rpcs3/3rdparty/minidx12/Include/d2d1_2helper.h

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/*=========================================================================*\
Copyright (c) Microsoft Corporation. All rights reserved.
File: D2D1_2Helper.h
Module Name: D2D
Description: Helper files over the D2D interfaces and APIs.
\*=========================================================================*/
#ifdef _MSC_VER
#pragma once
#endif // _MSC_VER
#ifndef _D2D1_2HELPER_H_
#define _D2D1_2HELPER_H_
#if NTDDI_VERSION >= NTDDI_WINBLUE
#ifndef _D2D1_2_H_
#include <d2d1_2.h>
#endif // #ifndef _D2D1_2_H_
#ifndef D2D_USE_C_DEFINITIONS
#include <winapifamily.h>
#pragma region Application Family
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
namespace D2D1
{
COM_DECLSPEC_NOTHROW
D2D1FORCEINLINE
FLOAT
ComputeFlatteningTolerance(
_In_ CONST D2D1_MATRIX_3X2_F &matrix,
FLOAT dpiX = 96.0f,
FLOAT dpiY = 96.0f,
FLOAT maxZoomFactor = 1.0f
)
{
D2D1_MATRIX_3X2_F dpiDependentTransform =
matrix * D2D1::Matrix3x2F::Scale(dpiX / 96.0f, dpiY / 96.0f);
FLOAT absMaxZoomFactor = (maxZoomFactor > 0) ? maxZoomFactor : -maxZoomFactor;
return D2D1_DEFAULT_FLATTENING_TOLERANCE /
(absMaxZoomFactor * D2D1ComputeMaximumScaleFactor(&dpiDependentTransform));
}
} // namespace D2D1
#endif /* WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) */
#pragma endregion
#endif // #ifndef D2D_USE_C_DEFINITIONS
#endif // #if NTDDI_VERSION >= NTDDI_WINBLUE
#endif // #ifndef _D2D1_HELPER_H_