LCOV - code coverage report
Current view: directory - image/src - VectorImage.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 0 0.0 %
Date: 2012-06-02 Functions: 1 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * the Mozilla Foundation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Daniel Holbert <dholbert@mozilla.com>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : 
      39                 : #ifndef mozilla_imagelib_VectorImage_h_
      40                 : #define mozilla_imagelib_VectorImage_h_
      41                 : 
      42                 : #include "Image.h"
      43                 : #include "nsIStreamListener.h"
      44                 : #include "nsWeakReference.h"
      45                 : #include "mozilla/TimeStamp.h"
      46                 : 
      47                 : class imgIDecoderObserver;
      48                 : 
      49                 : namespace mozilla {
      50                 : namespace layers {
      51                 : class LayerManager;
      52                 : class ImageContainer;
      53                 : }
      54                 : namespace image {
      55                 : 
      56                 : class SVGDocumentWrapper;
      57                 : class SVGRootRenderingObserver;
      58                 : 
      59                 : class VectorImage : public Image,
      60                 :                     public nsIStreamListener
      61                 : {
      62                 : public:
      63                 :   NS_DECL_ISUPPORTS
      64                 :   NS_DECL_NSIREQUESTOBSERVER
      65                 :   NS_DECL_NSISTREAMLISTENER
      66                 : 
      67                 :   // BEGIN NS_DECL_IMGICONTAINER (minus GetAnimationMode/SetAnimationMode)
      68                 :   // ** Don't edit this chunk except to mirror changes in imgIContainer.idl **
      69                 :   NS_SCRIPTABLE NS_IMETHOD GetWidth(PRInt32 *aWidth);
      70                 :   NS_SCRIPTABLE NS_IMETHOD GetHeight(PRInt32 *aHeight);
      71                 :   NS_SCRIPTABLE NS_IMETHOD GetType(PRUint16 *aType);
      72                 :   NS_IMETHOD_(PRUint16) GetType(void);
      73                 :   NS_SCRIPTABLE NS_IMETHOD GetAnimated(bool *aAnimated);
      74                 :   NS_SCRIPTABLE NS_IMETHOD GetCurrentFrameIsOpaque(bool *aCurrentFrameIsOpaque);
      75                 :   NS_IMETHOD GetFrame(PRUint32 aWhichFrame, PRUint32 aFlags, gfxASurface **_retval NS_OUTPARAM);
      76               0 :   NS_IMETHOD GetImageContainer(mozilla::layers::ImageContainer **_retval NS_OUTPARAM) { *_retval = NULL; return NS_OK; }
      77                 :   NS_IMETHOD CopyFrame(PRUint32 aWhichFrame, PRUint32 aFlags, gfxImageSurface **_retval NS_OUTPARAM);
      78                 :   NS_IMETHOD ExtractFrame(PRUint32 aWhichFrame, const nsIntRect & aRect, PRUint32 aFlags, imgIContainer **_retval NS_OUTPARAM);
      79                 :   NS_IMETHOD Draw(gfxContext *aContext, gfxPattern::GraphicsFilter aFilter, const gfxMatrix & aUserSpaceToImageSpace, const gfxRect & aFill, const nsIntRect & aSubimage, const nsIntSize & aViewportSize, PRUint32 aFlags);
      80                 :   NS_IMETHOD_(nsIFrame *) GetRootLayoutFrame(void);
      81                 :   NS_SCRIPTABLE NS_IMETHOD RequestDecode(void);
      82                 :   NS_SCRIPTABLE NS_IMETHOD LockImage(void);
      83                 :   NS_SCRIPTABLE NS_IMETHOD UnlockImage(void);
      84                 :   NS_SCRIPTABLE NS_IMETHOD RequestDiscard(void);
      85                 :   NS_SCRIPTABLE NS_IMETHOD ResetAnimation(void);
      86                 :   NS_IMETHOD_(void) RequestRefresh(const mozilla::TimeStamp& aTime);
      87                 :   // END NS_DECL_IMGICONTAINER
      88                 : 
      89                 :   VectorImage(imgStatusTracker* aStatusTracker = nsnull);
      90                 :   virtual ~VectorImage();
      91                 : 
      92                 :   // Methods inherited from Image
      93                 :   nsresult Init(imgIDecoderObserver* aObserver,
      94                 :                 const char* aMimeType,
      95                 :                 const char* aURIString,
      96                 :                 PRUint32 aFlags);
      97                 :   void GetCurrentFrameRect(nsIntRect& aRect);
      98                 : 
      99                 :   virtual size_t HeapSizeOfSourceWithComputedFallback(nsMallocSizeOfFun aMallocSizeOf) const;
     100                 :   virtual size_t HeapSizeOfDecodedWithComputedFallback(nsMallocSizeOfFun aMallocSizeOf) const;
     101                 :   virtual size_t NonHeapSizeOfDecoded() const;
     102                 :   virtual size_t OutOfProcessSizeOfDecoded() const;
     103                 : 
     104                 :   // Callback for SVGRootRenderingObserver
     105                 :   void InvalidateObserver();
     106                 : 
     107                 : protected:
     108                 :   virtual nsresult StartAnimation();
     109                 :   virtual nsresult StopAnimation();
     110                 :   virtual bool     ShouldAnimate();
     111                 : 
     112                 : private:
     113                 :   nsWeakPtr                          mObserver;   //! imgIDecoderObserver
     114                 :   nsRefPtr<SVGDocumentWrapper>       mSVGDocumentWrapper;
     115                 :   nsRefPtr<SVGRootRenderingObserver> mRenderingObserver;
     116                 : 
     117                 :   nsIntRect      mRestrictedRegion;       // If we were created by
     118                 :                                           // ExtractFrame, this is the region
     119                 :                                           // that we're restricted to using.
     120                 :                                           // Otherwise, this is ignored.
     121                 : 
     122                 :   nsIntSize      mLastRenderedSize;       // The viewport-size that we've
     123                 :                                           // most recently passed to
     124                 :                                           // mSVGDocumentWrapper as its
     125                 :                                           // viewport-bounds.
     126                 : 
     127                 :   bool           mIsInitialized:1;        // Have we been initalized?
     128                 :   bool           mIsFullyLoaded:1;        // Has OnStopRequest been called?
     129                 :   bool           mIsDrawing:1;            // Are we currently drawing?
     130                 :   bool           mHaveAnimations:1;       // Is our SVG content SMIL-animated?
     131                 :                                           // (Only set after mIsFullyLoaded.)
     132                 :   bool           mHaveRestrictedRegion:1; // Are we a restricted-region clone
     133                 :                                           // created via ExtractFrame?
     134                 : };
     135                 : 
     136                 : } // namespace image
     137                 : } // namespace mozilla
     138                 : 
     139                 : #endif // mozilla_imagelib_VectorImage_h_

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