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[gf] Define FT driver variables with gftype values.

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* src/gf/gfdrivr.c : Define the FT driver variables
in all the functions with gftype values from the font file.
GSoC-2018-parth
Parth Wazurkar 7 years ago
parent 522853e565
commit c80039d715
1 changed files with 48 additions and 79 deletions
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  1. 127
      src/gf/gfdrivr.c

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

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