1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/src/CanvasGradient.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,86 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef mozilla_dom_CanvasGradient_h
1.9 +#define mozilla_dom_CanvasGradient_h
1.10 +
1.11 +#include "mozilla/Attributes.h"
1.12 +#include "nsTArray.h"
1.13 +#include "mozilla/RefPtr.h"
1.14 +#include "mozilla/dom/CanvasRenderingContext2DBinding.h"
1.15 +#include "mozilla/dom/CanvasRenderingContext2D.h"
1.16 +#include "mozilla/gfx/2D.h"
1.17 +#include "nsWrapperCache.h"
1.18 +#include "gfxGradientCache.h"
1.19 +
1.20 +namespace mozilla {
1.21 +namespace dom {
1.22 +
1.23 +class CanvasGradient : public nsWrapperCache
1.24 +{
1.25 +public:
1.26 + NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(CanvasGradient)
1.27 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(CanvasGradient)
1.28 +
1.29 + MOZ_BEGIN_NESTED_ENUM_CLASS(Type, uint8_t)
1.30 + LINEAR = 0,
1.31 + RADIAL
1.32 + MOZ_END_NESTED_ENUM_CLASS(Type)
1.33 +
1.34 + Type GetType()
1.35 + {
1.36 + return mType;
1.37 + }
1.38 +
1.39 + mozilla::gfx::GradientStops *
1.40 + GetGradientStopsForTarget(mozilla::gfx::DrawTarget *aRT)
1.41 + {
1.42 + if (mStops && mStops->GetBackendType() == aRT->GetType()) {
1.43 + return mStops;
1.44 + }
1.45 +
1.46 + mStops =
1.47 + gfx::gfxGradientCache::GetOrCreateGradientStops(aRT,
1.48 + mRawStops,
1.49 + gfx::ExtendMode::CLAMP);
1.50 +
1.51 + return mStops;
1.52 + }
1.53 +
1.54 + // WebIDL
1.55 + void AddColorStop(float offset, const nsAString& colorstr, ErrorResult& rv);
1.56 +
1.57 + JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE
1.58 + {
1.59 + return CanvasGradientBinding::Wrap(aCx, this);
1.60 + }
1.61 +
1.62 + CanvasRenderingContext2D* GetParentObject()
1.63 + {
1.64 + return mContext;
1.65 + }
1.66 +
1.67 +protected:
1.68 + CanvasGradient(CanvasRenderingContext2D* aContext, mozilla::css::Loader *aLoader, Type aType)
1.69 + : mContext(aContext)
1.70 + , mCSSLoader(aLoader)
1.71 + , mType(aType)
1.72 + {
1.73 + SetIsDOMBinding();
1.74 + }
1.75 +
1.76 + nsRefPtr<CanvasRenderingContext2D> mContext;
1.77 + nsTArray<mozilla::gfx::GradientStop> mRawStops;
1.78 + mozilla::RefPtr<mozilla::gfx::GradientStops> mStops;
1.79 + mozilla::css::Loader* mCSSLoader; // not ref counted, it owns us
1.80 + Type mType;
1.81 + virtual ~CanvasGradient() {}
1.82 +};
1.83 +
1.84 +MOZ_FINISH_NESTED_ENUM_CLASS(CanvasGradient::Type)
1.85 +
1.86 +} // namespace dom
1.87 +} // namespace mozilla
1.88 +
1.89 +#endif // mozilla_dom_CanvasGradient_h
