public uint GetNumLeftSideBearingEntries(OTFont fontOwner)
{
uint nhm = GetNumberOfHMetrics(fontOwner);
uint numGlyphs = fontOwner.GetMaxpNumGlyphs();
return(numGlyphs - nhm);
}
public header GetGlyphHeader(uint iGlyph, OTFont fontOwner)
{
if (iGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ArgumentOutOfRangeException("iGlyph");
}
header h = null;
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
int offsGlyph, length;
if (locaTable.GetEntryGlyf((int)iGlyph,
out offsGlyph, out length, fontOwner))
{
if (length != 0)
{
h = new header((uint)offsGlyph, m_bufTable);
}
}
}
return(h);
}
public uint GetGlyphInfoOffset(uint iGlyph, OTFont fontOwner)
{
if (iGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ArgumentOutOfRangeException("iGlyph");
}
return(m_bufTable.GetUint((uint)FieldOffsets.offsets + iGlyph * 4));
}
/************************
* accessors
*/
public vMetric GetVMetric(uint i, OTFont fontOwner)
{
vMetric vm = new vMetric();
m_nLongVerMetrics = (ushort)GetNumOfLongVerMetrics(fontOwner);
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
if( i >= m_nGlyphsInTheFont )
{
throw new ArgumentOutOfRangeException();
}
vm = GetVMetric( i );
return vm;
}
/************************
* accessors
*/
public vMetric GetVMetric(uint i, OTFont fontOwner)
{
vMetric vm = new vMetric();
m_nLongVerMetrics = (ushort)GetNumOfLongVerMetrics(fontOwner);
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
if (i >= m_nGlyphsInTheFont)
{
throw new ArgumentOutOfRangeException();
}
vm = GetVMetric(i);
return(vm);
}
// constructor
public glyf_cache(Table_glyf OwnerTable, OTFont OwnerFont)
{
m_arrGlyphs = new ArrayList();
// get each glyph from the glyf table
for (uint iGlyph = 0; iGlyph < OwnerFont.GetMaxpNumGlyphs(); iGlyph++)
{
header h = OwnerTable.GetGlyphHeader(iGlyph, OwnerFont);
if (h == null)
{
m_arrGlyphs.Add(null);
}
else
{
glyph_base gb = GetGlyphLogicalData(h);
m_arrGlyphs.Add(gb);
}
}
}
public longHorMetric GetOrMakeHMetric(uint i, OTFont fontOwner)
{
longHorMetric hm = null;
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
m_nNumberOfHMetrics = GetNumberOfHMetrics(fontOwner);
uint nlsb = GetNumLeftSideBearingEntries(fontOwner);
uint CalcTableLength = (uint)m_nNumberOfHMetrics*4 + nlsb*2;
if( i >= m_nGlyphsInTheFont )
{
throw new ArgumentOutOfRangeException();
}
// only try to parse out the data if the table length is correct
if (CalcTableLength == GetLength())
{
hm = GetOrMakeHMetric( i );
}
return hm;
}
public longHorMetric GetOrMakeHMetric(uint i, OTFont fontOwner)
{
longHorMetric hm = null;
m_nGlyphsInTheFont = fontOwner.GetMaxpNumGlyphs();
m_nNumberOfHMetrics = GetNumberOfHMetrics(fontOwner);
uint nlsb = GetNumLeftSideBearingEntries(fontOwner);
uint CalcTableLength = (uint)m_nNumberOfHMetrics * 4 + nlsb * 2;
if (i >= m_nGlyphsInTheFont)
{
throw new ArgumentOutOfRangeException();
}
// only try to parse out the data if the table length is correct
if (CalcTableLength == GetLength())
{
hm = GetOrMakeHMetric(i);
}
return(hm);
}
// constructor
public glyf_cache(Table_glyf OwnerTable, OTFont OwnerFont)
{
m_arrGlyphs = new ArrayList();
// get each glyph from the glyf table
for (uint iGlyph=0; iGlyph<OwnerFont.GetMaxpNumGlyphs(); iGlyph++)
{
header h = OwnerTable.GetGlyphHeader(iGlyph, OwnerFont);
if (h == null)
{
m_arrGlyphs.Add(null);
}
else
{
glyph_base gb = GetGlyphLogicalData(h);
m_arrGlyphs.Add(gb);
}
}
}
public header GetGlyphHeader(uint iGlyph, OTFont fontOwner)
{
if (iGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ArgumentOutOfRangeException("iGlyph");
}
header h = null;
Table_loca locaTable = (Table_loca)fontOwner.GetTable("loca");
if (locaTable != null)
{
int offsGlyph, length;
if (locaTable.GetEntryGlyf((int)iGlyph,
out offsGlyph, out length, fontOwner))
{
if (length!=0)
{
h = new header((uint)offsGlyph, m_bufTable);
}
}
}
return h;
}
public uint GetNumLeftSideBearingEntries(OTFont fontOwner)
{
uint nhm = GetNumberOfHMetrics(fontOwner);
uint numGlyphs = fontOwner.GetMaxpNumGlyphs();
return numGlyphs - nhm;
}
public uint GetGlyphInfoOffset(uint iGlyph, OTFont fontOwner)
{
if (iGlyph >= fontOwner.GetMaxpNumGlyphs())
{
throw new ArgumentOutOfRangeException("iGlyph");
}
return m_bufTable.GetUint((uint)FieldOffsets.offsets + iGlyph*4);
}