diff options
Diffstat (limited to 'src/3rdparty/freetype/src/pfr/pfrobjs.c')
| -rw-r--r-- | src/3rdparty/freetype/src/pfr/pfrobjs.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/src/3rdparty/freetype/src/pfr/pfrobjs.c b/src/3rdparty/freetype/src/pfr/pfrobjs.c index 918e7fd496..8ef17c6636 100644 --- a/src/3rdparty/freetype/src/pfr/pfrobjs.c +++ b/src/3rdparty/freetype/src/pfr/pfrobjs.c @@ -4,7 +4,7 @@ * * FreeType PFR object methods (body). * - * Copyright (C) 2002-2020 by + * Copyright (C) 2002-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -50,14 +50,14 @@ if ( !face ) return; - memory = pfrface->driver->root.memory; + memory = pfrface->memory; /* we don't want dangling pointers */ pfrface->family_name = NULL; pfrface->style_name = NULL; /* finalize the physical font record */ - pfr_phy_font_done( &face->phy_font, FT_FACE_MEMORY( face ) ); + pfr_phy_font_done( &face->phy_font, memory ); /* no need to finalize the logical font or the header */ FT_FREE( pfrface->available_sizes ); @@ -83,7 +83,11 @@ /* load the header and check it */ error = pfr_header_load( &face->header, stream ); if ( error ) + { + FT_TRACE2(( " not a PFR font\n" )); + error = FT_THROW( Unknown_File_Format ); goto Exit; + } if ( !pfr_header_check( &face->header ) ) { @@ -126,14 +130,14 @@ if ( error ) goto Exit; - /* now load the physical font descriptor */ + /* load the physical font descriptor */ error = pfr_phy_font_load( &face->phy_font, stream, face->log_font.phys_offset, face->log_font.phys_size ); if ( error ) goto Exit; - /* now set up all root face fields */ + /* set up all root face fields */ { PFR_PhyFont phy_font = &face->phy_font; @@ -156,7 +160,7 @@ if ( nn == phy_font->num_chars ) { if ( phy_font->num_strikes > 0 ) - pfrface->face_flags = 0; /* not scalable */ + pfrface->face_flags &= ~FT_FACE_FLAG_SCALABLE; else { FT_ERROR(( "pfr_face_init: font doesn't contain glyphs\n" )); @@ -166,7 +170,7 @@ } } - if ( ( phy_font->flags & PFR_PHY_PROPORTIONAL ) == 0 ) + if ( !( phy_font->flags & PFR_PHY_PROPORTIONAL ) ) pfrface->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; if ( phy_font->flags & PFR_PHY_VERTICAL ) @@ -203,17 +207,17 @@ pfrface->height = (FT_Short)( ( pfrface->units_per_EM * 12 ) / 10 ); if ( pfrface->height < pfrface->ascender - pfrface->descender ) - pfrface->height = (FT_Short)(pfrface->ascender - pfrface->descender); + pfrface->height = (FT_Short)( pfrface->ascender - pfrface->descender ); if ( phy_font->num_strikes > 0 ) { FT_UInt n, count = phy_font->num_strikes; FT_Bitmap_Size* size; PFR_Strike strike; - FT_Memory memory = pfrface->stream->memory; + FT_Memory memory = pfrface->memory; - if ( FT_NEW_ARRAY( pfrface->available_sizes, count ) ) + if ( FT_QNEW_ARRAY( pfrface->available_sizes, count ) ) goto Exit; size = pfrface->available_sizes; @@ -334,7 +338,7 @@ } /* try to load an embedded bitmap */ - if ( ( load_flags & ( FT_LOAD_NO_SCALE | FT_LOAD_NO_BITMAP ) ) == 0 ) + if ( !( load_flags & ( FT_LOAD_NO_SCALE | FT_LOAD_NO_BITMAP ) ) ) { error = pfr_slot_load_bitmap( slot, @@ -482,17 +486,16 @@ kerning->x = 0; kerning->y = 0; - if ( glyph1 > 0 ) - glyph1--; - - if ( glyph2 > 0 ) - glyph2--; + /* PFR indexing skips .notdef, which becomes UINT_MAX */ + glyph1--; + glyph2--; - /* convert glyph indices to character codes */ - if ( glyph1 > phy_font->num_chars || - glyph2 > phy_font->num_chars ) + /* check the array bounds, .notdef is automatically out */ + if ( glyph1 >= phy_font->num_chars || + glyph2 >= phy_font->num_chars ) goto Exit; + /* convert glyph indices to character codes */ code1 = phy_font->chars[glyph1].char_code; code2 = phy_font->chars[glyph2].char_code; pair = PFR_KERN_INDEX( code1, code2 ); |