XFA: merge patch from CL 815103002

Update freetype to 2.5.4.

Put freetype into third_party directory, cleaning up header files.

Previously freetype header files are in core/src/fxge/freetype and core/include/thirdparties. There were also multiple fx_freetype.h.

This patch removes the additional Foxit wrapper to make further update easier.

Notice, for original freetype source code, the following files are modified and need to be updated accordingly in future update:

third_party/freetype/include/config/ftmodule.h
third_party/freetype/include/config/ftoption.h

BUG=407341
R=thestig@chromium.org

Review URL: https://codereview.chromium.org/815103002

1 files changed, 444 insertions, 0 deletions

diff --git a/third_party/freetype/src/truetype/ttobjs.h b/third_party/freetype/src/truetype/ttobjs.h
new file mode 100644
index 0000000000..859164f86b
--- /dev/null
+++ b/third_party/freetype/src/truetype/ttobjs.h
@@ -0,0 +1,444 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ttobjs.h                                                               */
+/*                                                                         */
+/*    Objects manager (specification).                                     */
+/*                                                                         */
+/*  Copyright 1996-2009, 2011-2014 by                                      */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#ifndef __TTOBJS_H__
+#define __TTOBJS_H__
+
+
+#include <ft2build.h>
+#include FT_INTERNAL_OBJECTS_H
+#include FT_INTERNAL_TRUETYPE_TYPES_H
+
+
+FT_BEGIN_HEADER
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    TT_Driver                                                          */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A handle to a TrueType driver object.                              */
+  /*                                                                       */
+  typedef struct TT_DriverRec_*  TT_Driver;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    TT_Instance                                                        */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A handle to a TrueType size object.                                */
+  /*                                                                       */
+  typedef struct TT_SizeRec_*  TT_Size;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Type>                                                                */
+  /*    TT_GlyphSlot                                                       */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    A handle to a TrueType glyph slot object.                          */
+  /*                                                                       */
+  /* <Note>                                                                */
+  /*    This is a direct typedef of FT_GlyphSlot, as there is nothing      */
+  /*    specific about the TrueType glyph slot.                            */
+  /*                                                                       */
+  typedef FT_GlyphSlot  TT_GlyphSlot;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Struct>                                                              */
+  /*    TT_GraphicsState                                                   */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    The TrueType graphics state used during bytecode interpretation.   */
+  /*                                                                       */
+  typedef struct  TT_GraphicsState_
+  {
+    FT_UShort      rp0;
+    FT_UShort      rp1;
+    FT_UShort      rp2;
+
+    FT_UnitVector  dualVector;
+    FT_UnitVector  projVector;
+    FT_UnitVector  freeVector;
+
+#ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING
+    FT_Bool        both_x_axis;
+#endif
+
+    FT_Long        loop;
+    FT_F26Dot6     minimum_distance;
+    FT_Int         round_state;
+
+    FT_Bool        auto_flip;
+    FT_F26Dot6     control_value_cutin;
+    FT_F26Dot6     single_width_cutin;
+    FT_F26Dot6     single_width_value;
+    FT_UShort      delta_base;
+    FT_UShort      delta_shift;
+
+    FT_Byte        instruct_control;
+    /* According to Greg Hitchcock from Microsoft, the `scan_control'     */
+    /* variable as documented in the TrueType specification is a 32-bit   */
+    /* integer; the high-word part holds the SCANTYPE value, the low-word */
+    /* part the SCANCTRL value.  We separate it into two fields.          */
+    FT_Bool        scan_control;
+    FT_Int         scan_type;
+
+    FT_UShort      gep0;
+    FT_UShort      gep1;
+    FT_UShort      gep2;
+
+  } TT_GraphicsState;
+
+
+#ifdef TT_USE_BYTECODE_INTERPRETER
+
+  FT_LOCAL( void )
+  tt_glyphzone_done( TT_GlyphZone  zone );
+
+  FT_LOCAL( FT_Error )
+  tt_glyphzone_new( FT_Memory     memory,
+                    FT_UShort     maxPoints,
+                    FT_Short      maxContours,
+                    TT_GlyphZone  zone );
+
+#endif /* TT_USE_BYTECODE_INTERPRETER */
+
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /*  EXECUTION SUBTABLES                                                  */
+  /*                                                                       */
+  /*  These sub-tables relate to instruction execution.                    */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+#define TT_MAX_CODE_RANGES  3
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* There can only be 3 active code ranges at once:                       */
+  /*   - the Font Program                                                  */
+  /*   - the CVT Program                                                   */
+  /*   - a glyph's instructions set                                        */
+  /*                                                                       */
+  typedef enum  TT_CodeRange_Tag_
+  {
+    tt_coderange_none = 0,
+    tt_coderange_font,
+    tt_coderange_cvt,
+    tt_coderange_glyph
+
+  } TT_CodeRange_Tag;
+
+
+  typedef struct  TT_CodeRange_
+  {
+    FT_Byte*  base;
+    FT_ULong  size;
+
+  } TT_CodeRange;
+
+  typedef TT_CodeRange  TT_CodeRangeTable[TT_MAX_CODE_RANGES];
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Defines a function/instruction definition record.                     */
+  /*                                                                       */
+  typedef struct  TT_DefRecord_
+  {
+    FT_Int    range;          /* in which code range is it located?     */
+    FT_Long   start;          /* where does it start?                   */
+    FT_Long   end;            /* where does it end?                     */
+    FT_UInt   opc;            /* function #, or instruction code        */
+    FT_Bool   active;         /* is it active?                          */
+    FT_Bool   inline_delta;   /* is function that defines inline delta? */
+    FT_ULong  sph_fdef_flags; /* flags to identify special functions    */
+
+  } TT_DefRecord, *TT_DefArray;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Subglyph transformation record.                                       */
+  /*                                                                       */
+  typedef struct  TT_Transform_
+  {
+    FT_Fixed    xx, xy;     /* transformation matrix coefficients */
+    FT_Fixed    yx, yy;
+    FT_F26Dot6  ox, oy;     /* offsets                            */
+
+  } TT_Transform;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* A note regarding non-squared pixels:                                  */
+  /*                                                                       */
+  /* (This text will probably go into some docs at some time; for now, it  */
+  /* is kept here to explain some definitions in the TT_Size_Metrics       */
+  /* record).                                                              */
+  /*                                                                       */
+  /* The CVT is a one-dimensional array containing values that control     */
+  /* certain important characteristics in a font, like the height of all   */
+  /* capitals, all lowercase letter, default spacing or stem width/height. */
+  /*                                                                       */
+  /* These values are found in FUnits in the font file, and must be scaled */
+  /* to pixel coordinates before being used by the CVT and glyph programs. */
+  /* Unfortunately, when using distinct x and y resolutions (or distinct x */
+  /* and y pointsizes), there are two possible scalings.                   */
+  /*                                                                       */
+  /* A first try was to implement a `lazy' scheme where all values were    */
+  /* scaled when first used.  However, while some values are always used   */
+  /* in the same direction, some others are used under many different      */
+  /* circumstances and orientations.                                       */
+  /*                                                                       */
+  /* I have found a simpler way to do the same, and it even seems to work  */
+  /* in most of the cases:                                                 */
+  /*                                                                       */
+  /* - All CVT values are scaled to the maximum ppem size.                 */
+  /*                                                                       */
+  /* - When performing a read or write in the CVT, a ratio factor is used  */
+  /*   to perform adequate scaling.  Example:                              */
+  /*                                                                       */
+  /*     x_ppem = 14                                                       */
+  /*     y_ppem = 10                                                       */
+  /*                                                                       */
+  /*   We choose ppem = x_ppem = 14 as the CVT scaling size.  All cvt      */
+  /*   entries are scaled to it.                                           */
+  /*                                                                       */
+  /*     x_ratio = 1.0                                                     */
+  /*     y_ratio = y_ppem/ppem (< 1.0)                                     */
+  /*                                                                       */
+  /*   We compute the current ratio like:                                  */
+  /*                                                                       */
+  /*   - If projVector is horizontal,                                      */
+  /*       ratio = x_ratio = 1.0                                           */
+  /*                                                                       */
+  /*   - if projVector is vertical,                                        */
+  /*       ratio = y_ratio                                                 */
+  /*                                                                       */
+  /*   - else,                                                             */
+  /*       ratio = sqrt( (proj.x * x_ratio) ^ 2 + (proj.y * y_ratio) ^ 2 ) */
+  /*                                                                       */
+  /*   Reading a cvt value returns                                         */
+  /*     ratio * cvt[index]                                                */
+  /*                                                                       */
+  /*   Writing a cvt value in pixels:                                      */
+  /*     cvt[index] / ratio                                                */
+  /*                                                                       */
+  /*   The current ppem is simply                                          */
+  /*     ratio * ppem                                                      */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Metrics used by the TrueType size and context objects.                */
+  /*                                                                       */
+  typedef struct  TT_Size_Metrics_
+  {
+    /* for non-square pixels */
+    FT_Long     x_ratio;
+    FT_Long     y_ratio;
+
+    FT_UShort   ppem;               /* maximum ppem size              */
+    FT_Long     ratio;              /* current ratio                  */
+    FT_Fixed    scale;
+
+    FT_F26Dot6  compensations[4];   /* device-specific compensations  */
+
+    FT_Bool     valid;
+
+    FT_Bool     rotated;            /* `is the glyph rotated?'-flag   */
+    FT_Bool     stretched;          /* `is the glyph stretched?'-flag */
+
+  } TT_Size_Metrics;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* TrueType size class.                                                  */
+  /*                                                                       */
+  typedef struct  TT_SizeRec_
+  {
+    FT_SizeRec         root;
+
+    /* we have our own copy of metrics so that we can modify */
+    /* it without affecting auto-hinting (when used)         */
+    FT_Size_Metrics    metrics;
+
+    TT_Size_Metrics    ttmetrics;
+
+    FT_ULong           strike_index;      /* 0xFFFFFFFF to indicate invalid */
+
+#ifdef TT_USE_BYTECODE_INTERPRETER
+
+    FT_UInt            num_function_defs; /* number of function definitions */
+    FT_UInt            max_function_defs;
+    TT_DefArray        function_defs;     /* table of function definitions  */
+
+    FT_UInt            num_instruction_defs;  /* number of ins. definitions */
+    FT_UInt            max_instruction_defs;
+    TT_DefArray        instruction_defs;      /* table of ins. definitions  */
+
+    FT_UInt            max_func;
+    FT_UInt            max_ins;
+
+    TT_CodeRangeTable  codeRangeTable;
+
+    TT_GraphicsState   GS;
+
+    FT_ULong           cvt_size;      /* the scaled control value table */
+    FT_Long*           cvt;
+
+    FT_UShort          storage_size; /* The storage area is now part of */
+    FT_Long*           storage;      /* the instance                    */
+
+    TT_GlyphZoneRec    twilight;     /* The instance's twilight zone    */
+
+    /* debugging variables */
+
+    /* When using the debugger, we must keep the */
+    /* execution context tied to the instance    */
+    /* object rather than asking it on demand.   */
+
+    FT_Bool            debug;
+    TT_ExecContext     context;
+
+    /* if negative, `fpgm' (resp. `prep'), wasn't executed yet; */
+    /* otherwise it is the returned error code                  */
+    FT_Error           bytecode_ready;
+    FT_Error           cvt_ready;
+
+#endif /* TT_USE_BYTECODE_INTERPRETER */
+
+  } TT_SizeRec;
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* TrueType driver class.                                                */
+  /*                                                                       */
+  typedef struct  TT_DriverRec_
+  {
+    FT_DriverRec  root;
+
+    TT_ExecContext   context;  /* execution context        */
+    TT_GlyphZoneRec  zone;     /* glyph loader points zone */
+
+    FT_UInt  interpreter_version;
+
+  } TT_DriverRec;
+
+
+  /* Note: All of the functions below (except tt_size_reset()) are used    */
+  /* as function pointers in a FT_Driver_ClassRec.  Therefore their        */
+  /* parameters are of types FT_Face, FT_Size, etc., rather than TT_Face,  */
+  /* TT_Size, etc., so that the compiler can confirm that the types and    */
+  /* number of parameters are correct.  In all cases the FT_xxx types are  */
+  /* cast to their TT_xxx counterparts inside the functions since FreeType */
+  /* will always use the TT driver to create them.                         */
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Face functions                                                        */
+  /*                                                                       */
+  FT_LOCAL( FT_Error )
+  tt_face_init( FT_Stream      stream,
+                FT_Face        ttface,      /* TT_Face */
+                FT_Int         face_index,
+                FT_Int         num_params,
+                FT_Parameter*  params );
+
+  FT_LOCAL( void )
+  tt_face_done( FT_Face  ttface );          /* TT_Face */
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Size functions                                                        */
+  /*                                                                       */
+  FT_LOCAL( FT_Error )
+  tt_size_init( FT_Size  ttsize );          /* TT_Size */
+
+  FT_LOCAL( void )
+  tt_size_done( FT_Size  ttsize );          /* TT_Size */
+
+#ifdef TT_USE_BYTECODE_INTERPRETER
+
+  FT_LOCAL( FT_Error )
+  tt_size_run_fpgm( TT_Size  size,
+                    FT_Bool  pedantic );
+
+  FT_LOCAL( FT_Error )
+  tt_size_run_prep( TT_Size  size,
+                    FT_Bool  pedantic );
+
+  FT_LOCAL( FT_Error )
+  tt_size_ready_bytecode( TT_Size  size,
+                          FT_Bool  pedantic );
+
+#endif /* TT_USE_BYTECODE_INTERPRETER */
+
+  FT_LOCAL( FT_Error )
+  tt_size_reset( TT_Size  size );
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Driver functions                                                      */
+  /*                                                                       */
+  FT_LOCAL( FT_Error )
+  tt_driver_init( FT_Module  ttdriver );    /* TT_Driver */
+
+  FT_LOCAL( void )
+  tt_driver_done( FT_Module  ttdriver );    /* TT_Driver */
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Slot functions                                                        */
+  /*                                                                       */
+  FT_LOCAL( FT_Error )
+  tt_slot_init( FT_GlyphSlot  slot );
+
+
+  /* auxiliary */
+#define IS_HINTED( flags )  ( ( flags & FT_LOAD_NO_HINTING ) == 0 )
+
+
+FT_END_HEADER
+
+#endif /* __TTOBJS_H__ */
+
+
+/* END */