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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
commit | b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch) | |
tree | 4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/extras/freetype2/src/truetype/ttdriver.c | |
parent | 0d5a83e986f39982c0924652a3662e60b1f23162 (diff) | |
download | nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.gz nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.bz2 nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.zip |
massive reduction of unneeded files
Diffstat (limited to 'nx-X11/extras/freetype2/src/truetype/ttdriver.c')
-rw-r--r-- | nx-X11/extras/freetype2/src/truetype/ttdriver.c | 465 |
1 files changed, 0 insertions, 465 deletions
diff --git a/nx-X11/extras/freetype2/src/truetype/ttdriver.c b/nx-X11/extras/freetype2/src/truetype/ttdriver.c deleted file mode 100644 index 25948839d..000000000 --- a/nx-X11/extras/freetype2/src/truetype/ttdriver.c +++ /dev/null @@ -1,465 +0,0 @@ -/***************************************************************************/ -/* */ -/* ttdriver.c */ -/* */ -/* TrueType font driver implementation (body). */ -/* */ -/* Copyright 1996-2001, 2002, 2003, 2004 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 <ft2build.h> -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_INTERNAL_SFNT_H -#include FT_TRUETYPE_IDS_H -#include FT_SERVICE_XFREE86_NAME_H - -#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT -#include FT_MULTIPLE_MASTERS_H -#include FT_SERVICE_MULTIPLE_MASTERS_H -#endif - -#include "ttdriver.h" -#include "ttgload.h" - -#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT -#include "ttgxvar.h" -#endif - -#include "tterrors.h" - - - /*************************************************************************/ - /* */ - /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ - /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ - /* messages during execution. */ - /* */ -#undef FT_COMPONENT -#define FT_COMPONENT trace_ttdriver - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** F A C E S ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - -#undef PAIR_TAG -#define PAIR_TAG( left, right ) ( ( (FT_ULong)left << 16 ) | \ - (FT_ULong)right ) - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* Get_Kerning */ - /* */ - /* <Description> */ - /* A driver method used to return the kerning vector between two */ - /* glyphs of the same face. */ - /* */ - /* <Input> */ - /* face :: A handle to the source face object. */ - /* */ - /* left_glyph :: The index of the left glyph in the kern pair. */ - /* */ - /* right_glyph :: The index of the right glyph in the kern pair. */ - /* */ - /* <Output> */ - /* kerning :: The kerning vector. This is in font units for */ - /* scalable formats, and in pixels for fixed-sizes */ - /* formats. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* Only horizontal layouts (left-to-right & right-to-left) are */ - /* supported by this function. Other layouts, or more sophisticated */ - /* kernings, are out of scope of this method (the basic driver */ - /* interface is meant to be simple). */ - /* */ - /* They can be implemented by format-specific interfaces. */ - /* */ - static FT_Error - Get_Kerning( FT_Face ttface, /* TT_Face */ - FT_UInt left_glyph, - FT_UInt right_glyph, - FT_Vector* kerning ) - { - TT_Face face = (TT_Face)ttface; - TT_Kern0_Pair pair; - - - if ( !face ) - return TT_Err_Invalid_Face_Handle; - - kerning->x = 0; - kerning->y = 0; - - if ( face->kern_pairs ) - { - /* there are some kerning pairs in this font file! */ - FT_ULong search_tag = PAIR_TAG( left_glyph, right_glyph ); - FT_Long left, right; - - - left = 0; - right = face->num_kern_pairs - 1; - - while ( left <= right ) - { - FT_Long middle = left + ( ( right - left ) >> 1 ); - FT_ULong cur_pair; - - - pair = face->kern_pairs + middle; - cur_pair = PAIR_TAG( pair->left, pair->right ); - - if ( cur_pair == search_tag ) - goto Found; - - if ( cur_pair < search_tag ) - left = middle + 1; - else - right = middle - 1; - } - } - - Exit: - return TT_Err_Ok; - - Found: - kerning->x = pair->value; - goto Exit; - } - - -#undef PAIR_TAG - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** S I Z E S ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* Set_Char_Sizes */ - /* */ - /* <Description> */ - /* A driver method used to reset a size's character sizes (horizontal */ - /* and vertical) expressed in fractional points. */ - /* */ - /* <Input> */ - /* char_width :: The character width expressed in 26.6 */ - /* fractional points. */ - /* */ - /* char_height :: The character height expressed in 26.6 */ - /* fractional points. */ - /* */ - /* horz_resolution :: The horizontal resolution of the output device. */ - /* */ - /* vert_resolution :: The vertical resolution of the output device. */ - /* */ - /* <InOut> */ - /* size :: A handle to the target size object. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - Set_Char_Sizes( FT_Size ttsize, /* TT_Size */ - FT_F26Dot6 char_width, - FT_F26Dot6 char_height, - FT_UInt horz_resolution, - FT_UInt vert_resolution ) - { - TT_Size size = (TT_Size)ttsize; - FT_Size_Metrics* metrics = &size->root.metrics; - FT_Size_Metrics* metrics2 = &size->metrics; - TT_Face face = (TT_Face)size->root.face; - FT_Long dim_x, dim_y; - - - *metrics2 = *metrics; - - /* This bit flag, when set, indicates that the pixel size must be */ - /* truncated to an integer. Nearly all TrueType fonts have this */ - /* bit set, as hinting won't work really well otherwise. */ - /* */ - if ( ( face->header.Flags & 8 ) != 0 ) - { - /* we need to use rounding in the following computations. Otherwise, - * the resulting hinted outlines will be very slightly distorted - */ - dim_x = ( ( char_width * horz_resolution + (36+32*72) ) / 72 ) & ~63; - dim_y = ( ( char_height * vert_resolution + (36+32*72) ) / 72 ) & ~63; - } - else - { - dim_x = ( ( char_width * horz_resolution + 36 ) / 72 ); - dim_y = ( ( char_height * vert_resolution + 36 ) / 72 ); - } - - /* we only modify "metrics2", not "metrics", so these changes have */ - /* no effect on the result of the auto-hinter when it is used */ - /* */ - metrics2->x_ppem = (FT_UShort)( dim_x >> 6 ); - metrics2->y_ppem = (FT_UShort)( dim_y >> 6 ); - metrics2->x_scale = FT_DivFix( dim_x, face->root.units_per_EM ); - metrics2->y_scale = FT_DivFix( dim_y, face->root.units_per_EM ); - - size->ttmetrics.valid = FALSE; -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - size->strike_index = 0xFFFFU; -#endif - - return tt_size_reset( size ); - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* Set_Pixel_Sizes */ - /* */ - /* <Description> */ - /* A driver method used to reset a size's character sizes (horizontal */ - /* and vertical) expressed in integer pixels. */ - /* */ - /* <InOut> */ - /* size :: A handle to the target size object. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - Set_Pixel_Sizes( FT_Size ttsize, /* TT_Size */ - FT_UInt pixel_width, - FT_UInt pixel_height ) - { - TT_Size size = (TT_Size)ttsize; - - FT_UNUSED( pixel_width ); - FT_UNUSED( pixel_height ); - - - /* many things have been pre-computed by the base layer */ - - size->metrics = size->root.metrics; - size->ttmetrics.valid = FALSE; -#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS - size->strike_index = 0xFFFFU; -#endif - - return tt_size_reset( size ); - } - - - /*************************************************************************/ - /* */ - /* <Function> */ - /* Load_Glyph */ - /* */ - /* <Description> */ - /* A driver method used to load a glyph within a given glyph slot. */ - /* */ - /* <Input> */ - /* slot :: A handle to the target slot object where the glyph */ - /* will be loaded. */ - /* */ - /* size :: A handle to the source face size at which the glyph */ - /* must be scaled, loaded, etc. */ - /* */ - /* glyph_index :: The index of the glyph in the font file. */ - /* */ - /* load_flags :: A flag indicating what to load for this glyph. The */ - /* FTLOAD_??? constants can be used to control the */ - /* glyph loading process (e.g., whether the outline */ - /* should be scaled, whether to load bitmaps or not, */ - /* whether to hint the outline, etc). */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - static FT_Error - Load_Glyph( FT_GlyphSlot ttslot, /* TT_GlyphSlot */ - FT_Size ttsize, /* TT_Size */ - FT_UInt glyph_index, - FT_Int32 load_flags ) - { - TT_GlyphSlot slot = (TT_GlyphSlot)ttslot; - TT_Size size = (TT_Size)ttsize; - FT_Error error; - - - if ( !slot ) - return TT_Err_Invalid_Slot_Handle; - - /* check whether we want a scaled outline or bitmap */ - if ( !size ) - load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; - - if ( load_flags & FT_LOAD_NO_SCALE ) - size = NULL; - - /* reset the size object if necessary */ - if ( size ) - { - /* these two object must have the same parent */ - if ( size->root.face != slot->face ) - return TT_Err_Invalid_Face_Handle; - - if ( !size->ttmetrics.valid ) - { - if ( FT_SET_ERROR( tt_size_reset( size ) ) ) - return error; - } - } - - /* now load the glyph outline if necessary */ - error = TT_Load_Glyph( size, slot, glyph_index, load_flags ); - - /* force drop-out mode to 2 - irrelevant now */ - /* slot->outline.dropout_mode = 2; */ - - return error; - } - - - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - /**** ****/ - /**** ****/ - /**** D R I V E R I N T E R F A C E ****/ - /**** ****/ - /**** ****/ - /*************************************************************************/ - /*************************************************************************/ - /*************************************************************************/ - -#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT - static const FT_Service_MultiMastersRec tt_service_gx_multi_masters = - { - (FT_Get_MM_Func) NULL, - (FT_Set_MM_Design_Func) NULL, - (FT_Set_MM_Blend_Func) TT_Set_MM_Blend, - (FT_Get_MM_Var_Func) TT_Get_MM_Var, - (FT_Set_Var_Design_Func)TT_Set_Var_Design - }; -#endif - - - static const FT_ServiceDescRec tt_services[] = - { - { FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_TRUETYPE }, -#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT - { FT_SERVICE_ID_MULTI_MASTERS, &tt_service_gx_multi_masters }, -#endif - { NULL, NULL } - }; - - - FT_CALLBACK_DEF( FT_Module_Interface ) - tt_get_interface( FT_Module driver, /* TT_Driver */ - const char* tt_interface ) - { - FT_Module_Interface result; - FT_Module sfntd; - SFNT_Service sfnt; - - - result = ft_service_list_lookup( tt_services, tt_interface ); - if ( result != NULL ) - return result; - - /* only return the default interface from the SFNT module */ - sfntd = FT_Get_Module( driver->library, "sfnt" ); - if ( sfntd ) - { - sfnt = (SFNT_Service)( sfntd->clazz->module_interface ); - if ( sfnt ) - return sfnt->get_interface( driver, tt_interface ); - } - - return 0; - } - - - /* The FT_DriverInterface structure is defined in ftdriver.h. */ - - FT_CALLBACK_TABLE_DEF - const FT_Driver_ClassRec tt_driver_class = - { - { - FT_MODULE_FONT_DRIVER | - FT_MODULE_DRIVER_SCALABLE | -#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER - FT_MODULE_DRIVER_HAS_HINTER, -#else - 0, -#endif - - sizeof ( TT_DriverRec ), - - "truetype", /* driver name */ - 0x10000L, /* driver version == 1.0 */ - 0x20000L, /* driver requires FreeType 2.0 or above */ - - (void*)0, /* driver specific interface */ - - tt_driver_init, - tt_driver_done, - tt_get_interface, - }, - - sizeof ( TT_FaceRec ), - sizeof ( TT_SizeRec ), - sizeof ( FT_GlyphSlotRec ), - - tt_face_init, - tt_face_done, - tt_size_init, - tt_size_done, - 0, /* FT_Slot_InitFunc */ - 0, /* FT_Slot_DoneFunc */ - - Set_Char_Sizes, - Set_Pixel_Sizes, - Load_Glyph, - - Get_Kerning, - 0, /* FT_Face_AttachFunc */ - 0 /* FT_Face_GetAdvancesFunc */ - }; - - -/* END */ |