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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/sdf/ftsdfcommon.h')
-rw-r--r-- | Build/source/libs/freetype2/freetype-src/src/sdf/ftsdfcommon.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/sdf/ftsdfcommon.h b/Build/source/libs/freetype2/freetype-src/src/sdf/ftsdfcommon.h deleted file mode 100644 index 44f6bba53f8..00000000000 --- a/Build/source/libs/freetype2/freetype-src/src/sdf/ftsdfcommon.h +++ /dev/null @@ -1,139 +0,0 @@ -/**************************************************************************** - * - * ftsdfcommon.h - * - * Auxiliary data for Signed Distance Field support (specification). - * - * Copyright (C) 2020-2021 by - * David Turner, Robert Wilhelm, and Werner Lemberg. - * - * Written by Anuj Verma. - * - * This file is part of the FreeType project, and may only be used, - * modified, and distributed under the terms of the FreeType project - * license, LICENSE.TXT. By continuing to use, modify, or distribute - * this file you indicate that you have read the license and - * understand and accept it fully. - * - */ - - - /**************************************************** - * - * This file contains common functions and properties - * for both the 'sdf' and 'bsdf' renderers. - * - */ - -#ifndef FTSDFCOMMON_H_ -#define FTSDFCOMMON_H_ - -#include <ft2build.h> -#include FT_CONFIG_CONFIG_H -#include <freetype/internal/ftobjs.h> - - -FT_BEGIN_HEADER - - - /************************************************************************** - * - * default values (cannot be set individually for each renderer) - * - */ - - /* default spread value */ -#define DEFAULT_SPREAD 8 - /* minimum spread supported by the renderer */ -#define MIN_SPREAD 2 - /* maximum spread supported by the renderer */ -#define MAX_SPREAD 32 - - - /************************************************************************** - * - * common definitions (cannot be set individually for each renderer) - * - */ - - /* If this macro is set to 1 the rasterizer uses squared distances for */ - /* computation. It can greatly improve the performance but there is a */ - /* chance of overflow and artifacts. You can safely use it up to a */ - /* pixel size of 128. */ -#ifndef USE_SQUARED_DISTANCES -#define USE_SQUARED_DISTANCES 0 -#endif - - - /************************************************************************** - * - * common macros - * - */ - - /* convert int to 26.6 fixed-point */ -#define FT_INT_26D6( x ) ( x * 64 ) - /* convert int to 16.16 fixed-point */ -#define FT_INT_16D16( x ) ( x * 65536 ) - /* convert 26.6 to 16.16 fixed-point */ -#define FT_26D6_16D16( x ) ( x * 1024 ) - - - /* Convenience macro to call a function; it */ - /* jumps to label `Exit` if an error occurs. */ -#define FT_CALL( x ) do \ - { \ - error = ( x ); \ - if ( error != FT_Err_Ok ) \ - goto Exit; \ - } while ( 0 ) - - - /* - * The macro `VECTOR_LENGTH_16D16` computes either squared distances or - * actual distances, depending on the value of `USE_SQUARED_DISTANCES`. - * - * By using squared distances the performance can be greatly improved but - * there is a risk of overflow. - */ -#if USE_SQUARED_DISTANCES -#define VECTOR_LENGTH_16D16( v ) ( FT_MulFix( v.x, v.x ) + \ - FT_MulFix( v.y, v.y ) ) -#else -#define VECTOR_LENGTH_16D16( v ) FT_Vector_Length( &v ) -#endif - - - /************************************************************************** - * - * common typedefs - * - */ - - typedef FT_Vector FT_26D6_Vec; /* with 26.6 fixed-point components */ - typedef FT_Vector FT_16D16_Vec; /* with 16.16 fixed-point components */ - - typedef FT_Fixed FT_16D16; /* 16.16 fixed-point representation */ - typedef FT_Fixed FT_26D6; /* 26.6 fixed-point representation */ - typedef FT_Byte FT_SDFFormat; /* format to represent SDF data */ - - typedef FT_BBox FT_CBox; /* control box of a curve */ - - - FT_LOCAL( FT_16D16 ) - square_root( FT_16D16 val ); - - FT_LOCAL( FT_SDFFormat ) - map_fixed_to_sdf( FT_16D16 dist, - FT_16D16 max_value ); - - FT_LOCAL( FT_SDFFormat ) - invert_sign( FT_SDFFormat dist ); - - -FT_END_HEADER - -#endif /* FTSDFCOMMON_H_ */ - - -/* END */ |