LayerManager* aManager,
|
|
|
|
const gfx::IntSize& aSize,
|
2017-11-17 19:08:52 +00:00
|
|
|
const Maybe<SVGImageContext>& aSVGContext,
|
2017-11-17 11:45:26 +00:00
|
|
|
uint32_t aFlags) override;
|
2017-12-11 15:37:59 +00:00
|
|
|
NS_IMETHOD_(ImgDrawResult) Draw(gfxContext* aContext,
|
2015-02-04 21:50:56 +00:00
|
|
|
const nsIntSize& aSize,
|
|
|
|
const ImageRegion& aRegion,
|
|
|
|
uint32_t aWhichFrame,
|
2016-05-25 16:01:18 +00:00
|
|
|
gfx::SamplingFilter aSamplingFilter,
|
2015-02-04 21:50:56 +00:00
|
|
|
const Maybe<SVGImageContext>& aSVGContext,
|
2017-01-03 05:53:22 +00:00
|
|
|
uint32_t aFlags,
|
|
|
|
float aOpacity) override;
|
2015-03-21 16:28:04 +00:00
|
|
|
NS_IMETHOD RequestDiscard() override;
|
|
|
|
NS_IMETHOD_(Orientation) GetOrientation() override;
|
2015-04-04 19:57:00 +00:00
|
|
|
NS_IMETHOD_(nsIntRect) GetImageSpaceInvalidationRect(const nsIntRect& aRect)
|
|
|
|
override;
|
2014-07-28 21:27:40 +00:00
|
|
|
nsIntSize OptimalImageSizeForDest(const gfxSize& aDest,
|
|
|
|
uint32_t aWhichFrame,
|
2016-05-25 16:01:18 +00:00
|
|
|
gfx::SamplingFilter aSamplingFilter,
|
2015-03-21 16:28:04 +00:00
|
|
|
uint32_t aFlags) override;
|
2013-04-05 21:14:32 +00:00
|
|
|
|
|
|
|
protected:
|
2016-03-08 07:54:13 +00:00
|
|
|
ClippedImage(Image* aImage, nsIntRect aClip,
|
|
|
|
const Maybe<nsSize>& aSVGViewportSize);
|
2013-04-05 21:14:32 +00:00
|
|
|
|
2014-06-23 18:49:08 +00:00
|
|
|
virtual ~ClippedImage();
|
|
|
|
|
2013-04-05 21:14:32 +00:00
|
|
|
private:
|
2017-12-11 15:37:59 +00:00
|
|
|
Pair<ImgDrawResult, RefPtr<SourceSurface>>
|
2014-08-22 20:12:38 +00:00
|
|
|
GetFrameInternal(const nsIntSize& aSize,
|
|
|
|
const Maybe<SVGImageContext>& aSVGContext,
|
2014-04-15 18:02:23 +00:00
|
|
|
uint32_t aWhichFrame,
|
2017-01-03 05:53:22 +00:00
|
|
|
uint32_t aFlags,
|
|
|
|
float aOpacity);
|
2013-04-05 21:14:32 +00:00
|
|
|
bool ShouldClip();
|
2017-12-11 15:37:59 +00:00
|
|
|
ImgDrawResult DrawSingleTile(gfxContext* aContext,
|
2015-02-04 21:50:56 +00:00
|
|
|
const nsIntSize& aSize,
|
|
|
|
const ImageRegion& aRegion,
|
|
|
|
uint32_t aWhichFrame,
|
2016-05-25 16:01:18 +00:00
|
|
|
gfx::SamplingFilter aSamplingFilter,
|
2015-02-04 21:50:56 +00:00
|
|
|
const Maybe<SVGImageContext>& aSVGContext,
|
2017-01-03 05:53:22 +00:00
|
|
|
uint32_t aFlags,
|
|
|
|
float aOpacity);
|
2013-04-05 21:14:32 +00:00
|
|
|
|
2013-04-25 22:58:32 +00:00
|
|
|
// If we are forced to draw a temporary surface, we cache it here.
|
2015-10-17 10:53:28 +00:00
|
|
|
UniquePtr<ClippedImageCachedSurface> mCachedSurface;
|
2013-04-25 22:58:32 +00:00
|
|
|
|
2016-03-08 07:54:13 +00:00
|
|
|
nsIntRect mClip; // The region to clip to.
|
|
|
|
Maybe<bool> mShouldClip; // Memoized ShouldClip() if present.
|
|
|
|
Maybe<nsIntSize> mSVGViewportSize; // If we're clipping a VectorImage, this
|
|
|
|
// is the size of viewport of that image.
|
2013-04-05 21:14:32 +00:00
|
|
|
friend class DrawSingleTileCallback;
|
2013-04-05 21:14:34 +00:00
|
|
|
friend class ImageOps;
|
2013-04-05 21:14:32 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
} // namespace image
|
|
|
|
} // namespace mozilla
|
|
|
|
|
2015-05-15 03:52:05 +00:00
|
|
|
#endif // mozilla_image_ClippedImage_h
|