forked from minhngoc25a/freetype2
[gf] Define FT driver variables with gftype values.
* src/gf/gfdrivr.c : Define the FT driver variables in all the functions with gftype values from the font file.
This commit is contained in:
Parth Wazurkar
parent
522853e565
commit
c80039d715
127
src/gf/gfdrivr.c
127
src/gf/gfdrivr.c
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@ -140,8 +140,6 @@
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memory = FT_FACE_MEMORY( face );
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gf_free_font( face->gf_glyph );
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FT_FREE( /* */ );
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}
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@ -152,63 +150,48 @@
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FT_Int num_params,
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FT_Parameter* params )
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{
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GF_Face face = (GF_Face)gfface;
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FT_Error error;
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FT_Memory memory = FT_FACE_MEMORY( face );
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GF_Face face = (GF_Face)gfface;
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FT_Error error;
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FT_Memory memory = FT_FACE_MEMORY( face );
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GF_Glyph go;
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face->gf_glyph = &go ;
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FT_UNUSED( num_params );
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FT_UNUSED( params );
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FT_TRACE2(( "GF driver\n" ));
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/* load font */
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error = gf_load_font( stream, face );
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if ( !error )
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error = gf_load_font( stream, memory, &go );
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if ( error )
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goto Exit;
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if ( FT_ERR_EQ( error, Unknown_File_Format ) )
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{
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goto Exit
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}
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/* sanity check */
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if ( !face-> /* */ )
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{
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FT_TRACE2(( "/* */" ));
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error = FT_THROW( Invalid_File_Format );
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goto Fail;
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}
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/* we now need to fill the root FT_Face fields */
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/* with relevant information */
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{
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FT_Face root = FT_FACE( face );
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GF_Face font = face->font;
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gfface->num_faces = 1;
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gfface->face_index = 0;
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gfface->face_flags | = FT_FACE_FLAG_FIXED_SIZES | FT_FACE_FLAG_HORIZONTAL ;
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gfface->family_name = NULL;
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gfface->num_glyphs = (FT_Long)(go->code_max - go->code_min + 1 );
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gfface->num_fixed_sizes = 1;
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root->face_index = /* */ ;
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root->face_flags |= /* */ ;
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/* set up the `fixed_sizes' array */
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if ( FT_NEW_ARRAY( root->available_sizes, 1 ) )
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goto Fail;
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root->num_fixed_sizes = 1;
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if ( FT_NEW_ARRAY( gfface->available_sizes, 1 ) )
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goto Exit;
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{
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FT_Bitmap_Size* bsize = root->available_sizes;
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FT_Bitmap_Size* bsize = gfface->available_sizes;
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FT_UShort x_res, y_res;
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bsize->width = (FT_Short) /* */ ;
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bsize->height = (FT_Short) /* */ ;
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bsize->size = /* */ ;
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bsize->width = (FT_Short) face->gf_glyph->font_bbx_w ;
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bsize->height = (FT_Short) face->gf_glyph->font_bbx_h ;
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bsize->size = (FT_Short) face->gf_glyph->ds ; /* Preliminary to be checked for 26.6 fractional points*/
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x_res = /* */ ;
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y_res = /* */ ;
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/*x_res = ; To be Checked for x_resolution and y_resolution
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y_res = ;*/
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bsize->y_ppem = /* */ ;
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bsize->x_ppem = /* */ ;
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bsize->y_ppem = face->gf_glyph->font_bbx_yoff ;
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bsize->x_ppem = face->gf_glyph->font_bbx_xoff ;
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}
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/* Charmaps */
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@ -219,35 +202,16 @@
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charmap.encoding = FT_ENCODING_NONE;
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/* initial platform/encoding should indicate unset status? */
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charmap.platform_id = TT_PLATFORM_APPLE_UNICODE;
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charmap.platform_id = TT_PLATFORM_APPLE_UNICODE; /*Preliminary */
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charmap.encoding_id = TT_APPLE_ID_DEFAULT;
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charmap.face = root;
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error = FT_CMap_New( gf_cmap_class, NULL, &charmap, NULL );
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error = FT_CMap_New( &gf_cmap_class, NULL, &charmap, NULL );
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if ( error )
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goto Fail;
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}
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/* reserve one slot for the .notdef glyph at index 0 */
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root->num_glyphs = /* */ ;
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root->family_name = /* */;
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root->style_name = /* */;
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if ( root->style_flags & FT_STYLE_FLAG_BOLD )
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{
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if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
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root->style_name = (char *)"Bold Italic";
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else
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root->style_name = (char *)"Bold";
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}
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else if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
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root->style_name = (char *)"Italic";
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}
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goto Exit;
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Fail:
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GF_Face_Done( gfface );
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@ -266,9 +230,9 @@
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FT_Select_Metrics( size->face, 0 );
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size->metrics.ascender = /* */ ;
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size->metrics.descender = /* */ ;
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size->metrics.max_advance = /* */ ;
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size->metrics.ascender = face->gf_glyph->font_bbx_xoff * 64;
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size->metrics.descender = face->gf_glyph->font_bbx_yoff * 64;
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size->metrics.max_advance = face->gf_glyph->font_bbx_w * 64;
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return FT_Err_Ok;
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@ -295,7 +259,7 @@
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break;
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case FT_SIZE_REQUEST_TYPE_REAL_DIM:
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if ( height == /* */ )
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if ( height == face->gf_glyph->font_bbx_h ) /* Preliminary */
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error = FT_Err_Ok;
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break;
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@ -341,33 +305,38 @@
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FT_TRACE1(( "GF_Glyph_Load: glyph index %d\n", glyph_index ));
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#if 0
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if ( glyph_index > 0 )
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glyph_index--; /* revert to real index */
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glyph_index--;
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else
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glyph_index = /* */; /* the `.notdef' glyph */
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glyph_index = /* */;
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#endif
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if ( glyph_index < 0 )
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glyph_index = 0;
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/* slot, bitmap => freetype, glyph => gflib */
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glyph = gf->gf_glyph->bm_table[glyph_index];
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bitmap->rows = /* */ ;
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bitmap->width = /* */ ;
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bitmap->pitch = /* */ ; /* (In BDF) same as FT_Bitmap.pitch */
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bitmap->rows = bm.mv_y ; /* Prelimiary */
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bitmap->width = bm.mv_x ; /* Prelimiary */
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/* bitmap->pitch = ; */
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/* note: we don't allocate a new array to hold the bitmap; */
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/* we can simply point to it */
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ft_glyphslot_set_bitmap( slot, glyph.bitmap );
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ft_glyphslot_set_bitmap( slot, bm.bitmap );
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slot->format = FT_GLYPH_FORMAT_BITMAP;
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slot->bitmap_left = glyph.bbx.x_offset;
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slot->bitmap_top = glyph.bbx.ascent;
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slot->bitmap_left = bm.off_x ; /* Prelimiary */
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slot->bitmap_top = bm.off_y ; /* Prelimiary */
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slot->metrics.horiAdvance = (FT_Pos) /* */ ;
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slot->metrics.horiBearingX = (FT_Pos) /* */ ;
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slot->metrics.horiBearingY = (FT_Pos) /* */ ;
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slot->metrics.width = (FT_Pos) /* */ ;
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slot->metrics.height = (FT_Pos) /* */ ;
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slot->metrics.horiAdvance = (FT_Pos) bm.bbx_width - bm.off_x ; /* Prelimiary */
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slot->metrics.horiBearingX = (FT_Pos) bm.off_x ; /* Prelimiary */
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slot->metrics.horiBearingY = (FT_Pos) bm.off_y ; /* Prelimiary */
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slot->metrics.width = (FT_Pos) ( bitmap->width * 64 ) ; /* Prelimiary */
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slot->metrics.height = (FT_Pos) ( bitmap->rows * 64 ) ; /* Prelimiary */
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ft_synthesize_vertical_metrics( &slot->metrics, /* */ );
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ft_synthesize_vertical_metrics( &slot->metrics, bm.bbx_height * 64 );
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Exit:
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return error;
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