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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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_GFX_RADIALGRADIENTEFFECTD2D1_H_
#define MOZILLA_GFX_RADIALGRADIENTEFFECTD2D1_H_
#include <d2d1_1.h>
#include <d2d1effectauthor.h>
#include <d2d1effecthelpers.h>
#include "2D.h"
#include "mozilla/Attributes.h"
// {97143DC6-CBC4-4DD4-A8BA-13342B0BA46D}
DEFINE_GUID(CLSID_RadialGradientEffect,
0x97143dc6, 0xcbc4, 0x4dd4, 0xa8, 0xba, 0x13, 0x34, 0x2b, 0xb, 0xa4, 0x6d);
// Macro to keep our class nice and clean.
#define SIMPLE_PROP(type, name) \
public: \
HRESULT Set##name(type a##name) \
{ m##name = a##name; return S_OK; } \
type Get##name() const { return m##name; } \
private: \
type m##name;
namespace mozilla {
namespace gfx {
enum {
RADIAL_PROP_STOP_COLLECTION = 0,
RADIAL_PROP_CENTER_1,
RADIAL_PROP_CENTER_2,
RADIAL_PROP_RADIUS_1,
RADIAL_PROP_RADIUS_2,
RADIAL_PROP_TRANSFORM
};
class RadialGradientEffectD2D1 final : public ID2D1EffectImpl
, public ID2D1DrawTransform
{
public:
// ID2D1EffectImpl
IFACEMETHODIMP Initialize(ID2D1EffectContext* pContextInternal, ID2D1TransformGraph* pTransformGraph);
IFACEMETHODIMP PrepareForRender(D2D1_CHANGE_TYPE changeType);
IFACEMETHODIMP SetGraph(ID2D1TransformGraph* pGraph);
// IUnknown
IFACEMETHODIMP_(ULONG) AddRef();
IFACEMETHODIMP_(ULONG) Release();
IFACEMETHODIMP QueryInterface(REFIID riid, void** ppOutput);
// ID2D1Transform
IFACEMETHODIMP MapInputRectsToOutputRect(const D2D1_RECT_L* pInputRects,
const D2D1_RECT_L* pInputOpaqueSubRects,
UINT32 inputRectCount,
D2D1_RECT_L* pOutputRect,
D2D1_RECT_L* pOutputOpaqueSubRect);
IFACEMETHODIMP MapOutputRectToInputRects(const D2D1_RECT_L* pOutputRect,
D2D1_RECT_L* pInputRects,
UINT32 inputRectCount) const;
IFACEMETHODIMP MapInvalidRect(UINT32 inputIndex,
D2D1_RECT_L invalidInputRect,
D2D1_RECT_L* pInvalidOutputRect) const;
// ID2D1TransformNode
IFACEMETHODIMP_(UINT32) GetInputCount() const { return 1; }
// ID2D1DrawTransform
IFACEMETHODIMP SetDrawInfo(ID2D1DrawInfo *pDrawInfo);
static HRESULT Register(ID2D1Factory1* aFactory);
static void Unregister(ID2D1Factory1* aFactory);
static HRESULT __stdcall CreateEffect(IUnknown** aEffectImpl);
HRESULT SetStopCollection(IUnknown *aStopCollection);
IUnknown *GetStopCollection() const { return mStopCollection; }
private:
already_AddRefed<ID2D1ResourceTexture> CreateGradientTexture();
RadialGradientEffectD2D1();
uint32_t mRefCount;
RefPtr<ID2D1GradientStopCollection> mStopCollection;
RefPtr<ID2D1EffectContext> mEffectContext;
RefPtr<ID2D1DrawInfo> mDrawInfo;
SIMPLE_PROP(D2D1_VECTOR_2F, Center1);
SIMPLE_PROP(D2D1_VECTOR_2F, Center2);
SIMPLE_PROP(FLOAT, Radius1);
SIMPLE_PROP(FLOAT, Radius2);
SIMPLE_PROP(D2D_MATRIX_3X2_F, Transform);
};
}
}
#undef SIMPLE_PROP
#endif
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