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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 LAYOUT_SVG_CSSCLIPPATHINSTANCE_H_
#define LAYOUT_SVG_CSSCLIPPATHINSTANCE_H_
#include "gfxMatrix.h"
#include "gfxPoint.h"
#include "mozilla/gfx/2D.h"
#include "nsRect.h"
#include "nsStyleStruct.h"
class nsIFrame;
class gfxContext;
namespace mozilla {
class MOZ_STACK_CLASS CSSClipPathInstance {
using DrawTarget = gfx::DrawTarget;
using Path = gfx::Path;
using Rect = gfx::Rect;
public:
static void ApplyBasicShapeOrPathClip(gfxContext& aContext, nsIFrame* aFrame,
const gfxMatrix& aTransform);
static RefPtr<Path> CreateClipPathForFrame(gfx::DrawTarget* aDt,
nsIFrame* aFrame,
const gfxMatrix& aTransform);
// aPoint is in CSS pixels.
static bool HitTestBasicShapeOrPathClip(nsIFrame* aFrame,
const gfxPoint& aPoint);
static Maybe<Rect> GetBoundingRectForBasicShapeOrPathClip(
nsIFrame* aFrame, const StyleClipPath&);
private:
explicit CSSClipPathInstance(nsIFrame* aFrame, const StyleClipPath& aClipPath)
: mTargetFrame(aFrame), mClipPathStyle(aClipPath) {}
already_AddRefed<Path> CreateClipPath(DrawTarget* aDrawTarget,
const gfxMatrix& aTransform);
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);
already_AddRefed<Path> CreateClipPathPath(DrawTarget* aDrawTarget);
/**
* The frame for the element that is currently being clipped.
*/
nsIFrame* mTargetFrame;
const StyleClipPath& mClipPathStyle;
};
} // namespace mozilla
#endif // LAYOUT_SVG_CSSCLIPPATHINSTANCE_H_