mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
/* 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 CanvasPath_h
|
|
#define CanvasPath_h
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "nsWrapperCache.h"
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "mozilla/dom/BindingDeclarations.h"
|
|
#include "mozilla/ErrorResult.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
enum class CanvasWindingRule : uint32_t;
|
|
class SVGMatrix;
|
|
|
|
class CanvasPath final :
|
|
public nsWrapperCache
|
|
{
|
|
public:
|
|
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(CanvasPath)
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(CanvasPath)
|
|
|
|
nsCOMPtr<nsISupports> GetParentObject() { return mParent; }
|
|
|
|
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
|
|
|
|
static already_AddRefed<CanvasPath> Constructor(const GlobalObject& aGlobal,
|
|
ErrorResult& rv);
|
|
static already_AddRefed<CanvasPath> Constructor(const GlobalObject& aGlobal,
|
|
CanvasPath& aCanvasPath,
|
|
ErrorResult& rv);
|
|
static already_AddRefed<CanvasPath> Constructor(const GlobalObject& aGlobal,
|
|
const nsAString& aPathString,
|
|
ErrorResult& rv);
|
|
|
|
void ClosePath();
|
|
void MoveTo(double x, double y);
|
|
void LineTo(double x, double y);
|
|
void QuadraticCurveTo(double cpx, double cpy, double x, double y);
|
|
void BezierCurveTo(double cp1x, double cp1y,
|
|
double cp2x, double cp2y,
|
|
double x, double y);
|
|
void ArcTo(double x1, double y1, double x2, double y2, double radius,
|
|
ErrorResult& error);
|
|
void Rect(double x, double y, double w, double h);
|
|
void Arc(double x, double y, double radius,
|
|
double startAngle, double endAngle, bool anticlockwise,
|
|
ErrorResult& error);
|
|
void Ellipse(double x, double y, double radiusX, double radiusY,
|
|
double rotation, double startAngle, double endAngle,
|
|
bool anticlockwise, ErrorResult& error);
|
|
|
|
void LineTo(const gfx::Point& aPoint);
|
|
void BezierTo(const gfx::Point& aCP1,
|
|
const gfx::Point& aCP2,
|
|
const gfx::Point& aCP3);
|
|
|
|
already_AddRefed<gfx::Path> GetPath(const CanvasWindingRule& aWinding,
|
|
const gfx::DrawTarget* aTarget) const;
|
|
|
|
explicit CanvasPath(nsISupports* aParent);
|
|
// already_AddRefed arg because the return value from Path::CopyToBuilder()
|
|
// is passed directly and we can't drop the only ref to have a raw pointer.
|
|
CanvasPath(nsISupports* aParent,
|
|
already_AddRefed<gfx::PathBuilder> aPathBuilder);
|
|
|
|
void AddPath(CanvasPath& aCanvasPath,
|
|
const Optional<NonNull<SVGMatrix>>& aMatrix);
|
|
|
|
private:
|
|
virtual ~CanvasPath() {}
|
|
|
|
nsCOMPtr<nsISupports> mParent;
|
|
static gfx::Float ToFloat(double aValue) { return gfx::Float(aValue); }
|
|
|
|
mutable RefPtr<gfx::Path> mPath;
|
|
mutable RefPtr<gfx::PathBuilder> mPathBuilder;
|
|
|
|
void EnsurePathBuilder() const;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif /* CanvasPath_h */
|
|
|