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/. */
6 #ifndef mozilla_image_AutoRestoreSVGState_h
7 #define mozilla_image_AutoRestoreSVGState_h
9 #include "mozilla/Attributes.h"
10 #include "mozilla/AutoRestore.h"
11 #include "mozilla/SVGContextPaint.h"
12 #include "mozilla/dom/SVGSVGElement.h"
13 #include "SVGDrawingParameters.h"
14 #include "SVGDocumentWrapper.h"
19 class MOZ_STACK_CLASS AutoRestoreSVGState final
{
21 AutoRestoreSVGState(const SVGDrawingParameters
& aParams
,
22 SVGDocumentWrapper
* aSVGDocumentWrapper
,
24 : AutoRestoreSVGState(aParams
.svgContext
, aParams
.animationTime
,
25 aSVGDocumentWrapper
, aContextPaint
) {}
27 AutoRestoreSVGState(const Maybe
<SVGImageContext
>& aSVGContext
,
29 SVGDocumentWrapper
* aSVGDocumentWrapper
,
31 : mIsDrawing(aSVGDocumentWrapper
->mIsDrawing
)
32 // Apply any 'preserveAspectRatio' override (if specified) to the root
35 mPAR(aSVGContext
, aSVGDocumentWrapper
->GetRootSVGElem())
36 // Set the animation time:
38 mTime(aSVGDocumentWrapper
->GetRootSVGElem(), aAnimationTime
) {
39 MOZ_ASSERT(!mIsDrawing
.SavedValue());
40 MOZ_ASSERT(aSVGDocumentWrapper
->GetDocument());
42 aSVGDocumentWrapper
->mIsDrawing
= true;
44 // Set context paint (if specified) on the document:
46 MOZ_ASSERT(aSVGContext
->GetContextPaint());
47 mContextPaint
.emplace(*aSVGContext
->GetContextPaint(),
48 *aSVGDocumentWrapper
->GetDocument());
53 AutoRestore
<bool> mIsDrawing
;
54 AutoPreserveAspectRatioOverride mPAR
;
55 AutoSVGTimeSetRestore mTime
;
56 Maybe
<AutoSetRestoreSVGContextPaint
> mContextPaint
;
60 } // namespace mozilla
62 #endif // mozilla_image_AutoRestoreSVGState_h