Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef __NS_CSSCLIPPATHINSTANCE_H__
       7             : #define __NS_CSSCLIPPATHINSTANCE_H__
       8             : 
       9             : #include "nsStyleStruct.h"
      10             : #include "nsRect.h"
      11             : #include "mozilla/gfx/2D.h"
      12             : 
      13             : class nsIFrame;
      14             : class gfxContext;
      15             : 
      16             : namespace mozilla {
      17             : 
      18           0 : class nsCSSClipPathInstance
      19             : {
      20             :   typedef mozilla::gfx::DrawTarget DrawTarget;
      21             :   typedef mozilla::gfx::Path Path;
      22             : 
      23             : public:
      24             :   static void ApplyBasicShapeClip(gfxContext& aContext,
      25             :                                   nsIFrame* aFrame);
      26             :   // aPoint is in CSS pixels.
      27             :   static bool HitTestBasicShapeClip(nsIFrame* aFrame,
      28             :                                     const gfxPoint& aPoint);
      29             : private:
      30           0 :   explicit nsCSSClipPathInstance(nsIFrame* aFrame,
      31             :                                  const StyleShapeSource aClipPathStyle)
      32           0 :     : mTargetFrame(aFrame)
      33           0 :     , mClipPathStyle(aClipPathStyle)
      34             :   {
      35           0 :   }
      36             : 
      37             :   already_AddRefed<Path> CreateClipPath(DrawTarget* aDrawTarget);
      38             : 
      39             :   already_AddRefed<Path> CreateClipPathCircle(DrawTarget* aDrawTarget,
      40             :                                               const nsRect& aRefBox);
      41             : 
      42             :   already_AddRefed<Path> CreateClipPathEllipse(DrawTarget* aDrawTarget,
      43             :                                                const nsRect& aRefBox);
      44             : 
      45             :   already_AddRefed<Path> CreateClipPathPolygon(DrawTarget* aDrawTarget,
      46             :                                                const nsRect& aRefBox);
      47             : 
      48             :   already_AddRefed<Path> CreateClipPathInset(DrawTarget* aDrawTarget,
      49             :                                              const nsRect& aRefBox);
      50             : 
      51             : 
      52             :   /**
      53             :    * The frame for the element that is currently being clipped.
      54             :    */
      55             :   nsIFrame* mTargetFrame;
      56             :   StyleShapeSource mClipPathStyle;
      57             : };
      58             : 
      59             : } // namespace mozilla
      60             : 
      61             : #endif