46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
#define DWRITE_CORE 1
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#include "dwrite_3.h"
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/// <summary>
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/// Creates a factory object that is used for subsequent creation of individual DWriteCore objects.
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/// </summary>
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/// <param name="factoryType">Identifies whether the factory object will be shared or isolated.</param>
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/// <param name="iid">Identifies the DirectWrite factory interface, such as UUIDOF(IDWriteFactory).</param>
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/// <param name="factory">Receives the DirectWrite factory object.</param>
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/// <returns>
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/// Standard HRESULT error code.
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/// </returns>
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/// <remarks>
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/// This is functionally the same as the DWriteCreateFactory function exported by the system version
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/// of DirectWrite. The DWriteCore function has a different name to avoid ambiguity.
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/// </remarks>
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EXTERN_C HRESULT DWRITE_EXPORT DWriteCoreCreateFactory(
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_In_ DWRITE_FACTORY_TYPE factoryType,
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_In_ REFIID iid,
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_COM_Outptr_ IUnknown** factory
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);
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/// <summary>
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/// Registers an object that receives internal DWriteCore events.
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/// </summary>
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/// <param name="eventSink">Event sink object to register.</param>
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/// <returns>Standard HRESULT error code.</returns>
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/// <remarks>This method does NOT add a reference to the event sink object.
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/// The caller is expected to hold a reference to the event sink object until
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/// it later unregisters it by calling DWriteUnregisterEventSink.</remarks>
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EXTERN_C HRESULT DWRITE_EXPORT DWriteCoreRegisterEventSink(
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IDWriteEventSink* eventSink
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);
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/// <summary>
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/// Unregisters an event sink object that was previously registered
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/// using DWriteCoreRegisterEventSink.
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/// </summary>
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/// <param name="eventSink">Event sink object to unregister.</param>
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/// </remarks>Since DWriteCore does not hold a reference to the event sink, this
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/// call can be made by the event sink object's destructor.</remarks>
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EXTERN_C void DWRITE_EXPORT DWriteCoreUnregisterEventSink(
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IDWriteEventSink* eventSink
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);
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