michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:   * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:   * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:   * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef MOZILLA_GFX_RADIALGRADIENTEFFECTD2D1_H_
michael@0: #define MOZILLA_GFX_RADIALGRADIENTEFFECTD2D1_H_
michael@0: 
michael@0: #include <d2d1_1.h>
michael@0: #include <d2d1effectauthor.h>
michael@0: #include <d2d1effecthelpers.h>
michael@0: 
michael@0: #include "2D.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: 
michael@0: // {97143DC6-CBC4-4DD4-A8BA-13342B0BA46D}
michael@0: DEFINE_GUID(CLSID_RadialGradientEffect, 
michael@0: 0x97143dc6, 0xcbc4, 0x4dd4, 0xa8, 0xba, 0x13, 0x34, 0x2b, 0xb, 0xa4, 0x6d);
michael@0: 
michael@0: // Macro to keep our class nice and clean.
michael@0: #define SIMPLE_PROP(type, name) \
michael@0: public: \
michael@0:   HRESULT Set##name(type a##name) \
michael@0:   { m##name = a##name; return S_OK; } \
michael@0:   type Get##name() const { return m##name; } \
michael@0: private: \
michael@0:   type m##name;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gfx {
michael@0: 
michael@0: enum {
michael@0:   RADIAL_PROP_STOP_COLLECTION = 0,
michael@0:   RADIAL_PROP_CENTER_1,
michael@0:   RADIAL_PROP_CENTER_2,
michael@0:   RADIAL_PROP_RADIUS_1,
michael@0:   RADIAL_PROP_RADIUS_2,
michael@0:   RADIAL_PROP_TRANSFORM
michael@0: };
michael@0: 
michael@0: class RadialGradientEffectD2D1 MOZ_FINAL : public ID2D1EffectImpl
michael@0:                                          , public ID2D1DrawTransform
michael@0: {
michael@0: public:
michael@0:   // ID2D1EffectImpl
michael@0:   IFACEMETHODIMP Initialize(ID2D1EffectContext* pContextInternal, ID2D1TransformGraph* pTransformGraph);
michael@0:   IFACEMETHODIMP PrepareForRender(D2D1_CHANGE_TYPE changeType);
michael@0:   IFACEMETHODIMP SetGraph(ID2D1TransformGraph* pGraph);
michael@0: 
michael@0:   // IUnknown
michael@0:   IFACEMETHODIMP_(ULONG) AddRef();
michael@0:   IFACEMETHODIMP_(ULONG) Release();
michael@0:   IFACEMETHODIMP QueryInterface(REFIID riid, void** ppOutput);
michael@0:   
michael@0:   // ID2D1Transform
michael@0:   IFACEMETHODIMP MapInputRectsToOutputRect(const D2D1_RECT_L* pInputRects,
michael@0:                                            const D2D1_RECT_L* pInputOpaqueSubRects,
michael@0:                                            UINT32 inputRectCount,
michael@0:                                            D2D1_RECT_L* pOutputRect,
michael@0:                                            D2D1_RECT_L* pOutputOpaqueSubRect);    
michael@0:   IFACEMETHODIMP MapOutputRectToInputRects(const D2D1_RECT_L* pOutputRect,
michael@0:                                            D2D1_RECT_L* pInputRects,
michael@0:                                            UINT32 inputRectCount) const;
michael@0:   IFACEMETHODIMP MapInvalidRect(UINT32 inputIndex,
michael@0:                                 D2D1_RECT_L invalidInputRect,
michael@0:                                 D2D1_RECT_L* pInvalidOutputRect) const;
michael@0: 
michael@0:   // ID2D1TransformNode
michael@0:   IFACEMETHODIMP_(UINT32) GetInputCount() const { return 1; }
michael@0: 
michael@0:   // ID2D1DrawTransform
michael@0:   IFACEMETHODIMP SetDrawInfo(ID2D1DrawInfo *pDrawInfo);
michael@0: 
michael@0:   static HRESULT Register(ID2D1Factory1* aFactory);
michael@0:   static HRESULT __stdcall CreateEffect(IUnknown** aEffectImpl);
michael@0: 
michael@0:   HRESULT SetStopCollection(IUnknown *aStopCollection);
michael@0:   IUnknown *GetStopCollection() const { return mStopCollection; }
michael@0: 
michael@0: private:
michael@0:   TemporaryRef<ID2D1ResourceTexture> CreateGradientTexture();
michael@0: 
michael@0:   RadialGradientEffectD2D1();
michael@0: 
michael@0:   uint32_t mRefCount;
michael@0:   RefPtr<ID2D1GradientStopCollection> mStopCollection;
michael@0:   RefPtr<ID2D1EffectContext> mEffectContext;
michael@0:   RefPtr<ID2D1DrawInfo> mDrawInfo;
michael@0:   SIMPLE_PROP(D2D1_VECTOR_2F, Center1);
michael@0:   SIMPLE_PROP(D2D1_VECTOR_2F, Center2);
michael@0:   SIMPLE_PROP(FLOAT, Radius1);
michael@0:   SIMPLE_PROP(FLOAT, Radius2);
michael@0:   SIMPLE_PROP(D2D_MATRIX_3X2_F, Transform);
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: #undef SIMPLE_PROP
michael@0: 
michael@0: #endif