ATSLayoutTypes.h

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#ifndef __ATSLAYOUTTYPES__
#define __ATSLAYOUTTYPES__
 
#ifndef __MACTYPES__
#include <MacTypes.h>
#endif
 
#ifndef __SFNTLAYOUTTYPES__
#include <SFNTLayoutTypes.h>
#endif
 
#ifndef __ATSTYPES__
#include <ATSTypes.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 and related scalar types */
/* ---------------------------------------------------------------------------
 */
/* Miscellaneous constants */
enum {
  kATSUseLineHeight =
      0x7FFFFFFF, /* assignment to use natural line ascent/descent values */
  kATSNoTracking = (long)0x80000000 /* negativeInfinity */
};
 
typedef UInt32 ATSLineLayoutOptions;
enum {
  kATSLineNoLayoutOptions = 0x00000000, /* no options */
  kATSLineIsDisplayOnly =
      0x00000001, /* specifies to optimize for displaying text only */
  kATSLineHasNoHangers =
      0x00000002, /* specifies that no hangers to be formed on the line */
  kATSLineHasNoOpticalAlignment =
      0x00000004, /* specifies that no optical alignment to be performed on the
                     line */
  kATSLineKeepSpacesOutOfMargin =
      0x00000008, /* specifies that space charcters should not be treated as
                     hangers */
  kATSLineNoSpecialJustification =
      0x00000010, /* specifies no post-compensation justification is to be
                     performed */
  kATSLineLastNoJustification =
      0x00000020, /* specifies that if the line is the last of a paragraph, it
                     will not get justified */
  kATSLineFractDisable = 0x00000040, /* specifies that the displayed line glyphs
                                        will adjust for device metrics */
  kATSLineImposeNoAngleForEnds =
      0x00000080, /* specifies that the carets at the ends of the line will be
                     guarenteed to be perpendicular to the baseline */
  kATSLineFillOutToWidth =
      0x00000100, /* highlights for the line end characters will be extended to
                     0 and the specified line width */
  kATSLineTabAdjustEnabled =
      0x00000200, /* specifies that the tab character width will be
                     automatically adjusted to fit the specified line width */
  kATSLineIgnoreFontLeading =
      0x00000400, /* specifies that any leading value specified by a font will
                     be ignored */
  kATSLineAppleReserved =
      (long)0xFFFFF800 /* these bits are reserved by Apple and will result in a
                          invalid value error if attemped to set */
};
 
typedef UInt32 ATSStyleRenderingOptions;
enum {
  kATSStyleNoOptions = 0x00000000,  /* no options */
  kATSStyleApplyHints = 0x00000001, /* specifies that ATS produce "hinted" glyph
                                       outlines (default is on) */
  /*    kATSStyleApplyAntiAliasing           = 0x00000002L,  |* specifies that
     ATS produce antialiased glyph images (default is on) future feature *|*/
  kATSStyleAppleReserved =
      (long)0xFFFFFFFE /* these bits are reserved by Apple and will result in a
                          invalid value error if attemped to set */
};
 
/* For accessing glyph bounds */
enum {
  kATSUseCaretOrigins = 0,
  kATSUseDeviceOrigins = 1,
  kATSUseFractionalOrigins = 2,
  kATSUseOriginFlags = 3
};
 
/* ---------------------------------------------------------------------------
 */
/* STRUCTURED TYPES and related constants */
/* ---------------------------------------------------------------------------
 */
 
struct ATSTrapezoid {
  FixedPoint upperLeft;
  FixedPoint upperRight;
  FixedPoint lowerRight;
  FixedPoint lowerLeft;
};
typedef struct ATSTrapezoid ATSTrapezoid;
struct ATSJustWidthDeltaEntryOverride {
  Fixed beforeGrowLimit;          /* ems AW can grow by at most on LT */
  Fixed beforeShrinkLimit;        /* ems AW can shrink by at most on LT */
  Fixed afterGrowLimit;           /* ems AW can grow by at most on RB */
  Fixed afterShrinkLimit;         /* ems AW can shrink by at most on RB */
  JustificationFlags growFlags;   /* flags controlling grow case */
  JustificationFlags shrinkFlags; /* flags controlling shrink case */
};
typedef struct ATSJustWidthDeltaEntryOverride ATSJustWidthDeltaEntryOverride;
/* The JustPriorityOverrides type is an array of 4 width delta records, one per
 * priority level override. */
typedef ATSJustWidthDeltaEntryOverride ATSJustPriorityWidthDeltaOverrides[4];
/* ---------------------------------------------------------------------------
 */
 
#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 /* __ATSLAYOUTTYPES__ */