/*
       File:       ATSTypes.h
   
       Contains:   Public interfaces for Apple Type Services components.
   
       Version:    Technology: Post-Sonata, Post-Carbon 1.01
                   Release:    QuickTime 6.0.2
   
       Copyright:  (c) 1997-2001 by Apple Computer, Inc., all rights reserved.
   
       Bugs?:      For bug reports, consult the following page on
                   the World Wide Web:
   
                       http://developer.apple.com/bugreporter/
   
  */
  ifndef __ATSTYPES__
  define __ATSTYPES__
  
  ifndef __MACTYPES__
  include <MacTypes.h>
  endif
  
  if PRAGMA_ONCE
  #pragma once
  endif
  
  ifdef __cplusplus
  extern "C" {
  endif
  
  if PRAGMA_IMPORT
  #pragma import on
  endif
  
  if PRAGMA_STRUCT_ALIGN
      #pragma options align=mac68k
  #elif PRAGMA_STRUCT_PACKPUSH
      #pragma pack(push, 2)
  #elif PRAGMA_STRUCT_PACK
      #pragma pack(2)
  endif
  
  /* ----------------------------------------------------------------------------------------- */
  /* CONSTANTS */
  /* Miscellaneous constants */
  enum {
      kATSItalicQDSkew            = (1 << 16) / 4,                /* fixed value of 0.25 */
      kATSRadiansFactor           = 1144                          /* fixed value of approx. pi/180 (0.0174560546875) */
  };
  
  /* Glyph outline path constants used in ATSGetGlyphPaths */
  enum {
      kATSCubicCurveType          = 0x0001,
      kATSQuadCurveType           = 0x0002
  };
  
  /* --------------------------------------------------------------------------- */
  /* TYPES */
  /* --------------------------------------------------------------------------- */
  typedef UInt16                          GlyphID;
  typedef UInt16                          ATSCurveType;
  /*
      The StyleGroupPtr contains all of the style attributes associated with a run
      of glyphs.
  */
  typedef struct AttributeGroup *ATSStyleGroupPtr;
  
  struct ATSStyleSetting {
      ATSStyleGroupPtr                style;                      /* The style attribute group */
      UInt32                          styleFlags;                 /* Flag bits for this style */
  };
  typedef struct ATSStyleSetting          ATSStyleSetting;
  /* Mapping3x3 is the basic matrix type. The third column actually contains Fract numbers */
  
  struct Mapping3x3 {
      Fixed                           map[3][3];
  };
  typedef struct Mapping3x3               Mapping3x3;
  /* Rendering metrics type */
  
  struct ATSGlyphRenderingMetrics {
      FixedPoint                      deviceAdvance;
      FixedPoint                      topLeft;
      UInt16                          height;
      UInt16                          width;
      FixedPoint                      sideBearing;
      FixedPoint                      otherSideBearing;
  };
  typedef struct ATSGlyphRenderingMetrics ATSGlyphRenderingMetrics;
  /* Fractional metrics types */
  
  struct ATSGlyphFractionalMetrics {
      FixedPoint                      advance;
      FixedPoint                      sideBearing;
      FixedPoint                      otherSideBearing;
  };
  typedef struct ATSGlyphFractionalMetrics ATSGlyphFractionalMetrics;
  
  if PRAGMA_STRUCT_ALIGN
      #pragma options align=reset
  #elif PRAGMA_STRUCT_PACKPUSH
      #pragma pack(pop)
  #elif PRAGMA_STRUCT_PACK
      #pragma pack()
  endif
  
  ifdef PRAGMA_IMPORT_OFF
  #pragma import off
  #elif PRAGMA_IMPORT
  #pragma import reset
  endif
  
  ifdef __cplusplus
  }
  endif
  
  endif /* __ATSTYPES__ */