/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_CanvasGradient_h
#define mozilla_dom_CanvasGradient_h
#include "nsTArray.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/CanvasRenderingContext2DBinding.h"
#include "mozilla/gfx/2D.h"
#include "nsWrapperCache.h"
#include "gfxGradientCache.h"
namespace mozilla::dom {
class CanvasRenderingContext2D;
class CanvasGradient :
public nsWrapperCache {
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(CanvasGradient)
NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(CanvasGradient)
enum class Type : uint8_t { LINEAR = 0, RADIAL, CONIC };
Type GetType() {
return mType; }
already_AddRefed<mozilla::gfx::GradientStops> GetGradientStopsForTarget(
mozilla::gfx::DrawTarget* aRT) {
return gfx::gfxGradientCache::GetOrCreateGradientStops(
aRT, mRawStops, gfx::ExtendMode::CLAMP);
}
// WebIDL
void AddColorStop(
float offset,
const nsACString& colorstr, ErrorResult& rv);
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override {
return CanvasGradient_Binding::Wrap(aCx,
this, aGivenProto);
}
CanvasRenderingContext2D* GetParentObject() {
return mContext; }
protected:
friend struct CanvasBidiProcessor;
CanvasGradient(CanvasRenderingContext2D* aContext, Type aType);
virtual ~CanvasGradient();
RefPtr<CanvasRenderingContext2D> mContext;
nsTArray<mozilla::gfx::GradientStop> mRawStops;
Type mType;
};
}
// namespace mozilla::dom
#endif // mozilla_dom_CanvasGradient_h
