From 75f974ed5e61c24f5432992a70b2510eeaa71152 Mon Sep 17 00:00:00 2001 From: Biswapriyo Nath <[email protected]> Date: Wed, 13 Sep 2023 07:31:26 +0000 Subject: [PATCH 4/4] headers: Add d2d1_2helper.h
Signed-off-by: Biswapriyo Nath <[email protected]> --- mingw-w64-headers/include/d2d1_2helper.h | 36 ++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 mingw-w64-headers/include/d2d1_2helper.h diff --git a/mingw-w64-headers/include/d2d1_2helper.h b/mingw-w64-headers/include/d2d1_2helper.h new file mode 100644 index 0000000..6b55a48 --- /dev/null +++ b/mingw-w64-headers/include/d2d1_2helper.h @@ -0,0 +1,36 @@ +/** + * This file has no copyright assigned and is placed in the Public Domain. + * This file is part of the mingw-w64 runtime package. + * No warranty is given; refer to the file DISCLAIMER.PD within this package. + */ + +#ifndef _D2D1_2HELPER_H_ +#define _D2D1_2HELPER_H_ + +#if NTDDI_VERSION >= NTDDI_WINBLUE + +#ifndef _D2D1_2_H_ +#include <d2d1_2.h> +#endif + +#ifndef D2D_USE_C_DEFINITIONS + +#include <winapifamily.h> + +#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) + +namespace D2D1 { + COM_DECLSPEC_NOTHROW D2D1FORCEINLINE FLOAT ComputeFlatteningTolerance(const D2D1_MATRIX_3X2_F &matrix, FLOAT dpi_x = 96.0f, FLOAT dpi_y = 96.0f, FLOAT max_zoom_factor = 1.0f) { + D2D1_MATRIX_3X2_F transform = matrix * D2D1::Matrix3x2F::Scale(dpi_x / 96.0f, dpi_y / 96.0f); + FLOAT abs_max_zoom_factor = (max_zoom_factor > 0) ? max_zoom_factor : -max_zoom_factor; + return D2D1_DEFAULT_FLATTENING_TOLERANCE / (abs_max_zoom_factor * D2D1ComputeMaximumScaleFactor(&transform)); + } +} + +#endif /* WINAPI_PARTITION_APP */ + +#endif /* D2D_USE_C_DEFINITIONS */ + +#endif /* NTDDI_VERSION >= NTDDI_WINBLUE */ + +#endif /* _D2D1_HELPER_H_ */ -- 2.42.0
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