1//+-------------------------------------------------------------------------- 2// 3// Copyright (c) Microsoft Corporation. All rights reserved. 4// 5// Abstract: 6// Public API definitions for DWrite and D2D 7// 8//---------------------------------------------------------------------------- 9 10#ifndef DCOMMON_H_INCLUDED 11#define DCOMMON_H_INCLUDED 12 13// 14//These macros are defined in the Windows 7 SDK, however to enable development using the technical preview, 15//they are included here temporarily. 16// 17#ifndef DEFINE_ENUM_FLAG_OPERATORS 18#define DEFINE_ENUM_FLAG_OPERATORS(ENUMTYPE) \ 19extern "C++" { \ 20inline ENUMTYPE operator | (ENUMTYPE a, ENUMTYPE b) { return ENUMTYPE(((int)a) | ((int)b)); } \ 21inline ENUMTYPE &operator |= (ENUMTYPE &a, ENUMTYPE b) { return (ENUMTYPE &)(((int &)a) |= ((int)b)); } \ 22inline ENUMTYPE operator & (ENUMTYPE a, ENUMTYPE b) { return ENUMTYPE(((int)a) & ((int)b)); } \ 23inline ENUMTYPE &operator &= (ENUMTYPE &a, ENUMTYPE b) { return (ENUMTYPE &)(((int &)a) &= ((int)b)); } \ 24inline ENUMTYPE operator ~ (ENUMTYPE a) { return ENUMTYPE(~((int)a)); } \ 25inline ENUMTYPE operator ^ (ENUMTYPE a, ENUMTYPE b) { return ENUMTYPE(((int)a) ^ ((int)b)); } \ 26inline ENUMTYPE &operator ^= (ENUMTYPE &a, ENUMTYPE b) { return (ENUMTYPE &)(((int &)a) ^= ((int)b)); } \ 27} 28#endif 29 30#ifndef __field_ecount_opt 31#define __field_ecount_opt(x) 32#endif 33 34#ifndef __range 35#define __range(x,y) 36#endif 37 38#ifndef __field_ecount 39#define __field_ecount(x) 40#endif 41 42/// <summary> 43/// The measuring method used for text layout. 44/// </summary> 45typedef enum DWRITE_MEASURING_MODE 46{ 47 /// <summary> 48 /// Text is measured using glyph ideal metrics whose values are independent to the current display resolution. 49 /// </summary> 50 DWRITE_MEASURING_MODE_NATURAL, 51 52 /// <summary> 53 /// Text is measured using glyph display compatible metrics whose values tuned for the current display resolution. 54 /// </summary> 55 DWRITE_MEASURING_MODE_GDI_CLASSIC, 56 57 /// <summary> 58 /// Text is measured using the same glyph display metrics as text measured by GDI using a font 59 /// created with CLEARTYPE_NATURAL_QUALITY. 60 /// </summary> 61 DWRITE_MEASURING_MODE_GDI_NATURAL 62 63} DWRITE_MEASURING_MODE; 64 65#endif /* DCOMMON_H_INCLUDED */ 66