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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 __NS_CSSCLIPPATHINSTANCE_H__
#define __NS_CSSCLIPPATHINSTANCE_H__
#include "nsStyleStruct.h"
#include "nsRect.h"
#include "mozilla/gfx/2D.h"
class nsIFrame;
class nsRenderingContext;
namespace mozilla {
class nsCSSClipPathInstance
{
typedef mozilla::gfx::DrawTarget DrawTarget;
typedef mozilla::gfx::Path Path;
public:
static void ApplyBasicShapeClip(gfxContext& aContext,
nsIFrame* aFrame);
// aPoint is in CSS pixels.
static bool HitTestBasicShapeClip(nsIFrame* aFrame,
const gfxPoint& aPoint);
private:
explicit nsCSSClipPathInstance(nsIFrame* aFrame,
const StyleClipPath aClipPathStyle)
: mTargetFrame(aFrame)
, mClipPathStyle(aClipPathStyle)
{
}
already_AddRefed<Path> CreateClipPath(DrawTarget* aDrawTarget);
already_AddRefed<Path> CreateClipPathCircle(DrawTarget* aDrawTarget,
const nsRect& aRefBox);
already_AddRefed<Path> CreateClipPathEllipse(DrawTarget* aDrawTarget,
const nsRect& aRefBox);
already_AddRefed<Path> CreateClipPathPolygon(DrawTarget* aDrawTarget,
const nsRect& aRefBox);
already_AddRefed<Path> CreateClipPathInset(DrawTarget* aDrawTarget,
const nsRect& aRefBox);
nsRect ComputeHTMLReferenceRect();
nsRect ComputeSVGReferenceRect();
/**
* The frame for the element that is currently being clipped.
*/
nsIFrame* mTargetFrame;
StyleClipPath mClipPathStyle;
};
} // namespace mozilla
#endif
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