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More formatting. 

About previous commitment: Added latest versions of (still unused)
config.guess and config.sub files.
This commit is contained in:
Werner Lemberg 2000-06-25 23:02:11 +00:00
parent dcd2e14c58
commit d7a046838f
8 changed files with 341 additions and 376 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/renderer/ftgrays.c
View File

@ -50,7 +50,7 @@
/* It is based on ideas that I initially found in Raph Levien's */
/* excellent LibArt graphics library (see http://www.levien.com/libart */
/* for more information, though the web pages do not tell anything */
/* about the renderer; you'll have to dive into the source code to */
/* about the renderer; you will have to dive into the source code to */
/* understand how it works). */
/* */
/* Note, however, that this is a _very_ different implementation */
@ -103,6 +103,7 @@
#include "ftimage.h"
#include "ftgrays.h"
/* This macro is used to indicate that a function parameter is unused. */
/* Its purpose is simply to reduce compiler warnings. Note also that */
/* simply defining it as `(void)x' doesn't avoid warnings with certain */
@ -135,6 +136,7 @@
/* define this to dump debugging information */
#define xxxDEBUG_GRAYS
/* as usual, for the speed hungry :-) */
#ifndef FT_STATIC_RASTER
@ -965,8 +967,8 @@
#ifdef SHELL_SORT
/* A simple shell sort algorithm that works directly on our */
/* cells table.. */
/* a simple shell sort algorithm that works directly on our */
/* cells table */
static
void shell_sort ( PCell cells,
int count )
@ -1440,7 +1442,7 @@
/*************************************************************************/
/* */
/* The following function should only compile in stand_alone mode, */
/* i.e., when building this component without the rest of FreeType. */
/* i.e., if building this component without the rest of FreeType. */
/* */
/*************************************************************************/

13
src/renderer/ftgrays.h
View File

@ -15,23 +15,27 @@
/* */
/***************************************************************************/
#ifndef FTGRAYS_H
#define FTGRAYS_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _STANDALONE_
#include "ftimage.h"
#else
#include <freetype/ftimage.h>
#endif
/*************************************************************************/
/* */
/* To make ftgrays.h independent from configuration files we check */
/* whether FT_EXPORT_DEF has been defined already. */
/* whether FT_EXPORT_VAR has been defined already. */
/* */
/* On some systems and compilers (Win32 mostly), an extra keyword is */
/* necessary to compile the library as a DLL. */
@ -42,8 +46,13 @@
FT_EXPORT_VAR( FT_Raster_Funcs ) ft_grays_raster;
#ifdef __cplusplus
}
#endif
#endif
#endif /* FTGRAYS_H */
/* END */

5
src/renderer/ftraster.c
View File

@ -236,6 +236,7 @@
typedef unsigned char Byte, *PByte;
typedef char Bool;
typedef struct TPoint_
{
Long x;
@ -303,6 +304,7 @@
#ifdef TT_STATIC_RASTER
#define RAS_ARGS /* void */
#define RAS_ARG /* void */
@ -311,8 +313,10 @@
#define UNUSED_RASTER do ; while ( 0 )
#else /* TT_STATIC_RASTER */
#define RAS_ARGS TRaster_Instance* raster,
#define RAS_ARG TRaster_Instance* raster
@ -321,6 +325,7 @@
#define UNUSED_RASTER UNUSED( raster )
#endif /* TT_STATIC_RASTER */

2
src/renderer/module.mk
View File

@ -1,6 +1,6 @@
make_module_list: add_renderer_module
# XXX: important, the standard renderer *MUST* be first on this list..
# XXX: important, the standard renderer *MUST* be first on this list!
#
add_renderer_module:
$(OPEN_DRIVER)ft_standard_renderer_class$(CLOSE_DRIVER)

74
src/renderer/renderer.c
View File

@ -1,36 +1,62 @@
/***************************************************************************/
/* */
/* renderer.c */
/* */
/* FreeType renderer module (body). */
/* */
/* Copyright 2000 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. */
/* */
/***************************************************************************/
#include <freetype/internal/ftobjs.h>
/* initialise renderer - init its raster */
static FT_Error ft_renderer_init( FT_Renderer render )
/* initialize renderer - init its raster */
static
FT_Error ft_renderer_init( FT_Renderer render )
{
FT_Library library = FT_MODULE_LIBRARY( render );
render->clazz->raster_class->raster_reset( render->raster,
library->raster_pool, library->raster_pool_size );
library->raster_pool,
library->raster_pool_size );
return 0;
}
/* sets render-specific mode */
static FT_Error ft_renderer_set_mode( FT_Renderer render,
/* set render-specific mode */
static
FT_Error ft_renderer_set_mode( FT_Renderer render,
FT_ULong mode_tag,
FT_Pointer data )
{
/* we simply pass it to the raster */
return render->clazz->raster_class->raster_set_mode(
render->raster, mode_tag, data );
return render->clazz->raster_class->raster_set_mode( render->raster,
mode_tag,
data );
}
/* transform a given glyph image */
static FT_Error ft_renderer_transform( FT_Renderer render,
static
FT_Error ft_renderer_transform( FT_Renderer render,
FT_GlyphSlot slot,
FT_Matrix* matrix,
FT_Vector* delta )
{
FT_Error error = FT_Err_Ok;
if ( slot->format != render->glyph_format )
{
error = FT_Err_Invalid_Argument;
@ -47,8 +73,10 @@
return error;
}
/* return the glyph's control box */
static void ft_renderer_get_cbox( FT_Renderer render,
static
void ft_renderer_get_cbox( FT_Renderer render,
FT_GlyphSlot slot,
FT_BBox* cbox )
{
@ -60,7 +88,8 @@
/* convert a slot's glyph image into a bitmap */
static FT_Error ft_renderer_render( FT_Renderer render,
static
FT_Error ft_renderer_render( FT_Renderer render,
FT_GlyphSlot slot,
FT_UInt mode,
FT_Vector* origin )
@ -74,6 +103,7 @@
FT_Raster_Params params;
/* check glyph image format */
if ( slot->format != render->glyph_format )
{
@ -142,7 +172,8 @@
/* render outline into the bitmap */
error = render->raster_render( render->raster, &params );
if (error) goto Exit;
if ( error )
goto Exit;
slot->format = ft_glyph_format_bitmap;
slot->bitmap_left = cbox.xMin >> 6;
@ -152,10 +183,13 @@
return error;
}
#ifndef FT_CONFIG_OPTION_NO_STD_RASTER
#include <ftraster.h>
const FT_Renderer_Class ft_standard_renderer_class =
{
{
@ -163,8 +197,8 @@
sizeof ( FT_RendererRec ),
"standard renderer",
0x10000,
0x20000,
0x10000L,
0x20000L,
0, /* module specific interface */
@ -183,12 +217,16 @@
(FT_Raster_Funcs*) &ft_standard_raster
};
#endif /* !FT_CONFIG_OPTION_NO_STD_RASTER */
#ifndef FT_CONFIG_OPTION_NO_SMOOTH_RASTER
#include <ftgrays.h>
const FT_Renderer_Class ft_smooth_renderer_class =
{
{
@ -196,8 +234,8 @@
sizeof ( FT_RendererRec ),
"smooth renderer",
0x10000,
0x20000,
0x10000L,
0x20000L,
0, /* module specific interface */
@ -216,4 +254,8 @@
(FT_Raster_Funcs*) &ft_grays_raster
};
#endif /* !FT_CONFIG_OPTION_NO_SMOOTH_RASTER */
/* END */

24
src/renderer/renderer.h
View File

@ -1,8 +1,28 @@
/***************************************************************************/
/* */
/* renderer.h */
/* */
/* FreeType renderer module (specification). */
/* */
/* Copyright 2000 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 RENDERER_H
#define RENDERER_H
#include <freetype/ftrender.h>
#ifndef FT_CONFIG_OPTION_NO_STD_RASTER
FT_EXPORT_VAR( const FT_Renderer_Class ) ft_std_renderer_class;
#endif
@ -11,4 +31,8 @@
FT_EXPORT_VAR( const FT_Renderer_Class ) ft_smooth_renderer_class;
#endif
#endif /* RENDERER_H */
/* END */

12
src/renderer/rules.mk
View File

@ -29,18 +29,18 @@ REND_CFLAGS := $(REND_INCLUDE:%=$I%)
REND_COMPILE := $(FT_COMPILE) $(REND_CFLAGS)
# REND driver sources (i.e., C files)
# renderer driver sources (i.e., C files)
#
REND_DRV_SRC := $(REND_DIR_)ftraster.c \
$(REND_DIR_)ftgrays.c \
$(REND_DIR_)renderer.c
# REND driver headers
# renderer driver headers
#
REND_DRV_H := $(REND_DRV_SRC:%c=%h)
# REND driver object(s)
# renderer driver object(s)
#
# REND_DRV_OBJ_M is used during `multi' builds.
# REND_DRV_OBJ_S is used during `single' builds.
@ -48,19 +48,19 @@ REND_DRV_H := $(REND_DRV_SRC:%c=%h)
REND_DRV_OBJ_M := $(REND_DRV_SRC:$(REND_DIR_)%.c=$(OBJ_)%.$O)
REND_DRV_OBJ_S := $(REND_DRV_OBJ_M)
# REND driver source file for single build
# renderer driver source file for single build
#
#REND_DRV_SRC_S := $(REND_DIR_)renderer.c
# REND driver - single object
# renderer driver - single object
#
#$(REND_DRV_OBJ_S): $(REND_DRV_SRC_S) $(REND_DRV_SRC) \
# $(FREETYPE_H) $(REND_DRV_H)
# $(REND_COMPILE) $T$@ $(REND_DRV_SRC_S)
# REND driver - multiple objects
# renderer driver - multiple objects
#
$(OBJ_)%.$O: $(REND_DIR_)%.c $(FREETYPE_H) $(REND_DRV_H)
$(REND_COMPILE) $T$@ $<

419
src/type1/t1hinter.h
View File

@ -1,24 +1,20 @@
/*******************************************************************
*
* t1hinter.h 1.2
*
* Type1 hinter.
*
* Copyright 1996-1999 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.
*
*
* The Hinter is in charge of fitting th scaled outline to the
* pixel grid in order to considerably improve the quality of
* the Type 1 font driver's output..
*
******************************************************************/
/***************************************************************************/
/* */
/* t1hinter.h */
/* */
/* Type 1 hinter (body). */
/* */
/* Copyright 1996-2000 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 T1HINTER_H
#define T1HINTER_H
@ -31,28 +27,29 @@
#endif
/************************************************************************
*
* <Struct>
* T1_Snap_Zone
*
* <Description>
* A "snap zone" is used to model either a blue zone or a stem width
* at a given character size. It is made of a minimum and maximum
* edge, defined in 26.6 pixels, as well as one "original" and
* "scaled" position.
*
* the position corresponds to the stem width (for stem snap zones)
* or to the blue position (for blue zones)
*
* <Fields>
* orus :: original position in font units
* pix :: current position in sub-pixel units
* min :: minimum boundary in sub-pixel units
* max :: maximim boundary in sub-pixel units
*
************************************************************************/
/*************************************************************************/
/* */
/* <Struct> */
/* T1_Snap_Zone */
/* */
/* <Description> */
/* A `snap zone' is used to model either a blue zone or a stem width */
/* at a given character size. It is made of a minimum and maximum */
/* edge, defined in 26.6 pixels, as well as an `original' and */
/* `scaled' position. */
/* */
/* The position corresponds to the stem width (for stem snap zones) */
/* or to the blue position (for blue zones). */
/* */
/* <Fields> */
/* orus :: The original position in font units. */
/* */
/* pix :: The current position in sub-pixel units. */
/* */
/* min :: The minimum boundary in sub-pixel units. */
/* */
/* max :: The maximum boundary in sub-pixel units. */
/* */
typedef struct T1_Snap_Zone_
{
FT_Pos orus;
@ -63,20 +60,19 @@
} T1_Snap_Zone;
/************************************************************************
*
* <Struct>
* T1_Edge
*
* <Description>
* A very simply structure used to model an stem edge
*
* <Fields>
* orus :: original edge position in font units
* pix :: scaled edge position in sub-pixel units
*
************************************************************************/
/*************************************************************************/
/* */
/* <Struct> */
/* T1_Edge */
/* */
/* <Description> */
/* A very simple structure used to model a stem edge. */
/* */
/* <Fields> */
/* orus :: The original edge position in font units. */
/* */
/* pix :: The scaled edge position in sub-pixel units. */
/* */
typedef struct T1_Edge_
{
FT_Pos orus;
@ -85,25 +81,25 @@
} T1_Edge;
/************************************************************************
*
* <Struct>
* T1_Stem_Hint
*
* <Description>
* A simple structure used to model a stem hint
*
* <Fields>
* min_edge :: the hint's minimum edge
* max_edge :: the hint's maximum edge
* hint_flags :: some flags describing the stem properties
*
* <Note>
* the min and max edges of a ghost stem have the same position,
* even if they're coded in a weird way in the charstrings
*
************************************************************************/
/*************************************************************************/
/* */
/* <Struct> */
/* T1_Stem_Hint */
/* */
/* <Description> */
/* A simple structure used to model a stem hint. */
/* */
/* <Fields> */
/* min_edge :: The hint's minimum edge. */
/* */
/* max_edge :: The hint's maximum edge. */
/* */
/* hint_flags :: Some flags describing the stem properties. */
/* */
/* <Note> */
/* The min and max edges of a ghost stem have the same position, */
/* even if they are coded in a weird way in the charstrings. */
/* */
typedef struct T1_Stem_Hint_
{
T1_Edge min_edge;
@ -114,9 +110,8 @@
#define T1_HINT_FLAG_ACTIVE 1 /* indicates an active stem */
#define T1_HINT_FLAG_MIN_BORDER 2 /* unused for now.. */
#define T1_HINT_FLAG_MAX_BORDER 4 /* unused for now.. */
#define T1_HINT_FLAG_MIN_BORDER 2 /* unused for now */
#define T1_HINT_FLAG_MAX_BORDER 4 /* unused for now */
/* hinter's configuration constants */
#define T1_HINTER_MAX_BLUES 24 /* maximum number of blue zones */
@ -124,34 +119,35 @@
#define T1_HINTER_MAX_EDGES 64 /* maximum number of stem hints */
/************************************************************************
*
* <Struct>
* T1_Size_Hints
*
* <Description>
* A structure used to model the hinting information related to
* a size object
*
* <Fields>
* supress_overshoots :: a boolean flag to tell when overshoot
* supression should occur.
*
* num_blue_zones :: the total number of blue zones (top+bottom)
* num_bottom_zones :: the number of bottom zones
*
* blue_zones :: the blue zones table. bottom zones are
* stored first in the table, followed by
* all top zones
*
* num_stem_snapH :: number of horizontal stem snap zones
* stem_snapH :: horizontal stem snap zones
*
* num_stem_snapV :: number of vertical stem snap zones
* stem_snapV :: vertical stem snap zones
*
************************************************************************/
/*************************************************************************/
/* */
/* <Struct> */
/* T1_Size_Hints */
/* */
/* <Description> */
/* A structure used to model the hinting information related to a size */
/* object. */
/* */
/* <Fields> */
/* supress_overshoots :: A boolean flag to tell whether overshoot */
/* supression should occur. */
/* */
/* num_blue_zones :: The total number of blue zones (top+bottom). */
/* */
/* num_bottom_zones :: The number of bottom zones. */
/* */
/* blue_zones :: The blue zones table. Bottom zones are */
/* stored first in the table, followed by all */
/* top zones. */
/* */
/* num_snap_widths :: The number of horizontal stem snap zones. */
/* */
/* snap_widths :: An array of horizontal stem snap zones. */
/* */
/* num_snap_heights :: The number of vertical stem snap zones. */
/* */
/* snap_heights :: An array of vertical stem snap zones. */
/* */
struct T1_Size_Hints_
{
FT_Bool supress_overshoots;
@ -168,28 +164,27 @@
};
/************************************************************************
*
* <Struct>
* T1_Stem_Table
*
* <Description>
* A simple structure used to model a set of stem hints in a
* single direction during the loading of a given glyph outline.
* Not all stem hints are active at a time. Moreover, stems must
* be sorted regularly
*
* <Fields>
* num_stems :: total number of stems in table
* num_active :: number of active stems in table
*
* stems :: the table of all stems
* sort :: a table of indices into the stems table, used
* to keep a sorted list of the active stems
*
************************************************************************/
/*************************************************************************/
/* */
/* <Struct> */
/* T1_Stem_Table */
/* */
/* <Description> */
/* A simple structure used to model a set of stem hints in a single */
/* direction during the loading of a given glyph outline. Not all */
/* stem hints are active at a time. Moreover, stems must be sorted */
/* regularly. */
/* */
/* <Fields> */
/* num_stems :: The total number of stems in the table. */
/* */
/* num_active :: The number of active stems in the table. */
/* */
/* stems :: A table of all stems. */
/* */
/* sort :: A table of indices into the stems table, used to */
/* keep a sorted list of the active stems. */
/* */
typedef struct T1_Stem_Table_
{
FT_Int num_stems;
@ -201,22 +196,19 @@
} T1_Stem_Table;
/************************************************************************
*
* <Struct>
* T1_Glyph_Hints
*
* <Description>
* A structure used to model the stem hints of a given glyph outline
* during glyph loading.
*
* <Fields>
* hori_stems :: horizontal stem hints table
* vert_stems :: vertical stem hints table
*
************************************************************************/
/*************************************************************************/
/* */
/* <Struct> */
/* T1_Glyph_Hints */
/* */
/* <Description> */
/* A structure used to model the stem hints of a given glyph outline */
/* during glyph loading. */
/* */
/* <Fields> */
/* hori_stems :: The horizontal stem hints table. */
/* vert_stems :: The vertical stem hints table. */
/* */
struct T1_Glyph_Hints_
{
T1_Stem_Table hori_stems;
@ -224,157 +216,48 @@
};
/************************************************************************
*
* <Data>
* t1_hinter_funcs
*
* <Description>
* A table containing the address of various functions used during
* the loading of an hinted scaled outline
*
************************************************************************/
/*************************************************************************/
/* */
/* <Data> */
/* t1_hinter_funcs */
/* */
/* <Description> */
/* A table containing the address of various functions used during */
/* the loading of an hinted scaled outline. */
/* */
LOCAL_DEF
const T1_Hinter_Funcs t1_hinter_funcs;
/************************************************************************
*
* <Function>
* T1_New_Size_Hinter
*
* <Description>
* Allocates a new hinter structure for a given size object
*
* <Input>
* size :: handle to target size object
*
* <Return>
* Error code. 0 means success
*
************************************************************************/
LOCAL_DEF
FT_Error T1_New_Size_Hinter( T1_Size size );
/************************************************************************
*
* <Function>
* T1_Done_Size_Hinter
*
* <Description>
* Releases a given size object's hinter structure
*
* <Input>
* size :: handle to target size object
*
************************************************************************/
LOCAL_DEF
void T1_Done_Size_Hinter( T1_Size size );
/************************************************************************
*
* <Function>
* T1_Reset_Size_Hinter
*
* <Description>
* Recomputes hinting information when a given size object has
* changed its resolutions/char sizes/pixel sizes
*
* <Input>
* size :: handle to size object
*
* <Return>
* Error code. 0 means success
*
************************************************************************/
LOCAL_DEF
FT_Error T1_Reset_Size_Hinter( T1_Size size );
/************************************************************************
*
* <Function>
* T1_New_Glyph_Hinter
*
* <Description>
* Allocates a new hinter structure for a given glyph slot
*
* <Input>
* glyph :: handle to target glyph slot
*
* <Return>
* Error code. 0 means success
*
************************************************************************/
LOCAL_DEF
FT_Error T1_New_Glyph_Hinter( T1_GlyphSlot glyph );
/************************************************************************
*
* <Function>
* T1_Done_Glyph_Hinter
*
* <Description>
* Releases a given glyph slot's hinter structure
*
* <Input>
* glyph :: handle to glyph slot
*
************************************************************************/
LOCAL_DEF
void T1_Done_Glyph_Hinter( T1_GlyphSlot glyph );
/************************************************************************
*
* <Function>
* T1_Hint_Points
*
* <Description>
* this function grid-fits several points in a given Type 1 builder
* at once.
*
* <Input>
* builder :: handle to target Type 1 builder
*
************************************************************************/
LOCAL_DEF
void T1_Hint_Points( T1_Builder* builder );
/************************************************************************
*
* <Function>
* T1_Hint_Stems
*
* <Description>
* This function is used to compute the location of each stem hint
* between the first and second passes of the glyph loader on the
* charstring.
*
* <Input>
* builder :: handle to target builder
*
************************************************************************/
LOCAL_DEF
void T1_Hint_Stems( T1_Builder* builder );
#ifdef __cplusplus
}
#endif
#endif /* T1HINTER_H */
/* END */