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/** |
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* This file has no copyright assigned and is placed in the Public Domain. |
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* This file is part of the mingw-w64 runtime package. |
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* No warranty is given; refer to the file DISCLAIMER.PD within this package. |
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*/ |
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|
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#ifndef _D2D1_EFFECT_HELPERS_H_ |
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#define _D2D1_EFFECT_HELPERS_H_ |
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|
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#include <winapifamily.h> |
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|
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) |
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|
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#include <d2d1effectauthor.h> |
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|
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template<typename T> |
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T GetType(T t) { |
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return t; |
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}; |
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|
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template<class C, typename P, typename I> |
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HRESULT DeducingValueSetter(HRESULT (C::*callback)(P), I *effect, const BYTE *data, UINT32 dataSize) { |
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return dataSize == sizeof(P) |
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? (static_cast<C*>(effect)->*callback)(*reinterpret_cast<const P*>(data)) |
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: E_INVALIDARG; |
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} |
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|
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template<typename T, T P, typename I> |
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HRESULT CALLBACK ValueSetter(IUnknown *effect, const BYTE *data, UINT32 dataSize) { |
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return DeducingValueSetter(P, static_cast<I*>(effect), data, dataSize); |
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} |
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|
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template<class C, typename P, typename I> |
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HRESULT DeducingValueGetter(P (C::*callback)() const, const I *effect, BYTE *data, UINT32 dataSize, UINT32 *actualSize) { |
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if (actualSize) |
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*actualSize = sizeof(P); |
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|
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if(!dataSize || !data) |
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return S_OK; |
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|
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if (dataSize < sizeof(P)) |
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return E_NOT_SUFFICIENT_BUFFER; |
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|
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*reinterpret_cast<P*>(data) = (static_cast<const C*>(effect)->*callback)(); |
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return S_OK; |
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} |
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|
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template<typename T, T P, typename I> |
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HRESULT CALLBACK ValueGetter(const IUnknown *effect, BYTE *data, UINT32 dataSize, UINT32 *actualSize) { |
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return DeducingValueGetter(P, static_cast<const I*>(effect), data, dataSize, actualSize); |
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} |
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|
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#define D2D1_VALUE_TYPE_BINDING(name, setter, getter) \ |
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{ \ |
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name, \ |
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&ValueSetter<decltype(GetType(setter)), setter, ID2D1EffectImpl>, \ |
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&ValueGetter<decltype(GetType(getter)), getter, ID2D1EffectImpl> \ |
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} |
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|
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#endif /* WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) */ |
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|
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#endif /* _D2D1_EFFECT_HELPERS_H_ */ |
