/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
ushort numGlyphs = GetNumGlyphs(fontOwner);
if (v.PerformTest(T.hdmx_Version))
{
if (TableVersionNumber == 0)
{
v.Pass(T.hdmx_Version, P.hdmx_P_Version, m_tag);
}
else
{
v.Error(T.hdmx_Version, E.hdmx_E_Version, m_tag, TableVersionNumber.ToString());
bRet = false;
}
}
bool bNumDeviceRecordsOk = true;
if (v.PerformTest(T.hdmx_NumDeviceRecords))
{
if (NumberDeviceRecords >= 0)
{
v.Pass(T.hdmx_NumDeviceRecords, P.hdmx_P_NumDeviceRecords, m_tag, NumberDeviceRecords.ToString());
}
else
{
v.Error(T.hdmx_NumDeviceRecords, E.hdmx_E_NumDeviceRecords_neg, m_tag, NumberDeviceRecords.ToString());
bNumDeviceRecordsOk = false;
bRet = false;
}
}
bool bSizeOk = true;
if (v.PerformTest(T.hdmx_SizeofDeviceRecord))
{
if ((SizeofDeviceRecord & 3) != 0)
{
v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_alignment, m_tag, SizeofDeviceRecord.ToString());
bSizeOk = false;
bRet = false;
}
uint CalculatedSizeofDeviceRecord = CalculateSizeofDeviceRecord(numGlyphs);
if (SizeofDeviceRecord != CalculatedSizeofDeviceRecord)
{
string s = "actual = " + SizeofDeviceRecord + ", calc = " + CalculatedSizeofDeviceRecord;
v.Error(T.hdmx_SizeofDeviceRecord, E.hdmx_E_SizeofDeviceRecord_numGlyphs, m_tag, s);
bSizeOk = false;
bRet = false;
}
if (bSizeOk)
{
v.Pass(T.hdmx_SizeofDeviceRecord, P.hdmx_P_SizeofDeviceRecord, m_tag, SizeofDeviceRecord.ToString());
}
}
bool bLengthOk = true;
if (v.PerformTest(T.hdmx_TableLength))
{
if (bNumDeviceRecordsOk)
{
uint CalculatedTableLength = 8 + (uint)NumberDeviceRecords * CalculateSizeofDeviceRecord(numGlyphs);
if (GetLength() == CalculatedTableLength)
{
v.Pass(T.hdmx_TableLength, P.hdmx_P_TableLength, m_tag);
}
else
{
string s = "actual: " + GetLength() + ", calc: " + CalculatedTableLength;
v.Error(T.hdmx_TableLength, E.hdmx_E_TableLength, m_tag, s);
bLengthOk = false;
bRet = false;
}
}
else
{
v.Warning(T.hdmx_TableLength, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate table length");
}
}
if (v.PerformTest(T.hdmx_DeviceRecordPadBytesZero))
{
if (bSizeOk && bLengthOk & bNumDeviceRecordsOk)
{
uint unpaddedLength = (uint)numGlyphs + 2;
if ((unpaddedLength & 3) == 0)
{
v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_none, m_tag);
}
else
{
bool bPadOk = true;
if (NumberDeviceRecords > 1)
{
for (uint i = 0; i < NumberDeviceRecords; i++)
{
DeviceRecord dr = GetDeviceRecord(i, numGlyphs);
for (uint j = 0; j < dr.GetNumPadBytes(); j++)
{
if (dr.GetPadByte(j) != 0)
{
bPadOk = false;
break;
}
}
}
}
if (bPadOk)
{
v.Pass(T.hdmx_DeviceRecordPadBytesZero, P.hdmx_P_DeviceRecordPadBytes_zero, m_tag);
}
else
{
v.Error(T.hdmx_DeviceRecordPadBytesZero, E.hdmx_E_DeviceRecordPadBytes_nonzero, m_tag);
bRet = false;
}
}
}
else
{
v.Warning(T.hdmx_DeviceRecordPadBytesZero, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device record padding bytes are zero");
}
}
if (v.PerformTest(T.hdmx_SortedOrder))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bSortOk = true;
if (NumberDeviceRecords > 1)
{
DeviceRecord drCurr = GetDeviceRecord(0, numGlyphs);
DeviceRecord drNext = null;
for (uint i = 1; i < NumberDeviceRecords; i++)
{
drNext = GetDeviceRecord(i, numGlyphs);
if (drCurr.PixelSize >= drNext.PixelSize)
{
bSortOk = false;
break;
}
drCurr = drNext;
}
}
if (bSortOk)
{
v.Pass(T.hdmx_SortedOrder, P.hdmx_P_SortedOrder, m_tag);
}
else
{
v.Error(T.hdmx_SortedOrder, E.hdmx_E_SortedOrder, m_tag);
bRet = false;
}
}
else
{
v.Warning(T.hdmx_SortedOrder, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that device records are in sorted order");
}
}
if (v.PerformTest(T.hdmx_DuplicateDeviceRecords))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bNoDup = true;
if (NumberDeviceRecords > 1)
{
for (uint i = 0; i < NumberDeviceRecords - 1; i++)
{
DeviceRecord dr1 = GetDeviceRecord(i, numGlyphs);
for (uint j = i + 1; j < NumberDeviceRecords; j++)
{
DeviceRecord dr2 = GetDeviceRecord(j, numGlyphs);
if (dr1.PixelSize == dr2.PixelSize)
{
bNoDup = false;
break;
}
}
}
}
if (bNoDup)
{
v.Pass(T.hdmx_DuplicateDeviceRecords, P.hdmx_P_DuplicateDeviceRecords, m_tag);
}
else
{
v.Error(T.hdmx_DuplicateDeviceRecords, E.hdmx_E_DuplicateDeviceRecords, m_tag);
bRet = false;
}
}
else
{
v.Warning(T.hdmx_DuplicateDeviceRecords, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that there are no duplicate device records");
}
}
if (v.PerformTest(T.hdmx_Widths))
{
if (bSizeOk && bLengthOk && bNumDeviceRecordsOk)
{
bool bWidthsOk = true;
RasterInterf.DevMetricsData dmd = null;
try
{
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (Exception e)
{
v.ApplicationError(T.VDMX_CompareToCalcData, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for (uint i = 0; i < NumberDeviceRecords; i++)
{
DeviceRecord dr = GetDeviceRecord(i, numGlyphs);
for (uint iGlyph = 0; iGlyph < numGlyphs; iGlyph++)
{
if (dr.GetWidth(iGlyph) != dmd.hdmxData.Records[i].Widths[iGlyph])
{
String sDetails = "rec " + i + ", PixelSize " + dr.PixelSize + ", glyph# " + iGlyph
+ ", width = " + dr.GetWidth(iGlyph) + ", calc = " + dmd.hdmxData.Records[i].Widths[iGlyph];
v.Error(T.hdmx_Widths, E.hdmx_E_Widths, m_tag, sDetails);
bWidthsOk = false;
bRet = false;
}
}
}
if (bWidthsOk)
{
v.Pass(T.hdmx_Widths, P.hdmx_P_Widths, m_tag);
}
}
else
{
// if user didn't cancel, then check for error message
if (!v.CancelFlag)
{
String sDetails = null;
try
{
sDetails = fontOwner.GetDevMetricsDataError();
}
catch (Exception e)
{
v.ApplicationError(T.VDMX_CompareToCalcData, E._Table_E_Exception, m_tag, e.Message);
}
Debug.Assert(sDetails != null);
v.Error(T.hdmx_Widths, E.hdmx_E_Rasterizer, m_tag, sDetails);
bRet = false;
}
}
}
else
{
v.Warning(T.hdmx_Widths, W._TEST_W_OtherErrorsInTable, m_tag, "unable to validate that the widths are correct");
}
}
return(bRet);
}
