diff options
author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /freetype/src/pfr/pfrcmap.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'freetype/src/pfr/pfrcmap.c')
-rw-r--r-- | freetype/src/pfr/pfrcmap.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/freetype/src/pfr/pfrcmap.c b/freetype/src/pfr/pfrcmap.c new file mode 100644 index 000000000..d4656d1b5 --- /dev/null +++ b/freetype/src/pfr/pfrcmap.c @@ -0,0 +1,167 @@ +/***************************************************************************/ +/* */ +/* pfrcmap.c */ +/* */ +/* FreeType PFR cmap handling (body). */ +/* */ +/* Copyright 2002, 2007 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 "pfrcmap.h" +#include "pfrobjs.h" +#include FT_INTERNAL_DEBUG_H + +#include "pfrerror.h" + + + FT_CALLBACK_DEF( FT_Error ) + pfr_cmap_init( PFR_CMap cmap ) + { + FT_Error error = PFR_Err_Ok; + PFR_Face face = (PFR_Face)FT_CMAP_FACE( cmap ); + + + cmap->num_chars = face->phy_font.num_chars; + cmap->chars = face->phy_font.chars; + + /* just for safety, check that the character entries are correctly */ + /* sorted in increasing character code order */ + { + FT_UInt n; + + + for ( n = 1; n < cmap->num_chars; n++ ) + { + if ( cmap->chars[n - 1].char_code >= cmap->chars[n].char_code ) + { + error = PFR_Err_Invalid_Table; + goto Exit; + } + } + } + + Exit: + return error; + } + + + FT_CALLBACK_DEF( void ) + pfr_cmap_done( PFR_CMap cmap ) + { + cmap->chars = NULL; + cmap->num_chars = 0; + } + + + FT_CALLBACK_DEF( FT_UInt ) + pfr_cmap_char_index( PFR_CMap cmap, + FT_UInt32 char_code ) + { + FT_UInt min = 0; + FT_UInt max = cmap->num_chars; + FT_UInt mid; + PFR_Char gchar; + + + while ( min < max ) + { + mid = min + ( max - min ) / 2; + gchar = cmap->chars + mid; + + if ( gchar->char_code == char_code ) + return mid + 1; + + if ( gchar->char_code < char_code ) + min = mid + 1; + else + max = mid; + } + return 0; + } + + + FT_CALLBACK_DEF( FT_UInt ) + pfr_cmap_char_next( PFR_CMap cmap, + FT_UInt32 *pchar_code ) + { + FT_UInt result = 0; + FT_UInt32 char_code = *pchar_code + 1; + + + Restart: + { + FT_UInt min = 0; + FT_UInt max = cmap->num_chars; + FT_UInt mid; + PFR_Char gchar; + + + while ( min < max ) + { + mid = min + ( ( max - min ) >> 1 ); + gchar = cmap->chars + mid; + + if ( gchar->char_code == char_code ) + { + result = mid; + if ( result != 0 ) + { + result++; + goto Exit; + } + + char_code++; + goto Restart; + } + + if ( gchar->char_code < char_code ) + min = mid+1; + else + max = mid; + } + + /* we didn't find it, but we have a pair just above it */ + char_code = 0; + + if ( min < cmap->num_chars ) + { + gchar = cmap->chars + min; + result = min; + if ( result != 0 ) + { + result++; + char_code = gchar->char_code; + } + } + } + + Exit: + *pchar_code = char_code; + return result; + } + + + FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec + pfr_cmap_class_rec = + { + sizeof ( PFR_CMapRec ), + + (FT_CMap_InitFunc) pfr_cmap_init, + (FT_CMap_DoneFunc) pfr_cmap_done, + (FT_CMap_CharIndexFunc)pfr_cmap_char_index, + (FT_CMap_CharNextFunc) pfr_cmap_char_next, + + NULL, NULL, NULL, NULL, NULL + }; + + +/* END */ |