зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.7 KiB
C++
58 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __NS_CSSCLIPPATHINSTANCE_H__
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#define __NS_CSSCLIPPATHINSTANCE_H__
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#include "nsStyleStruct.h"
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#include "nsRect.h"
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#include "mozilla/gfx/2D.h"
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class nsIFrame;
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class nsRenderingContext;
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namespace mozilla {
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class nsCSSClipPathInstance
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{
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typedef mozilla::gfx::DrawTarget DrawTarget;
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typedef mozilla::gfx::Path Path;
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public:
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static void ApplyBasicShapeClip(gfxContext& aContext,
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nsIFrame* aFrame);
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// aPoint is in CSS pixels.
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static bool HitTestBasicShapeClip(nsIFrame* aFrame,
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const gfxPoint& aPoint);
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private:
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explicit nsCSSClipPathInstance(nsIFrame* aFrame,
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const StyleClipPath aClipPathStyle)
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: mTargetFrame(aFrame)
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, mClipPathStyle(aClipPathStyle)
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{
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}
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already_AddRefed<Path> CreateClipPath(DrawTarget* aDrawTarget);
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already_AddRefed<Path> CreateClipPathCircle(DrawTarget* aDrawTarget,
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const nsRect& aRefBox);
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already_AddRefed<Path> CreateClipPathEllipse(DrawTarget* aDrawTarget,
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const nsRect& aRefBox);
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already_AddRefed<Path> CreateClipPathPolygon(DrawTarget* aDrawTarget,
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const nsRect& aRefBox);
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/**
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* The frame for the element that is currently being clipped.
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*/
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nsIFrame* mTargetFrame;
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StyleClipPath mClipPathStyle;
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};
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} // namespace mozilla
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#endif
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