#include "ftraster.h"
#include <freetype/internal/ftcalc.h>
#include <freetype/ftoutln.h>
#include <freetype/internal/ftobjs.h>
#include <freetype/internal/ftdebug.h>
#include "rasterrs.h"

Include dependency graph for ftraster.c:

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Go to the source code of this file.

Classes
union	Alignment_

struct	TPoint_

struct	TProfile_

struct	black_TBand_

struct	black_TWorker_

struct	black_TRaster_

Macros
#define	FT_COMPONENT raster

#define	Raster_Err_None FT_Err_Ok

#define	Raster_Err_Not_Ini Raster_Err_Raster_Uninitialized

#define	Raster_Err_Overflow Raster_Err_Raster_Overflow

#define	Raster_Err_Neg_Height Raster_Err_Raster_Negative_Height

#define	Raster_Err_Invalid Raster_Err_Invalid_Outline

#define	Raster_Err_Unsupported Raster_Err_Cannot_Render_Glyph

#define	FT_MEM_SET(d, s, c) ft_memset( d, s, c )

#define	FT_MEM_ZERO(dest, count) FT_MEM_SET( dest, 0, count )

#define	FT_ZERO(p) FT_MEM_ZERO( p, sizeof ( *(p) ) )

#define	FMulDiv(a, b, c) ( (a) * (b) / (c) )

#define	SMulDiv FT_MulDiv

#define	SMulDiv_No_Round FT_MulDiv_No_Round

#define	TRUE 1

#define	FALSE 0

#define	NULL (void*)0

#define	SUCCESS 0

#define	FAILURE 1

#define	MaxBezier 32 /* The maximum number of stacked Bezier curves. */

#define	Pixel_Bits 6 /* fractional bits of input coordinates */

#define	Flow_Up 0x08U

#define	Overshoot_Top 0x10U

#define	Overshoot_Bottom 0x20U

#define	AlignProfileSize ( ( sizeof ( TProfile ) + sizeof ( Alignment ) - 1 ) / sizeof ( Long ) )

#define	RAS_ARGS black_PWorker worker,

#define	RAS_ARG black_PWorker worker

#define	RAS_VARS worker,

#define	RAS_VAR worker

#define	FT_UNUSED_RASTER FT_UNUSED( worker )

#define	FLOOR(x) ( (x) & -ras.precision )

#define	CEILING(x) ( ( (x) + ras.precision - 1 ) & -ras.precision )

#define	TRUNC(x) ( (Long)(x) >> ras.precision_bits )

#define	FRAC(x) ( (x) & ( ras.precision - 1 ) )

#define	SCALED(x) ( (x) * ras.precision_scale - ras.precision_half )

#define	IS_BOTTOM_OVERSHOOT(x) (Bool)( CEILING( x ) - x >= ras.precision_half )

#define	IS_TOP_OVERSHOOT(x) (Bool)( x - FLOOR( x ) >= ras.precision_half )

#define	SMART(p, q) FLOOR( ( (p) + (q) + ras.precision * 63 / 64 ) >> 1 )

#define	FT_MAX_BLACK_POOL ( 2048 / sizeof ( Long ) )

#define	ras (*worker)

#define	SWAP_(x, y)

Typedefs
typedef int	Int

typedef unsigned int	UInt

typedef short	Short

typedef unsigned short	UShort

typedef unsigned short *	PUShort

typedef long	Long

typedef long *	PLong

typedef unsigned long	ULong

typedef unsigned char	Byte

typedef unsigned char *	PByte

typedef char	Bool

typedef union Alignment_	Alignment

typedef union Alignment_ *	PAlignment

typedef struct TPoint_	TPoint

typedef enum TStates_	TStates

typedef struct TProfile_	TProfile

typedef TProfile *	PProfile

typedef PProfile	TProfileList

typedef PProfile *	PProfileList

typedef struct black_TBand_	black_TBand

typedef struct black_TWorker_	black_TWorker

typedef struct black_TWorker_ *	black_PWorker

typedef void	Function_Sweep_Init(RAS_ARGS Short min, Short max)

typedef void	Function_Sweep_Span(RAS_ARGS Short y, FT_F26Dot6 x1, FT_F26Dot6 x2, PProfile left, PProfile right)

typedef void	Function_Sweep_Step(RAS_ARG)

typedef struct black_TRaster_	black_TRaster

typedef struct black_TRaster_ *	black_PRaster

typedef void(*	TSplitter) (TPoint *base)

Enumerations
enum	TStates_ { Unknown_State , Ascending_State , Descending_State , Flat_State }

Macro Definition Documentation

◆ AlignProfileSize

#define AlignProfileSize ( ( sizeof ( TProfile ) + sizeof ( Alignment ) - 1 ) / sizeof ( Long ) )

Definition at line 388 of file ftraster.c.

◆ CEILING

#define CEILING ( x ) ( ( (x) + ras.precision - 1 ) & -ras.precision )

Definition at line 450 of file ftraster.c.

◆ FAILURE

#define FAILURE 1

Definition at line 288 of file ftraster.c.

◆ FALSE

#define FALSE 0

Definition at line 276 of file ftraster.c.

◆ FLOOR

#define FLOOR ( x ) ( (x) & -ras.precision )

Definition at line 449 of file ftraster.c.

◆ Flow_Up

#define Flow_Up 0x08U

Definition at line 336 of file ftraster.c.

◆ FMulDiv

#define FMulDiv	(	a,
		b,
		c
	)	( (a) * (b) / (c) )

Definition at line 259 of file ftraster.c.

◆ FRAC

#define FRAC ( x ) ( (x) & ( ras.precision - 1 ) )

Definition at line 452 of file ftraster.c.

◆ FT_COMPONENT

#define FT_COMPONENT raster

CONFIGURATION MACROS
OTHER MACROS (do not change)

Definition at line 171 of file ftraster.c.

◆ FT_MAX_BLACK_POOL

#define FT_MAX_BLACK_POOL ( 2048 / sizeof ( Long ) )

Definition at line 470 of file ftraster.c.

◆ FT_MEM_SET

#define FT_MEM_SET	(	d,
		s,
		c
	)	ft_memset( d, s, c )

Definition at line 245 of file ftraster.c.

◆ FT_MEM_ZERO

#define FT_MEM_ZERO	(	dest,
		count
	)	FT_MEM_SET( dest, 0, count )

Definition at line 249 of file ftraster.c.

◆ FT_UNUSED_RASTER

#define FT_UNUSED_RASTER FT_UNUSED( worker )

Definition at line 418 of file ftraster.c.

◆ FT_ZERO

#define FT_ZERO ( p ) FT_MEM_ZERO( p, sizeof ( *(p) ) )

Definition at line 253 of file ftraster.c.

◆ IS_BOTTOM_OVERSHOOT

#define IS_BOTTOM_OVERSHOOT ( x ) (Bool)( CEILING( x ) - x >= ras.precision_half )

Definition at line 457 of file ftraster.c.

◆ IS_TOP_OVERSHOOT

#define IS_TOP_OVERSHOOT ( x ) (Bool)( x - FLOOR( x ) >= ras.precision_half )

Definition at line 459 of file ftraster.c.

◆ MaxBezier

#define MaxBezier 32 /* The maximum number of stacked Bezier curves. */

Definition at line 292 of file ftraster.c.

◆ NULL

#define NULL (void*)0

Definition at line 280 of file ftraster.c.

◆ Overshoot_Bottom

#define Overshoot_Bottom 0x20U

Definition at line 338 of file ftraster.c.

◆ Overshoot_Top

#define Overshoot_Top 0x10U

Definition at line 337 of file ftraster.c.

◆ Pixel_Bits

#define Pixel_Bits 6 /* fractional bits of *input* coordinates */

Definition at line 296 of file ftraster.c.

◆ ras

#define ras (*worker)

Definition at line 557 of file ftraster.c.

◆ RAS_ARG

#define RAS_ARG black_PWorker worker

Definition at line 413 of file ftraster.c.

◆ RAS_ARGS

#define RAS_ARGS black_PWorker worker,

Definition at line 412 of file ftraster.c.

◆ RAS_VAR

#define RAS_VAR worker

Definition at line 416 of file ftraster.c.

◆ RAS_VARS

#define RAS_VARS worker,

Definition at line 415 of file ftraster.c.

◆ Raster_Err_Invalid

#define Raster_Err_Invalid Raster_Err_Invalid_Outline

Definition at line 237 of file ftraster.c.

◆ Raster_Err_Neg_Height

#define Raster_Err_Neg_Height Raster_Err_Raster_Negative_Height

Definition at line 236 of file ftraster.c.

◆ Raster_Err_None

#define Raster_Err_None FT_Err_Ok

Definition at line 233 of file ftraster.c.

◆ Raster_Err_Not_Ini

#define Raster_Err_Not_Ini Raster_Err_Raster_Uninitialized

Definition at line 234 of file ftraster.c.

◆ Raster_Err_Overflow

#define Raster_Err_Overflow Raster_Err_Raster_Overflow

Definition at line 235 of file ftraster.c.

◆ Raster_Err_Unsupported

#define Raster_Err_Unsupported Raster_Err_Cannot_Render_Glyph

Definition at line 238 of file ftraster.c.

◆ SCALED

#define SCALED ( x ) ( (x) * ras.precision_scale - ras.precision_half )

Definition at line 455 of file ftraster.c.

◆ SMART

#define SMART	(	p,
		q
	)	FLOOR( ( (p) + (q) + ras.precision * 63 / 64 ) >> 1 )

Definition at line 465 of file ftraster.c.

◆ SMulDiv

#define SMulDiv FT_MulDiv

Definition at line 264 of file ftraster.c.

◆ SMulDiv_No_Round

#define SMulDiv_No_Round FT_MulDiv_No_Round

Definition at line 265 of file ftraster.c.

◆ SUCCESS

#define SUCCESS 0

Definition at line 284 of file ftraster.c.

◆ SWAP_

#define SWAP_	(	x,
		y
	)

Value:

                       do                \
                       {                 \
                         Long  swap = x; \
                                         \
                                         \
                         x = y;          \
                         y = swap;       \
                       } while ( 0 )

Definition at line 1735 of file ftraster.c.

◆ TRUE

#define TRUE 1

Definition at line 272 of file ftraster.c.

◆ TRUNC

#define TRUNC ( x ) ( (Long)(x) >> ras.precision_bits )

Definition at line 451 of file ftraster.c.

Typedef Documentation

◆ Alignment

typedef union Alignment_ Alignment

◆ black_PRaster

typedef struct black_TRaster_ * black_PRaster

◆ black_PWorker

typedef struct black_TWorker_ * black_PWorker

Definition at line 424 of file ftraster.c.

◆ black_TBand

typedef struct black_TBand_ black_TBand

◆ black_TRaster

typedef struct black_TRaster_ black_TRaster

◆ black_TWorker

typedef struct black_TWorker_ black_TWorker

Definition at line 375 of file ftraster.c.

◆ Bool

typedef char Bool

Definition at line 315 of file ftraster.c.

◆ Byte

typedef unsigned char Byte

Definition at line 314 of file ftraster.c.

◆ Function_Sweep_Init

typedef void Function_Sweep_Init(RAS_ARGS Short *min, Short *max)

Definition at line 429 of file ftraster.c.

◆ Function_Sweep_Span

typedef void Function_Sweep_Span(RAS_ARGS Short y, FT_F26Dot6 x1, FT_F26Dot6 x2, PProfile left, PProfile right)

Definition at line 433 of file ftraster.c.

◆ Function_Sweep_Step

typedef void Function_Sweep_Step(RAS_ARG)

Definition at line 440 of file ftraster.c.

◆ Int

typedef int Int

SIMPLE TYPE DECLARATIONS

Definition at line 307 of file ftraster.c.

◆ Long

typedef long Long

Definition at line 311 of file ftraster.c.

◆ PAlignment

typedef union Alignment_ * PAlignment

◆ PByte

typedef unsigned char * PByte

Definition at line 314 of file ftraster.c.

◆ PLong

typedef long * PLong

Definition at line 311 of file ftraster.c.

◆ PProfile

typedef TProfile* PProfile

Definition at line 353 of file ftraster.c.

◆ PProfileList

typedef PProfile* PProfileList

Definition at line 375 of file ftraster.c.

◆ PUShort

typedef unsigned short * PUShort

Definition at line 310 of file ftraster.c.

◆ Short

typedef short Short

Definition at line 309 of file ftraster.c.

◆ TPoint

typedef struct TPoint_ TPoint

◆ TProfile

typedef struct TProfile_ TProfile