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freetype2
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[gxvalid] make the `prop' validation tracing verbose. 

* src/gxvalid/gxvprop.c: Add tracing messages for errors.
This commit is contained in:
suzuki toshiya 2011-06-19 23:00:11 +09:00
parent c63c6f7265
commit c7e8028f3f
2 changed files with 35 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2011-06-19 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
[gxvalid] make the `prop' validation tracing verbose.
* src/gxvalid/gxvprop.c: Add tracing messages for errors.
2011-06-19 suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
[autogen.sh] Reflect environment variable LIBTOOLIZE.

30
src/gxvalid/gxvprop.c
View File

@ -96,7 +96,10 @@
if ( glyph->advance.x != (FT_Pos)0 ||
glyph->advance.y != (FT_Pos)0 )
{
GXV_TRACE(( " found non-zero advance in zero-advance glyph\n" ));
FT_INVALID_DATA;
}
GXV_EXIT;
}
@ -119,7 +122,10 @@
offset = (FT_UShort)( property & GXV_PROP_COMPLEMENTARY_BRACKET_OFFSET );
if ( offset == 0 )
FT_INVALID_DATA;
{
GXV_TRACE(( " found zero offset to property\n" ));
FT_INVALID_OFFSET;
}
complement = (char)( offset >> 8 );
if ( complement & 0x08 )
@ -131,7 +137,10 @@
/* The gid for complement must be greater than 0 */
if ( glyph <= complement )
{
GXV_TRACE(( " found non-positive glyph complement\n" ));
FT_INVALID_DATA;
}
}
else
{
@ -150,18 +159,27 @@
if ( property & GXV_PROP_ATTACHING_TO_RIGHT )
{
if ( GXV_PROP_DATA( version ) == 0x00010000UL )
{
GXV_TRACE(( " found older version (1.0) in new version table\n" ));
FT_INVALID_DATA;
}
}
if ( property & GXV_PROP_RESERVED )
{
GXV_TRACE(( " found non-zero bits in reserved bits\n" ));
FT_INVALID_DATA;
}
if ( ( property & GXV_PROP_DIRECTIONALITY_CLASS ) > 11 )
{
/* TODO: Too restricted. Use the validation level. */
if ( GXV_PROP_DATA( version ) == 0x00010000UL ||
GXV_PROP_DATA( version ) == 0x00020000UL )
{
GXV_TRACE(( " found too old version in directionality class\n" ));
FT_INVALID_DATA;
}
}
}
@ -264,16 +282,26 @@
format = FT_NEXT_USHORT( p );
defaultProp = FT_NEXT_USHORT( p );
GXV_TRACE(( " version 0x%08x\n", version ));
GXV_TRACE(( " format 0x%04x\n", format ));
GXV_TRACE(( " defaultProp 0x%04x\n", defaultProp ));
/* only versions 1.0, 2.0, 3.0 are defined (1996) */
if ( version != 0x00010000UL &&
version != 0x00020000UL &&
version != 0x00030000UL )
{
GXV_TRACE(( " found unknown version\n" ));
FT_INVALID_FORMAT;
}
/* only formats 0x0000, 0x0001 are defined (1996) */
if ( format > 1 )
{
GXV_TRACE(( " found unknown format\n" ));
FT_INVALID_FORMAT;
}
gxv_prop_property_validate( defaultProp, 0, valid );