core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttinterp.h - Issue 815103002: Update freetype to 2.5.4.

Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttinterp.h

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Adjust GYP and GN Created 6 years ago

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Index: core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttinterp.h

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttinterp.h b/core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttinterp.h

deleted file mode 100644

index 3acfade64aaf726d000618b6e61daebd085e8c04..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/truetype/ttinterp.h

+++ /dev/null

@@ -1,397 +0,0 @@

-/***************************************************************************/

-/* */

-/* ttinterp.h */

-/* */

-/* TrueType bytecode interpreter (specification). */

-/* */

-/* 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 __TTINTERP_H__

-#define __TTINTERP_H__

-#include "../../include/ft2build.h"

-#include "ttobjs.h"

-FT_BEGIN_HEADER

-#ifndef TT_CONFIG_OPTION_STATIC_INTERPRETER /* indirect implementation */

-#define EXEC_OP_ TT_ExecContext exc,

-#define EXEC_OP TT_ExecContext exc

-#define EXEC_ARG_ exc,

-#define EXEC_ARG exc

-#else /* static implementation */

-#define EXEC_OP_ /* void */

-#define EXEC_OP /* void */

-#define EXEC_ARG_ /* void */

-#define EXEC_ARG /* void */

-#endif /* TT_CONFIG_OPTION_STATIC_INTERPRETER */

- /*************************************************************************/

- /* */

- /* Rounding mode constants. */

- /* */

-#define TT_Round_Off 5

-#define TT_Round_To_Half_Grid 0

-#define TT_Round_To_Grid 1

-#define TT_Round_To_Double_Grid 2

-#define TT_Round_Up_To_Grid 4

-#define TT_Round_Down_To_Grid 3

-#define TT_Round_Super 6

-#define TT_Round_Super_45 7

- /*************************************************************************/

- /* */

- /* Function types used by the interpreter, depending on various modes */

- /* (e.g. the rounding mode, whether to render a vertical or horizontal */

- /* line etc). */

- /* */

- /*************************************************************************/

- /* Rounding function */

- typedef FT_F26Dot6

- (*TT_Round_Func)( EXEC_OP_ FT_F26Dot6 distance,

- FT_F26Dot6 compensation );

- /* Point displacement along the freedom vector routine */

- typedef void

- (*TT_Move_Func)( EXEC_OP_ TT_GlyphZone zone,

- FT_UShort point,

- FT_F26Dot6 distance );

- /* Distance projection along one of the projection vectors */

- typedef FT_F26Dot6

- (*TT_Project_Func)( EXEC_OP_ FT_Pos dx,

- FT_Pos dy );

- /* reading a cvt value. Take care of non-square pixels if necessary */

- typedef FT_F26Dot6

- (*TT_Get_CVT_Func)( EXEC_OP_ FT_ULong idx );

- /* setting or moving a cvt value. Take care of non-square pixels */

- /* if necessary */

- typedef void

- (*TT_Set_CVT_Func)( EXEC_OP_ FT_ULong idx,

- FT_F26Dot6 value );

- /*************************************************************************/

- /* */

- /* This structure defines a call record, used to manage function calls. */

- /* */

- typedef struct TT_CallRec_

- {

- FT_Int Caller_Range;

- FT_Long Caller_IP;

- FT_Long Cur_Count;

- FT_Long Cur_Restart;

- FT_Long Cur_End;

- } TT_CallRec, *TT_CallStack;

-#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING

- /*************************************************************************/

- /* */

- /* These structures define rules used to tweak subpixel hinting for */

- /* various fonts. "", 0, "", NULL value indicates to match any value. */

- /* */

-#define SPH_MAX_NAME_SIZE 32

-#define SPH_MAX_CLASS_MEMBERS 100

- typedef struct SPH_TweakRule_

- {

- const char family[SPH_MAX_NAME_SIZE];

- const FT_UInt ppem;

- const char style[SPH_MAX_NAME_SIZE];

- const FT_ULong glyph;

- } SPH_TweakRule;

- typedef struct SPH_ScaleRule_

- {

- const char family[SPH_MAX_NAME_SIZE];

- const FT_UInt ppem;

- const char style[SPH_MAX_NAME_SIZE];

- const FT_ULong glyph;

- const FT_ULong scale;

- } SPH_ScaleRule;

- typedef struct SPH_Font_Class_

- {

- const char name[SPH_MAX_NAME_SIZE];

- const char member[SPH_MAX_CLASS_MEMBERS][SPH_MAX_NAME_SIZE];

- } SPH_Font_Class;

-#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */

- /*************************************************************************/

- /* */

- /* The main structure for the interpreter which collects all necessary */

- /* variables and states. */

- /* */

- typedef struct TT_ExecContextRec_

- {

- TT_Face face;

- TT_Size size;

- FT_Memory memory;

- /* instructions state */

- FT_Error error; /* last execution error */

- FT_Long top; /* top of exec. stack */

- FT_UInt stackSize; /* size of exec. stack */

- FT_Long* stack; /* current exec. stack */

- FT_Long args;

- FT_UInt new_top; /* new top after exec. */

- TT_GlyphZoneRec zp0, /* zone records */

- zp1,

- zp2,

- pts,

- twilight;

- FT_Size_Metrics metrics;

- TT_Size_Metrics tt_metrics; /* size metrics */

- TT_GraphicsState GS; /* current graphics state */

- FT_Int curRange; /* current code range number */

- FT_Byte* code; /* current code range */

- FT_Long IP; /* current instruction pointer */

- FT_Long codeSize; /* size of current range */

- FT_Byte opcode; /* current opcode */

- FT_Int length; /* length of current opcode */

- FT_Bool step_ins; /* true if the interpreter must */

- /* increment IP after ins. exec */

- FT_ULong cvtSize;

- FT_Long* cvt;

- FT_UInt glyphSize; /* glyph instructions buffer size */

- FT_Byte* glyphIns; /* glyph instructions buffer */

- FT_UInt numFDefs; /* number of function defs */

- FT_UInt maxFDefs; /* maximum number of function defs */

- TT_DefArray FDefs; /* table of FDefs entries */

- FT_UInt numIDefs; /* number of instruction defs */

- FT_UInt maxIDefs; /* maximum number of ins defs */

- TT_DefArray IDefs; /* table of IDefs entries */

- FT_UInt maxFunc; /* maximum function index */

- FT_UInt maxIns; /* maximum instruction index */

- FT_Int callTop, /* top of call stack during execution */

- callSize; /* size of call stack */

- TT_CallStack callStack; /* call stack */

- FT_UShort maxPoints; /* capacity of this context's `pts' */

- FT_Short maxContours; /* record, expressed in points and */

- /* contours. */

- TT_CodeRangeTable codeRangeTable; /* table of valid code ranges */

- /* useful for the debugger */

- FT_UShort storeSize; /* size of current storage */

- FT_Long* storage; /* storage area */

- FT_F26Dot6 period; /* values used for the */

- FT_F26Dot6 phase; /* `SuperRounding' */

- FT_F26Dot6 threshold;

-#if 0

- /* this seems to be unused */

- FT_Int cur_ppem; /* ppem along the current proj vector */

-#endif

- FT_Bool instruction_trap; /* If `True', the interpreter will */

- /* exit after each instruction */

- TT_GraphicsState default_GS; /* graphics state resulting from */

- /* the prep program */

- FT_Bool is_composite; /* true if the glyph is composite */

- FT_Bool pedantic_hinting; /* true if pedantic interpretation */

- /* latest interpreter additions */

- FT_Long F_dot_P; /* dot product of freedom and projection */

- /* vectors */

- TT_Round_Func func_round; /* current rounding function */

- TT_Project_Func func_project, /* current projection function */

- func_dualproj, /* current dual proj. function */

- func_freeProj; /* current freedom proj. func */

- TT_Move_Func func_move; /* current point move function */

- TT_Move_Func func_move_orig; /* move original position function */

- TT_Get_CVT_Func func_read_cvt; /* read a cvt entry */

- TT_Set_CVT_Func func_write_cvt; /* write a cvt entry (in pixels) */

- TT_Set_CVT_Func func_move_cvt; /* incr a cvt entry (in pixels) */

- FT_Bool grayscale; /* are we hinting for grayscale? */

-#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING

- TT_Round_Func func_round_sphn; /* subpixel rounding function */

- FT_Bool grayscale_hinting; /* Using grayscale hinting? */

- FT_Bool subpixel_hinting; /* Using subpixel hinting? */

- FT_Bool native_hinting; /* Using native hinting? */

- FT_Bool ignore_x_mode; /* Standard rendering mode for */

- /* subpixel hinting. On if gray */

- /* or subpixel hinting is on ) */

- /* The following 4 aren't fully implemented but here for MS rasterizer */

- /* compatibility. */

- FT_Bool compatible_widths; /* compatible widths? */

- FT_Bool symmetrical_smoothing; /* symmetrical_smoothing? */

- FT_Bool bgr; /* bgr instead of rgb? */

- FT_Bool subpixel_positioned; /* subpixel positioned */

- /* (DirectWrite ClearType)? */

- FT_Int rasterizer_version; /* MS rasterizer version */

- FT_Bool iup_called; /* IUP called for glyph? */

- FT_ULong sph_tweak_flags; /* flags to control */

- /* hint tweaks */

- FT_ULong sph_in_func_flags; /* flags to indicate if in */

- /* special functions */

-#endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */

- } TT_ExecContextRec;

- extern const TT_GraphicsState tt_default_graphics_state;

-#ifdef TT_USE_BYTECODE_INTERPRETER

- FT_LOCAL( FT_Error )

- TT_Goto_CodeRange( TT_ExecContext exec,

- FT_Int range,

- FT_Long IP );

- FT_LOCAL( FT_Error )

- TT_Set_CodeRange( TT_ExecContext exec,

- FT_Int range,

- void* base,

- FT_Long length );

- FT_LOCAL( FT_Error )

- TT_Clear_CodeRange( TT_ExecContext exec,

- FT_Int range );

- FT_LOCAL( FT_Error )

- Update_Max( FT_Memory memory,

- FT_ULong* size,

- FT_Long multiplier,

- void* _pbuff,

- FT_ULong new_max );

-#endif /* TT_USE_BYTECODE_INTERPRETER */

- /*************************************************************************/

- /* */

- /* <Function> */

- /* TT_New_Context */

- /* */

- /* <Description> */

- /* Queries the face context for a given font. Note that there is */

- /* now a _single_ execution context in the TrueType driver which is */

- /* shared among faces. */

- /* */

- /* <Input> */

- /* face :: A handle to the source face object. */

- /* */

- /* <Return> */

- /* A handle to the execution context. Initialized for `face'. */

- /* */

- /* <Note> */

- /* Only the glyph loader and debugger should call this function. */

- /* */

- FT_EXPORT( TT_ExecContext )

- TT_New_Context( TT_Driver driver );

-#ifdef TT_USE_BYTECODE_INTERPRETER

- FT_LOCAL( FT_Error )

- TT_Done_Context( TT_ExecContext exec );

- FT_LOCAL( FT_Error )

- TT_Load_Context( TT_ExecContext exec,

- TT_Face face,

- TT_Size size );

- FT_LOCAL( FT_Error )

- TT_Save_Context( TT_ExecContext exec,

- TT_Size ins );

- FT_LOCAL( FT_Error )

- TT_Run_Context( TT_ExecContext exec,

- FT_Bool debug );

-#endif /* TT_USE_BYTECODE_INTERPRETER */

- /*************************************************************************/

- /* */

- /* <Function> */

- /* TT_RunIns */

- /* */

- /* <Description> */

- /* Executes one or more instruction in the execution context. This */

- /* is the main function of the TrueType opcode interpreter. */

- /* */

- /* <Input> */

- /* exec :: A handle to the target execution context. */

- /* */

- /* <Return> */

- /* FreeType error code. 0 means success. */

- /* */

- /* <Note> */

- /* Only the object manager and debugger should call this function. */

- /* */

- /* This function is publicly exported because it is directly */

- /* invoked by the TrueType debugger. */

- /* */

- FT_EXPORT( FT_Error )

- TT_RunIns( TT_ExecContext exec );

-FT_END_HEADER

-#endif /* __TTINTERP_H__ */

-/* END */