2013-04-26 14:55:37 +00:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_CanvasGradient_h
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#define mozilla_dom_CanvasGradient_h
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2013-05-29 20:43:41 +00:00
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#include "mozilla/Attributes.h"
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2013-04-26 14:55:37 +00:00
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#include "nsTArray.h"
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2015-10-18 05:24:48 +00:00
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#include "mozilla/RefPtr.h"
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2013-04-26 14:55:54 +00:00
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#include "mozilla/dom/CanvasRenderingContext2DBinding.h"
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2013-04-26 14:55:56 +00:00
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#include "mozilla/dom/CanvasRenderingContext2D.h"
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2013-04-26 14:55:54 +00:00
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#include "mozilla/gfx/2D.h"
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2013-04-26 14:55:56 +00:00
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#include "nsWrapperCache.h"
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2013-11-20 03:50:46 +00:00
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#include "gfxGradientCache.h"
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2013-04-26 14:55:37 +00:00
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namespace mozilla {
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namespace dom {
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2013-07-26 18:25:56 +00:00
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class CanvasGradient : public nsWrapperCache
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{
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public:
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(CanvasGradient)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(CanvasGradient)
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2013-04-26 14:55:37 +00:00
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2015-01-25 22:22:08 +00:00
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enum class Type : uint8_t {
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LINEAR = 0,
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RADIAL
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};
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2013-04-26 14:55:37 +00:00
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Type GetType()
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{
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return mType;
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}
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mozilla::gfx::GradientStops *
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GetGradientStopsForTarget(mozilla::gfx::DrawTarget *aRT)
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{
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2014-06-19 20:35:33 +00:00
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if (mStops && mStops->GetBackendType() == aRT->GetBackendType()) {
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2013-04-26 14:55:37 +00:00
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return mStops;
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}
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2013-11-20 03:50:46 +00:00
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mStops =
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gfx::gfxGradientCache::GetOrCreateGradientStops(aRT,
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mRawStops,
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2014-01-10 19:06:17 +00:00
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gfx::ExtendMode::CLAMP);
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2013-04-26 14:55:37 +00:00
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return mStops;
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}
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2013-04-26 14:55:54 +00:00
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// WebIDL
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void AddColorStop(float offset, const nsAString& colorstr, ErrorResult& rv);
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2015-03-21 16:28:04 +00:00
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override
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{
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return CanvasGradient_Binding::Wrap(aCx, this, aGivenProto);
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2013-04-26 14:55:54 +00:00
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}
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2013-04-26 14:55:37 +00:00
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2013-04-26 14:55:56 +00:00
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CanvasRenderingContext2D* GetParentObject()
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{
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return mContext;
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}
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2013-04-26 14:55:37 +00:00
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protected:
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2016-07-13 17:07:00 +00:00
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friend struct CanvasBidiProcessor;
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2013-04-26 14:55:56 +00:00
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CanvasGradient(CanvasRenderingContext2D* aContext, Type aType)
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: mContext(aContext)
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, mType(aType)
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{
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}
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2013-04-26 14:55:37 +00:00
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2015-10-18 05:24:48 +00:00
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RefPtr<CanvasRenderingContext2D> mContext;
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2013-04-26 14:55:37 +00:00
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nsTArray<mozilla::gfx::GradientStop> mRawStops;
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2015-10-18 05:24:48 +00:00
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RefPtr<mozilla::gfx::GradientStops> mStops;
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2013-04-26 14:55:37 +00:00
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Type mType;
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virtual ~CanvasGradient() {}
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_CanvasGradient_h
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