зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
3.2 KiB
C++
100 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_RADIALGRADIENTEFFECTD2D1_H_
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#define MOZILLA_GFX_RADIALGRADIENTEFFECTD2D1_H_
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#include <d2d1_1.h>
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#include <d2d1effectauthor.h>
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#include <d2d1effecthelpers.h>
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#include "2D.h"
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// {97143DC6-CBC4-4DD4-A8BA-13342B0BA46D}
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DEFINE_GUID(CLSID_RadialGradientEffect,
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0x97143dc6, 0xcbc4, 0x4dd4, 0xa8, 0xba, 0x13, 0x34, 0x2b, 0xb, 0xa4, 0x6d);
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// Macro to keep our class nice and clean.
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#define SIMPLE_PROP(type, name) \
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public: \
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HRESULT Set##name(type a##name) \
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{ m##name = a##name; return S_OK; } \
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type Get##name() const { return m##name; } \
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private: \
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type m##name;
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namespace mozilla {
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namespace gfx {
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enum {
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RADIAL_PROP_STOP_COLLECTION = 0,
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RADIAL_PROP_CENTER_1,
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RADIAL_PROP_CENTER_2,
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RADIAL_PROP_RADIUS_1,
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RADIAL_PROP_RADIUS_2,
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RADIAL_PROP_TRANSFORM
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};
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class RadialGradientEffectD2D1 : public ID2D1EffectImpl
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, public ID2D1DrawTransform
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{
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public:
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// ID2D1EffectImpl
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IFACEMETHODIMP Initialize(ID2D1EffectContext* pContextInternal, ID2D1TransformGraph* pTransformGraph);
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IFACEMETHODIMP PrepareForRender(D2D1_CHANGE_TYPE changeType);
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IFACEMETHODIMP SetGraph(ID2D1TransformGraph* pGraph);
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// IUnknown
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IFACEMETHODIMP_(ULONG) AddRef();
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IFACEMETHODIMP_(ULONG) Release();
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IFACEMETHODIMP QueryInterface(REFIID riid, void** ppOutput);
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// ID2D1Transform
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IFACEMETHODIMP MapInputRectsToOutputRect(const D2D1_RECT_L* pInputRects,
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const D2D1_RECT_L* pInputOpaqueSubRects,
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UINT32 inputRectCount,
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D2D1_RECT_L* pOutputRect,
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D2D1_RECT_L* pOutputOpaqueSubRect);
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IFACEMETHODIMP MapOutputRectToInputRects(const D2D1_RECT_L* pOutputRect,
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D2D1_RECT_L* pInputRects,
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UINT32 inputRectCount) const;
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IFACEMETHODIMP MapInvalidRect(UINT32 inputIndex,
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D2D1_RECT_L invalidInputRect,
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D2D1_RECT_L* pInvalidOutputRect) const;
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// ID2D1TransformNode
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IFACEMETHODIMP_(UINT32) GetInputCount() const { return 1; }
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// ID2D1DrawTransform
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IFACEMETHODIMP SetDrawInfo(ID2D1DrawInfo *pDrawInfo);
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static HRESULT Register(ID2D1Factory1* aFactory);
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static HRESULT __stdcall CreateEffect(IUnknown** aEffectImpl);
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HRESULT SetStopCollection(IUnknown *aStopCollection);
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IUnknown *GetStopCollection() const { return mStopCollection; }
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private:
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TemporaryRef<ID2D1ResourceTexture> CreateGradientTexture();
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RadialGradientEffectD2D1();
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uint32_t mRefCount;
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RefPtr<ID2D1GradientStopCollection> mStopCollection;
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RefPtr<ID2D1EffectContext> mEffectContext;
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RefPtr<ID2D1DrawInfo> mDrawInfo;
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SIMPLE_PROP(D2D1_VECTOR_2F, Center1);
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SIMPLE_PROP(D2D1_VECTOR_2F, Center2);
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SIMPLE_PROP(FLOAT, Radius1);
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SIMPLE_PROP(FLOAT, Radius2);
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SIMPLE_PROP(D2D_MATRIX_3X2_F, Transform);
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};
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}
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}
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#undef SIMPLE_PROP
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#endif
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