ttsbit0.c File Reference

#include <ft2build.h>
#include "ttsbit.h"
#include "sferrors.h"

Go to the source code of this file.

Classes
struct	TT_SBitDecoderRec_
Defines
#define	FT_COMPONENT   trace_ttsbit
Typedefs
typedef TT_SBitDecoderRec_	TT_SBitDecoderRec
typedef TT_SBitDecoderRec_ *	TT_SBitDecoder
typedef FT_Error(*)	TT_SBitDecoder_LoadFunc (TT_SBitDecoder decoder, FT_Byte *p, FT_Byte *plimit, FT_Int x_pos, FT_Int y_pos)
Functions
	tt_face_load_eblc (TT_Face face, FT_Stream stream)
	tt_face_free_eblc (TT_Face face)
	tt_face_set_sbit_strike (TT_Face face, FT_Size_Request req, FT_ULong *astrike_index)
	tt_face_load_strike_metrics (TT_Face face, FT_ULong strike_index, FT_Size_Metrics *metrics)
static FT_Error	tt_sbit_decoder_init (TT_SBitDecoder decoder, TT_Face face, FT_ULong strike_index, TT_SBit_MetricsRec *metrics)
static void	tt_sbit_decoder_done (TT_SBitDecoder decoder)
static FT_Error	tt_sbit_decoder_alloc_bitmap (TT_SBitDecoder decoder)
static FT_Error	tt_sbit_decoder_load_metrics (TT_SBitDecoder decoder, FT_Byte **pp, FT_Byte *limit, FT_Bool big)
static FT_Error	tt_sbit_decoder_load_image (TT_SBitDecoder decoder, FT_UInt glyph_index, FT_Int x_pos, FT_Int y_pos)
static FT_Error	tt_sbit_decoder_load_byte_aligned (TT_SBitDecoder decoder, FT_Byte *p, FT_Byte *limit, FT_Int x_pos, FT_Int y_pos)
static FT_Error	tt_sbit_decoder_load_bit_aligned (TT_SBitDecoder decoder, FT_Byte *p, FT_Byte *limit, FT_Int x_pos, FT_Int y_pos)
static FT_Error	tt_sbit_decoder_load_compound (TT_SBitDecoder decoder, FT_Byte *p, FT_Byte *limit, FT_Int x_pos, FT_Int y_pos)
static FT_Error	tt_sbit_decoder_load_bitmap (TT_SBitDecoder decoder, FT_UInt glyph_format, FT_ULong glyph_start, FT_ULong glyph_size, FT_Int x_pos, FT_Int y_pos)
	tt_face_load_sbit_image (TT_Face face, FT_ULong strike_index, FT_UInt glyph_index, FT_UInt load_flags, FT_Stream stream, FT_Bitmap *map, TT_SBit_MetricsRec *metrics)

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Define Documentation

#define FT_COMPONENT   trace_ttsbit

Definition at line 39 of file ttsbit0.c.

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Typedef Documentation

typedef struct TT_SBitDecoderRec_ * TT_SBitDecoder

typedef FT_Error(*) TT_SBitDecoder_LoadFunc(TT_SBitDecoder decoder, FT_Byte *p, FT_Byte *plimit, FT_Int x_pos, FT_Int y_pos)

Definition at line 362 of file ttsbit0.c.

typedef struct TT_SBitDecoderRec_ TT_SBitDecoderRec

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Function Documentation

tt_face_free_eblc

(

TT_Face

face

)

Definition at line 110 of file ttsbit0.c.

References FT_FRAME_RELEASE, and PC3::stream().

tt_face_load_eblc	(	TT_Face	face,
		FT_Stream	stream
	)

Definition at line 43 of file ttsbit0.c.

References error, FT_ERROR, FT_FRAME_EXTRACT, FT_FRAME_RELEASE, FT_NEXT_ULONG, FT_TRACE3, p, TTAG_bloc, TTAG_EBLC, and version.

tt_face_load_sbit_image	(	TT_Face	face,
		FT_ULong	strike_index,
		FT_UInt	glyph_index,
		FT_UInt	load_flags,
		FT_Stream	stream,
		FT_Bitmap *	map,
		TT_SBit_MetricsRec *	metrics
	)

Definition at line 985 of file ttsbit0.c.

References error, FT_UNUSED, tt_sbit_decoder_done(), tt_sbit_decoder_init(), and tt_sbit_decoder_load_image().

tt_face_load_strike_metrics	(	TT_Face	face,
		FT_ULong	strike_index,
		FT_Size_Metrics *	metrics
	)

Definition at line 131 of file ttsbit0.c.

tt_face_set_sbit_strike	(	TT_Face	face,
		FT_Size_Request	req,
		FT_ULong *	astrike_index
	)

Definition at line 122 of file ttsbit0.c.

References FT_Match_Size().

static FT_Error tt_sbit_decoder_alloc_bitmap

(

TT_SBitDecoder

decoder

)

[static]

Definition at line 250 of file ttsbit0.c.

References TT_SBitDecoderRec_::bit_depth, TT_SBitDecoderRec_::bitmap, TT_SBitDecoderRec_::bitmap_allocated, error, TT_SBitDecoderRec_::face, ft_glyphslot_alloc_bitmap(), FT_PIXEL_MODE_GRAY, FT_PIXEL_MODE_GRAY2, FT_PIXEL_MODE_GRAY4, FT_PIXEL_MODE_MONO, FT_FaceRec_::glyph, TT_SBit_MetricsRec_::height, height, int, TT_SBitDecoderRec_::metrics, TT_SBitDecoderRec_::metrics_loaded, FT_Bitmap_::pitch, FT_Bitmap_::pixel_mode, TT_FaceRec_::root, FT_Bitmap_::rows, size, FT_Bitmap_::width, TT_SBit_MetricsRec_::width, and width.

Referenced by tt_sbit_decoder_load_bit_aligned(), tt_sbit_decoder_load_byte_aligned(), and tt_sbit_decoder_load_compound().

static void tt_sbit_decoder_done

(

TT_SBitDecoder

decoder

)

[static]

Definition at line 243 of file ttsbit0.c.

References FT_UNUSED.

Referenced by tt_face_load_sbit_image().

static FT_Error tt_sbit_decoder_init	(	TT_SBitDecoder	decoder,
		TT_Face	face,
		FT_ULong	strike_index,
		TT_SBit_MetricsRec *	metrics
	)			[static]

Definition at line 182 of file ttsbit0.c.

References TT_SBitDecoderRec_::bit_depth, TT_SBitDecoderRec_::bitmap, TT_SBitDecoderRec_::bitmap_allocated, TT_SBitDecoderRec_::ebdt_size, TT_SBitDecoderRec_::ebdt_start, TT_SBitDecoderRec_::eblc_base, TT_SBitDecoderRec_::eblc_limit, error, TT_SBitDecoderRec_::face, FT_NEXT_ULONG, FT_STREAM_POS, metrics(), TT_SBitDecoderRec_::metrics, TT_SBitDecoderRec_::metrics_loaded, p, TT_SBitDecoderRec_::stream, PC3::stream(), TT_SBitDecoderRec_::strike_index_array, TT_SBitDecoderRec_::strike_index_count, TTAG_bdat, and TTAG_EBDT.

Referenced by tt_face_load_sbit_image().

static FT_Error tt_sbit_decoder_load_bit_aligned	(	TT_SBitDecoder	decoder,
		FT_Byte *	p,
		FT_Byte *	limit,
		FT_Int	x_pos,
		FT_Int	y_pos
	)			[static]

Definition at line 508 of file ttsbit0.c.

References TT_SBitDecoderRec_::bitmap, TT_SBitDecoderRec_::bitmap_allocated, FT_Bitmap_::buffer, error, h, TT_SBit_MetricsRec_::height, height, line, TT_SBitDecoderRec_::metrics, nbits, FT_Bitmap_::pitch, FT_Bitmap_::rows, tt_sbit_decoder_alloc_bitmap(), w, FT_Bitmap_::width, TT_SBit_MetricsRec_::width, width, and write.

Referenced by tt_sbit_decoder_load_bitmap().

static FT_Error tt_sbit_decoder_load_bitmap	(	TT_SBitDecoder	decoder,
		FT_UInt	glyph_format,
		FT_ULong	glyph_start,
		FT_ULong	glyph_size,
		FT_Int	x_pos,
		FT_Int	y_pos
	)			[static]

Definition at line 695 of file ttsbit0.c.

References data, TT_SBitDecoderRec_::ebdt_size, TT_SBitDecoderRec_::ebdt_start, error, FT_FRAME_EXTRACT, FT_FRAME_RELEASE, FT_STREAM_SEEK, p, TT_SBitDecoderRec_::stream, PC3::stream(), tt_sbit_decoder_load_bit_aligned(), tt_sbit_decoder_load_byte_aligned(), tt_sbit_decoder_load_compound(), and tt_sbit_decoder_load_metrics().

Referenced by tt_sbit_decoder_load_image().

static FT_Error tt_sbit_decoder_load_byte_aligned	(	TT_SBitDecoder	decoder,
		FT_Byte *	p,
		FT_Byte *	limit,
		FT_Int	x_pos,
		FT_Int	y_pos
	)			[static]

Definition at line 370 of file ttsbit0.c.

References TT_SBitDecoderRec_::bitmap, TT_SBitDecoderRec_::bitmap_allocated, FT_Bitmap_::buffer, error, h, TT_SBit_MetricsRec_::height, height, line, TT_SBitDecoderRec_::metrics, FT_Bitmap_::pitch, FT_Bitmap_::rows, tt_sbit_decoder_alloc_bitmap(), w, FT_Bitmap_::width, TT_SBit_MetricsRec_::width, width, and write.

Referenced by tt_sbit_decoder_load_bitmap().

static FT_Error tt_sbit_decoder_load_compound	(	TT_SBitDecoder	decoder,
		FT_Byte *	p,
		FT_Byte *	limit,
		FT_Int	x_pos,
		FT_Int	y_pos
	)			[static]

Definition at line 631 of file ttsbit0.c.

References TT_SBitDecoderRec_::bitmap, TT_SBitDecoderRec_::bitmap_allocated, error, FT_NEXT_BYTE, FT_NEXT_USHORT, TT_SBit_MetricsRec_::height, TT_SBit_MetricsRec_::horiAdvance, TT_SBit_MetricsRec_::horiBearingX, TT_SBit_MetricsRec_::horiBearingY, TT_SBitDecoderRec_::metrics, FT_Bitmap_::rows, tt_sbit_decoder_alloc_bitmap(), tt_sbit_decoder_load_image(), TT_SBit_MetricsRec_::vertAdvance, TT_SBit_MetricsRec_::vertBearingX, TT_SBit_MetricsRec_::vertBearingY, FT_Bitmap_::width, and TT_SBit_MetricsRec_::width.

Referenced by tt_sbit_decoder_load_bitmap().

static FT_Error tt_sbit_decoder_load_image	(	TT_SBitDecoder	decoder,
		FT_UInt	glyph_index,
		FT_Int	x_pos,
		FT_Int	y_pos
	)			[static]

Definition at line 789 of file ttsbit0.c.

References TT_SBitDecoderRec_::eblc_base, TT_SBitDecoderRec_::eblc_limit, FT_NEXT_ULONG, FT_NEXT_USHORT, FT_PEEK_USHORT, p, start, TT_SBitDecoderRec_::strike_index_array, TT_SBitDecoderRec_::strike_index_count, tt_sbit_decoder_load_bitmap(), and tt_sbit_decoder_load_metrics().

Referenced by tt_face_load_sbit_image(), and tt_sbit_decoder_load_compound().

static FT_Error tt_sbit_decoder_load_metrics	(	TT_SBitDecoder	decoder,
		FT_Byte **	pp,
		FT_Byte *	limit,
		FT_Bool	big
	)			[static]

Definition at line 315 of file ttsbit0.c.

References metrics(), TT_SBitDecoderRec_::metrics, TT_SBitDecoderRec_::metrics_loaded, and p.

Referenced by tt_sbit_decoder_load_bitmap(), and tt_sbit_decoder_load_image().

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