diff --git a/ChangeLog b/ChangeLog index 5181a2b8c..e881067fd 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2005-09-27 David Turner + + * include/freetype/config/ftheader.h, include/freetype/ftrgb.h, + src/rgbfilt/ftrgb.c, src/rgbfilt/ftrgbgen.h, src/rgbfilt/ftrgbgen2.h, + src/rgbfilt/Jamfile, src/rgbfilt/rules.mk, Jamfile: Adding color + filter for LCD modes, in order to reduce "fringes" + 2005-09-26 David Turner * src/autofit/aflatin.c (af_latin_compute_stem_width): fixed bad diff --git a/Jamfile b/Jamfile index 40622a34f..4b8bdb80b 100644 --- a/Jamfile +++ b/Jamfile @@ -86,6 +86,7 @@ FT2_COMPONENTS ?= autofit # auto-fitter pshinter # PostScript hinter module psnames # PostScript names handling raster # monochrome rasterizer + rgbfilt # RGB Color Filter for LCD modes smooth # anti-aliased rasterizer sfnt # SFNT-based format support routines truetype # TrueType font driver diff --git a/include/freetype/config/ftheader.h b/include/freetype/config/ftheader.h index 9b55f473f..2e29d32e4 100644 --- a/include/freetype/config/ftheader.h +++ b/include/freetype/config/ftheader.h @@ -1,606 +1,618 @@ -/***************************************************************************/ -/* */ -/* ftheader.h */ -/* */ -/* Build macros of the FreeType 2 library. */ -/* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005 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 __FT_HEADER_H__ -#define __FT_HEADER_H__ - - - /*@***********************************************************************/ - /* */ - /* */ - /* FT_BEGIN_HEADER */ - /* */ - /* */ - /* This macro is used in association with @FT_END_HEADER in header */ - /* files to ensure that the declarations within are properly */ - /* encapsulated in an `extern "C" { .. }' block when included from a */ - /* C++ compiler. */ - /* */ -#ifdef __cplusplus -#define FT_BEGIN_HEADER extern "C" { -#else -#define FT_BEGIN_HEADER /* nothing */ -#endif - - - /*@***********************************************************************/ - /* */ - /* */ - /* FT_END_HEADER */ - /* */ - /* */ - /* This macro is used in association with @FT_BEGIN_HEADER in header */ - /* files to ensure that the declarations within are properly */ - /* encapsulated in an `extern "C" { .. }' block when included from a */ - /* C++ compiler. */ - /* */ -#ifdef __cplusplus -#define FT_END_HEADER } -#else -#define FT_END_HEADER /* nothing */ -#endif - - - /*************************************************************************/ - /* */ - /* Aliases for the FreeType 2 public and configuration files. */ - /* */ - /*************************************************************************/ - - /*************************************************************************/ - /* */ - /*
*/ - /* header_file_macros */ - /* */ - /* */ - /* Header File Macros */ - /* */ - /* <Abstract> */ - /* Macro definitions used to #include specific header files. */ - /* */ - /* <Description> */ - /* The following macros are defined to the name of specific */ - /* FreeType 2 header files. They can be used directly in #include */ - /* statements as in: */ - /* */ - /* { */ - /* #include FT_FREETYPE_H */ - /* #include FT_MULTIPLE_MASTERS_H */ - /* #include FT_GLYPH_H */ - /* } */ - /* */ - /* There are several reasons why we are now using macros to name */ - /* public header files. The first one is that such macros are not */ - /* limited to the infamous 8.3 naming rule required by DOS (and */ - /* `FT_MULTIPLE_MASTERS_H' is a lot more meaningful than `ftmm.h'). */ - /* */ - /* The second reason is that is allows for more flexibility in the */ - /* way FreeType 2 is installed on a given system. */ - /* */ - /*************************************************************************/ - - - /* configuration files */ - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CONFIG_CONFIG_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* FreeType 2 configuration data. */ - /* */ -#ifndef FT_CONFIG_CONFIG_H -#define FT_CONFIG_CONFIG_H <freetype/config/ftconfig.h> -#endif - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CONFIG_STANDARD_LIBRARY_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* FreeType 2 configuration data. */ - /* */ -#ifndef FT_CONFIG_STANDARD_LIBRARY_H -#define FT_CONFIG_STANDARD_LIBRARY_H <freetype/config/ftstdlib.h> -#endif - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CONFIG_OPTIONS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* FreeType 2 project-specific configuration options. */ - /* */ -#ifndef FT_CONFIG_OPTIONS_H -#define FT_CONFIG_OPTIONS_H <freetype/config/ftoption.h> -#endif - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CONFIG_MODULES_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the list of FreeType 2 modules that are statically linked to new */ - /* library instances in @FT_Init_FreeType. */ - /* */ -#ifndef FT_CONFIG_MODULES_H -#define FT_CONFIG_MODULES_H <freetype/config/ftmodule.h> -#endif - - - /* public headers */ - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_FREETYPE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the base FreeType 2 API. */ - /* */ -#define FT_FREETYPE_H <freetype/freetype.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_ERRORS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the list of FreeType 2 error codes (and messages). */ - /* */ - /* It is included by @FT_FREETYPE_H. */ - /* */ -#define FT_ERRORS_H <freetype/fterrors.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_MODULE_ERRORS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the list of FreeType 2 module error offsets (and messages). */ - /* */ -#define FT_MODULE_ERRORS_H <freetype/ftmoderr.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_SYSTEM_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the FreeType 2 interface to low-level operations (i.e. memory */ - /* management and stream i/o). */ - /* */ - /* It is included by @FT_FREETYPE_H. */ - /* */ -#define FT_SYSTEM_H <freetype/ftsystem.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_IMAGE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* types definitions related to glyph images (i.e. bitmaps, outlines, */ - /* scan-converter parameters). */ - /* */ - /* It is included by @FT_FREETYPE_H. */ - /* */ -#define FT_IMAGE_H <freetype/ftimage.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_TYPES_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the basic data types defined by FreeType 2. */ - /* */ - /* It is included by @FT_FREETYPE_H. */ - /* */ -#define FT_TYPES_H <freetype/fttypes.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_LIST_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the list management API of FreeType 2. */ - /* */ - /* (Most applications will never need to include this file.) */ - /* */ -#define FT_LIST_H <freetype/ftlist.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_OUTLINE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the scalable outline management API of FreeType 2. */ - /* */ -#define FT_OUTLINE_H <freetype/ftoutln.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_SIZES_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the API used to manage multiple @FT_Size objects per face. */ - /* */ -#define FT_SIZES_H <freetype/ftsizes.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_MODULE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the module management API of FreeType 2. */ - /* */ -#define FT_MODULE_H <freetype/ftmodapi.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_RENDER_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the renderer module management API of FreeType 2. */ - /* */ -#define FT_RENDER_H <freetype/ftrender.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_TYPE1_TABLES_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the types and API specific to the Type 1 format. */ - /* */ -#define FT_TYPE1_TABLES_H <freetype/t1tables.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_TRUETYPE_IDS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the enumeration values used to identify name strings, languages, */ - /* encodings, etc. This file really contains a _large_ set of */ - /* constant macro definitions, taken from the TrueType and OpenType */ - /* specifications. */ - /* */ -#define FT_TRUETYPE_IDS_H <freetype/ttnameid.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_TRUETYPE_TABLES_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the types and API specific to the TrueType (as well as OpenType) */ - /* format. */ - /* */ -#define FT_TRUETYPE_TABLES_H <freetype/tttables.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_TRUETYPE_TAGS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the definitions of TrueType 4-byte `tags' used to identify blocks */ - /* in SFNT-based font formats (i.e. TrueType and OpenType). */ - /* */ -#define FT_TRUETYPE_TAGS_H <freetype/tttags.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_BDF_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the definitions of an API to access BDF-specific strings from a */ - /* face. */ - /* */ -#define FT_BDF_H <freetype/ftbdf.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_GZIP_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the definitions of an API to support for gzip-compressed files. */ - /* */ -#define FT_GZIP_H <freetype/ftgzip.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_LZW_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the definitions of an API to support for LZW-compressed files. */ - /* */ -#define FT_LZW_H <freetype/ftlzw.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_WINFONTS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the definitions of an API to support Windows .FNT files */ - /* */ -#define FT_WINFONTS_H <freetype/ftwinfnt.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_GLYPH_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the API of the optional glyph management component. */ - /* */ -#define FT_GLYPH_H <freetype/ftglyph.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_BITMAP_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the API of the optional bitmap conversion component. */ - /* */ -#define FT_BITMAP_H <freetype/ftbitmap.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_BBOX_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the API of the optional exact bounding box computation routines. */ - /* */ -#define FT_BBOX_H <freetype/ftbbox.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CACHE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the API of the optional FreeType 2 cache sub-system. */ - /* */ -#define FT_CACHE_H <freetype/ftcache.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CACHE_IMAGE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the `glyph image' API of the FreeType 2 cache sub-system. */ - /* */ - /* It is used to define a cache for @FT_Glyph elements. You can also */ - /* see the API defined in @FT_CACHE_SMALL_BITMAPS_H if you only need */ - /* to store small glyph bitmaps, as it will use less memory. */ - /* */ - /* This macro is deprecated. Simply include @FT_CACHE_H to have all */ - /* glyph image-related cache declarations. */ - /* */ -#define FT_CACHE_IMAGE_H FT_CACHE_H - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CACHE_SMALL_BITMAPS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the `small bitmaps' API of the FreeType 2 cache sub-system. */ - /* */ - /* It is used to define a cache for small glyph bitmaps in a */ - /* relatively memory-efficient way. You can also use the API defined */ - /* in @FT_CACHE_IMAGE_H if you want to cache arbitrary glyph images, */ - /* including scalable outlines. */ - /* */ - /* This macro is deprecated. Simply include @FT_CACHE_H to have all */ - /* small bitmaps-related cache declarations. */ - /* */ -#define FT_CACHE_SMALL_BITMAPS_H FT_CACHE_H - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_CACHE_CHARMAP_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the `charmap' API of the FreeType 2 cache sub-system. */ - /* */ - /* This macro is deprecated. Simply include @FT_CACHE_H to have all */ - /* charmap-based cache declarations. */ - /* */ -#define FT_CACHE_CHARMAP_H FT_CACHE_H - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_MAC_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the Macintosh-specific FreeType 2 API. The latter is used to */ - /* access fonts embedded in resource forks. */ - /* */ - /* This header file must be explicitly included by client */ - /* applications compiled on the Mac (note that the base API still */ - /* works though). */ - /* */ -#define FT_MAC_H <freetype/ftmac.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_MULTIPLE_MASTERS_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the optional multiple-masters management API of FreeType 2. */ - /* */ -#define FT_MULTIPLE_MASTERS_H <freetype/ftmm.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_SFNT_NAMES_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the optional FreeType 2 API used to access embedded `name' strings */ - /* in SFNT-based font formats (i.e. TrueType and OpenType). */ - /* */ -#define FT_SFNT_NAMES_H <freetype/ftsnames.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_OPENTYPE_VALIDATE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the optional FreeType 2 API used to validate OpenType tables */ - /* (BASE, GDEF, GPOS, GSUB, JSTF). */ - /* */ -#define FT_OPENTYPE_VALIDATE_H <freetype/ftotval.h> - - - /*************************************************************************/ - /* */ - /* @macro: */ - /* FT_GX_VALIDATE_H */ - /* */ - /* @description: */ - /* A macro used in #include statements to name the file containing */ - /* the optional FreeType 2 API used to validate TrueTypeGX/AAT tables */ - /* (feat, mort, morx, bsln, just, kern, opbd, trak, prop). */ - /* */ -#define FT_GX_VALIDATE_H <freetype/ftgxval.h> - - - /* */ - -#define FT_TRIGONOMETRY_H <freetype/fttrigon.h> -#define FT_STROKER_H <freetype/ftstroke.h> -#define FT_SYNTHESIS_H <freetype/ftsynth.h> -#define FT_ERROR_DEFINITIONS_H <freetype/fterrdef.h> - -#define FT_CACHE_MANAGER_H <freetype/cache/ftcmanag.h> - -#define FT_CACHE_INTERNAL_MRU_H <freetype/cache/ftcmru.h> -#define FT_CACHE_INTERNAL_MANAGER_H <freetype/cache/ftcmanag.h> -#define FT_CACHE_INTERNAL_CACHE_H <freetype/cache/ftccache.h> -#define FT_CACHE_INTERNAL_GLYPH_H <freetype/cache/ftcglyph.h> -#define FT_CACHE_INTERNAL_IMAGE_H <freetype/cache/ftcimage.h> -#define FT_CACHE_INTERNAL_SBITS_H <freetype/cache/ftcsbits.h> - - -#define FT_XFREE86_H <freetype/ftxf86.h> - -#define FT_INCREMENTAL_H <freetype/ftincrem.h> - -#define FT_TRUETYPE_UNPATENTED_H <freetype/ttunpat.h> - - /* now include internal headers definitions from <freetype/internal/...> */ - -#define FT_INTERNAL_INTERNAL_H <freetype/internal/internal.h> -#include FT_INTERNAL_INTERNAL_H - - -#endif /* __FT2_BUILD_H__ */ - - -/* END */ +/***************************************************************************/ +/* */ +/* ftheader.h */ +/* */ +/* Build macros of the FreeType 2 library. */ +/* */ +/* Copyright 1996-2001, 2002, 2003, 2004, 2005 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 __FT_HEADER_H__ +#define __FT_HEADER_H__ + + + /*@***********************************************************************/ + /* */ + /* <Macro> */ + /* FT_BEGIN_HEADER */ + /* */ + /* <Description> */ + /* This macro is used in association with @FT_END_HEADER in header */ + /* files to ensure that the declarations within are properly */ + /* encapsulated in an `extern "C" { .. }' block when included from a */ + /* C++ compiler. */ + /* */ +#ifdef __cplusplus +#define FT_BEGIN_HEADER extern "C" { +#else +#define FT_BEGIN_HEADER /* nothing */ +#endif + + + /*@***********************************************************************/ + /* */ + /* <Macro> */ + /* FT_END_HEADER */ + /* */ + /* <Description> */ + /* This macro is used in association with @FT_BEGIN_HEADER in header */ + /* files to ensure that the declarations within are properly */ + /* encapsulated in an `extern "C" { .. }' block when included from a */ + /* C++ compiler. */ + /* */ +#ifdef __cplusplus +#define FT_END_HEADER } +#else +#define FT_END_HEADER /* nothing */ +#endif + + + /*************************************************************************/ + /* */ + /* Aliases for the FreeType 2 public and configuration files. */ + /* */ + /*************************************************************************/ + + /*************************************************************************/ + /* */ + /* <Section> */ + /* header_file_macros */ + /* */ + /* <Title> */ + /* Header File Macros */ + /* */ + /* <Abstract> */ + /* Macro definitions used to #include specific header files. */ + /* */ + /* <Description> */ + /* The following macros are defined to the name of specific */ + /* FreeType 2 header files. They can be used directly in #include */ + /* statements as in: */ + /* */ + /* { */ + /* #include FT_FREETYPE_H */ + /* #include FT_MULTIPLE_MASTERS_H */ + /* #include FT_GLYPH_H */ + /* } */ + /* */ + /* There are several reasons why we are now using macros to name */ + /* public header files. The first one is that such macros are not */ + /* limited to the infamous 8.3 naming rule required by DOS (and */ + /* `FT_MULTIPLE_MASTERS_H' is a lot more meaningful than `ftmm.h'). */ + /* */ + /* The second reason is that is allows for more flexibility in the */ + /* way FreeType 2 is installed on a given system. */ + /* */ + /*************************************************************************/ + + + /* configuration files */ + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CONFIG_CONFIG_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* FreeType 2 configuration data. */ + /* */ +#ifndef FT_CONFIG_CONFIG_H +#define FT_CONFIG_CONFIG_H <freetype/config/ftconfig.h> +#endif + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CONFIG_STANDARD_LIBRARY_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* FreeType 2 configuration data. */ + /* */ +#ifndef FT_CONFIG_STANDARD_LIBRARY_H +#define FT_CONFIG_STANDARD_LIBRARY_H <freetype/config/ftstdlib.h> +#endif + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CONFIG_OPTIONS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* FreeType 2 project-specific configuration options. */ + /* */ +#ifndef FT_CONFIG_OPTIONS_H +#define FT_CONFIG_OPTIONS_H <freetype/config/ftoption.h> +#endif + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CONFIG_MODULES_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the list of FreeType 2 modules that are statically linked to new */ + /* library instances in @FT_Init_FreeType. */ + /* */ +#ifndef FT_CONFIG_MODULES_H +#define FT_CONFIG_MODULES_H <freetype/config/ftmodule.h> +#endif + + + /* public headers */ + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_FREETYPE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the base FreeType 2 API. */ + /* */ +#define FT_FREETYPE_H <freetype/freetype.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_ERRORS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the list of FreeType 2 error codes (and messages). */ + /* */ + /* It is included by @FT_FREETYPE_H. */ + /* */ +#define FT_ERRORS_H <freetype/fterrors.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_MODULE_ERRORS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the list of FreeType 2 module error offsets (and messages). */ + /* */ +#define FT_MODULE_ERRORS_H <freetype/ftmoderr.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_SYSTEM_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the FreeType 2 interface to low-level operations (i.e. memory */ + /* management and stream i/o). */ + /* */ + /* It is included by @FT_FREETYPE_H. */ + /* */ +#define FT_SYSTEM_H <freetype/ftsystem.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_IMAGE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* types definitions related to glyph images (i.e. bitmaps, outlines, */ + /* scan-converter parameters). */ + /* */ + /* It is included by @FT_FREETYPE_H. */ + /* */ +#define FT_IMAGE_H <freetype/ftimage.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_TYPES_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the basic data types defined by FreeType 2. */ + /* */ + /* It is included by @FT_FREETYPE_H. */ + /* */ +#define FT_TYPES_H <freetype/fttypes.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_LIST_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the list management API of FreeType 2. */ + /* */ + /* (Most applications will never need to include this file.) */ + /* */ +#define FT_LIST_H <freetype/ftlist.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_OUTLINE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the scalable outline management API of FreeType 2. */ + /* */ +#define FT_OUTLINE_H <freetype/ftoutln.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_SIZES_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the API used to manage multiple @FT_Size objects per face. */ + /* */ +#define FT_SIZES_H <freetype/ftsizes.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_MODULE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the module management API of FreeType 2. */ + /* */ +#define FT_MODULE_H <freetype/ftmodapi.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_RENDER_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the renderer module management API of FreeType 2. */ + /* */ +#define FT_RENDER_H <freetype/ftrender.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_TYPE1_TABLES_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the types and API specific to the Type 1 format. */ + /* */ +#define FT_TYPE1_TABLES_H <freetype/t1tables.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_TRUETYPE_IDS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the enumeration values used to identify name strings, languages, */ + /* encodings, etc. This file really contains a _large_ set of */ + /* constant macro definitions, taken from the TrueType and OpenType */ + /* specifications. */ + /* */ +#define FT_TRUETYPE_IDS_H <freetype/ttnameid.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_TRUETYPE_TABLES_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the types and API specific to the TrueType (as well as OpenType) */ + /* format. */ + /* */ +#define FT_TRUETYPE_TABLES_H <freetype/tttables.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_TRUETYPE_TAGS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the definitions of TrueType 4-byte `tags' used to identify blocks */ + /* in SFNT-based font formats (i.e. TrueType and OpenType). */ + /* */ +#define FT_TRUETYPE_TAGS_H <freetype/tttags.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_BDF_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the definitions of an API to access BDF-specific strings from a */ + /* face. */ + /* */ +#define FT_BDF_H <freetype/ftbdf.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_GZIP_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the definitions of an API to support for gzip-compressed files. */ + /* */ +#define FT_GZIP_H <freetype/ftgzip.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_LZW_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the definitions of an API to support for LZW-compressed files. */ + /* */ +#define FT_LZW_H <freetype/ftlzw.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_WINFONTS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the definitions of an API to support Windows .FNT files */ + /* */ +#define FT_WINFONTS_H <freetype/ftwinfnt.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_GLYPH_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the API of the optional glyph management component. */ + /* */ +#define FT_GLYPH_H <freetype/ftglyph.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_BITMAP_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the API of the optional bitmap conversion component. */ + /* */ +#define FT_BITMAP_H <freetype/ftbitmap.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_BBOX_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the API of the optional exact bounding box computation routines. */ + /* */ +#define FT_BBOX_H <freetype/ftbbox.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CACHE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the API of the optional FreeType 2 cache sub-system. */ + /* */ +#define FT_CACHE_H <freetype/ftcache.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CACHE_IMAGE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the `glyph image' API of the FreeType 2 cache sub-system. */ + /* */ + /* It is used to define a cache for @FT_Glyph elements. You can also */ + /* see the API defined in @FT_CACHE_SMALL_BITMAPS_H if you only need */ + /* to store small glyph bitmaps, as it will use less memory. */ + /* */ + /* This macro is deprecated. Simply include @FT_CACHE_H to have all */ + /* glyph image-related cache declarations. */ + /* */ +#define FT_CACHE_IMAGE_H FT_CACHE_H + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CACHE_SMALL_BITMAPS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the `small bitmaps' API of the FreeType 2 cache sub-system. */ + /* */ + /* It is used to define a cache for small glyph bitmaps in a */ + /* relatively memory-efficient way. You can also use the API defined */ + /* in @FT_CACHE_IMAGE_H if you want to cache arbitrary glyph images, */ + /* including scalable outlines. */ + /* */ + /* This macro is deprecated. Simply include @FT_CACHE_H to have all */ + /* small bitmaps-related cache declarations. */ + /* */ +#define FT_CACHE_SMALL_BITMAPS_H FT_CACHE_H + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_CACHE_CHARMAP_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the `charmap' API of the FreeType 2 cache sub-system. */ + /* */ + /* This macro is deprecated. Simply include @FT_CACHE_H to have all */ + /* charmap-based cache declarations. */ + /* */ +#define FT_CACHE_CHARMAP_H FT_CACHE_H + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_MAC_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the Macintosh-specific FreeType 2 API. The latter is used to */ + /* access fonts embedded in resource forks. */ + /* */ + /* This header file must be explicitly included by client */ + /* applications compiled on the Mac (note that the base API still */ + /* works though). */ + /* */ +#define FT_MAC_H <freetype/ftmac.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_MULTIPLE_MASTERS_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the optional multiple-masters management API of FreeType 2. */ + /* */ +#define FT_MULTIPLE_MASTERS_H <freetype/ftmm.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_SFNT_NAMES_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the optional FreeType 2 API used to access embedded `name' strings */ + /* in SFNT-based font formats (i.e. TrueType and OpenType). */ + /* */ +#define FT_SFNT_NAMES_H <freetype/ftsnames.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_OPENTYPE_VALIDATE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the optional FreeType 2 API used to validate OpenType tables */ + /* (BASE, GDEF, GPOS, GSUB, JSTF). */ + /* */ +#define FT_OPENTYPE_VALIDATE_H <freetype/ftotval.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_GX_VALIDATE_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the optional FreeType 2 API used to validate TrueTypeGX/AAT tables */ + /* (feat, mort, morx, bsln, just, kern, opbd, trak, prop). */ + /* */ +#define FT_GX_VALIDATE_H <freetype/ftgxval.h> + + + /*************************************************************************/ + /* */ + /* @macro: */ + /* FT_RGB_FILTER_H */ + /* */ + /* @description: */ + /* A macro used in #include statements to name the file containing */ + /* the optional FreeType 2 API used to perform RGB decimated color */ + /* filtering. */ + /* */ +#define FT_RGB_FILTER_H <freetype/ftrgb.h> + + /* */ + +#define FT_TRIGONOMETRY_H <freetype/fttrigon.h> +#define FT_STROKER_H <freetype/ftstroke.h> +#define FT_SYNTHESIS_H <freetype/ftsynth.h> +#define FT_ERROR_DEFINITIONS_H <freetype/fterrdef.h> + +#define FT_CACHE_MANAGER_H <freetype/cache/ftcmanag.h> + +#define FT_CACHE_INTERNAL_MRU_H <freetype/cache/ftcmru.h> +#define FT_CACHE_INTERNAL_MANAGER_H <freetype/cache/ftcmanag.h> +#define FT_CACHE_INTERNAL_CACHE_H <freetype/cache/ftccache.h> +#define FT_CACHE_INTERNAL_GLYPH_H <freetype/cache/ftcglyph.h> +#define FT_CACHE_INTERNAL_IMAGE_H <freetype/cache/ftcimage.h> +#define FT_CACHE_INTERNAL_SBITS_H <freetype/cache/ftcsbits.h> + + +#define FT_XFREE86_H <freetype/ftxf86.h> + +#define FT_INCREMENTAL_H <freetype/ftincrem.h> + +#define FT_TRUETYPE_UNPATENTED_H <freetype/ttunpat.h> + + /* now include internal headers definitions from <freetype/internal/...> */ + +#define FT_INTERNAL_INTERNAL_H <freetype/internal/internal.h> +#include FT_INTERNAL_INTERNAL_H + + +#endif /* __FT2_BUILD_H__ */ + + +/* END */ diff --git a/src/rgbfilt/Jamfile b/src/rgbfilt/Jamfile new file mode 100644 index 000000000..c5a51fcda --- /dev/null +++ b/src/rgbfilt/Jamfile @@ -0,0 +1,16 @@ +# FreeType 2 src/rgbfilt Jamfile +# +# Copyright 2005 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. + +SubDir FT2_TOP $(FT2_SRC_DIR) rgbfilt ; + +Library $(FT2_LIB) : ftrgb.c ; + +# end of src/rgbfilt Jamfile diff --git a/src/rgbfilt/ftrgb.c b/src/rgbfilt/ftrgb.c new file mode 100644 index 000000000..afa8dbbec --- /dev/null +++ b/src/rgbfilt/ftrgb.c @@ -0,0 +1,319 @@ +#include <ft2build.h> +#include FT_RGB_FILTER_H +#include FT_INTERNAL_OBJECTS_H + +typedef struct FT_RgbFilterRec_ +{ + FT_Fixed factors[9]; + FT_Memory memory; + +} FT_RgbFilterRec; + +typedef struct FT_RgbFilterinRec_ +{ + FT_Fixed factors[9]; + FT_Byte* in_line; + FT_Long in_pitch; + FT_Byte* out_line; + FT_Long out_pitch; + FT_Int width; + FT_Int height; + +} FT_RgbFilteringRec, *FT_RgbFiltering; + + +/* these values come from libXft */ +static const FT_RgbFilterRec ft_rgbfilter_default = +{ + { 65538*9/13, 65538*3/13, 65538*1/13, + 65538*1/6, 65538*4/6, 65538*1/6, + 65538*1/13, 65538*3/13, 65538*9/13 }, + NULL +}; + +static void +ft_rgbfilter_apply_argb_rgb( FT_RgbFiltering oper ) +{ +#define HMUL 3 +#define VMUL 1 +#define OFF_R 0 +#define OFF_G 1 +#define OFF_B 2 +#include "ftrgbgen.h" +} + + +static void +ft_rgbfilter_apply_argb_bgr( FT_RgbFiltering oper ) +{ +#define HMUL 3 +#define VMUL 1 +#define OFF_R 2 +#define OFF_G 1 +#define OFF_B 0 +#include "ftrgbgen.h" +} + + +static void +ft_rgbfilter_apply_argb_vrgb( FT_RgbFiltering oper ) +{ +#define HMUL 1 +#define VMUL 3 +#define OFF_R 0 +#define OFF_G 1 +#define OFF_B 2 +#include "ftrgbgen.h" +} + + +static void +ft_rgbfilter_apply_argb_vbgr( FT_RgbFiltering oper ) +{ +#define HMUL 1 +#define VMUL 3 +#define OFF_R 2 +#define OFF_G 1 +#define OFF_B 0 +#include "ftrgbgen.h" +} + + + +static void +ft_rgbfilter_apply_inplace_rgb( FT_RgbFiltering oper ) +{ +#define HMUL 3 +#define VMUL 1 +#define OFF_R 0 +#define OFF_G 1 +#define OFF_B 2 +#include "ftrgbgn2.h" +} + + +static void +ft_rgbfilter_apply_inplace_bgr( FT_RgbFiltering oper ) +{ +#define HMUL 3 +#define VMUL 1 +#define OFF_R 2 +#define OFF_G 1 +#define OFF_B 0 +#include "ftrgbgn2.h" +} + + +static void +ft_rgbfilter_apply_inplace_vrgb( FT_RgbFiltering oper ) +{ +#define HMUL 1 +#define VMUL 3 +#define OFF_R 0 +#define OFF_G 1 +#define OFF_B 2 +#include "ftrgbgn2.h" +} + + +static void +ft_rgbfilter_apply_inplace_vbgr( FT_RgbFiltering oper ) +{ +#define HMUL 1 +#define VMUL 3 +#define OFF_R 2 +#define OFF_G 1 +#define OFF_B 0 +#include "ftrgbgn2.h" +} + + + +FT_EXPORT_DEF( FT_Error ) +FT_RgbFilter_ApplyARGB( FT_RgbFilter filter, + FT_Bool inverted, + FT_Pixel_Mode in_mode, + FT_Byte* in_bytes, + FT_Long in_pitch, + FT_Int out_width, + FT_Int out_height, + FT_UInt32* out_bytes, + FT_Long out_pitch ) +{ + FT_RgbFilteringRec oper; + int in_width = out_width; + int in_height = out_height; + + switch ( in_mode ) + { + case FT_PIXEL_MODE_LCD: + in_width = 3*out_width; + break; + + case FT_PIXEL_MODE_LCD_V: + in_height = 3*out_height; + break; + + default: + return FT_Err_Invalid_Argument; + } + + if ( FT_ABS(in_pitch) < in_width || + FT_ABS(out_pitch) < 4*out_width ) + return FT_Err_Invalid_Argument; + + oper.width = out_width; + oper.height = out_height; + + oper.in_line = in_bytes; + oper.in_pitch = in_pitch; + if ( in_pitch < 0 ) + oper.in_line -= in_pitch*(in_height-1); + + oper.out_line = (FT_Byte*) out_bytes; + oper.out_pitch = out_pitch; + if ( out_pitch < 0 ) + oper.out_line -= out_pitch*(out_height-1); + + if ( filter == NULL ) + filter = (FT_RgbFilter)&ft_rgbfilter_default; + + FT_ARRAY_COPY( oper.factors, filter->factors, 9 ); + + switch ( in_mode ) + { + case FT_PIXEL_MODE_LCD: + if ( inverted ) + ft_rgbfilter_apply_argb_bgr( &oper ); + else + ft_rgbfilter_apply_argb_rgb( &oper ); + break; + + case FT_PIXEL_MODE_LCD_V: + if ( inverted ) + ft_rgbfilter_apply_argb_vbgr( &oper ); + else + ft_rgbfilter_apply_argb_vrgb( &oper ); + break; + + default: + ; + } + return 0; +} + + +FT_EXPORT_DEF( FT_Error ) +FT_RgbFilter_ApplyInPlace( FT_RgbFilter filter, + FT_Bool inverted, + FT_Pixel_Mode in_mode, + FT_Byte* in_bytes, + FT_Long in_pitch, + FT_Int org_width, + FT_Int org_height ) +{ + FT_RgbFilteringRec oper; + int in_width = org_width; + int in_height = org_height; + + switch ( in_mode ) + { + case FT_PIXEL_MODE_LCD: + in_width = 3*org_width; + break; + + case FT_PIXEL_MODE_LCD_V: + in_height = 3*org_height; + break; + + default: + return FT_Err_Invalid_Argument; + } + + if ( FT_ABS(in_pitch) < in_width ) + return FT_Err_Invalid_Argument; + + oper.width = org_width; + oper.height = org_height; + + oper.in_line = in_bytes; + oper.in_pitch = in_pitch; + if ( in_pitch < 0 ) + oper.in_line -= in_pitch*(in_height-1); + + if ( filter == NULL ) + filter = (FT_RgbFilter)&ft_rgbfilter_default; + + FT_ARRAY_COPY( oper.factors, filter->factors, 9 ); + + switch ( in_mode ) + { + case FT_PIXEL_MODE_LCD: + if ( inverted ) + ft_rgbfilter_apply_inplace_bgr( &oper ); + else + ft_rgbfilter_apply_inplace_rgb( &oper ); + break; + + case FT_PIXEL_MODE_LCD_V: + if ( inverted ) + ft_rgbfilter_apply_inplace_vbgr( &oper ); + else + ft_rgbfilter_apply_inplace_vrgb( &oper ); + break; + + default: + ; + } + return 0; +} + + + + +FT_EXPORT_DEF( FT_Error ) +FT_RgbFilter_New( FT_Library library, + FT_Fixed* values_9, + FT_RgbFilter *pfilter ) +{ + FT_Error error = 0; + FT_RgbFilter filter = NULL; + + if ( !library || !values_9 ) + error = FT_Err_Invalid_Argument; + else + { + FT_Memory memory = library->memory; + + if ( !FT_NEW( filter ) ) + { + FT_ARRAY_COPY( filter->factors, values_9, 9 ); + filter->memory = memory; + } + } + *pfilter = filter; + return error; +} + + +FT_EXPORT_DEF( void ) +FT_RgbFilter_Done( FT_RgbFilter filter ) +{ + if ( filter ) + { + FT_Memory memory = filter->memory; + + filter->memory = NULL; + if ( memory ) + FT_FREE( filter ); + } +} + + +FT_EXPORT_DEF( void ) +FT_RgbFilter_Reset( FT_RgbFilter filter, + FT_Fixed* values_9 ) +{ + if ( filter && values_9 ) + FT_ARRAY_COPY( filter->factors, values_9, 9 ); +} diff --git a/src/rgbfilt/ftrgbgen.h b/src/rgbfilt/ftrgbgen.h new file mode 100644 index 000000000..da7cf15c0 --- /dev/null +++ b/src/rgbfilt/ftrgbgen.h @@ -0,0 +1,70 @@ +/* this file contains a template for the RGB color filter algorithm + * it is included several times by "ftrgb.c" + */ +#ifndef OFF_R +#error "OFF_R must be defined as the offset of the red channel" +#endif + +#ifndef OFF_G +#error "OFF_G must be defiend as the offset of the green channel" +#endif + +#ifndef OFF_B +#error "OFF_B must be defined as the offset of the blue channel" +#endif + +#ifndef HMUL +#error "HMUL must be defined as the horizontal multiplier, either 1 or 3" +#endif + +#ifndef VMUL +#error "VMUL must be defined as the vertical multipler, either 1 or 3" +#endif + + + int hh = oper->height; + FT_Byte* in_line = oper->in_line; + FT_Long in_pitch = oper->in_pitch; + FT_Byte* out_line = oper->out_line; + FT_Long out_pitch = oper->out_pitch; + FT_Fixed* mults = oper->factors; + + for ( ; hh > 0; hh--, in_line += in_pitch*VMUL, out_line += out_pitch ) + { + int ww = oper->width; + FT_Byte* read = in_line; + FT_UInt32* write = (FT_UInt32*)out_line; + + for ( ; ww > 0; ww--, read += HMUL, write += 1 ) + { + FT_UInt rr, gg, bb; + FT_UInt val; + + val = read[OFF_R]; + rr = mults[0]*val; + gg = mults[3]*val; + bb = mults[6]*val; + + val = read[OFF_G]; + rr += mults[1]*val; + gg += mults[4]*val; + bb += mults[7]*val; + + val = read[OFF_B]; + rr += mults[2]*val; + gg += mults[5]*val; + bb += mults[8]*val; + + rr = (rr >> 16) & 255; + gg = (gg >> 16) & 255; + bb = (bb >> 16) & 255; + + write[0] = (FT_UInt)( (gg << 24) | (rr << 16) | (gg << 8) | bb ); + } + } + +#undef OFF_R +#undef OFF_G +#undef OFF_B +#undef HMUL +#undef VMUL diff --git a/src/rgbfilt/ftrgbgn2.h b/src/rgbfilt/ftrgbgn2.h new file mode 100644 index 000000000..b3d9365cb --- /dev/null +++ b/src/rgbfilt/ftrgbgn2.h @@ -0,0 +1,65 @@ +/* this file contains a template for the in-place RGB color filter algorithm + * it is included several times by "ftrgb.c" + */ +#ifndef OFF_R +#error "OFF_R must be defined as the offset of the red channel" +#endif + +#ifndef OFF_G +#error "OFF_G must be defiend as the offset of the green channel" +#endif + +#ifndef OFF_B +#error "OFF_B must be defined as the offset of the blue channel" +#endif + +#ifndef HMUL +#error "HMUL must be defined as the horizontal multiplier, either 1 or 3" +#endif + +#ifndef VMUL +#error "VMUL must be defined as the vertical multipler, either 1 or 3" +#endif + + + int hh = oper->height; + FT_Byte* in_line = oper->in_line; + FT_Long in_pitch = oper->in_pitch; + FT_Fixed* mults = oper->factors; + + for ( ; hh > 0; hh--, in_line += in_pitch*VMUL ) + { + int ww = oper->width; + FT_Byte* pix = in_line; + + for ( ; ww > 0; ww--, pix += HMUL ) + { + FT_UInt rr, gg, bb; + FT_UInt val; + + val = pix[OFF_R]; + rr = mults[0]*val; + gg = mults[3]*val; + bb = mults[6]*val; + + val = pix[OFF_G]; + rr += mults[1]*val; + gg += mults[4]*val; + bb += mults[7]*val; + + val = pix[OFF_B]; + rr += mults[2]*val; + gg += mults[5]*val; + bb += mults[8]*val; + + pix[OFF_R] = (FT_Byte)(rr >> 16); + pix[OFF_G] = (FT_Byte)(gg >> 16); + pix[OFF_B] = (FT_Byte)(bb >> 16); + } + } + +#undef OFF_R +#undef OFF_G +#undef OFF_B +#undef HMUL +#undef VMUL diff --git a/src/rgbfilt/rules.mk b/src/rgbfilt/rules.mk new file mode 100644 index 000000000..b5be6b5f7 --- /dev/null +++ b/src/rgbfilt/rules.mk @@ -0,0 +1,35 @@ +# +# FreeType 2 RGB filter configuration rules +# + +# rgb driver directory +# +RGBFILT_DIR := $(SRC_DIR)/rgbfilt + + +RGBFILT_COMPILE := $(FT_COMPILE) $I$(subst /,$(COMPILER_SEP),$(RGBFILT_DIR)) + + +# RGB filter sources (i.e., C files) +# +RGBFILT_DRV_SRC := $(RGBFILT_DIR)/ftrgb.c + +# RGB filter driver headers +# +RGBFILT_DRV_H := $(RGBFILT_DIR)/ftrgbgen.h \ + $(RGBFILT_DIR)/ftrgbgn2.h + +# RGB filter driver object(s) +# +RGBFILT_DRV_OBJ := $(RGBFILT_DRV_SRC:$(RGBFILT_DIR)/%.c=$(OBJ_DIR)/%.$O) + +$(RGBFILT_DRV_OBJ): $(RGBFILT_DRV_SRC) $(FREETYPE_H) $(RGBFILT_DRV_H) + $(RGBFILT_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(RGBFILT_DRV_SRC)) + +# update main driver object lists +# +DRV_OBJS_S += $(RGBFILT_DRV_OBJ) +DRV_OBJS_M += $(RGBFILT_DRV_OBJ) + + +# EOF