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@ -4,7 +4,7 @@ |
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/* */ |
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/* FreeType PFR object methods (body). */ |
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/* */ |
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/* Copyright 2002, 2003 by */ |
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/* Copyright 2002, 2003, 2004 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used, */ |
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@ -39,30 +39,32 @@ |
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/*************************************************************************/ |
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FT_LOCAL_DEF( void ) |
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pfr_face_done( PFR_Face face ) |
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pfr_face_done( FT_Face pfrface ) /* PFR_Face */ |
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{ |
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FT_Memory memory = face->root.driver->root.memory; |
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PFR_Face face = (PFR_Face)pfrface; |
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FT_Memory memory = pfrface->driver->root.memory; |
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/* we don't want dangling pointers */ |
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face->root.family_name = NULL; |
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face->root.style_name = NULL; |
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pfrface->family_name = NULL; |
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pfrface->style_name = NULL; |
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/* finalize the physical font record */ |
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pfr_phy_font_done( &face->phy_font, FT_FACE_MEMORY( face ) ); |
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/* no need to finalize the logical font or the header */ |
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FT_FREE( face->root.available_sizes ); |
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FT_FREE( pfrface->available_sizes ); |
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} |
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FT_LOCAL_DEF( FT_Error ) |
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pfr_face_init( FT_Stream stream, |
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PFR_Face face, |
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FT_Face pfrface, |
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FT_Int face_index, |
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FT_Int num_params, |
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FT_Parameter* params ) |
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{ |
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PFR_Face face = (PFR_Face)pfrface; |
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FT_Error error; |
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FT_UNUSED( num_params ); |
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@ -92,13 +94,13 @@ |
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if ( error ) |
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goto Exit; |
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face->root.num_faces = num_faces; |
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pfrface->num_faces = num_faces; |
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} |
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if ( face_index < 0 ) |
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goto Exit; |
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if ( face_index >= face->root.num_faces ) |
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if ( face_index >= pfrface->num_faces ) |
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{ |
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FT_ERROR(( "pfr_face_init: invalid face index\n" )); |
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error = PFR_Err_Invalid_Argument; |
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@ -122,75 +124,74 @@ |
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/* now, set-up all root face fields */ |
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{ |
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FT_Face root = FT_FACE( face ); |
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PFR_PhyFont phy_font = &face->phy_font; |
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root->face_index = face_index; |
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root->num_glyphs = phy_font->num_chars; |
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root->face_flags = FT_FACE_FLAG_SCALABLE; |
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pfrface->face_index = face_index; |
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pfrface->num_glyphs = phy_font->num_chars; |
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pfrface->face_flags = FT_FACE_FLAG_SCALABLE; |
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if ( (phy_font->flags & PFR_PHY_PROPORTIONAL) == 0 ) |
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root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; |
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pfrface->face_flags |= FT_FACE_FLAG_FIXED_WIDTH; |
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if ( phy_font->flags & PFR_PHY_VERTICAL ) |
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root->face_flags |= FT_FACE_FLAG_VERTICAL; |
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pfrface->face_flags |= FT_FACE_FLAG_VERTICAL; |
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else |
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root->face_flags |= FT_FACE_FLAG_HORIZONTAL; |
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pfrface->face_flags |= FT_FACE_FLAG_HORIZONTAL; |
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if ( phy_font->num_strikes > 0 ) |
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root->face_flags |= FT_FACE_FLAG_FIXED_SIZES; |
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pfrface->face_flags |= FT_FACE_FLAG_FIXED_SIZES; |
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if ( phy_font->num_kern_pairs > 0 ) |
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root->face_flags |= FT_FACE_FLAG_KERNING; |
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pfrface->face_flags |= FT_FACE_FLAG_KERNING; |
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/* If no family name was found in the "undocumented" auxiliary
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* data, use the font ID instead. This sucks but is better than |
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* nothing. |
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*/ |
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root->family_name = phy_font->family_name; |
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if ( root->family_name == NULL ) |
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root->family_name = phy_font->font_id; |
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pfrface->family_name = phy_font->family_name; |
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if ( pfrface->family_name == NULL ) |
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pfrface->family_name = phy_font->font_id; |
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/* note that the style name can be NULL in certain PFR fonts,
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* probably meaning "Regular" |
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*/ |
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root->style_name = phy_font->style_name; |
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pfrface->style_name = phy_font->style_name; |
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root->num_fixed_sizes = 0; |
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root->available_sizes = 0; |
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pfrface->num_fixed_sizes = 0; |
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pfrface->available_sizes = 0; |
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root->bbox = phy_font->bbox; |
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root->units_per_EM = (FT_UShort)phy_font->outline_resolution; |
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root->ascender = (FT_Short) phy_font->bbox.yMax; |
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root->descender = (FT_Short) phy_font->bbox.yMin; |
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root->height = (FT_Short)( |
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( ( root->ascender - root->descender ) * 12 ) / 10 ); |
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pfrface->bbox = phy_font->bbox; |
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pfrface->units_per_EM = (FT_UShort)phy_font->outline_resolution; |
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pfrface->ascender = (FT_Short) phy_font->bbox.yMax; |
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pfrface->descender = (FT_Short) phy_font->bbox.yMin; |
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pfrface->height = (FT_Short)( |
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( ( pfrface->ascender - pfrface->descender ) * 12 ) / 10 ); |
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if ( phy_font->num_strikes > 0 ) |
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{ |
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FT_UInt n, count = phy_font->num_strikes; |
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FT_Bitmap_Size* size; |
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PFR_Strike strike; |
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FT_Memory memory = root->stream->memory; |
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FT_Memory memory = pfrface->stream->memory; |
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if ( FT_NEW_ARRAY( root->available_sizes, count ) ) |
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if ( FT_NEW_ARRAY( pfrface->available_sizes, count ) ) |
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goto Exit; |
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size = root->available_sizes; |
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size = pfrface->available_sizes; |
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strike = phy_font->strikes; |
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for ( n = 0; n < count; n++, size++, strike++ ) |
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{ |
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size->height = (FT_UShort)strike->y_ppm; |
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size->width = (FT_UShort)strike->x_ppm; |
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} |
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root->num_fixed_sizes = count; |
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pfrface->num_fixed_sizes = count; |
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} |
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/* now compute maximum advance width */ |
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if ( ( phy_font->flags & PFR_PHY_PROPORTIONAL ) == 0 ) |
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root->max_advance_width = (FT_Short)phy_font->standard_advance; |
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pfrface->max_advance_width = (FT_Short)phy_font->standard_advance; |
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else |
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{ |
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FT_Int max = 0; |
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@ -204,20 +205,20 @@ |
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max = gchar->advance; |
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} |
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root->max_advance_width = (FT_Short)max; |
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pfrface->max_advance_width = (FT_Short)max; |
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} |
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root->max_advance_height = root->height; |
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pfrface->max_advance_height = pfrface->height; |
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root->underline_position = (FT_Short)( - root->units_per_EM / 10 ); |
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root->underline_thickness = (FT_Short)( root->units_per_EM / 30 ); |
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pfrface->underline_position = (FT_Short)( -pfrface->units_per_EM / 10 ); |
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pfrface->underline_thickness = (FT_Short)( pfrface->units_per_EM / 30 ); |
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/* create charmap */ |
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{ |
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FT_CharMapRec charmap; |
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charmap.face = root; |
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charmap.face = pfrface; |
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charmap.platform_id = 3; |
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charmap.encoding_id = 1; |
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charmap.encoding = FT_ENCODING_UNICODE; |
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@ -226,14 +227,14 @@ |
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#if 0 |
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/* Select default charmap */ |
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if (root->num_charmaps) |
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root->charmap = root->charmaps[0]; |
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if ( pfrface->num_charmaps ) |
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pfrface->charmap = pfrface->charmaps[0]; |
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#endif |
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} |
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/* check whether we've loaded any kerning pairs */ |
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if ( phy_font->num_kern_pairs ) |
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root->face_flags |= FT_FACE_FLAG_KERNING; |
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pfrface->face_flags |= FT_FACE_FLAG_KERNING; |
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} |
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Exit: |
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@ -250,9 +251,11 @@ |
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/*************************************************************************/ |
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FT_LOCAL_DEF( FT_Error ) |
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pfr_slot_init( PFR_Slot slot ) |
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pfr_slot_init( FT_GlyphSlot pfrslot ) /* PFR_Slot */ |
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{ |
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FT_GlyphLoader loader = slot->root.internal->loader; |
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PFR_Slot slot = (PFR_Slot)pfrslot; |
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FT_GlyphLoader loader = pfrslot->internal->loader; |
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pfr_glyph_init( &slot->glyph, loader ); |
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@ -261,22 +264,27 @@ |
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FT_LOCAL_DEF( void ) |
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pfr_slot_done( PFR_Slot slot ) |
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pfr_slot_done( FT_GlyphSlot pfrslot ) /* PFR_Slot */ |
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{ |
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PFR_Slot slot = (PFR_Slot)pfrslot; |
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pfr_glyph_done( &slot->glyph ); |
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} |
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FT_LOCAL_DEF( FT_Error ) |
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pfr_slot_load( PFR_Slot slot, |
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PFR_Size size, |
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FT_UInt gindex, |
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FT_Int32 load_flags ) |
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pfr_slot_load( FT_GlyphSlot pfrslot, /* PFR_Slot */ |
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FT_Size pfrsize, /* PFR_Size */ |
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FT_UInt gindex, |
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FT_Int32 load_flags ) |
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{ |
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PFR_Slot slot = (PFR_Slot)pfrslot; |
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PFR_Size size = (PFR_Size)pfrsize; |
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FT_Error error; |
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PFR_Face face = (PFR_Face)slot->root.face; |
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PFR_Face face = (PFR_Face)pfrslot->face; |
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PFR_Char gchar; |
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FT_Outline* outline = &slot->root.outline; |
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FT_Outline* outline = &pfrslot->outline; |
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FT_ULong gps_offset; |
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@ -301,7 +309,7 @@ |
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} |
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gchar = face->phy_font.chars + gindex; |
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slot->root.format = FT_GLYPH_FORMAT_OUTLINE; |
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pfrslot->format = FT_GLYPH_FORMAT_OUTLINE; |
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outline->n_points = 0; |
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outline->n_contours = 0; |
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gps_offset = face->header.gps_section_offset; |
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@ -313,7 +321,7 @@ |
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if ( !error ) |
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{ |
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FT_BBox cbox; |
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FT_Glyph_Metrics* metrics = &slot->root.metrics; |
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FT_Glyph_Metrics* metrics = &pfrslot->metrics; |
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FT_Pos advance; |
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FT_Int em_metrics, em_outline; |
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FT_Bool scaling; |
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@ -327,7 +335,7 @@ |
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outline->flags &= ~FT_OUTLINE_OWNER; |
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outline->flags |= FT_OUTLINE_REVERSE_FILL; |
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if ( size && size->root.metrics.y_ppem < 24 ) |
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if ( size && pfrsize->metrics.y_ppem < 24 ) |
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outline->flags |= FT_OUTLINE_HIGH_PRECISION; |
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/* compute the advance vector */ |
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@ -346,8 +354,8 @@ |
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else |
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metrics->horiAdvance = advance; |
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slot->root.linearHoriAdvance = metrics->horiAdvance; |
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slot->root.linearVertAdvance = metrics->vertAdvance; |
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pfrslot->linearHoriAdvance = metrics->horiAdvance; |
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pfrslot->linearVertAdvance = metrics->vertAdvance; |
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/* make-up vertical metrics(?) */ |
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metrics->vertBearingX = 0; |
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@ -372,8 +380,8 @@ |
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if ( scaling ) |
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{ |
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FT_Int n; |
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FT_Fixed x_scale = size->root.metrics.x_scale; |
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FT_Fixed y_scale = size->root.metrics.y_scale; |
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FT_Fixed x_scale = pfrsize->metrics.x_scale; |
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FT_Fixed y_scale = pfrsize->metrics.y_scale; |
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FT_Vector* vec = outline->points; |
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@ -411,20 +419,19 @@ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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FT_LOCAL_DEF( void ) |
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pfr_face_get_kerning( PFR_Face face, |
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FT_LOCAL_DEF( FT_Error ) |
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pfr_face_get_kerning( FT_Face pfrface, /* PFR_Face */ |
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FT_UInt glyph1, |
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FT_UInt glyph2, |
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FT_Vector* kerning ) |
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{ |
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PFR_Face face = (PFR_Face)pfrface; |
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FT_Error error = PFR_Err_Ok; |
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PFR_PhyFont phy_font = &face->phy_font; |
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PFR_KernPair pairs = phy_font->kern_pairs; |
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FT_UInt32 idx = PFR_KERN_INDEX( glyph1, glyph2 ); |
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FT_UInt min, max; |
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FT_UNUSED( error ); /* just needed as syntactical sugar */ |
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kerning->x = 0; |
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kerning->y = 0; |
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@ -450,6 +457,8 @@ |
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else |
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max = mid; |
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} |
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return error; |
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} |
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Werner Lemberg
21 years ago