/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing");
return(false);
}
if (v.PerformTest(T.vmtx_TableLength))
{
uint CalcTableLength = GetNumOfLongVerMetrics(fontOwner) * 4
+ (fontOwner.GetMaxpNumGlyphs() - GetNumOfLongVerMetrics(fontOwner)) * 2;
if (CalcTableLength == GetLength())
{
v.Pass(T.vmtx_TableLength, P.vmtx_P_TableLength, m_tag);
}
else
{
v.Error(T.vmtx_TableLength, E.vmtx_E_TableLength, m_tag);
bRet = false;
}
}
return(bRet);
}
//If it is OK, return > 0
//If it is faulty, return < 0
//If it has postscript outlines (can't rasterize for now, but it is ok) , return 0
protected int TestFontRasterization()
{
//Any font with postscript outlines instead of truetype outlines has a CFF, table
//So, if the file has a CFF table, we return 0 promptly
//
// FreeType is CFF capable.
Type freeType = Type.GetType("Compat.OTFontFile.Rasterizer.FreeType.Library");
if (freeType == null)
{
freeType = Type.GetType("SharpFont.Library");
}
if (IsPostScript() && freeType == null)
{
m_sDevMetricsDataError = "Font has PostScript outlines, rasterization not yet implemented";
return(0);
}
// We do a sanity check here to make sure font meets minimal requirements before we will do
// rasterization testing
string s = "Unable to get data from rasterizer. ";
DirectoryEntry de_head = GetDirectoryEntry("head");
Table_head headTable = (Table_head)GetTable("head");
if ((de_head != null && headTable == null) ||
headTable == null)
{
m_sDevMetricsDataError = s + "'head' table is not present.";
return(-1);
}
if (headTable.GetLength() != 54)
{
m_sDevMetricsDataError = s + "'head' table length is invalid.";
return(-1);
}
if (headTable.magicNumber != 0x5f0f3cf5)
{
m_sDevMetricsDataError = s + "'head' table magic number is not correct.";
return(-1);
}
Table_maxp maxpTable = (Table_maxp)GetTable("maxp");
if (maxpTable == null)
{
m_sDevMetricsDataError = s + "'maxp' table is not present.";
return(-1);
}
uint val = maxpTable.TableVersionNumber.GetUint();
if ((val == 0x00005000 && maxpTable.GetLength() != 6) ||
(val == 0x00010000 && maxpTable.GetLength() != 32))
{
m_sDevMetricsDataError = s + "'maxp' table length is invalid.";
return(-1);
}
DirectoryEntry de_cvt = GetDirectoryEntry("cvt ");
Table_cvt cvtTable = (Table_cvt)GetTable("cvt ");
if (de_cvt != null && cvtTable == null)
{
m_sDevMetricsDataError = s + "'cvt ' table is not valid.";
return(-1);
}
DirectoryEntry de_glyf = GetDirectoryEntry("glyf");
Table_glyf glyfTable = (Table_glyf)GetTable("glyf");
if ((de_glyf != null && glyfTable == null) ||
glyfTable == null)
{
m_sDevMetricsDataError = s + "'glyf' table is not valid.";
return(-1);
}
Table_hhea hheaTable = (Table_hhea)GetTable("hhea");
if (hheaTable == null)
{
m_sDevMetricsDataError = s + "'hhea' table is not present.";
return(-1);
}
return(1);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.hhea_version))
{
if (TableVersionNumber.GetUint() == 0x00010000)
{
v.Pass(T.hhea_version, P.hhea_P_version, m_tag);
}
else
{
v.Error(T.hhea_version, E.hhea_E_version, m_tag, "0x" + TableVersionNumber.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.hhea_AscenderPositive))
{
if (Ascender <= 0)
{
string s = "Ascender = " + Ascender;
v.Error(T.hhea_AscenderPositive, E.hhea_E_AscenderPositive, m_tag, s);
bRet = false;
}
else
{
v.Pass(T.hhea_AscenderPositive, P.hhea_P_AscenderPositive, m_tag);
}
}
if (v.PerformTest(T.hhea_DescenderNegative))
{
if (Descender >= 0)
{
string s = "Descender = " + Descender;
v.Error(T.hhea_DescenderNegative, E.hhea_E_DescenderNegative, m_tag, s);
bRet = false;
}
else
{
v.Pass(T.hhea_DescenderNegative, P.hhea_P_DescenderNegative, m_tag);
}
}
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if (v.PerformTest(T.hhea_Ascender_yMax))
{
if (Ascender > headTable.yMax)
{
string s = "Ascender = " + Ascender + ", head.yMax = " + headTable.yMax;
v.Info(T.hhea_Ascender_yMax, I.hhea_I_Ascender_yMax, m_tag, s);
// bRet = false;
}
else
{
v.Pass(T.hhea_Ascender_yMax, P.hhea_P_Ascender_yMax, m_tag);
}
}
if (v.PerformTest(T.hhea_Descender_yMin))
{
if (Descender < headTable.yMin)
{
string s = "Descender = " + Descender + ", head.yMin = " + headTable.yMin;
v.Info(T.hhea_Descender_yMin, I.hhea_I_Descender_yMin, m_tag, s);
// bRet = false;
}
else
{
v.Pass(T.hhea_Descender_yMin, P.hhea_P_Descender_yMin, m_tag);
}
}
}
else
{
v.Error(T.hhea_Ascender_yMax, E._TEST_E_TableMissing, m_tag, "head");
bRet = false;
}
if (v.PerformTest(T.hhea_LineGapPositive))
{
if (LineGap < 0)
{
string s = "LineGap = " + LineGap;
v.Warning(T.hhea_LineGapPositive, W.hhea_W_LineGapPositive, m_tag, s);
//bRet = false;
}
else
{
v.Pass(T.hhea_LineGapPositive, P.hhea_P_LineGapPositive, m_tag);
}
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
if (v.PerformTest(T.hhea_Ascender_usWinAscent))
{
if (OS2Table.usWinAscent != Ascender)
{
string s = "hhea.Ascender = " + Ascender + ", OS/2.usWinAscent = " + OS2Table.usWinAscent;
v.Warning(T.hhea_Ascender_usWinAscent, W.hhea_W_Ascender_usWinAscent, m_tag, s);
}
else
{
v.Pass(T.hhea_Ascender_usWinAscent, P.hhea_P_Ascender_usWinAscent, m_tag);
}
}
if (v.PerformTest(T.hhea_Descender_usWinDescent))
{
if (OS2Table.usWinDescent != (Descender * -1))
{
string s = "hhea.Descender = " + Descender + ", OS/2.usWinDescent = " + OS2Table.usWinDescent;
v.Warning(T.hhea_Descender_usWinDescent, W.hhea_W_Descender_usWinDescent, m_tag, s);
}
else
{
v.Pass(T.hhea_Descender_usWinDescent, P.hhea_P_Descender_usWinDescent, m_tag);
}
}
// Microsoft is recommending that Ascender, Descender and LineGap be in line with OS2.winAscent, OS2.winDescent
// and formulated value for LineGap to make sure font displays the same on Apple as it does no Windows.
if (v.PerformTest(T.hhea_LineGap_minGap))
{
int sMinGap = (OS2Table.usWinAscent + OS2Table.usWinDescent) - (Ascender - Descender);
if (LineGap < sMinGap)
{
string s = "LineGap = " + LineGap + ", recommended = " + sMinGap;
v.Warning(T.hhea_LineGap_minGap, W.hhea_W_LineGap_minGap, m_tag, s);
//bRet = false;
}
else
{
v.Pass(T.hhea_LineGap_minGap, P.hhea_P_LineGap_minGap, m_tag);
}
}
else
{
v.Error(T.hhea_LineGap_minGap, E._TEST_E_TableMissing, m_tag, "OS/2");
}
}
else
{
v.Error(T.hhea_Ascender_usWinAscent, E._TEST_E_TableMissing, m_tag, "OS/2");
v.Error(T.hhea_Descender_usWinDescent, E._TEST_E_TableMissing, m_tag, "OS/2");
v.Error(T.hhea_LineGap_minGap, E._TEST_E_TableMissing, m_tag, "OS/2");
bRet = false;
}
if (v.PerformTest(T.hhea_MinMax))
{
if (fontOwner.ContainsTrueTypeOutlines())
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
Table_glyf glyfTable = (Table_glyf)fontOwner.GetTable("glyf");
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.hhea_MinMax, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (glyfTable == null)
{
v.Error(T.hhea_MinMax, E._TEST_E_TableMissing, m_tag, "glyf");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.hhea_MinMax, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
ushort numGlyphs = fontOwner.GetMaxpNumGlyphs();
ushort awMax = 0;
short minLSB = 32767;
short minRSB = 32767;
short xmaxEx = -32768;
Table_hmtx.longHorMetric hm = null;
for (uint iGlyph = 0; iGlyph < numGlyphs; iGlyph++)
{
hm = hmtxTable.GetOrMakeHMetric(iGlyph, fontOwner);
if (hm == null)
{
break;
}
if (awMax < hm.advanceWidth)
{
awMax = hm.advanceWidth;
// We want to give the user feedback to know what glyph id
// has the bad width assigned
if (awMax > advanceWidthMax)
{
string s = "glyph ID = " + iGlyph + ", advance width = " + awMax;
v.Error(T.hhea_MinMax, E.hhea_E_advanceWidthMax, m_tag, s);
bRet = false;
}
}
Table_glyf.header gh = glyfTable.GetGlyphHeader(iGlyph, fontOwner);
// calculate for all non-zero contours...this includes composites
if (gh != null &&
gh.numberOfContours != 0)
{
if (minLSB > hm.lsb)
{
minLSB = hm.lsb;
}
short rsb = (short)(hm.advanceWidth - hm.lsb - (gh.xMax - gh.xMin));
if (minRSB > rsb)
{
minRSB = rsb;
}
short extent = (short)(hm.lsb + (gh.xMax - gh.xMin));
if (xmaxEx < extent)
{
xmaxEx = extent;
}
}
}
if (hm != null)
{
if (advanceWidthMax == awMax)
{
v.Pass(T.hhea_MinMax, P.hhea_P_advanceWidthMax, m_tag);
}
else
{
string s = "actual = " + advanceWidthMax + ", calc = " + awMax;
v.Error(T.hhea_MinMax, E.hhea_E_advanceWidthMax, m_tag, s);
bRet = false;
}
if (minLeftSideBearing == minLSB)
{
v.Pass(T.hhea_MinMax, P.hhea_P_minLeftSideBearing, m_tag);
}
else
{
string s = "actual = " + minLeftSideBearing + ", calc = " + minLSB;
v.Error(T.hhea_MinMax, E.hhea_E_minLeftSideBearing, m_tag, s);
bRet = false;
}
if (minRightSideBearing == minRSB)
{
v.Pass(T.hhea_MinMax, P.hhea_P_minRightSideBearing, m_tag);
}
else
{
string s = "actual = " + minRightSideBearing + ", calc = " + minRSB;
v.Error(T.hhea_MinMax, E.hhea_E_minRightSideBearing, m_tag, s);
bRet = false;
}
if (xMaxExtent == xmaxEx)
{
v.Pass(T.hhea_MinMax, P.hhea_P_xMaxExtent, m_tag);
}
else
{
string s = "actual = " + xMaxExtent + ", calc = " + xmaxEx;
v.Error(T.hhea_MinMax, E.hhea_E_xMaxExtent, m_tag, s);
bRet = false;
}
}
else
{
v.Warning(T.hhea_MinMax, W.hhea_W_hmtx_invalid, m_tag, "unable to parse hmtx table");
}
}
}
else
{
v.Info(T.hhea_MinMax, I._TEST_I_NotForCFF, m_tag, "test = hhea_MinMax");
}
}
if (v.PerformTest(T.hhea_reserved))
{
if (reserved1 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved1, m_tag, reserved1.ToString());
bRet = false;
}
else if (reserved2 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved2, m_tag, reserved2.ToString());
bRet = false;
}
else if (reserved3 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved3, m_tag, reserved3.ToString());
bRet = false;
}
else if (reserved4 != 0)
{
v.Error(T.hhea_reserved, E.hhea_E_reserved4, m_tag, reserved4.ToString());
bRet = false;
}
else
{
v.Pass(T.hhea_reserved, P.hhea_P_reserved, m_tag);
}
}
if (v.PerformTest(T.hhea_metricDataFormat))
{
if (metricDataFormat == 0)
{
v.Pass(T.hhea_metricDataFormat, P.hhea_P_metricDataFormat, m_tag);
}
else
{
v.Error(T.hhea_metricDataFormat, E.hhea_E_metricDataFormat, m_tag, metricDataFormat.ToString());
bRet = false;
}
}
if (v.PerformTest(T.hhea_numberOfHMetrics))
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.hhea_numberOfHMetrics, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.hhea_numberOfHMetrics, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
ushort numGlyphs = fontOwner.GetMaxpNumGlyphs();
if (numberOfHMetrics * 4 + (numGlyphs - numberOfHMetrics) * 2 == hmtxTable.GetLength())
{
v.Pass(T.hhea_numberOfHMetrics, P.hhea_P_numberOfHMetrics, m_tag);
}
else
{
v.Error(T.hhea_numberOfHMetrics, E.hhea_E_numberOfHMetrics, m_tag);
bRet = false;
}
}
}
if (v.PerformTest(T.hhea_caretSlope))
{
bool bSlopeOk = true;
Table_post postTable = (Table_post)fontOwner.GetTable("post");
if (postTable != null)
{
uint ia = postTable.italicAngle.GetUint();
double dItalicAngle = postTable.italicAngle.GetDouble();
if (ia == 0)
{
if (caretSlopeRun != 0)
{
v.Error(T.hhea_caretSlope, E.hhea_E_caretSlopeRunNonZero_italicAngle, m_tag);
bSlopeOk = false;
bRet = false;
}
}
else
{
if (caretSlopeRun == 0)
{
v.Error(T.hhea_caretSlope, E.hhea_E_caretSlopeRunZero_italicAngle, m_tag);
bSlopeOk = false;
bRet = false;
}
else
{
double dActualAngle = 90.0 + postTable.italicAngle.GetDouble();
double dhheaAngle = (Math.Atan2(caretSlopeRise, caretSlopeRun)) * (180.0 / Math.PI);
if (Math.Abs(dActualAngle - dhheaAngle) >= 1.0)
{
string sDetails = "caretSlope Rise:Run = " + caretSlopeRise + ":" + caretSlopeRun +
" (" + (dhheaAngle - 90.0) + " degrees)" +
", post.italicAngle = 0x" + ia.ToString("x8") +
" (" + postTable.italicAngle.GetDouble() + " degrees)";
v.Error(T.hhea_caretSlope, E.hhea_E_caretSlopeAngle_italicAngle, m_tag, sDetails);
bSlopeOk = false;
bRet = false;
}
}
}
}
else
{
v.Error(T.hhea_caretSlope, E._TEST_E_TableMissing, m_tag, "post table missing, can't compare caret slope to italicAngle");
bSlopeOk = false;
bRet = false;
}
if (bSlopeOk)
{
v.Pass(T.hhea_caretSlope, P.hhea_P_caretSlopeAngle_italicAngle, m_tag);
}
}
return(bRet);
}
/************************
* 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;
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, hhea table is invalid or missing");
return(false);
}
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing");
return(false);
}
if (v.PerformTest(T.hmtx_TableSize))
{
uint nhm = GetNumberOfHMetrics(fontOwner);
uint nlsb = GetNumLeftSideBearingEntries(fontOwner);
uint CalcTableLength = nhm * 4 + nlsb * 2;
if (CalcTableLength == GetLength())
{
v.Pass(T.hmtx_TableSize, P.hmtx_P_TableSize, m_tag);
}
else
{
v.Error(T.hmtx_TableSize, E.hmtx_E_TableSize, m_tag);
bRet = false;
}
}
if (v.PerformTest(T.hmtx_CheckMetrics))
{
bool bMetricsOk = true;
for (uint iGlyph = 0; iGlyph < fontOwner.GetMaxpNumGlyphs(); iGlyph++)
{
longHorMetric hm = this.GetOrMakeHMetric(iGlyph, fontOwner);
if (hm != null)
{
if (hm.lsb > hm.advanceWidth)
{
v.Warning(T.hmtx_CheckMetrics, W.hmtx_W_CheckMetrics_lsb_gt_adv, m_tag, "glyph# " + iGlyph);
bMetricsOk = false;
}
}
else
{
// unable to fetch this horizontal metric
// (probably bad hheaTable.numberOfHMetrics or bad table length)
bMetricsOk = false;
}
}
if (bMetricsOk)
{
v.Pass(T.hmtx_CheckMetrics, P.hmtx_P_CheckMetrics, m_tag);
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.post_TableLength))
{
bool bLenOk = true;
if (Version.GetUint() == 0x00010000 ||
Version.GetUint() == 0x00030000)
{
if (GetLength() != 32)
{
v.Error(T.post_TableLength, E.post_E_TableLenNot32, m_tag);
bLenOk = false;
bRet = false;
}
}
if (Version.GetUint() == 0x00020000)
{
if (GetLength() < 34)
{
v.Error(T.post_TableLength, E.post_E_InvalidTableLen, m_tag);
bLenOk = false;
bRet = false;
}
}
if (bLenOk)
{
v.Pass(T.post_TableLength, P.post_P_TableLength, m_tag);
}
}
if (v.PerformTest(T.post_Version))
{
uint ver = Version.GetUint();
if (ver == 0x00025000)
{
v.Warning(T.post_Version, W.post_W_Version_2_5, m_tag);
}
else if (ver == 0x00010000 || ver == 0x00020000)
{
v.Pass(T.post_Version, P.post_P_Version, m_tag);
}
else if (ver == 0x00030000)
{
v.Warning(T.post_Version, W.post_W_Version_3_Apple, m_tag);
}
else if (ver == 0x00040000)
{
v.Warning(T.post_Version, W.post_W_Version_4_Apple, m_tag);
}
else
{
v.Error(T.post_Version, E.post_E_Version, m_tag, "0x" + ver.ToString("x8"));
}
}
if (v.PerformTest(T.post_italicAngle))
{
bool bItalOk = true;
uint ia = italicAngle.GetUint();
double dItalicAngle = italicAngle.GetDouble();
if (dItalicAngle < -30.0 || dItalicAngle > 360.0 || (dItalicAngle > 0.0 && dItalicAngle < 330.0))
{
v.Warning(T.post_italicAngle, W.post_W_italicAngle_unlikely, m_tag, "0x" + ia.ToString("x8"));
bItalOk = false;
}
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if ((headTable.macStyle & 0x0002) != 0)
{
if (ia == 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleZero_macStyle, m_tag);
bItalOk = false;
bRet = false;
}
}
else
{
if (ia != 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_macStyle, m_tag);
bItalOk = false;
bRet = false;
}
}
}
else
{
v.Error(T.post_italicAngle, E._TEST_E_TableMissing, m_tag, "head table missing, can't compare italicAngle to head.macStyle");
bItalOk = false;
}
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
if (ia == 0)
{
if (hheaTable.caretSlopeRun != 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleZero_caretSlopeRun, m_tag);
bItalOk = false;
bRet = false;
}
}
else
{
if (hheaTable.caretSlopeRun == 0)
{
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_caretSlopeRun, m_tag);
bItalOk = false;
bRet = false;
}
else
{
double dActualAngle = 90.0 + italicAngle.GetDouble();
double dhheaAngle = (Math.Atan2(hheaTable.caretSlopeRise, hheaTable.caretSlopeRun)) * (180.0 / Math.PI);
if (Math.Abs(dActualAngle - dhheaAngle) >= 1.0)
{
string sDetails = "italicAngle = 0x" + ia.ToString("x8") +
" (" + italicAngle.GetDouble() + " degrees)" +
",caretSlope Rise:Run = " + hheaTable.caretSlopeRise + ":" + hheaTable.caretSlopeRun +
" (" + (dhheaAngle - 90.0) + " degrees)";
v.Error(T.post_italicAngle, E.post_E_italicAngleNonzero_hheaAngle, m_tag, sDetails);
bItalOk = false;
bRet = false;
}
}
}
}
else
{
v.Error(T.post_italicAngle, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare italicAngle to hhea.caretSlopeRun");
bItalOk = false;
bRet = false;
}
if (bItalOk)
{
v.Pass(T.post_italicAngle, P.post_P_italicAngle, m_tag);
}
}
if (v.PerformTest(T.post_underlinePosition))
{
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
if (underlinePosition >= hheaTable.Descender)
{
v.Pass(T.post_underlinePosition, P.post_P_underlinePosition, m_tag);
}
else
{
v.Warning(T.post_underlinePosition, W.post_W_underlinePos_LT_descender, m_tag);
//bRet = false;
}
}
else
{
v.Error(T.post_underlinePosition, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare underlinePosition to hhea.Descender");
}
}
if (v.PerformTest(T.post_underlineThickness))
{
Table_head headTable = (Table_head)fontOwner.GetTable("head");
if (headTable != null)
{
if (underlineThickness >= 0 && underlineThickness < headTable.unitsPerEm / 2)
{
v.Pass(T.post_underlineThickness, P.post_P_underlineThickness, m_tag);
}
else
{
v.Warning(T.post_underlineThickness, W.post_W_underlineThickness, m_tag, underlineThickness.ToString());
}
}
else
{
v.Error(T.post_underlineThickness, E._TEST_E_TableMissing, m_tag, "head table missing, can't compare underlineThickness to head.unitsPerEm");
bRet = false;
}
}
if (v.PerformTest(T.post_isFixedPitch))
{
bool bFixedPitchOk = true;
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
if (hmtxTable != null)
{
uint numberOfHMetrics = 0;
Table_hhea hheaTable = (Table_hhea)fontOwner.GetTable("hhea");
if (hheaTable != null)
{
numberOfHMetrics = hheaTable.numberOfHMetrics;
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing, m_tag, "hhea table missing, can't compare isFixedPitch to horizontal metrics");
bRet = false;
}
bool bHmtxMono = hmtxTable.IsMonospace(fontOwner);
if (isFixedPitch == 0 && bHmtxMono)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchZero_hmtx, m_tag);
bFixedPitchOk = false;
bRet = false;
}
else if (isFixedPitch != 0 && !bHmtxMono)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchNonzero_hmtx, m_tag);
bFixedPitchOk = false;
bRet = false;
}
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing, m_tag, "hmtx table missing, can't compare isFixedPitch to horizontal metrics");
bRet = false;
}
Table_OS2 OS2Table = (Table_OS2)fontOwner.GetTable("OS/2");
if (OS2Table != null)
{
if (OS2Table.panose_byte1 == 2) // PANOSE family kind == LatinText
{
if (isFixedPitch == 0 && OS2Table.panose_byte4 == 9) // PANOSE proportion == monospaced
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchZero_OS_2, m_tag);
bFixedPitchOk = false;
bRet = false;
}
else if (isFixedPitch != 0 && OS2Table.panose_byte4 != 9)
{
v.Error(T.post_isFixedPitch, E.post_E_isFixedPitchNonzero_OS_2, m_tag);
bFixedPitchOk = false;
bRet = false;
}
}
}
else
{
v.Error(T.post_isFixedPitch, E._TEST_E_TableMissing,
m_tag, "OS/2 table is missing, can't compare isFixedPitch to OS/2 PANOSE");
bRet = false;
}
if (bFixedPitchOk && hmtxTable != null && OS2Table != null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the hmtx and OS/2 tables");
}
else if (bFixedPitchOk && hmtxTable == null && OS2Table != null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the OS/2 table");
}
else if (bFixedPitchOk && hmtxTable != null && OS2Table == null)
{
v.Pass(T.post_isFixedPitch, P.post_P_isFixedPitch, m_tag, "matches the hmtx table");
}
}
if (v.PerformTest(T.post_v2_numberOfGlyphs))
{
if (Version.GetUint() == 0x00020000)
{
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.post_v2_numberOfGlyphs, E._TEST_E_TableMissing, m_tag, "maxp table is missing");
bRet = false;
}
else
{
if (numberOfGlyphs == fontOwner.GetMaxpNumGlyphs())
{
v.Pass(T.post_v2_numberOfGlyphs, P.post_P_v2_numberOfGlyphs, m_tag);
}
else
{
v.Error(T.post_v2_numberOfGlyphs, E.post_E_v2_numberOfGlyphs,
m_tag, "numberOfGlyphs = " + numberOfGlyphs +
", maxp.numGlyphs = " + fontOwner.GetMaxpNumGlyphs());
bRet = false;
}
}
}
else
{
v.Info(T.post_v2_numberOfGlyphs, I.post_I_v2_numberOfGlyphs_notv2, m_tag);
}
}
if (v.PerformTest(T.post_v2_glyphNameIndex))
{
if (Version.GetUint() == 0x00020000 && GetLength() >= 34)
{
bool bIndexOk = true;
for (uint i = 0; i < numberOfGlyphs; i++)
{
if ((uint)FieldOffsetsVer2.glyphNameIndex + i * 2 + 2 <= m_bufTable.GetLength())
{
ushort index = GetGlyphNameIndex((ushort)i);
if (index - 258 >= m_nameOffsets.Length)
{
string s = "glyphNameIndex[" + i + "] = " +
index + ", # names = " + m_nameOffsets.Length;
v.Error(T.post_v2_glyphNameIndex, E.post_E_glyphNameIndex_range, m_tag, s);
bIndexOk = false;
bRet = false;
}
}
else
{
v.Warning(T.post_v2_glyphNameIndex,
W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate any more glyph indexes, index " +
i + " is past end of table");
bIndexOk = false;
break;
}
}
if (bIndexOk)
{
v.Pass(T.post_v2_glyphNameIndex, P.post_P_glyphNameIndex, m_tag);
}
}
else
{
v.Info(T.post_v2_glyphNameIndex, I.post_I_v2_glyphNameIndex_notv2, m_tag);
}
}
if (v.PerformTest(T.post_v2_names))
{
if (Version.GetUint() == 0x00020000)
{
PostNames pn = new PostNames();
bool bNamesOk = true;
byte [] buf = new byte[2];
for (uint iGlyph = 0; iGlyph < numberOfGlyphs; iGlyph++)
{
if ((uint)FieldOffsetsVer2.glyphNameIndex + iGlyph * 2 + 2
<= m_bufTable.GetLength())
{
uint index = GetGlyphNameIndex((ushort)iGlyph);
if (index >= 258 && index - 258 < m_nameOffsets.Length)
{
if (m_nameOffsets[index - 258] >= GetLength())
{
string s = "name index = " + index;
v.Error(T.post_v2_names,
E.post_E_v2_NameOffsetInvalid,
m_tag, s);
bNamesOk = false;
bRet = false;
}
else
{
uint length =
m_bufTable.GetByte(m_nameOffsets[index - 258]);
if (m_nameOffsets[index - 258] + length < GetLength())
{
bNamesOk = CheckNames(v, fontOwner, pn, iGlyph, index);
}
else
{
string s = "name index = " + index;
v.Error(T.post_v2_names, E.post_E_v2_NameLengthInvalid, m_tag, s);
bNamesOk = false;
bRet = false;
}
}
}
}
else
{
v.Warning(T.post_v2_names, W._TEST_W_OtherErrorsInTable, m_tag,
"unable to validate any more names, index " +
iGlyph + " is past end of table");
bNamesOk = false;
break;
}
}
if (bNamesOk)
{
v.Pass(T.post_v2_names, P.post_P_names, m_tag);
}
}
else
{
v.Info(T.post_v2_names, I.post_I_v2_names_notv2, m_tag);
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.PCLT_TableLength))
{
if (GetLength() == 54)
{
v.Pass(T.PCLT_TableLength, P.PCLT_P_TableLength, m_tag);
}
else
{
v.Error(T.PCLT_TableLength, E.PCLT_E_TableLength, m_tag, GetLength().ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_Version))
{
if (Version.GetUint() == 0x00010000)
{
v.Pass(T.PCLT_Version, P.PCLT_P_Version, m_tag);
}
else
{
v.Error(T.PCLT_Version, E.PCLT_E_Version, m_tag, "0x" + Version.GetUint().ToString("x8"));
bRet = false;
}
}
if (v.PerformTest(T.PCLT_Pitch))
{
Table_hmtx hmtxTable = (Table_hmtx)fontOwner.GetTable("hmtx");
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (hmtxTable == null)
{
v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "hmtx");
bRet = false;
}
else if (maxpTable == null)
{
v.Error(T.PCLT_Pitch, E._TEST_E_TableMissing, m_tag, "maxp");
bRet = false;
}
else
{
uint iSpaceGlyph = fontOwner.FastMapUnicodeToGlyphID(' ');
if (iSpaceGlyph < fontOwner.GetMaxpNumGlyphs())
{
Table_hmtx.longHorMetric hmSpace = hmtxTable.GetOrMakeHMetric(iSpaceGlyph, fontOwner);
if (hmSpace != null)
{
if (Pitch == hmSpace.advanceWidth)
{
v.Pass(T.PCLT_Pitch, P.PCLT_P_Pitch, m_tag);
}
else
{
string s = "actual = " + Pitch + ", expected = " + hmSpace.advanceWidth;
v.Error(T.PCLT_Pitch, E.PCLT_E_Pitch, m_tag, s);
bRet = false;
}
}
}
else
{
// JJF Figure out what to do
v.Warning(T.PCLT_Pitch, W._TEST_W_ErrorInAnotherTable, m_tag, "can't validate Pitch field, error getting the space glyph");
bRet = false;
}
}
}
if (v.PerformTest(T.PCLT_Style))
{
ushort Posture = (ushort)(Style & 0x0003);
ushort Width = (ushort)((Style >> 2) & 0x0007);
ushort Structure = (ushort)((Style >> 5) & 0x001f);
ushort Reserved = (ushort)(Style >> 10);
bool bBitsOk = true;
if (Posture == 3)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Posture, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Width == 5)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Width, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Structure > 17)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Structure, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (Reserved != 0)
{
v.Error(T.PCLT_Style, E.PCLT_E_Style_Reserved, m_tag, "0x" + Style.ToString("x4"));
bBitsOk = false;
bRet = false;
}
if (bBitsOk)
{
v.Pass(T.PCLT_Style, P.PCLT_P_Style, m_tag);
}
}
if (v.PerformTest(T.PCLT_StrokeWeight))
{
if (StrokeWeight >= -7 && StrokeWeight <= 7)
{
v.Pass(T.PCLT_StrokeWeight, P.PCLT_P_StrokeWeight, m_tag, StrokeWeight.ToString());
}
else
{
v.Error(T.PCLT_StrokeWeight, E.PCLT_E_StrokeWeight, m_tag, StrokeWeight.ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_WidthType))
{
if (WidthType >= -5 && WidthType <= 5)
{
v.Pass(T.PCLT_WidthType, P.PCLT_P_WidthType, m_tag, WidthType.ToString());
}
else
{
v.Error(T.PCLT_WidthType, E.PCLT_E_WidthType, m_tag, WidthType.ToString());
bRet = false;
}
}
if (v.PerformTest(T.PCLT_SerifStyle))
{
uint bot6 = (uint)SerifStyle & 0x3f;
uint top2 = (uint)SerifStyle >> 6;
bool bBitsOk = true;
if (bot6 > 12)
{
v.Error(T.PCLT_SerifStyle, E.PCLT_E_Bottom6, m_tag, "0x" + SerifStyle.ToString("x2"));
bBitsOk = false;
bRet = false;
}
if (top2 == 0 || top2 == 3)
{
v.Error(T.PCLT_SerifStyle, E.PCLT_E_Top2, m_tag);
bBitsOk = false;
bRet = false;
}
if (bBitsOk)
{
v.Pass(T.PCLT_SerifStyle, P.PCLT_P_SerifStyle, m_tag);
}
}
if (v.PerformTest(T.PCLT_Reserved))
{
if (Reserved == 0)
{
v.Pass(T.PCLT_Reserved, P.PCLT_P_Reserved, m_tag);
}
else
{
v.Error(T.PCLT_Reserved, E.PCLT_E_Reserved, m_tag, Reserved.ToString());
bRet = false;
}
}
return(bRet);
}
/************************
* public methods
*/
public bool Validate(Validator v, OTFontVal fontOwner)
{
bool bRet = true;
if (v.PerformTest(T.LTSH_version))
{
if (version == 0)
{
v.Pass(T.LTSH_version, P.LTSH_P_version, m_tag);
}
else
{
v.Error(T.LTSH_version, E.LTSH_E_version, m_tag, version.ToString());
bRet = false;
}
}
Table_maxp maxpTable = (Table_maxp)fontOwner.GetTable("maxp");
if (maxpTable == null)
{
v.Error(T.T_NULL, E._TEST_E_TableMissing, m_tag, "Unable to test this table, maxp table is invalid or missing");
return(false);
}
if (v.PerformTest(T.LTSH_numGlyphs))
{
if (numGlyphs == fontOwner.GetMaxpNumGlyphs())
{
v.Pass(T.LTSH_numGlyphs, P.LTSH_P_numGlyphs, m_tag);
}
else
{
string s = "LTSH.numGlyphs = " + numGlyphs + ", maxp.numGlyphs = " + fontOwner.GetMaxpNumGlyphs();
v.Error(T.LTSH_numGlyphs, E.LTSH_E_numGlyphs, m_tag, s);
bRet = false;
}
}
if (v.PerformTest(T.LTSH_TableLength))
{
uint CalcLength = (uint)FieldOffsets.yPels + numGlyphs;
if (GetLength() == CalcLength)
{
v.Pass(T.LTSH_TableLength, P.LTSH_P_TableLength, m_tag);
}
else
{
string s = "calc length = " + CalcLength + ", actual length = " + GetLength();
v.Error(T.LTSH_TableLength, E.LTSH_E_TableLength, m_tag, s);
bRet = false;
}
}
if (v.PerformTest(T.LTSH_yPels))
{
bool bYPelsOk = true;
RasterInterf.DevMetricsData dmd = null;
try
{
Version ver = fontOwner.GetFile().GetRasterizer().FTVersion;
if (ver.CompareTo(new Version(2, 6, 1)) < 0)
{
v.Warning(T.LTSH_yPels, W.LTSH_W_Need_Newer_FreeType, m_tag,
"Using FreeType Version " + ver + " may not get correct results for LTSH");
}
dmd = fontOwner.GetCalculatedDevMetrics();
}
catch (Exception e)
{
v.ApplicationError(T.LTSH_yPels, E._Table_E_Exception, m_tag, e.Message);
bRet = false;
}
if (dmd != null)
{
for (uint iGlyphIndex = 0; iGlyphIndex < numGlyphs; iGlyphIndex++)
{
if (iGlyphIndex >= fontOwner.GetMaxpNumGlyphs())
{
// JJF. Figure out what to do
v.Warning(T.LTSH_yPels, W._TEST_W_OtherErrorsInTable, m_tag, "can't test all yPel values, LTSH.numGlyphs does not equal maxp.numGlyphs");
bRet = false;
bYPelsOk = false;
break;
}
if (GetYPel(iGlyphIndex) != dmd.ltshData.yPels[iGlyphIndex])
{
String sDetails = "glyph# = " + iGlyphIndex + ", value = " + GetYPel(iGlyphIndex) + ", calculated value = " + dmd.ltshData.yPels[iGlyphIndex];
v.Error(T.LTSH_yPels, E.LTSH_E_yPels, m_tag, sDetails);
bRet = false;
bYPelsOk = false;
}
/*
* else
* {
* String sDetails = "glyph# = " + iGlyphIndex + ", value = " + GetYPel(iGlyphIndex);
* v.DebugMsg("yPel value OK! " + sDetails, m_tag);
* }
*/
if (GetYPel(iGlyphIndex) == 0)
{
String sDetails = "glyph# = " + iGlyphIndex;
v.Warning(T.LTSH_yPels, W.LTSH_W_yPels_zero, m_tag, sDetails);
}
}
if (bYPelsOk)
{
v.Pass(T.LTSH_yPels, P.LTSH_P_yPels, 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.LTSH_yPels, E._Table_E_Exception, m_tag, e.Message);
}
Debug.Assert(sDetails != null);
v.Error(T.LTSH_yPels, E.LTSH_E_Rasterizer, m_tag, sDetails);
bRet = false;
}
}
}
return(bRet);
}
