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104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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_CONICGRADIENTEFFECTD2D1_H_
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#define MOZILLA_GFX_CONICGRADIENTEFFECTD2D1_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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#include "mozilla/Attributes.h"
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// {fa4e3246-be57-4052-8c8b-881cc3633287}
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DEFINE_GUID(CLSID_ConicGradientEffect, 0xfa4e3246, 0xbe57, 0x4052, 0x8c, 0x8b,
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0x88, 0x1c, 0xc3, 0x63, 0x32, 0x87);
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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; \
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return S_OK; \
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} \
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type Get##name() const { return m##name; } \
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\
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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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CONIC_PROP_STOP_COLLECTION = 0,
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CONIC_PROP_CENTER,
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CONIC_PROP_ANGLE,
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CONIC_PROP_START_OFFSET,
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CONIC_PROP_END_OFFSET,
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CONIC_PROP_TRANSFORM
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};
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class ConicGradientEffectD2D1 final : public ID2D1EffectImpl,
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public ID2D1DrawTransform {
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public:
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// ID2D1EffectImpl
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IFACEMETHODIMP Initialize(ID2D1EffectContext* pContextInternal,
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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(
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const D2D1_RECT_L* pInputRects, const D2D1_RECT_L* pInputOpaqueSubRects,
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UINT32 inputRectCount, 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, 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 void Unregister(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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already_AddRefed<ID2D1ResourceTexture> CreateGradientTexture();
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ConicGradientEffectD2D1();
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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, Center);
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SIMPLE_PROP(FLOAT, Angle);
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SIMPLE_PROP(FLOAT, StartOffset);
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SIMPLE_PROP(FLOAT, EndOffset);
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SIMPLE_PROP(D2D_MATRIX_3X2_F, Transform);
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};
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} // namespace gfx
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} // namespace mozilla
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#undef SIMPLE_PROP
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#endif
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