src/sfnt/sfnt.c


Log

Author Commit Date CI Message
Behdad Esfahbod 760d342d 2013-05-29T11:36:18 Add support for color embedded bitmaps (eg. color emoji). A new load flag, FT_LOAD_COLOR, makes FreeType load color embedded-bitmaps, following this draft specification https://color-emoji.googlecode.com/git/specification/v1.html which defines two new SFNT tables, `CBDT' and `CBLC' (named and modeled after `EBDT' and `EBLC', respectively). The color bitmaps are stored in the new FT_PIXEL_MODE_BGRA format to represent BGRA pre-multiplied sRGB images. If PNG support is available, PNG color images as defined in the same proposed specification are supported also. Note that color bitmaps are converted to grayscale if client didn't ask for color. * builds/unix/configure.raw: Search for libpng. Add `--without-png' option. * devel/ftoption.h, include/freetype/config/ftoption.h (FT_CONFIG_OPTION_USE_PNG): New macro. * include/freetype/freetype.h (FT_LOAD_COLOR): New load flag. * include/freetype/ftimage.h (FT_Pixel_Mode): Add `FT_PIXEL_MODE_BGRA'. * include/freetype/tttags.h (TTAG_CBDT, TTAG_CBLC): New tags. * src/base/ftbitmap.c (FT_Bitmap_Embolden): Updated. (ft_gray_for_premultiplied_srgb_bgra): New function. (FT_Bitmap_Convert): Handle FT_PIXEL_MODE_BGRA. * src/sfnt/pngshim.c, src/sfnt/pngshim.h: New files. * src/sfnt/sfnt.c: Include `pngshim.c'. * src/sfnt/ttsbit.c: Include FT_BITMAP_H and `pngshim.h' (tt_face_load_eblc): Load `CBLC'. (tt_sbit_decoder_init): Load `CBDT'. (tt_sbit_decoder_alloc_bitmap): Pass load flags to select between color and grayscale bitmaps. Set `num_grays'. This is used by `ftview' to choose the blending algorithm. (tt_sbit_decoder_load_byte_aligned, tt_sbit_decoder_load_bit_aligned, tt_sbit_decoder_load_compound, tt_sbit_decoder_load_image): Pass load flag. s/write/pwrite/. Don't call `tt_sbit_decoder_alloc_bitmap'. Updated. (tt_sbit_decoder_load_png) [FT_CONFIG_OPTION_USE_PNG]: New function. (tt_sbit_decoder_load_bitmap): Pass load flag. Handle new glyph formats 17, 18, and 19. Call `tt_sbit_decoder_alloc_bitmap'. Flatten color bitmaps if necessary. (tt_face_load_sbit_image): Updated. * src/sfnt/rules.mk (SFNT_DRV_SRC): Add `pngshim.c'. * docs/CHANGES: Updated.
Oran Agra fb429ec4 2009-04-05T18:08:32 Position Independent Code (PIC) support in sfnt driver. * include/freetype/internal/services/svbdf.h add macros to init instances of FT_Service_BDFRec. * include/freetype/internal/services/svgldict.h add macros to init instances of FT_Service_GlyphDictRec. * include/freetype/internal/services/svpostnm.h add macros to init instances of FT_Service_PsFontNameRec. * include/freetype/internal/services/svsfnt.h add macros to init instances of FT_Service_SFNT_TableRec. * include/freetype/internal/services/svttcmap.h add macros to init instances of FT_Service_TTCMapsRec. * include/freetype/internal/sfnt.h add macros to init instances of SFNT_Interface. * src/sfnt/sfdriver.h declare sfnt_module_class using macros from ftmodapi.h, when FT_CONFIG_OPTION_PIC is defined create and destroy functions will be declared. * src/sfnt/sfdriver.c when FT_CONFIG_OPTION_PIC is defined the following structs: sfnt_service_sfnt_table, sfnt_service_glyph_dict, sfnt_service_ps_name tt_service_get_cmap_info, sfnt_service_bdf, sfnt_interface, sfnt_module_class, and sfnt_services array will have functions to init or create and destroy them instead of being allocated in the global scope. And macros will be used from sfntpic.h in order to access them from the pic_container. * src/sfnt/ttcmap.h add macros to init instances of TT_CMap_ClassRec. * src/sfnt/ttcmap.c when FT_CONFIG_OPTION_PIC is defined the following structs: tt_cmap0_class_rec, tt_cmap2_class_rec, tt_cmap4_class_rec tt_cmap6_class_rec, tt_cmap8_class_rec, tt_cmap10_class_rec, tt_cmap12_class_rec, tt_cmap14_class_rec and tt_cmap_classes array will have functions to init or create and destroy them instead of being allocated in the global scope. And macros will be used from sfntpic.h in order to access them from the pic_container. The content of tt_cmap_classes is now described in the new file 'ttcmapc.h'. New Files: * src/sfnt/sfntpic.h declare struct to hold PIC globals for sfnt driver and macros to access them. * src/sfnt/sfntpic.c implement functions to allocate, destroy and initialize PIC globals for sfnt driver. * src/sfnt/ttcmapc.h describing the content of tt_cmap_classes allocated in ttcmap.c * src/sfnt/sfnt.c add new file to build: sfntpic.c. * src/sfnt/jamfile add new files to FT2_MULTI build: sfntpic.c.
Werner Lemberg 5225402a 2006-02-15T06:05:52 * include/freetype/ftoutln.h (FT_Outline_Embolden): Mention in documentation that negative strength values are possible. Give an example call. * include/freetype/freetype.h (FT_GlyphSlotRec): Improve documentation of `outline' field. * src/sfnt/sfobjc.s: Inckude FT_INTERNAL_DEBUG_H. * src/sfnt/sfdriver.c: Include ttmtx.h. * src/autofit/afcjk.c: Include aftypes.h and aflatin.h.
Wu, Chia-I (吳佳一) f5aa47be 2006-02-14T06:40:10 Clean up the SFNT_Interface. Table loading functions are now named after the tables' tags; `hdmx' is TrueType-specific and thus the code is moved to the truetype module; `get_metrics' is moved here from the truetype module so that the code can be shared with the cff module. This pass involves no real changes. That is, the code is moved verbatim mostly. The only exception is the return value of `tt_face_get_metrics'. * include/freetype/internal/sfnt.h, src/sfnt/rules.mk, src/sfnt/sfdriver.c, src/sfnt/sfnt.c, src/sfnt/sfobjs.c, src/sfnt/ttload.c, src/sfnt/ttload.h, src/sfnt/ttsbit.c, src/sfnt/ttsbit.h, src/sfnt/ttsbit0.c: Clean up the SFNT_Interface. * src/sfnt/ttmtx.c, src/sfnt/ttmtx.h: Metrics-related tables' loading and parsing code is moved here. Move `tt_face_get_metrics' here from the truetype module. The return value is changed from `void' to `FT_Error'. * include/freetype/internal/fttrace.h: New trace: ttmtx. * src/truetype/ttpload.c, src/truetype/ttpload.h: `hdmx' loading and parsing code is moved here. New function `tt_face_load_prep' splitted from `tt_face_load_fpgm'. `tt_face_load_fpgm' returns `FT_Err_Ok' if `fpgm' doesn't exist. * src/cff/cffgload.c, src/cff/cffobjs.c: Update. * src/truetype/ttgload.c, src/truetype/ttobjs.c: Update.
David Turner 89a2a4b5 2005-12-14T20:38:15 * include/freetype/config/ftoption.h, include/freetype/config/ftstdlib.h, include/freetype/internal/tttypes.h, src/sfnt/Jamfile, src/sfnt/rules.mk, src/sfnt/sfdriver.c, src/sfnt/ttbdf.h, src/sfnt/ttbdf.c, src/sfnt/sfobjs.c: Added support for an embedded 'BDF ' table within SFNT-based bitmap font files. This is used to store atoms & properties from the original BDF fonts that were used to generate the font file. the feature is controled by TT_CONFIG_OPTION_BDF within 'ftoption.h' and is used to implement FT_Get_BDF_Property for these font files. At the moment, this is still experimental, the BDF table format isn't cast into stone yet.
Werner Lemberg e793092d 2005-03-01T02:13:50 Formatting. * src/truetype/ttpload.c (tt_face_load_loca): Fix typo. * src/sfnt/ttkern.c: Include `ttkern.h'. (FT_COMPONENT): Updated. * include/freetype/internal/fttrace.h: Add entry for `ttkern'. * src/sfnt/ttsbit0.c: s/FT_Err_/SFNT_Err_/. Decorate constants with `U' and `L' where necessary. * src/sfnt/ttcmap.c (tt_cmap4_next): Remove unused variable.
David Turner e5680279 2005-02-26T00:12:04 * many, many files: several memory optimizations were implemented to drastically reduce the heap usage of FreeType, especially in the case of memory-mapped files. The idea is to avoid loading and decoding tables in the heap, and instead access the raw data whenever possible (i.e. when it doesn't compromise performance). This had several impacts: first, opening vera.ttf uses a ridiculous amount of memory (when the FT_Library footprint is accounted for), until you start loading glyphs. Even then, you'll save at least 20 Kb compared to the non optimized case. performance of various operations, including open/close has also been dramatically improved. More optimisations to come. The auto-hinter eats memory like crazy? This must be stopped...
Werner Lemberg 4b8397c7 2004-08-29T16:50:09 * src/otlayout/otlgpos.c (otl_gpos_subtable_validate): Add argument to pass number of lookups. Update all callers. Don't call otl_lookup_list_validate but otl_lookup_validate. (otl_gpos_validate): Call otl_lookup_list_validate instead of otl_gpos_subtable_validate. * src/otlayout/otlgpos.h: Updated. * src/otlayout/otljstf.c (otl_jstf_max_validate): Add argument to pass number of lookups. Update all callers. * src/cff/cffparse.c (cff_parse_real): s/exp/exponent/ to avoid compiler warning. * src/sfnt/ttcmap0.c, src/sfnt/ttcmap0.h: Renamed to... * src/sfnt/ttcmap.c, src/sfnt/ttcmap.h: This. * src/sfnt/Jamfile, src/sfnt/rules.mk, src/sfnt/sfdriver.c, src/sfnt/sfnt.c, src/sfnt/sfobjs.c: Updated. * builds/compiler/gcc-dev.mk (CFLAGS): Don't add `-Wnested-externs' if compiler is g++ (v3.3.3 emits a warning otherwise).
Werner Lemberg 80cfbd70 2003-12-26T07:26:08 * src/base/fttrigon.c, src/base/ftgloadr.c: Inlude FT_INTERNAL_OBJECTS_H. * src/base/ftstroke.c (FT_Outline_GetInsideBorder, FT_Outline_GetOutsideBorder): s/or/o/ to make it compile with C++ compilers. * src/cache/ftcmru.c, include/freetype/cache/ftcmru.h: s/select/selection/ to avoid compiler warning. * src/cff/cffload.h: s/select/ftselect/ to avoid potential compiler warning. Formatting.
Werner Lemberg b066c153 2003-12-16T06:42:11 * src/sfnt/ttcmap.c, src/sfnt/ttcmap.h: Removed. Obsolete. * include/freetype/internal/sfnt.h (SFNT_Interface): Remove obsolete fields `load_charmap' and `free_charmap'. (TT_CharMap_Load_Func, TT_CharMap_Free_Func): Removed. * src/sfnt/sfnt.c: Don't include ttcmap.c. * src/sfnt/rules.mk (SFNT_DRV_SRC): Don't include ttcmap.c. * src/sfnt/ttload.c: Don't include ttcmap.h. * src/sfnt/sfdriver.c: Don't include ttcmap.h. (sfnt_interface): Updated.
Werner Lemberg b7b163cb 2002-03-31T18:48:24 * src/sfnt/ttcmap.c: 16bit fixes (0xFFFF -> 0xFFFFU). * src/sfnt/ttcmap0.c: 16bit fixes. (TT_Build_CMaps): Simplify debug messages. (tt_cmap12_char_next): Fix offset. * src/sfnt/ttload.c (TT_Load_Names, TT_Load_CMap): Fix debug messages. (TT_Load_OS2): 16bit fix.
David Turner fd88e7c7 2002-03-22T15:02:38 * include/freetype/internal/ftobjs.h, src/sfnt/Jamfile, src/sfnt/rules.mk, src/sfnt/sfnt.c, src/sfnt/sfobjs.c, src/sfnt/ttload.c, src/sfnt/ttcmap0.c, src/sfnt/ttcmap0.h: updated the SFNT charmap support to use FT_CMaps
Werner Lemberg 415235df 2001-06-28T17:49:10 finishing function header formatting updating copyrights
David Turner 8d3a401f 2001-03-20T11:14:24 * builds/*/*-def.mk: changed the objects directory from "obj" to "objs" * include/freetype/config/ftheader.h: removed obsolete macros like FT_SOURCE_FILE, etc.. and added cache-specific macro definitions that were previously defined in <freetype/ftcache.h>. Added comments to be included in a new API Reference section. * src/*/*: removed the use of FT_SOURCE_FILE, etc.. now, each component needs to added its own directory to the include path at compile time. Modified all "rules.mk" and "descrip.mms" accordingly..
Werner Lemberg 63408a12 2000-12-13T23:44:37 include/freetype/internal/internal.h: Fixed header inclusion macros to use direct definitions. This is the only way to do these things in a portable way :-( The rest of the code should follow shortly though everything compiles now. * builds/compiler/intelc.mk, builds/compiler/watcom.mk: New files. * builds/win32/detect.mk: Added support for the Intel C/C++ compiler, as well as _preliminary_ (read: doesn't work!) support for Watcom. Also added a new setup target. Type "make setup list" for a list of supported command-line compilers on Win32. * src/base/ftdebug.c: Added dummy symbol to avoid empty file if conditionals are off.
David Turner 170c0d4c 2000-12-13T19:55:11 * include/freetype/config/ft2build.h, include/freetype/internal/internal.h: fixed header inclusion macros to use direct definitions. This is the only way to do these things in a portable way :-( The rest of the code should follow shortly though everything compiles now.. * builds/compiler/intelc.mk, builds/compiler/watcom.mk, builds/win32/detect.mk: added support for the Intel C/C++ compiler, as well as _preliminary_ (read: doesn't work !!) support for Watcom. Also added a new setup target. Type "make setup list" for a list of supported command-line compilers on Win32..
Werner Lemberg d5c1b27d 2000-12-12T22:28:12 * include/freetype/config/ft2build.h (FT2_ROOT, FT2_CONFIG_ROOT): Removed. ANSI C doesn't (explicitly) allow macro expansion in arguments using `##'. (FT2_PUBLIC_FILE, FT2_CONFIG_FILE, FT2_INTERNAL_FILE): Use directory names directly. Make them configurable. Use `##' to strip leading and trailing spaces from arguments. * builds/unix/ft2unix.h: Adapted. * src/base/ftsystem.c (ft_alloc, ft_realloc, ft_free, ft_io_stream, ft_close_stream): Use FT_CALLBACK_DEF. * builds/unix/ftsystem.c: Use new header scheme. (FT_Done_Memory): Use free() from FT_Memory structure. * src/base/ftinit.c, src/base/ftmac.c: Header scheme fixes. * include/freetype/config/ft2build.h (FT2_CONFIG_ROOT, FT2_PUBLIC_FILE, FT2_CONFIG_FILE, FT2_INTERNAL_FILE, FT_SOURCE_FILE): Use `##' operator to be really ANSI C compliant.
Werner Lemberg cc069beb 2000-12-08T16:17:16 cleanups
David Turner 19ed8afe 2000-12-08T02:42:29 - updated all source files to adhere to the new inclusion scheme - the CFF loader now loads the encodings and charset tables though doesn't use them for now
Werner Lemberg 7fa51b55 2000-07-08T19:51:42 Formatting. Adding some trivial error checking. Adding/Fixing tracing levels.
David Turner a90663f5 2000-07-08T00:41:13 vast clean-up of the sources in order to allow flat directory compilation (by defining the FT_FLAT_COMPILE macro at compile time..) moved "freetype2/BUILD" to "freetype2/docs/BUILD"
Werner Lemberg 4e6dd858 2000-06-05T05:26:15 freetype.h: Adding ft_encoding_xxx values for some CJK encodings. Fixing copyright notice on many files. Changed some tracing levels. A lot of formatting, fixing documentation etc. as usual.
David Turner 2e421319 2000-05-26T22:13:17 moved a lot of things from the TrueType driver to the SFNT module (whose interface has changed, by the way) This allows even more code re-use between TrueType and OpenType formats..
David Turner 7f7aadf4 2000-03-13T12:57:27 finished moving all configuration macros to "config/ftoption.h"
David Turner ca13392d 2000-03-01T13:24:38 a few changes to really compile font drivers in independent single objects..
David Turner d2b1f357 1999-12-16T23:11:37 Initial revision