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Applied a patch from Hidetoshi for embedded bitmap metrics support.

This commit is contained in:
Werner Lemberg 2000-09-22 03:37:45 +00:00
parent 1a2908bbc0
commit 50dd5858a7
1 changed files with 46 additions and 4 deletions
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50
src/truetype/ttobjs.c
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@ -575,14 +575,56 @@
}
/* Compute root ascender, descender, test height, and max_advance */
metrics->ascender = ( FT_MulFix( face->root.ascender,
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
if ( ( !( face->root.face_flags & FT_FACE_FLAG_SCALABLE ) &&
( face->root.face_flags & FT_FACE_FLAG_FIXED_SIZES ) ) )
{
FT_Int i;
for ( i = 0; i < face->root.num_fixed_sizes; i++ )
{
if ( ( face->sbit_strikes[i].x_ppem == metrics->x_ppem ) &&
( face->sbit_strikes[i].y_ppem == metrics->y_ppem ) )
{
/*
* XXX: We now set horizontal metrics,
* but this is not valid if we use vertical layout style
*/
metrics->ascender =
face->sbit_strikes[i].hori.ascender * 64;
metrics->descender =
face->sbit_strikes[i].hori.descender * 64;
metrics->height =
( face->sbit_strikes[i].hori.ascender -
face->sbit_strikes[i].hori.descender ) * 64;
/* XXX: Is this correct? */
metrics->max_advance =
( face->sbit_strikes[i].hori.min_origin_SB +
face->sbit_strikes[i].hori.max_width +
face->sbit_strikes[i].hori.min_advance_SB ) * 64;
break;
}
}
if ( i == face->root.num_fixed_sizes )
return TT_Err_Invalid_PPem;
}
else
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
{
metrics->ascender = ( FT_MulFix( face->root.ascender,
metrics->y_scale ) + 32 ) & -64;
metrics->descender = ( FT_MulFix( face->root.descender,
metrics->descender = ( FT_MulFix( face->root.descender,
metrics->y_scale ) + 32 ) & -64;
metrics->height = ( FT_MulFix( face->root.height,
metrics->height = ( FT_MulFix( face->root.height,
metrics->y_scale ) + 32 ) & -64;
metrics->max_advance = ( FT_MulFix( face->root.max_advance_width,
metrics->max_advance = ( FT_MulFix( face->root.max_advance_width,
metrics->x_scale ) + 32 ) & -64;
}
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER