core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1objs.c - Issue 815103002: Update freetype to 2.5.4.

Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1objs.c

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Adjust GYP and GN Created 6 years ago

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Index: core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1objs.c

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1objs.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1objs.c

deleted file mode 100644

index 81b230381cc571b5e2e35f223d3c6fce69026007..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/type1/t1objs.c

+++ /dev/null

@@ -1,616 +0,0 @@

-/***************************************************************************/

-/* */

-/* t1objs.c */

-/* */

-/* Type 1 objects manager (body). */

-/* */

-/* 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 "../../include/ft2build.h"

-#include "../../include/freetype/internal/ftcalc.h"

-#include "../../include/freetype/internal/ftdebug.h"

-#include "../../include/freetype/internal/ftstream.h"

-#include "../../include/freetype/ttnameid.h"

-#include "t1gload.h"

-#include "t1load.h"

-#include "t1errors.h"

-#ifndef T1_CONFIG_OPTION_NO_AFM

-#include "t1afm.h"

-#endif

-#include "../../include/freetype/internal/services/svpscmap.h"

-#include "../../include/freetype/internal/psaux.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_t1objs

- /*************************************************************************/

- /* */

- /* SIZE FUNCTIONS */

- /* */

- /* note that we store the global hints in the size's "internal" root */

- /* field */

- /* */

- /*************************************************************************/

- static PSH_Globals_Funcs

- T1_Size_Get_Globals_Funcs( T1_Size size )

- {

- T1_Face face = (T1_Face)size->root.face;

- PSHinter_Service pshinter = (PSHinter_Service)face->pshinter;

- FT_Module module;

- module = FT_Get_Module( size->root.face->driver->root.library,

- "pshinter" );

- return ( module && pshinter && pshinter->get_globals_funcs )

- ? pshinter->get_globals_funcs( module )

- : 0 ;

- }

- FT_LOCAL_DEF( void )

- T1_Size_Done( FT_Size t1size ) /* T1_Size */

- {

- T1_Size size = (T1_Size)t1size;

- if ( size->root.internal )

- {

- PSH_Globals_Funcs funcs;

- funcs = T1_Size_Get_Globals_Funcs( size );

- if ( funcs )

- funcs->destroy( (PSH_Globals)size->root.internal );

- size->root.internal = 0;

- }

- FT_LOCAL_DEF( FT_Error )

- T1_Size_Init( FT_Size t1size ) /* T1_Size */

- {

- T1_Size size = (T1_Size)t1size;

- FT_Error error = FT_Err_Ok;

- PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size );

- if ( funcs )

- {

- PSH_Globals globals;

- T1_Face face = (T1_Face)size->root.face;

- error = funcs->create( size->root.face->memory,

- &face->type1.private_dict, &globals );

- if ( !error )

- size->root.internal = (FT_Size_Internal)(void*)globals;

- }

- return error;

- }

- FT_LOCAL_DEF( FT_Error )

- T1_Size_Request( FT_Size t1size, /* T1_Size */

- FT_Size_Request req )

- {

- T1_Size size = (T1_Size)t1size;

- PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size );

- FT_Request_Metrics( size->root.face, req );

- if ( funcs )

- funcs->set_scale( (PSH_Globals)size->root.internal,

- size->root.metrics.x_scale,

- size->root.metrics.y_scale,

- 0, 0 );

- return FT_Err_Ok;

- }

- /*************************************************************************/

- /* */

- /* SLOT FUNCTIONS */

- /* */

- /*************************************************************************/

- FT_LOCAL_DEF( void )

- T1_GlyphSlot_Done( FT_GlyphSlot slot )

- {

- slot->internal->glyph_hints = 0;

- }

- FT_LOCAL_DEF( FT_Error )

- T1_GlyphSlot_Init( FT_GlyphSlot slot )

- {

- T1_Face face;

- PSHinter_Service pshinter;

- face = (T1_Face)slot->face;

- pshinter = (PSHinter_Service)face->pshinter;

- if ( pshinter )

- {

- FT_Module module;

- module = FT_Get_Module( slot->face->driver->root.library,

- "pshinter" );

- if ( module )

- {

- T1_Hints_Funcs funcs;

- funcs = pshinter->get_t1_funcs( module );

- slot->internal->glyph_hints = (void*)funcs;

- }

- return 0;

- }

- /*************************************************************************/

- /* */

- /* FACE FUNCTIONS */

- /* */

- /*************************************************************************/

- /* */

- /* <Function> */

- /* T1_Face_Done */

- /* */

- /* <Description> */

- /* The face object destructor. */

- /* */

- /* <Input> */

- /* face :: A typeless pointer to the face object to destroy. */

- /* */

- FT_LOCAL_DEF( void )

- T1_Face_Done( FT_Face t1face ) /* T1_Face */

- {

- T1_Face face = (T1_Face)t1face;

- FT_Memory memory;

- T1_Font type1;

- if ( !face )

- return;

- memory = face->root.memory;

- type1 = &face->type1;

-#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT

- /* release multiple masters information */

- FT_ASSERT( ( face->len_buildchar == 0 ) == ( face->buildchar == NULL ) );

- if ( face->buildchar )

- {

- FT_FREE( face->buildchar );

- face->buildchar = NULL;

- face->len_buildchar = 0;

- }

- T1_Done_Blend( face );

- face->blend = 0;

-#endif

- /* release font info strings */

- {

- PS_FontInfo info = &type1->font_info;

- FT_FREE( info->version );

- FT_FREE( info->notice );

- FT_FREE( info->full_name );

- FT_FREE( info->family_name );

- FT_FREE( info->weight );

- }

- /* release top dictionary */

- FT_FREE( type1->charstrings_len );

- FT_FREE( type1->charstrings );

- FT_FREE( type1->glyph_names );

- FT_FREE( type1->subrs );

- FT_FREE( type1->subrs_len );

- FT_FREE( type1->subrs_block );

- FT_FREE( type1->charstrings_block );

- FT_FREE( type1->glyph_names_block );

- FT_FREE( type1->encoding.char_index );

- FT_FREE( type1->encoding.char_name );

- FT_FREE( type1->font_name );

-#ifndef T1_CONFIG_OPTION_NO_AFM

- /* release afm data if present */

- if ( face->afm_data )

- T1_Done_Metrics( memory, (AFM_FontInfo)face->afm_data );

-#endif

- /* release unicode map, if any */

-#if 0

- FT_FREE( face->unicode_map_rec.maps );

- face->unicode_map_rec.num_maps = 0;

- face->unicode_map = NULL;

-#endif

- face->root.family_name = NULL;

- face->root.style_name = NULL;

- }

- /*************************************************************************/

- /* */

- /* <Function> */

- /* T1_Face_Init */

- /* */

- /* <Description> */

- /* The face object constructor. */

- /* */

- /* <Input> */

- /* stream :: input stream where to load font data. */

- /* */

- /* face_index :: The index of the font face in the resource. */

- /* */

- /* num_params :: Number of additional generic parameters. Ignored. */

- /* */

- /* params :: Additional generic parameters. Ignored. */

- /* */

- /* <InOut> */

- /* face :: The face record to build. */

- /* */

- /* <Return> */

- /* FreeType error code. 0 means success. */

- /* */

- FT_LOCAL_DEF( FT_Error )

- T1_Face_Init( FT_Stream stream,

- FT_Face t1face, /* T1_Face */

- FT_Int face_index,

- FT_Int num_params,

- FT_Parameter* params )

- {

- T1_Face face = (T1_Face)t1face;

- FT_Error error;

- FT_Service_PsCMaps psnames;

- PSAux_Service psaux;

- T1_Font type1 = &face->type1;

- PS_FontInfo info = &type1->font_info;

- FT_UNUSED( num_params );

- FT_UNUSED( params );

- FT_UNUSED( stream );

- face->root.num_faces = 1;

- FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );

- face->psnames = psnames;

- face->psaux = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ),

- "psaux" );

- psaux = (PSAux_Service)face->psaux;

- if ( !psaux )

- {

- FT_ERROR(( "T1_Face_Init: cannot access `psaux' module\n" ));

- error = FT_THROW( Missing_Module );

- goto Exit;

- }

- face->pshinter = FT_Get_Module_Interface( FT_FACE_LIBRARY( face ),

- "pshinter" );

- FT_TRACE2(( "Type 1 driver\n" ));

- /* open the tokenizer; this will also check the font format */

- error = T1_Open_Face( face );

- if ( error )

- goto Exit;

- /* if we just wanted to check the format, leave successfully now */

- if ( face_index < 0 )

- goto Exit;

- /* check the face index */

- if ( face_index > 0 )

- {

- FT_ERROR(( "T1_Face_Init: invalid face index\n" ));

- error = FT_THROW( Invalid_Argument );

- goto Exit;

- }

- /* now load the font program into the face object */

- /* initialize the face object fields */

- /* set up root face fields */

- {

- FT_Face root = (FT_Face)&face->root;

- root->num_glyphs = type1->num_glyphs;

- root->face_index = 0;

- root->face_flags = FT_FACE_FLAG_SCALABLE |

- FT_FACE_FLAG_HORIZONTAL |

- FT_FACE_FLAG_GLYPH_NAMES |

- FT_FACE_FLAG_HINTER;

- if ( info->is_fixed_pitch )

- root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;

- if ( face->blend )

- root->face_flags |= FT_FACE_FLAG_MULTIPLE_MASTERS;

- /* XXX: TODO -- add kerning with .afm support */

- /* The following code to extract the family and the style is very */

- /* simplistic and might get some things wrong. For a full-featured */

- /* algorithm you might have a look at the whitepaper given at */

- /* */

- /* http://blogs.msdn.com/text/archive/2007/04/23/wpf-font-selection-model.aspx */

- /* get style name -- be careful, some broken fonts only */

- /* have a `/FontName' dictionary entry! */

- root->family_name = info->family_name;

- root->style_name = NULL;

- if ( root->family_name )

- {

- char* full = info->full_name;

- char* family = root->family_name;

- if ( full )

- {

- FT_Bool the_same = TRUE;

- while ( *full )

- {

- if ( *full == *family )

- {

- family++;

- full++;

- }

- else

- {

- if ( *full == ' ' || *full == '-' )

- full++;

- else if ( *family == ' ' || *family == '-' )

- family++;

- else

- {

- the_same = FALSE;

- if ( !*family )

- root->style_name = full;

- break;

- }

- if ( the_same )

- root->style_name = (char *)"Regular";

- }

- else

- {

- /* do we have a `/FontName'? */

- if ( type1->font_name )

- root->family_name = type1->font_name;

- }

- if ( !root->style_name )

- {

- if ( info->weight )

- root->style_name = info->weight;

- else

- /* assume `Regular' style because we don't know better */

- root->style_name = (char *)"Regular";

- }

- /* compute style flags */

- root->style_flags = 0;

- if ( info->italic_angle )

- root->style_flags |= FT_STYLE_FLAG_ITALIC;

- if ( info->weight )

- {

- if ( !ft_strcmp( info->weight, "Bold" ) ||

- !ft_strcmp( info->weight, "Black" ) )

- root->style_flags |= FT_STYLE_FLAG_BOLD;

- }

- /* no embedded bitmap support */

- root->num_fixed_sizes = 0;

- root->available_sizes = 0;

- root->bbox.xMin = type1->font_bbox.xMin >> 16;

- root->bbox.yMin = type1->font_bbox.yMin >> 16;

- /* no `U' suffix here to 0xFFFF! */

- root->bbox.xMax = ( type1->font_bbox.xMax + 0xFFFF ) >> 16;

- root->bbox.yMax = ( type1->font_bbox.yMax + 0xFFFF ) >> 16;

- /* Set units_per_EM if we didn't set it in t1_parse_font_matrix. */

- if ( !root->units_per_EM )

- root->units_per_EM = 1000;

- root->ascender = (FT_Short)( root->bbox.yMax );

- root->descender = (FT_Short)( root->bbox.yMin );

- root->height = (FT_Short)( ( root->units_per_EM * 12 ) / 10 );

- if ( root->height < root->ascender - root->descender )

- root->height = (FT_Short)( root->ascender - root->descender );

- /* now compute the maximum advance width */

- root->max_advance_width =

- (FT_Short)( root->bbox.xMax );

- {

- FT_Pos max_advance;

- error = T1_Compute_Max_Advance( face, &max_advance );

- /* in case of error, keep the standard width */

- if ( !error )

- root->max_advance_width = (FT_Short)FIXED_TO_INT( max_advance );

- else

- error = FT_Err_Ok; /* clear error */

- }

- root->max_advance_height = root->height;

- root->underline_position = (FT_Short)info->underline_position;

- root->underline_thickness = (FT_Short)info->underline_thickness;

- }

- {

- FT_Face root = &face->root;

- if ( psnames )

- {

- FT_CharMapRec charmap;

- T1_CMap_Classes cmap_classes = psaux->t1_cmap_classes;

- FT_CMap_Class clazz;

- charmap.face = root;

- /* first of all, try to synthesize a Unicode charmap */

- charmap.platform_id = TT_PLATFORM_MICROSOFT;

- charmap.encoding_id = TT_MS_ID_UNICODE_CS;

- charmap.encoding = FT_ENCODING_UNICODE;

- error = FT_CMap_New( cmap_classes->unicode, NULL, &charmap, NULL );

- if ( error &&

- FT_ERR_NEQ( error, No_Unicode_Glyph_Name ) )

- goto Exit;

- error = FT_Err_Ok;

- /* now, generate an Adobe Standard encoding when appropriate */

- charmap.platform_id = TT_PLATFORM_ADOBE;

- clazz = NULL;

- switch ( type1->encoding_type )

- {

- case T1_ENCODING_TYPE_STANDARD:

- charmap.encoding = FT_ENCODING_ADOBE_STANDARD;

- charmap.encoding_id = TT_ADOBE_ID_STANDARD;

- clazz = cmap_classes->standard;

- break;

- case T1_ENCODING_TYPE_EXPERT:

- charmap.encoding = FT_ENCODING_ADOBE_EXPERT;

- charmap.encoding_id = TT_ADOBE_ID_EXPERT;

- clazz = cmap_classes->expert;

- break;

- case T1_ENCODING_TYPE_ARRAY:

- charmap.encoding = FT_ENCODING_ADOBE_CUSTOM;

- charmap.encoding_id = TT_ADOBE_ID_CUSTOM;

- clazz = cmap_classes->custom;

- break;

- case T1_ENCODING_TYPE_ISOLATIN1:

- charmap.encoding = FT_ENCODING_ADOBE_LATIN_1;

- charmap.encoding_id = TT_ADOBE_ID_LATIN_1;

- clazz = cmap_classes->unicode;

- break;

- default:

- ;

- }

- if ( clazz )

- error = FT_CMap_New( clazz, NULL, &charmap, NULL );

-#if 0

- /* Select default charmap */

- if (root->num_charmaps)

- root->charmap = root->charmaps[0];

-#endif

- }

- Exit:

- return error;

- }

- /*************************************************************************/

- /* */

- /* <Function> */

- /* T1_Driver_Init */

- /* */

- /* <Description> */

- /* Initializes a given Type 1 driver object. */

- /* */

- /* <Input> */

- /* driver :: A handle to the target driver object. */

- /* */

- /* <Return> */

- /* FreeType error code. 0 means success. */

- /* */

- FT_LOCAL_DEF( FT_Error )

- T1_Driver_Init( FT_Module driver )

- {

- FT_UNUSED( driver );

- return FT_Err_Ok;

- }

- /*************************************************************************/

- /* */

- /* <Function> */

- /* T1_Driver_Done */

- /* */

- /* <Description> */

- /* Finalizes a given Type 1 driver. */

- /* */

- /* <Input> */

- /* driver :: A handle to the target Type 1 driver. */

- /* */

- FT_LOCAL_DEF( void )

- T1_Driver_Done( FT_Module driver )

- {

- FT_UNUSED( driver );

- }

-/* END */