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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_CONICGRADIENTEFFECTD2D1_H_
#define MOZILLA_GFX_CONICGRADIENTEFFECTD2D1_H_
#include <d2d1_1.h>
#include <d2d1effectauthor.h>
#include <d2d1effecthelpers.h>
#include "2D.h"
#include "mozilla/Attributes.h"
// {fa4e3246-be57-4052-8c8b-881cc3633287}
DEFINE_GUID(CLSID_ConicGradientEffect, 0xfa4e3246, 0xbe57, 0x4052, 0x8c, 0x8b,
0x88, 0x1c, 0xc3, 0x63, 0x32, 0x87);
// 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 {
CONIC_PROP_STOP_COLLECTION = 0,
CONIC_PROP_CENTER,
CONIC_PROP_ANGLE,
CONIC_PROP_START_OFFSET,
CONIC_PROP_END_OFFSET,
CONIC_PROP_TRANSFORM
};
class ConicGradientEffectD2D1 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();
ConicGradientEffectD2D1();
uint32_t mRefCount;
RefPtr<ID2D1GradientStopCollection> mStopCollection;
RefPtr<ID2D1EffectContext> mEffectContext;
RefPtr<ID2D1DrawInfo> mDrawInfo;
SIMPLE_PROP(D2D1_VECTOR_2F, Center);
SIMPLE_PROP(FLOAT, Angle);
SIMPLE_PROP(FLOAT, StartOffset);
SIMPLE_PROP(FLOAT, EndOffset);
SIMPLE_PROP(D2D_MATRIX_3X2_F, Transform);
};
} // namespace gfx
} // namespace mozilla
#undef SIMPLE_PROP
#endif