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Diffstat (limited to 'nx-X11/extras/freetype2/src/truetype/ttdriver.c')
-rw-r--r--nx-X11/extras/freetype2/src/truetype/ttdriver.c465
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 */
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