dom/canvas/CanvasPattern.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   3  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef mozilla_dom_CanvasPattern_h
   6 #define mozilla_dom_CanvasPattern_h
   7
   8 #include "mozilla/dom/CanvasRenderingContext2DBinding.h"
   9 #include "mozilla/RefPtr.h"
  10 #include "nsISupports.h"
  11 #include "nsWrapperCache.h"
  12
  13 class nsIPrincipal;
  14
  15 namespace mozilla {
  16 namespace gfx {
  17 class SourceSurface;
  18 }  // namespace gfx
  19
  20 namespace dom {
  21 class CanvasRenderingContext2D;
  22 struct DOMMatrix2DInit;
  23
  24 class CanvasPattern final : public nsWrapperCache {
  25   ~CanvasPattern();
  26
  27  public:
  28   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(CanvasPattern)
  29   NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(CanvasPattern)
  30
  31   enum class RepeatMode : uint8_t { REPEAT, REPEATX, REPEATY, NOREPEAT };
  32
  33   CanvasPattern(CanvasRenderingContext2D* aContext,
  34                 gfx::SourceSurface* aSurface, RepeatMode aRepeat,
  35                 nsIPrincipal* principalForSecurityCheck, bool forceWriteOnly,
  36                 bool CORSUsed);
  37
  38   JSObject* WrapObject(JSContext* aCx,
  39                        JS::Handle<JSObject*> aGivenProto) override {
  40     return CanvasPattern_Binding::Wrap(aCx, this, aGivenProto);
  41   }
  42
  43   CanvasRenderingContext2D* GetParentObject() { return mContext; }
  44
  45   // WebIDL
  46   void SetTransform(const DOMMatrix2DInit& aInit, ErrorResult& aError);
  47
  48   RefPtr<CanvasRenderingContext2D> mContext;
  49   RefPtr<gfx::SourceSurface> mSurface;
  50   nsCOMPtr<nsIPrincipal> mPrincipal;
  51   mozilla::gfx::Matrix mTransform;
  52   const bool mForceWriteOnly;
  53   const bool mCORSUsed;
  54   const RepeatMode mRepeat;
  55 };
  56
  57 }  // namespace dom
  58 }  // namespace mozilla
  59
  60 #endif  // mozilla_dom_CanvasPattern_h