/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.head_TableLength))
{
if (m_bufTable.GetLength() == 54)
{
v.Pass(T.head_TableLength, P.head_P_TableLength, m_tag);
}
else
{
v.Error(T.head_TableLength, E.head_E_TableLength, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_TableVersion))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
v.Pass(T.head_TableVersion, P.head_P_TableVersion, m_tag);
}
else
{
v.Error(T.head_TableVersion, E.head_E_TableVersion, m_tag, "0x" + TableVersionNumber.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_fontRevision))
{
string sVersion = fontOwner.GetFontVersion();
if (sVersion != null)
{
if (sVersion.Length >= 11 &&
sVersion.StartsWith("Version ") &&
Char.IsDigit(sVersion, 8))
{
string sVersionNum = sVersion.Substring(8);
bool bFoundDecPt = false;
int nLastDigitPos = 0;
for (int i = 0; i < sVersionNum.Length; i++)
{
if (Char.IsDigit(sVersionNum, i))
{
nLastDigitPos = i;
}
else if (sVersionNum[i] == '.')
{
if (!bFoundDecPt)
{
bFoundDecPt = true;
}
else
{
break;
}
}
else
{
break;
}
}
double fVersion = Double.Parse(sVersionNum.Substring(0, nLastDigitPos + 1));
double fRevision = fontRevision.GetDouble();
if (Math.Round(fVersion, 3) == Math.Round(fRevision, 3))
{
v.Pass(T.head_fontRevision, P.head_P_fontRevision, m_tag, fRevision.ToString("f3"));
}
else
{
string s = "revision: " + fRevision.ToString("f3") + ", version: " + sVersionNum;
v.Warning(T.head_fontRevision, W.head_W_fontRevision, m_tag, s);
}
}
}
}
if (v.PerformTest(T.head_ChecksumAdjustment))
{
if (checkSumAdjustment == 0xb1b0afba - fontOwner.CalcChecksum())
{
v.Pass(T.head_ChecksumAdjustment, P.head_P_FontChecksum, m_tag, "0x" + checkSumAdjustment.ToString("x8"));
}
else
{
v.Error(T.head_ChecksumAdjustment, E.head_E_FontChecksum, m_tag, "0x" + checkSumAdjustment.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_MagicNumber))
{
if (magicNumber == 0x5f0f3cf5)
{
v.Pass(T.head_MagicNumber, P.head_P_MagicNumber, m_tag);
}
else
{
v.Error(T.head_MagicNumber, E.head_E_MagicNumber, m_tag, "0x" + magicNumber.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.head_FlagTests))
{
ushort val = flags;
// bit 0 indicates baseline for font at y=0
// bit 1 indicates left sidebearing point at x=0
// bit 2 indicates instructions may depend on point size
// bit 3 indicates forcing ppem to integer values instead of fractional values
// bit 4 indicates non-linear scaling - if set allows presence of LTSH and/or hdmx tables
Table_hdmx hdmxTable = (Table_hdmx)fontOwner.GetTable("hdmx");
Table_LTSH LTSHTable = (Table_LTSH)fontOwner.GetTable("LTSH");
if ((val & 0x0010) == 0)
{
if (hdmxTable == null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_hdmx, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_hdmx, m_tag);
}
if (LTSHTable == null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_0_LTSH, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit4_0_LTSH, m_tag);
}
}
else
{
if (hdmxTable != null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_hdmx, m_tag);
}
else
{
v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_hdmx, m_tag);
}
if (LTSHTable != null)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit4_1_LTSH, m_tag);
}
else
{
v.Warning(T.head_FlagTests, W.head_W_flags_bit4_1_LTSH, m_tag);
}
}
// bits 5 - 10 are used by apple and ignored by windows
// bit 11 indicates font data is 'lossless' as a result of having been compressed/decompressed
// bit 12 indicates a converted font
// bit 13 indicates optimized for cleartype
// bit 14 reserved
if ((val & 0x4000) == 0)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit14, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit14, m_tag, val.ToString());
bRet = false;
}
// bit 15 reserved
if ((val & 0x8000) == 0)
{
v.Pass(T.head_FlagTests, P.head_P_flags_bit15, m_tag);
}
else
{
v.Error(T.head_FlagTests, E.head_E_flags_bit15, m_tag, val.ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_UnitsPerEmValues))
{
ushort val = unitsPerEm;
bool bInRange = false;
if (val < 16) // opentype spec says min value is 16
{
v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEm_LT16, m_tag, val.ToString());
bRet = false;
}
else if (val < 64) // apple spec says min value is 64
{
v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEM_LT64, m_tag, val.ToString());
}
else if (val > 16384)
{
v.Error(T.head_UnitsPerEmValues, E.head_E_unitsPerEM_GT16384, m_tag, val.ToString());
bRet = false;
}
else
{
bInRange = true;
}
// apple spec says unitsPerEm must be power of two
// but don't check if it's a CFF font
if (!fontOwner.ContainsPostScriptOutlines())
{
bool bPowerOfTwo = false;
for (int i = 0; i < 16; i++)
{
ushort nPow2 = (ushort)(1 << i);
if (val == nPow2)
{
bPowerOfTwo = true;
break;
}
}
if (bPowerOfTwo)
{
if (bInRange)
{
v.Pass(T.head_UnitsPerEmValues, P.head_P_unitsPerEm, m_tag, val.ToString());
}
}
else
{
v.Warning(T.head_UnitsPerEmValues, W.head_W_unitsPerEm_Pow2, m_tag, val.ToString());
}
}
}
if (v.PerformTest(T.head_Dates))
{
DateTime dtBeforeTrueType = new DateTime(1985, 1, 1);
if ((created >> 32) == 0)
{
DateTime dtCreated = this.GetCreatedDateTime();
string sDetails = "created = " + created + " (" + dtCreated.ToString("f", null) + ")";
if (created == 0)
{
v.Warning(T.head_Dates, W.head_W_created_0, m_tag);
}
else if (dtCreated < dtBeforeTrueType || dtCreated > DateTime.Now)
{
v.Warning(T.head_Dates, W.head_W_created_unlikely, m_tag, sDetails);
}
else
{
v.Pass(T.head_Dates, P.head_P_created_0, m_tag, sDetails);
}
}
else
{
string sDetails = "created = 0x" + created.ToString("x16");
v.Error(T.head_Dates, E.head_E_created_invalid, m_tag, sDetails);
bRet = false;
}
if ((modified >> 32) == 0)
{
DateTime dtModified = this.GetModifiedDateTime();
string sDetails = "modified = " + modified + " (" + dtModified.ToString("f", null) + ")";
if (modified == 0)
{
v.Warning(T.head_Dates, W.head_W_modified_0, m_tag);
}
else if (dtModified < dtBeforeTrueType || dtModified > DateTime.Now)
{
v.Warning(T.head_Dates, W.head_W_modified_unlikely, m_tag, sDetails);
}
else
{
v.Pass(T.head_Dates, P.head_P_modified_0, m_tag, sDetails);
}
}
else
{
string sDetails = "modified = 0x" + modified.ToString("x16");
v.Error(T.head_Dates, E.head_E_modified_invalid, m_tag, sDetails);
bRet = false;
}
}
if (v.PerformTest(T.head_MinMaxValues))
{
if (fontOwner.ContainsTrueTypeOutlines())
{
if (xMin > xMax)
{
v.Error(T.head_MinMaxValues, E.head_E_xMin_GT_xMax, m_tag);
bRet = false;
}
if (yMin > yMax)
{
v.Error(T.head_MinMaxValues, E.head_E_yMin_GT_yMax, m_tag);
bRet = false;
}
short xMinExpected = 32767;
short xMaxExpected = -32768;
short yMinExpected = 32767;
short yMaxExpected = -32768;
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
if (glyfTable != null)
{
Table_maxp maxp = (Table_maxp)fontOwner.GetTable("maxp");
if (maxp != null)
{
for (uint i = 0; i < fontOwner.GetMaxpNumGlyphs(); i++)
{
Table_glyf.header h = glyfTable.GetGlyphHeader(i, fontOwner);
if (h != null)
{
if (xMinExpected > h.xMin)
{
xMinExpected = h.xMin;
}
if (xMaxExpected < h.xMax)
{
xMaxExpected = h.xMax;
}
if (yMinExpected > h.yMin)
{
yMinExpected = h.yMin;
}
if (yMaxExpected < h.yMax)
{
yMaxExpected = h.yMax;
}
}
}
if (xMin == xMinExpected)
{
String s = "xMin = " + xMin;
v.Pass(T.head_MinMaxValues, P.head_P_xMin_glyf, m_tag, s);
}
else
{
string s = "actual: " + xMin + ", expected: " + xMinExpected;
v.Error(T.head_MinMaxValues, E.head_E_xMin_glyf, m_tag, s);
bRet = false;
}
if (yMin == yMinExpected)
{
String s = "yMin = " + yMin;
v.Pass(T.head_MinMaxValues, P.head_P_yMin_glyf, m_tag, s);
}
else
{
string s = "actual: " + yMin + ", expected: " + yMinExpected;
v.Error(T.head_MinMaxValues, E.head_E_yMin_glyf, m_tag, s);
bRet = false;
}
if (xMax == xMaxExpected)
{
String s = "xMax = " + xMax;
v.Pass(T.head_MinMaxValues, P.head_P_xMax_glyf, m_tag, s);
}
else
{
string s = "actual: " + xMax + ", expected: " + xMaxExpected;
v.Error(T.head_MinMaxValues, E.head_E_xMax_glyf, m_tag, s);
bRet = false;
}
if (yMax == yMaxExpected)
{
String s = "yMax = " + yMax;
v.Pass(T.head_MinMaxValues, P.head_P_yMax_glyf, m_tag, s);
}
else
{
string s = "actual: " + yMax + ", expected: " + yMaxExpected;
v.Error(T.head_MinMaxValues, E.head_E_yMax_glyf, m_tag, s);
bRet = false;
}
}
else
{
v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "maxp");
}
}
else
{
v.Error(T.head_MinMaxValues, E._TEST_E_TableMissing, m_tag, "glyf");
}
}
else
{
v.Info(T.head_MinMaxValues, I._TEST_I_NotForCFF, m_tag, "test = head_MinMaxValues");
}
}
if (v.PerformTest(T.head_MacStyleBits))
{
bool bMacBold = ((macStyle & 0x0001) != 0);
bool bMacItal = ((macStyle & 0x0002) != 0);
// subfamily (style) string
Table_name nameTable = (Table_name)fontOwner.GetTable("name");
string sStyle = null;
string sStyleLower = null;
if (nameTable != null)
{
sStyle = nameTable.GetStyleString();
if (sStyle != null)
{
sStyleLower = sStyle.ToLower();
}
}
if (sStyleLower != null)
{
if (bMacBold && sStyleLower.IndexOf("bold") == -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is set, but subfamily is " + sStyle);
bRet = false;
}
else if (!bMacBold && sStyleLower.IndexOf("bold") != -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold_subfamily, m_tag, "macStyle bold bit is clear, but subfamily is " + sStyle);
bRet = false;
}
else
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_subfamily, m_tag);
}
if (bMacItal && sStyleLower.IndexOf("italic") == -1 && sStyleLower.IndexOf("oblique") == -1)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is set, but subfamily is " + sStyle);
bRet = false;
}
else if (!bMacItal && (sStyleLower.IndexOf("italic") != -1 || sStyleLower.IndexOf("oblique") != -1))
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal_subfamily, m_tag, "macStyle italic bit is clear, but subfamily is " + sStyle);
bRet = false;
}
else
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_subfamily, m_tag);
}
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
// fsSelection
bool bOS2Bold = ((OS2Table.fsSelection & 0x0020) != 0);
bool bOS2Ital = ((OS2Table.fsSelection & 0x0001) != 0);
if (bMacBold == bOS2Bold)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleBold_OS2, m_tag);
}
else if (bMacBold)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold1_OS2, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleBold0_OS2, m_tag);
bRet = false;
}
if (bMacItal == bOS2Ital)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_OS2, m_tag);
}
else if (bMacItal)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_OS2, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_OS2, m_tag);
bRet = false;
}
}
Table_post postTable = (Table_post)fontOwner.GetTable("post");
if (postTable != null)
{
bool bPostItal = (postTable.italicAngle.GetUint() != 0);
if (bMacItal == bPostItal)
{
v.Pass(T.head_MacStyleBits, P.head_P_macStyleItal_post, m_tag);
}
else if (bMacItal)
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal1_post, m_tag);
bRet = false;
}
else
{
v.Error(T.head_MacStyleBits, E.head_E_macStyleItal0_post, m_tag);
bRet = false;
}
}
}
if (v.PerformTest(T.head_LowestRecSize))
{
if (lowestRecPPEM == 0)
{
v.Error(T.head_LowestRecSize, E.head_E_lowestRecPPEM_zero, m_tag);
bRet = false;
}
else if (lowestRecPPEM >= 1 && lowestRecPPEM <= 6)
{
v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_small, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString());
}
else if (lowestRecPPEM >= 36)
{
v.Warning(T.head_LowestRecSize, W.head_W_lowestRecPPEM_large, m_tag, "lowestRecPPEM = " + lowestRecPPEM.ToString());
}
else
{
v.Pass(T.head_LowestRecSize, P.head_P_lowestRecPPEM, m_tag);
}
}
if (v.PerformTest(T.head_FontDirectionHint))
{
if (fontDirectionHint >= -2 && fontDirectionHint <= 2)
{
v.Pass(T.head_FontDirectionHint, P.head_P_fontDirectionHint, m_tag, fontDirectionHint.ToString());
}
else
{
v.Error(T.head_FontDirectionHint, E.head_E_fontDirectionHint, m_tag, fontDirectionHint.ToString());
bRet = false;
}
}
if (v.PerformTest(T.head_IndexToLocFormat))
{
if (fontOwner.ContainsPostScriptOutlines())
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_ignore, m_tag, "indexToLocFormat = " + indexToLocFormat);
}
else
{
if (indexToLocFormat == 0 || indexToLocFormat == 1)
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_range, m_tag, indexToLocFormat.ToString());
}
else
{
v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_range, m_tag, indexToLocFormat.ToString());
bRet = false;
}
if (indexToLocFormat == 0 || indexToLocFormat == 1)
{
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable != null)
{
uint locaTableElementSize = 0;
if (indexToLocFormat == 0)
{
locaTableElementSize = 2;
}
else if (indexToLocFormat == 1)
{
locaTableElementSize = 4;
}
uint CalcLocaLength = (uint)(maxpTable.NumGlyphs + 1) * locaTableElementSize;
if (CalcLocaLength == locaTable.GetLength())
{
v.Pass(T.head_IndexToLocFormat, P.head_P_indexToLocFormat_match, m_tag, indexToLocFormat.ToString());
}
else
{
v.Error(T.head_IndexToLocFormat, E.head_E_indexToLocFormat_match, m_tag, indexToLocFormat.ToString());
bRet = false;
}
}
else
{
v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "maxp");
}
}
else
{
v.Error(T.head_IndexToLocFormat, E._TEST_E_TableMissing, m_tag, "loca");
}
}
}
}
if (v.PerformTest(T.head_GlyphDataFormat))
{
if (glyphDataFormat == 0)
{
v.Pass(T.head_GlyphDataFormat, P.head_P_glyphDataFormat, m_tag);
}
else
{
v.Error(T.head_GlyphDataFormat, E.head_E_glyphDataFormat, m_tag);
bRet = false;
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.maxp_TableVersion))
{
uint val = TableVersionNumber.GetUint();
Table_CFF CFFTable = (Table_CFF)fontOwner.GetTable("CFF ");
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
if (val == 0x00005000)
{
if (CFFTable != null && glyfTable == null)
{
v.Pass(T.maxp_TableVersion, P.maxp_P_VERSION_0_5, m_tag);
}
else if (CFFTable == null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_0_5_NOCFF, m_tag);
bRet = false;
}
else if (glyfTable != null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_0_5_glyf, m_tag);
bRet = false;
}
}
else if (val == 0x00010000)
{
if (CFFTable == null && glyfTable != null)
{
v.Pass(T.maxp_TableVersion, P.maxp_P_VERSION_1_0, m_tag);
}
else if (glyfTable == null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_1_0_NOglyf, m_tag);
bRet = false;
}
else if (CFFTable != null)
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_1_0_CFF, m_tag);
bRet = false;
}
}
else
{
v.Error(T.maxp_TableVersion, E.maxp_E_VERSION_INVALID, m_tag, "0x" + val.ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.maxp_TableLength))
{
uint val = TableVersionNumber.GetUint();
if (val == 0x00005000)
{
if (m_bufTable.GetLength() == 6)
{
v.Pass(T.maxp_TableLength, P.maxp_P_LENGTH_0_5, m_tag);
}
else
{
v.Error(T.maxp_TableLength, E.maxp_E_LENGTH_0_5, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
else if (val == 0x00010000)
{
if (m_bufTable.GetLength() == 32)
{
v.Pass(T.maxp_TableLength, P.maxp_P_LENGTH_1_0, m_tag);
}
else
{
v.Error(T.maxp_TableLength, E.maxp_E_LENGTH_1_0, m_tag, m_bufTable.GetLength().ToString());
bRet = false;
}
}
}
if (v.PerformTest(T.maxp_NumGlyphsMatchLoca))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
// locaTable.NumEntry returns (-1) on failure
if (locaTable.NumEntry(fontOwner) == NumGlyphs + 1)
{
v.Pass(T.maxp_NumGlyphsMatchLoca, P.maxp_P_NumGlyphsMatchLoca, m_tag, "numGlyphs = " + NumGlyphs);
}
else
{
v.Error(T.maxp_NumGlyphsMatchLoca, E.maxp_E_NumGlyphsMatchLoca, m_tag, "numGlyphs = " + NumGlyphs);
bRet = false;
}
}
else
{
v.Error(T.maxp_NumGlyphsMatchLoca, E._TEST_E_TableMissing, m_tag, "loca");
bRet = false;
}
}
else
{
v.Info(T.maxp_NumGlyphsMatchLoca, I._TEST_I_TableVersion, m_tag, "test = maxp_NumGlyphsMatchLoca");
}
}
if (v.PerformTest(T.maxp_GlyphStats))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
if (glyfTable == null)
{
v.Error(T.maxp_GlyphStats, E._TEST_E_TableMissing, m_tag, "glyf");
bRet = false;
}
else
{
bool bGlyphStatsOk = true;
if (ComputeMaxpStats(glyfTable, fontOwner))
{
if (maxPoints != maxPointsCalc)
{
String sDetails = "maxPoints = " + maxPoints + ", calculated = " + maxPointsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxContours != maxContoursCalc)
{
String sDetails = "maxContours = " + maxContours + ", calculated = " + maxContoursCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxCompositePoints != maxCompositePointsCalc)
{
String sDetails = "maxCompositePoints = " + maxCompositePoints + ", calculated = " + maxCompositePointsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxCompositeContours != maxCompositeContoursCalc)
{
String sDetails = "maxCompositeContours = " + maxCompositeContours + ", calculated = " + maxCompositeContoursCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
// Bug 2168.
// Case 1: Same as max size from glyf table. Info.
// Case 2: Same as max size from glyf table +
// size(fpgm) + size(prep). Info message.
// Case 3: Smaller than max size from glyf table.
// Error
// Case 4: Neither 1 nor 2. Warning.
DirectoryEntry dePrep =
fontOwner.GetDirectoryEntry("prep");
uint prepLength = 0;
if (null != dePrep)
{
prepLength = dePrep.length;
}
DirectoryEntry deFpgm =
fontOwner.GetDirectoryEntry("fpgm");
uint fpgmLength = 0;
if (null != deFpgm)
{
fpgmLength = deFpgm.length;
}
if (maxSizeOfInstructions ==
maxSizeOfInstructionsCalc)
{
// Case 1:
String sDetails = "maxSizeOfInstructions=" +
maxSizeOfInstructions + ", computed " +
"from the glyf table";
v.Info(T.maxp_GlyphStats,
I.maxp_I_Calculation_Method1,
m_tag, sDetails);
}
else if (maxSizeOfInstructions ==
(maxSizeOfInstructionsCalc +
prepLength + fpgmLength))
{
// Case 2:
String sDetails =
"maxp maxSizeOfInstructions is " +
maxSizeOfInstructions + ", which is " +
"glyf maxSizeOfInstructions (" +
maxSizeOfInstructionsCalc +
") + prep size (" + prepLength +
") + fpgm size (" + fpgmLength + ")";
v.Info(T.maxp_GlyphStats,
I.maxp_I_Calculation_Method2,
m_tag, sDetails);
}
else if (maxSizeOfInstructions <
maxSizeOfInstructionsCalc)
{
// Case 3
String sDetails =
"maxp maxSizeOfInstructions is " +
maxSizeOfInstructions +
", which is smaller than the " +
"size of instuctions (" +
maxSizeOfInstructionsCalc + ") found" +
" for some glyph in the glyf table.";
v.Error(T.maxp_GlyphStats,
E.maxp_E_Calculation, m_tag,
sDetails);
bRet = false;
}
else
{
// Case 4
String sDetails =
"glyf maxSizeOfInstructions=" +
maxSizeOfInstructionsCalc +
", prep size=" + prepLength +
", fpgm size=" + fpgmLength +
", whereas maxp maxSizeOfInstruction " +
"is " + maxSizeOfInstructions;
v.Warning(T.maxp_GlyphStats,
W.maxp_W_Calculation_Unclear,
m_tag,
sDetails);
bGlyphStatsOk = false;
}
if (maxComponentElements != maxComponentElementsCalc)
{
String sDetails = "maxComponentElements = " + maxComponentElements + ", calculated = " + maxComponentElementsCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (maxComponentDepth != maxComponentDepthCalc)
{
String sDetails = "maxComponentDepth = " + maxComponentDepth + ", calculated = " + maxComponentDepthCalc;
v.Error(T.maxp_GlyphStats, E.maxp_E_Calculation, m_tag, sDetails);
bRet = false;
bGlyphStatsOk = false;
}
if (bGlyphStatsOk)
{
v.Pass(T.maxp_GlyphStats, P.maxp_P_Calculation, m_tag);
}
}
else
{
v.Warning(T.maxp_GlyphStats, W._TEST_W_ErrorInAnotherTable, m_tag, "Errors in the glyf table are preventing validation of maxPoints, maxContours, maxCompositePoints, maxCompositeContours, maxSizeofInstructions, maxComponentElements, and maxComponentDepth");
}
}
}
else
{
v.Info(T.maxp_GlyphStats, I._TEST_I_TableVersion, m_tag, "test = maxp_GlyphStats");
}
}
return(bRet);
}
