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-rw-r--r--gfx/2d/ConicGradientEffectD2D1.h103
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diff --git a/gfx/2d/ConicGradientEffectD2D1.h b/gfx/2d/ConicGradientEffectD2D1.h
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+++ b/gfx/2d/ConicGradientEffectD2D1.h
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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