/***************************************************************************//* *//* pfrload.c *//* *//* FreeType PFR loader (body). *//* *//* Copyright 2002 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 "pfrload.h"#include FT_INTERNAL_DEBUG_H#include FT_INTERNAL_STREAM_H #include "pfrerror.h" #undef FT_COMPONENT#define FT_COMPONENT trace_pfr /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** EXTRA ITEMS *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_LOCAL_DEF( FT_Error ) pfr_extra_items_skip( FT_Byte* *pp, FT_Byte* limit ) { return pfr_extra_items_parse( pp, limit, NULL, NULL ); } FT_LOCAL_DEF( FT_Error ) pfr_extra_items_parse( FT_Byte* *pp, FT_Byte* limit, PFR_ExtraItem item_list, FT_Pointer item_data ) { FT_Error error = 0; FT_Byte* p = *pp; FT_UInt num_items, item_type, item_size; PFR_CHECK( 1 ); num_items = PFR_NEXT_BYTE( p ); for ( ; num_items > 0; num_items-- ) { PFR_CHECK( 2 ); item_size = PFR_NEXT_BYTE( p ); item_type = PFR_NEXT_BYTE( p ); PFR_CHECK( item_size ); if ( item_list ) { PFR_ExtraItem extra = item_list; for ( extra = item_list; extra->parser != NULL; extra++ ) { if ( extra->type == item_type ) { error = extra->parser( p, p + item_size, item_data ); if ( error ) goto Exit; break; } } } p += item_size; } Exit: *pp = p; return error; Too_Short: FT_ERROR(( "pfr_extra_items_parse: invalid extra items table\n" )); error = PFR_Err_Invalid_Table; goto Exit; } /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** PFR HEADER *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ static const FT_Frame_Field pfr_header_fields[] = {#undef FT_STRUCTURE#define FT_STRUCTURE PFR_HeaderRec FT_FRAME_START( 58 ), FT_FRAME_ULONG ( signature ), FT_FRAME_USHORT( version ), FT_FRAME_USHORT( signature2 ), FT_FRAME_USHORT( header_size ), FT_FRAME_USHORT( log_dir_size ), FT_FRAME_USHORT( log_dir_offset ), FT_FRAME_USHORT( log_font_max_size ), FT_FRAME_UOFF3 ( log_font_section_size ), FT_FRAME_UOFF3 ( log_font_section_offset ), FT_FRAME_USHORT( phy_font_max_size ), FT_FRAME_UOFF3 ( phy_font_section_size ), FT_FRAME_UOFF3 ( phy_font_section_offset ), FT_FRAME_USHORT( gps_max_size ), FT_FRAME_UOFF3 ( gps_section_size ), FT_FRAME_UOFF3 ( gps_section_offset ), FT_FRAME_BYTE ( max_blue_values ), FT_FRAME_BYTE ( max_x_orus ), FT_FRAME_BYTE ( max_y_orus ), FT_FRAME_BYTE ( phy_font_max_size_high ), FT_FRAME_BYTE ( color_flags ), FT_FRAME_UOFF3 ( bct_max_size ), FT_FRAME_UOFF3 ( bct_set_max_size ), FT_FRAME_UOFF3 ( phy_bct_set_max_size ), FT_FRAME_USHORT( num_phy_fonts ), FT_FRAME_BYTE ( max_vert_stem_snap ), FT_FRAME_BYTE ( max_horz_stem_snap ), FT_FRAME_USHORT( max_chars ), FT_FRAME_END }; FT_LOCAL_DEF( FT_Error ) pfr_header_load( PFR_Header header, FT_Stream stream ) { FT_Error error; /* read header directly */ if ( !FT_STREAM_SEEK( 0 ) && !FT_STREAM_READ_FIELDS( pfr_header_fields, header ) ) { /* make a few adjustments to the header */ header->phy_font_max_size += (FT_UInt32)header->phy_font_max_size_high << 16; } return error; } FT_LOCAL_DEF( FT_Bool ) pfr_header_check( PFR_Header header ) { FT_Bool result = 1; /* check signature and header size */ if ( header->signature != 0x50465230L || /* "PFR0" */ header->version > 4 || header->header_size < 58 || header->signature2 != 0x0d0a ) /* CR/LF */ { result = 0; } return result; } /***********************************************************************/ /***********************************************************************/ /***** *****/ /***** PFR LOGICAL FONTS *****/ /***** *****/ /***********************************************************************/ /***********************************************************************/ FT_LOCAL_DEF( FT_Error ) pfr_log_font_count( FT_Stream stream, FT_UInt32 section_offset, FT_UInt *acount ) { FT_Error error; FT_UInt count; FT_UInt result = 0; if ( FT_STREAM_SEEK( section_offset ) || FT_READ_USHORT( count ) ) goto Exit; result = count; Exit: *acount = result; return error; } FT_LOCAL_DEF( FT_Error ) pfr_log_font_load( PFR_LogFont log_font, FT_Stream stream, FT_UInt idx, FT_UInt32 section_offset, FT_Bool size_increment ) { FT_UInt num_log_fonts; FT_UInt flags; FT_UInt32 offset; FT_UInt32 size; FT_Error error; if ( FT_STREAM_SEEK( section_offset ) || FT_READ_USHORT( num_log_fonts ) ) goto Exit; if ( idx >= num_log_fonts ) return PFR_Err_Invalid_Argument; if ( FT_STREAM_SKIP( idx * 5 ) || FT_READ_USHORT( size ) || FT_READ_UOFF3 ( offset ) ) goto Exit; /* save logical font size and offset */ log_font->size = size; log_font->offset = offset; /* now, check the rest of the table before loading it */ { FT_Byte* p; FT_Byte* limit; FT_UInt local; if ( FT_STREAM_SEEK( offset ) || FT_FRAME_ENTER( size ) ) goto Exit; p = stream->cursor; limit = p + size; PFR_CHECK(13); log_font->matrix[0] = PFR_NEXT_LONG( p ); log_font->matrix[1] = PFR_NEXT_LONG( p ); log_font->matrix[2] = PFR_NEXT_LONG( p ); log_font->matrix[3] = PFR_NEXT_LONG( p ); flags = PFR_NEXT_BYTE( p ); local = 0; if ( flags & PFR_LOG_STROKE ) { local++; if ( flags & PFR_LOG_2BYTE_STROKE ) local++; if ( (flags & PFR_LINE_JOIN_MASK) == PFR_LINE_JOIN_MITER ) local += 3; } if ( flags & PFR_LOG_BOLD ) { local++; if ( flags & PFR_LOG_2BYTE_BOLD ) local++; } PFR_CHECK( local ); if ( flags & PFR_LOG_STROKE ) { log_font->stroke_thickness = ( flags & PFR_LOG_2BYTE_STROKE ) ? PFR_NEXT_SHORT( p ) : PFR_NEXT_BYTE( p ); if ( ( flags & PFR_LINE_JOIN_MASK ) == PFR_LINE_JOIN_MITER ) log_font->miter_limit = PFR_NEXT_LONG( p ); } if ( flags & PFR_LOG_BOLD ) { log_font->bold_thickness = ( flags & PFR_LOG_2BYTE_BOLD ) ? PFR_NEXT_SHORT( p ) : PFR_NEXT_BYTE( p ); } if ( flags & PFR_LOG_EXTRA_ITEMS ) { error = pfr_extra_items_skip( &p, limit ); if (error) goto Fail; } PFR_CHECK(5); log_font->phys_size = PFR_NEXT_USHORT( p ); log_font->phys_offset = PFR_NEXT_ULONG( p ); if ( size_increment ) { PFR_CHECK( 1 ); log_font->phys_size += (FT_UInt32)PFR_NEXT_BYTE( p ) << 16; } } Fail: FT_FRAME_EXIT(); Exit: return error; Too_Short: FT_ERROR(( "pfr_log_font_load: invalid logical font table\n" )); error = PFR_Err_Invalid_Table; goto Fail; } /***********************************************************************/ /***********************************************************************/ /***** *****/ /***** PFR PHYSICAL FONTS *****/ /***** *****/ /***********************************************************************/ /***********************************************************************/ /* load bitmap strikes lists */ FT_CALLBACK_DEF( FT_Error ) pfr_extra_item_load_bitmap_info( FT_Byte* p, FT_Byte* limit, PFR_PhyFont phy_font ) { FT_Memory memory = phy_font->memory; PFR_Strike strike; FT_UInt flags0; FT_UInt n, count, size1; FT_Error error = 0; PFR_CHECK( 5 ); p += 3; /* skip bctSize */ flags0 = PFR_NEXT_BYTE( p ); count = PFR_NEXT_BYTE( p ); /* re-allocate when needed */ if ( phy_font->num_strikes + count > phy_font->max_strikes ) { FT_UInt new_max = (phy_font->num_strikes + count + 3) & -4; if ( FT_RENEW_ARRAY( phy_font->strikes, phy_font->num_strikes, new_max ) ) goto Exit; phy_font->max_strikes = new_max; } size1 = 1 + 1 + 1 + 2 + 2 + 1; if ( flags0 & PFR_STRIKE_2BYTE_XPPM ) size1++; if ( flags0 & PFR_STRIKE_2BYTE_YPPM ) size1++; if ( flags0 & PFR_STRIKE_3BYTE_SIZE ) size1++; if ( flags0 & PFR_STRIKE_3BYTE_OFFSET ) size1++; if ( flags0 & PFR_STRIKE_2BYTE_COUNT ) size1++; strike = phy_font->strikes + phy_font->num_strikes; PFR_CHECK( count * size1 ); for ( n = 0; n < count; n++, strike++ ) { strike->x_ppm = ( flags0 & PFR_STRIKE_2BYTE_XPPM ) ? PFR_NEXT_USHORT( p ) : PFR_NEXT_BYTE( p ); strike->y_ppm = ( flags0 & PFR_STRIKE_2BYTE_YPPM ) ? PFR_NEXT_USHORT( p ) : PFR_NEXT_BYTE( p ); strike->flags = PFR_NEXT_BYTE( p ); strike->bct_size = ( flags0 & PFR_STRIKE_3BYTE_SIZE ) ? PFR_NEXT_ULONG( p ) : PFR_NEXT_USHORT( p ); strike->bct_offset = ( flags0 & PFR_STRIKE_3BYTE_OFFSET ) ? PFR_NEXT_ULONG( p ) : PFR_NEXT_USHORT( p ); strike->num_bitmaps = ( flags0 & PFR_STRIKE_2BYTE_COUNT ) ? PFR_NEXT_USHORT( p ) : PFR_NEXT_BYTE( p ); } phy_font->num_strikes += count; Exit: return error; Too_Short: error = PFR_Err_Invalid_Table; FT_ERROR(( "pfr_extra_item_load_bitmap_info: invalid bitmap info table\n" )); goto Exit; } /* load font ID, i.e. name */ FT_CALLBACK_DEF( FT_Error ) pfr_extra_item_load_font_id( FT_Byte* p, FT_Byte* limit, PFR_PhyFont phy_font ) { FT_Error error = 0; FT_Memory memory = phy_font->memory; FT_UInt len = (FT_UInt)( limit - p ); if ( phy_font->font_id != NULL ) goto Exit; if ( FT_ALLOC( phy_font->font_id, len+1 ) ) goto Exit; /* copy font ID name, and terminate it for safety */ FT_MEM_COPY( phy_font->font_id, p, len ); phy_font->font_id[len] = 0; Exit: return error; } /* load stem snap tables */ FT_CALLBACK_DEF( FT_Error ) pfr_extra_item_load_stem_snaps( FT_Byte* p, FT_Byte* limit, PFR_PhyFont phy_font ) { FT_UInt count, num_vert, num_horz; FT_Int* snaps; FT_Error error = 0; FT_Memory memory = phy_font->memory; if ( phy_font->vertical.stem_snaps != NULL ) goto Exit; PFR_CHECK( 1 ); count = PFR_NEXT_BYTE( p ); num_vert = count & 15; num_horz = count >> 4; count = num_vert + num_horz; PFR_CHECK( count * 2 ); if ( FT_NEW_ARRAY( snaps, count ) ) goto Exit; phy_font->vertical.stem_snaps = snaps; phy_font->horizontal.stem_snaps = snaps + num_vert; for ( ; count > 0; count--, snaps++ ) *snaps = FT_NEXT_SHORT( p ); Exit: return error; Too_Short: error = PFR_Err_Invalid_Table; FT_ERROR(( "pfr_exta_item_load_stem_snaps: invalid stem snaps table\n" )); goto Exit;Lines 1–500 of 901. Load more
/***************************************************************************/ /* */ /* pfrload.c */ /* */ /* FreeType PFR loader (body). */ /* */ /* Copyright 2002 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 "pfrload.h" #include FT_INTERNAL_DEBUG_H #include FT_INTERNAL_STREAM_H #include "pfrerror.h" #undef FT_COMPONENT #define FT_COMPONENT trace_pfr /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** EXTRA ITEMS *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ FT_LOCAL_DEF( FT_Error ) pfr_extra_items_skip( FT_Byte* *pp, FT_Byte* limit ) { return pfr_extra_items_parse( pp, limit, NULL, NULL ); } FT_LOCAL_DEF( FT_Error ) pfr_extra_items_parse( FT_Byte* *pp, FT_Byte* limit, PFR_ExtraItem item_list, FT_Pointer item_data ) { FT_Error error = 0; FT_Byte* p = *pp; FT_UInt num_items, item_type, item_size; PFR_CHECK( 1 ); num_items = PFR_NEXT_BYTE( p ); for ( ; num_items > 0; num_items-- ) { PFR_CHECK( 2 ); item_size = PFR_NEXT_BYTE( p ); item_type = PFR_NEXT_BYTE( p ); PFR_CHECK( item_size ); if ( item_list ) { PFR_ExtraItem extra = item_list; for ( extra = item_list; extra->parser != NULL; extra++ ) { if ( extra->type == item_type ) { error = extra->parser( p, p + item_size, item_data ); if ( error ) goto Exit; break; } } } p += item_size; } Exit: *pp = p; return error; Too_Short: FT_ERROR(( "pfr_extra_items_parse: invalid extra items table\n" )); error = PFR_Err_Invalid_Table; goto Exit; } /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** PFR HEADER *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ static const FT_Frame_Field pfr_header_fields[] = { #undef FT_STRUCTURE #define FT_STRUCTURE PFR_HeaderRec FT_FRAME_START( 58 ), FT_FRAME_ULONG ( signature ), FT_FRAME_USHORT( version ), FT_FRAME_USHORT( signature2 ), FT_FRAME_USHORT( header_size ), FT_FRAME_USHORT( log_dir_size ), FT_FRAME_USHORT( log_dir_offset ), FT_FRAME_USHORT( log_font_max_size ), FT_FRAME_UOFF3 ( log_font_section_size ), FT_FRAME_UOFF3 ( log_font_section_offset ), FT_FRAME_USHORT( phy_font_max_size ), FT_FRAME_UOFF3 ( phy_font_section_size ), FT_FRAME_UOFF3 ( phy_font_section_offset ), FT_FRAME_USHORT( gps_max_size ), FT_FRAME_UOFF3 ( gps_section_size ), FT_FRAME_UOFF3 ( gps_section_offset ), FT_FRAME_BYTE ( max_blue_values ), FT_FRAME_BYTE ( max_x_orus ), FT_FRAME_BYTE ( max_y_orus ), FT_FRAME_BYTE ( phy_font_max_size_high ), FT_FRAME_BYTE ( color_flags ), FT_FRAME_UOFF3 ( bct_max_size ), FT_FRAME_UOFF3 ( bct_set_max_size ), FT_FRAME_UOFF3 ( phy_bct_set_max_size ), FT_FRAME_USHORT( num_phy_fonts ), FT_FRAME_BYTE ( max_vert_stem_snap ), FT_FRAME_BYTE ( max_horz_stem_snap ), FT_FRAME_USHORT( max_chars ), FT_FRAME_END }; FT_LOCAL_DEF( FT_Error ) pfr_header_load( PFR_Header header, FT_Stream stream ) { FT_Error error; /* read header directly */ if ( !FT_STREAM_SEEK( 0 ) && !FT_STREAM_READ_FIELDS( pfr_header_fields, header ) ) { /* make a few adjustments to the header */ header->phy_font_max_size += (FT_UInt32)header->phy_font_max_size_high << 16; } return error; } FT_LOCAL_DEF( FT_Bool ) pfr_header_check( PFR_Header header ) { FT_Bool result = 1; /* check signature and header size */ if ( header->signature != 0x50465230L || /* "PFR0" */ header->version > 4 || header->header_size < 58 || header->signature2 != 0x0d0a ) /* CR/LF */ { result = 0; } return result; } /***********************************************************************/ /***********************************************************************/ /***** *****/ /***** PFR LOGICAL FONTS *****/ /***** *****/ /***********************************************************************/ /***********************************************************************/ FT_LOCAL_DEF( FT_Error ) pfr_log_font_count( FT_Stream stream, FT_UInt32 section_offset, FT_UInt *acount ) { FT_Error error; FT_UInt count; FT_UInt result = 0; if ( FT_STREAM_SEEK( section_offset ) || FT_READ_USHORT( count ) ) goto Exit; result = count; Exit: *acount = result; return error; } FT_LOCAL_DEF( FT_Error ) pfr_log_font_load( PFR_LogFont log_font, FT_Stream stream, FT_UInt idx, FT_UInt32 section_offset, FT_Bool size_increment ) { FT_UInt num_log_fonts; FT_UInt flags; FT_UInt32 offset; FT_UInt32 size; FT_Error error; if ( FT_STREAM_SEEK( section_offset ) || FT_READ_USHORT( num_log_fonts ) ) goto Exit; if ( idx >= num_log_fonts ) return PFR_Err_Invalid_Argument; if ( FT_STREAM_SKIP( idx * 5 ) || FT_READ_USHORT( size ) || FT_READ_UOFF3 ( offset ) ) goto Exit; /* save logical font size and offset */ log_font->size = size; log_font->offset = offset; /* now, check the rest of the table before loading it */ { FT_Byte* p; FT_Byte* limit; FT_UInt local; if ( FT_STREAM_SEEK( offset ) || FT_FRAME_ENTER( size ) ) goto Exit; p = stream->cursor; limit = p + size; PFR_CHECK(13); log_font->matrix[0] = PFR_NEXT_LONG( p ); log_font->matrix[1] = PFR_NEXT_LONG( p ); log_font->matrix[2] = PFR_NEXT_LONG( p ); log_font->matrix[3] = PFR_NEXT_LONG( p ); flags = PFR_NEXT_BYTE( p ); local = 0; if ( flags & PFR_LOG_STROKE ) { local++; if ( flags & PFR_LOG_2BYTE_STROKE ) local++; if ( (flags & PFR_LINE_JOIN_MASK) == PFR_LINE_JOIN_MITER ) local += 3; } if ( flags & PFR_LOG_BOLD ) { local++; if ( flags & PFR_LOG_2BYTE_BOLD ) local++; } PFR_CHECK( local ); if ( flags & PFR_LOG_STROKE ) { log_font->stroke_thickness = ( flags & PFR_LOG_2BYTE_STROKE ) ? PFR_NEXT_SHORT( p ) : PFR_NEXT_BYTE( p ); if ( ( flags & PFR_LINE_JOIN_MASK ) == PFR_LINE_JOIN_MITER ) log_font->miter_limit = PFR_NEXT_LONG( p ); } if ( flags & PFR_LOG_BOLD ) { log_font->bold_thickness = ( flags & PFR_LOG_2BYTE_BOLD ) ? PFR_NEXT_SHORT( p ) : PFR_NEXT_BYTE( p ); } if ( flags & PFR_LOG_EXTRA_ITEMS ) { error = pfr_extra_items_skip( &p, limit ); if (error) goto Fail; } PFR_CHECK(5); log_font->phys_size = PFR_NEXT_USHORT( p ); log_font->phys_offset = PFR_NEXT_ULONG( p ); if ( size_increment ) { PFR_CHECK( 1 ); log_font->phys_size += (FT_UInt32)PFR_NEXT_BYTE( p ) << 16; } } Fail: FT_FRAME_EXIT(); Exit: return error; Too_Short: FT_ERROR(( "pfr_log_font_load: invalid logical font table\n" )); error = PFR_Err_Invalid_Table; goto Fail; } /***********************************************************************/ /***********************************************************************/ /***** *****/ /***** PFR PHYSICAL FONTS *****/ /***** *****/ /***********************************************************************/ /***********************************************************************/ /* load bitmap strikes lists */ FT_CALLBACK_DEF( FT_Error ) pfr_extra_item_load_bitmap_info( FT_Byte* p, FT_Byte* limit, PFR_PhyFont phy_font ) { FT_Memory memory = phy_font->memory; PFR_Strike strike; FT_UInt flags0; FT_UInt n, count, size1; FT_Error error = 0; PFR_CHECK( 5 ); p += 3; /* skip bctSize */ flags0 = PFR_NEXT_BYTE( p ); count = PFR_NEXT_BYTE( p ); /* re-allocate when needed */ if ( phy_font->num_strikes + count > phy_font->max_strikes ) { FT_UInt new_max = (phy_font->num_strikes + count + 3) & -4; if ( FT_RENEW_ARRAY( phy_font->strikes, phy_font->num_strikes, new_max ) ) goto Exit; phy_font->max_strikes = new_max; } size1 = 1 + 1 + 1 + 2 + 2 + 1; if ( flags0 & PFR_STRIKE_2BYTE_XPPM ) size1++; if ( flags0 & PFR_STRIKE_2BYTE_YPPM ) size1++; if ( flags0 & PFR_STRIKE_3BYTE_SIZE ) size1++; if ( flags0 & PFR_STRIKE_3BYTE_OFFSET ) size1++; if ( flags0 & PFR_STRIKE_2BYTE_COUNT ) size1++; strike = phy_font->strikes + phy_font->num_strikes; PFR_CHECK( count * size1 ); for ( n = 0; n < count; n++, strike++ ) { strike->x_ppm = ( flags0 & PFR_STRIKE_2BYTE_XPPM ) ? PFR_NEXT_USHORT( p ) : PFR_NEXT_BYTE( p ); strike->y_ppm = ( flags0 & PFR_STRIKE_2BYTE_YPPM ) ? PFR_NEXT_USHORT( p ) : PFR_NEXT_BYTE( p ); strike->flags = PFR_NEXT_BYTE( p ); strike->bct_size = ( flags0 & PFR_STRIKE_3BYTE_SIZE ) ? PFR_NEXT_ULONG( p ) : PFR_NEXT_USHORT( p ); strike->bct_offset = ( flags0 & PFR_STRIKE_3BYTE_OFFSET ) ? PFR_NEXT_ULONG( p ) : PFR_NEXT_USHORT( p ); strike->num_bitmaps = ( flags0 & PFR_STRIKE_2BYTE_COUNT ) ? PFR_NEXT_USHORT( p ) : PFR_NEXT_BYTE( p ); } phy_font->num_strikes += count; Exit: return error; Too_Short: error = PFR_Err_Invalid_Table; FT_ERROR(( "pfr_extra_item_load_bitmap_info: invalid bitmap info table\n" )); goto Exit; } /* load font ID, i.e. name */ FT_CALLBACK_DEF( FT_Error ) pfr_extra_item_load_font_id( FT_Byte* p, FT_Byte* limit, PFR_PhyFont phy_font ) { FT_Error error = 0; FT_Memory memory = phy_font->memory; FT_UInt len = (FT_UInt)( limit - p ); if ( phy_font->font_id != NULL ) goto Exit; if ( FT_ALLOC( phy_font->font_id, len+1 ) ) goto Exit; /* copy font ID name, and terminate it for safety */ FT_MEM_COPY( phy_font->font_id, p, len ); phy_font->font_id[len] = 0; Exit: return error; } /* load stem snap tables */ FT_CALLBACK_DEF( FT_Error ) pfr_extra_item_load_stem_snaps( FT_Byte* p, FT_Byte* limit, PFR_PhyFont phy_font ) { FT_UInt count, num_vert, num_horz; FT_Int* snaps; FT_Error error = 0; FT_Memory memory = phy_font->memory; if ( phy_font->vertical.stem_snaps != NULL ) goto Exit; PFR_CHECK( 1 ); count = PFR_NEXT_BYTE( p ); num_vert = count & 15; num_horz = count >> 4; count = num_vert + num_horz; PFR_CHECK( count * 2 ); if ( FT_NEW_ARRAY( snaps, count ) ) goto Exit; phy_font->vertical.stem_snaps = snaps; phy_font->horizontal.stem_snaps = snaps + num_vert; for ( ; count > 0; count--, snaps++ ) *snaps = FT_NEXT_SHORT( p ); Exit: return error; Too_Short: error = PFR_Err_Invalid_Table; FT_ERROR(( "pfr_exta_item_load_stem_snaps: invalid stem snaps table\n" )); goto Exit;