bool Validate_indexSubTable_format2(Validator v, indexSubTable2 ist2, indexSubTableArray ista, string sID, OTFontVal fontOwner)
{
bool bOk = true;
Table_EBDT EBDTTable = (Table_EBDT)fontOwner.GetTable("EBDT");
// header has already been validated
// validate the image size
uint nGlyphsInRange = (uint)ista.lastGlyphIndex - ista.firstGlyphIndex + 1;
if (nGlyphsInRange * ist2.imageSize > EBDTTable.GetLength())
{
string sDetails = "images extend past end of EBDT table: " + sID + ", imageSize = " + ist2.imageSize
+ ", EBDT length = " + EBDTTable.GetLength();
v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails);
bOk = false;
}
// validate the bigGlyphMetrics
val_EBDT.bigGlyphMetrics_val bgm = val_EBDT.bigGlyphMetrics_val.CreateFromBigGlyphMetrics(ist2.bigMetrics);
bgm.Validate(v, sID, this);
return(bOk);
}
bool Validate_indexSubTable_format5(Validator v, indexSubTable5 ist5, indexSubTableArray ista, string sID, OTFontVal fontOwner)
{
bool bOk = true;
Table_EBDT EBDTTable = (Table_EBDT)fontOwner.GetTable("EBDT");
// header has already been validated
// validate the image size
if (ist5.numGlyphs * ist5.imageSize > EBDTTable.GetLength())
{
string sDetails = "images extend past end of EBDT table: " + sID + ", imageSize = " + ist5.imageSize
+ ", EBDT length = " + EBDTTable.GetLength();
v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails);
bOk = false;
}
// validate the bigGlyphMetrics
val_EBDT.bigGlyphMetrics_val bgm = val_EBDT.bigGlyphMetrics_val.CreateFromBigGlyphMetrics(ist5.bigMetrics);
bgm.Validate(v, sID, this);
// validate numGlyphs
uint nGlyphsInRange = (uint)ista.lastGlyphIndex - ista.firstGlyphIndex + 1;
if (ist5.numGlyphs > nGlyphsInRange)
{
string sDetails = "numGlyphs is invalid: " + sID +
", numGlyphs = " + ist5.numGlyphs +
", indexSubTableArray.firstGlyphIndex = " + ista.firstGlyphIndex +
", indexSubTableArray.lastGlyphIndex = " + ista.lastGlyphIndex;
v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails);
bOk = false;
}
// validate glyphCodeArray
for (ushort i = 0; i < ist5.numGlyphs; i++)
{
ushort idGlyph = ist5.GetGlyphCode(i);
if (idGlyph < ista.firstGlyphIndex || idGlyph > ista.lastGlyphIndex)
{
string sDetails = "invalid glyph id: " + sID +
", glyphCodeArray[" + i + "] = " + idGlyph +
", indexSubTableArray.firstGlyphIndex = " + ista.firstGlyphIndex +
", indexSubTableArray.lastGlyphIndex = " + ista.lastGlyphIndex;
v.Error(T.EBLC_indexSubTables, E.EBLC_E_indexSubTables, m_tag, sDetails);
bOk = false;
}
}
return(bOk);
}
