//-------------------------------------------------------
//experiment
internal void LoadOpenFontLayoutInfo(GDEF gdefTable, GSUB gsubTable, GPOS gposTable, BASE baseTable, COLR colrTable, CPAL cpalTable)
{
//***
this.GDEFTable = gdefTable;
this.GSUBTable = gsubTable;
this.GPOSTable = gposTable;
this.BaseTable = baseTable;
this.COLRTable = colrTable;
this.CPALTable = cpalTable;
//---------------------------
//1. fill glyph definition
if (gdefTable != null)
{
gdefTable.FillGlyphData(this.Glyphs);
//if (this.Glyphs != null)
//{
//}
//else if (_cffTable != null)
//{
// //post script outline
// //TODO: fill gdef for cff font
//}
}
}
void GDEF_PSET(GDEF pdef, int xmin, int xmax, int xtic, int ymin, int ymax, int ytic)
{
pdef.xmin = xmin;
pdef.xmax = xmax;
pdef.ymin = ymin;
pdef.ymax = ymax;
pdef.xtic = xtic;
pdef.ytic = ytic;
//---
pdef.xwid = xmax-xmin;
pdef.yhei = ymax-ymin;
}
//-------------------------------------------------------
//experiment
internal void LoadOpenFontLayoutInfo(GDEF gdefTable, GSUB gsubTable, GPOS gposTable, BASE baseTable)
{
//***
this.GDEFTable = gdefTable;
this.GSUBTable = gsubTable;
this.GPOSTable = gposTable;
this.BaseTable = baseTable;
//---------------------------
//1. fill glyph definition
if (gdefTable != null)
{
gdefTable.FillGlyphData(this.Glyphs);
}
}
void GDEF_INIT(GDEF pdef, int bitLBL, Control pWnd, ref Rectangle poff)
{
RECT rt = new RECT(pWnd.Bounds);
//pWnd.GetWindowRect(&rt);
rt.Offset(-rt.Left, -rt.Top);//(0,0)基準にする
pdef.rt_cl = rt;
//---
rt.Top += 5;
rt.Bottom -= 7;
rt.Left += 5;
rt.Right -= 5;
if ((bitLBL & 1) != 0) {
//X軸にラベル表示
rt.Bottom -= 8;
rt.Right -= 7;
}
if ((bitLBL & 2) != 0) {
//Y軸にラベル表示
rt.Left += 16;//+7:符号があるとき
rt.Top += 1;
}
if (poff != null) {
rt.Top += poff.Top;
rt.Bottom += poff.Bottom;
rt.Left += poff.Left;
rt.Right += poff.Right;
}
//---
pdef.rt_gr = rt;
//---
pdef.rt_wid = rt.Width();
pdef.rt_hei = rt.Height();
//---
pdef.bitLBL = bitLBL;
}
internal Typeface ReadTableEntryCollection(TableEntryCollection tables, BinaryReader input)
{
OS2Table os2Table = ReadTableIfExists(tables, input, new OS2Table());
NameEntry nameEntry = ReadTableIfExists(tables, input, new NameEntry());
Head header = ReadTableIfExists(tables, input, new Head());
MaxProfile maximumProfile = ReadTableIfExists(tables, input, new MaxProfile());
HorizontalHeader horizontalHeader = ReadTableIfExists(tables, input, new HorizontalHeader());
HorizontalMetrics horizontalMetrics = ReadTableIfExists(tables, input, new HorizontalMetrics(horizontalHeader.HorizontalMetricsCount, maximumProfile.GlyphCount));
//---
PostTable postTable = ReadTableIfExists(tables, input, new PostTable());
CFFTable ccf = ReadTableIfExists(tables, input, new CFFTable());
//--------------
Cmap cmaps = ReadTableIfExists(tables, input, new Cmap());
GlyphLocations glyphLocations = ReadTableIfExists(tables, input, new GlyphLocations(maximumProfile.GlyphCount, header.WideGlyphLocations));
Glyf glyf = ReadTableIfExists(tables, input, new Glyf(glyphLocations));
//--------------
Gasp gaspTable = ReadTableIfExists(tables, input, new Gasp());
VerticalDeviceMetrics vdmx = ReadTableIfExists(tables, input, new VerticalDeviceMetrics());
//--------------
Kern kern = ReadTableIfExists(tables, input, new Kern());
//--------------
//advanced typography
GDEF gdef = ReadTableIfExists(tables, input, new GDEF());
GSUB gsub = ReadTableIfExists(tables, input, new GSUB());
GPOS gpos = ReadTableIfExists(tables, input, new GPOS());
BASE baseTable = ReadTableIfExists(tables, input, new BASE());
COLR colr = ReadTableIfExists(tables, input, new COLR());
CPAL cpal = ReadTableIfExists(tables, input, new CPAL());
VerticalHeader vhea = ReadTableIfExists(tables, input, new VerticalHeader());
if (vhea != null)
{
VerticalMetrics vmtx = ReadTableIfExists(tables, input, new VerticalMetrics(vhea.NumOfLongVerMetrics));
}
//test math table
MathTable mathtable = ReadTableIfExists(tables, input, new MathTable());
EBLCTable fontBmpTable = ReadTableIfExists(tables, input, new EBLCTable());
//---------------------------------------------
//about truetype instruction init
//---------------------------------------------
Typeface typeface = null;
bool isPostScriptOutline = false;
if (glyf == null)
{
//check if this is cff table ?
if (ccf == null)
{
//TODO: review here
throw new NotSupportedException();
}
//...
//PostScript outline font
isPostScriptOutline = true;
typeface = new Typeface(
nameEntry,
header.Bounds,
header.UnitsPerEm,
ccf,
horizontalMetrics,
os2Table);
}
else
{
typeface = new Typeface(
nameEntry,
header.Bounds,
header.UnitsPerEm,
glyf.Glyphs,
horizontalMetrics,
os2Table);
}
//----------------------------
typeface.CmapTable = cmaps;
typeface.KernTable = kern;
typeface.GaspTable = gaspTable;
typeface.MaxProfile = maximumProfile;
typeface.HheaTable = horizontalHeader;
//----------------------------
if (!isPostScriptOutline)
{
FpgmTable fpgmTable = ReadTableIfExists(tables, input, new FpgmTable());
//control values table
CvtTable cvtTable = ReadTableIfExists(tables, input, new CvtTable());
if (cvtTable != null)
{
typeface.ControlValues = cvtTable._controlValues;
}
if (fpgmTable != null)
{
typeface.FpgmProgramBuffer = fpgmTable._programBuffer;
}
PrepTable propProgramTable = ReadTableIfExists(tables, input, new PrepTable());
if (propProgramTable != null)
{
typeface.PrepProgramBuffer = propProgramTable._programBuffer;
}
}
//-------------------------
typeface.LoadOpenFontLayoutInfo(
gdef,
gsub,
gpos,
baseTable,
colr,
cpal);
//------------
//test
{
SvgTable svgTable = ReadTableIfExists(tables, input, new SvgTable());
if (svgTable != null)
{
typeface._svgTable = svgTable;
}
}
typeface.PostTable = postTable;
if (mathtable != null)
{
var mathGlyphLoader = new MathGlyphLoader();
mathGlyphLoader.LoadMathGlyph(typeface, mathtable);
}
#if DEBUG
//test
//int found = typeface.GetGlyphIndexByName("Uacute");
if (typeface.IsCffFont)
{
//optional
typeface.UpdateAllCffGlyphBounds();
}
#endif
return(typeface);
}
public TtfTypeface Read(Stream stream, ReadFlags readFlags = ReadFlags.Full)
{
var little = BitConverter.IsLittleEndian;
using (var input = new ByteOrderSwappingBinaryReader(stream))
{
ushort majorVersion = input.ReadUInt16();
ushort minorVersion = input.ReadUInt16();
ushort tableCount = input.ReadUInt16();
ushort searchRange = input.ReadUInt16();
ushort entrySelector = input.ReadUInt16();
ushort rangeShift = input.ReadUInt16();
var tables = new TableEntryCollection();
for (int i = 0; i < tableCount; i++)
{
tables.AddEntry(new UnreadTableEntry(ReadTableHeader(input)));
}
//------------------------------------------------------------------
OS2Table os2Table = ReadTableIfExists(tables, input, new OS2Table());
NameEntry nameEntry = ReadTableIfExists(tables, input, new NameEntry());
Head header = ReadTableIfExists(tables, input, new Head());
MaxProfile maximumProfile = ReadTableIfExists(tables, input, new MaxProfile());
HorizontalHeader horizontalHeader = ReadTableIfExists(tables, input, new HorizontalHeader());
HorizontalMetrics horizontalMetrics = ReadTableIfExists(tables, input, new HorizontalMetrics(horizontalHeader.HorizontalMetricsCount, maximumProfile.GlyphCount));
//--------------
Cmap cmaps = ReadTableIfExists(tables, input, new Cmap());
GlyphLocations glyphLocations = ReadTableIfExists(tables, input, new GlyphLocations(maximumProfile.GlyphCount, header.WideGlyphLocations));
Glyf glyf = ReadTableIfExists(tables, input, new Glyf(glyphLocations));
//--------------
Gasp gaspTable = ReadTableIfExists(tables, input, new Gasp());
VerticalDeviceMetrics vdmx = ReadTableIfExists(tables, input, new VerticalDeviceMetrics());
//--------------
PostTable postTable = ReadTableIfExists(tables, input, new PostTable());
Kern kern = ReadTableIfExists(tables, input, new Kern());
//--------------
//advanced typography
GDEF gdef = ReadTableIfExists(tables, input, new GDEF());
GSUB gsub = ReadTableIfExists(tables, input, new GSUB());
GPOS gpos = ReadTableIfExists(tables, input, new GPOS());
BASE baseTable = ReadTableIfExists(tables, input, new BASE());
COLR colr = ReadTableIfExists(tables, input, new COLR());
CPAL cpal = ReadTableIfExists(tables, input, new CPAL());
VerticalHeader vhea = ReadTableIfExists(tables, input, new VerticalHeader());
if (vhea != null)
{
VerticalMatric vmtx = ReadTableIfExists(tables, input, new VerticalMatric(vhea.NumOfLongVerMetrics));
}
EBLCTable fontBmpTable = ReadTableIfExists(tables, input, new EBLCTable());
//---------------------------------------------
//about truetype instruction init
//---------------------------------------------
var typeface = new TtfTypeface(
nameEntry,
header.Bounds,
header.UnitsPerEm,
glyf.Glyphs,
horizontalMetrics,
os2Table);
//----------------------------
typeface.CmapTable = cmaps;
typeface.KernTable = kern;
typeface.GaspTable = gaspTable;
typeface.MaxProfile = maximumProfile;
typeface.HheaTable = horizontalHeader;
//----------------------------
FpgmTable fpgmTable = ReadTableIfExists(tables, input, new FpgmTable());
//control values table
CvtTable cvtTable = ReadTableIfExists(tables, input, new CvtTable());
if (cvtTable != null)
{
typeface.ControlValues = cvtTable.controlValues;
}
if (fpgmTable != null)
{
typeface.FpgmProgramBuffer = fpgmTable.programBuffer;
}
PrepTable propProgramTable = ReadTableIfExists(tables, input, new PrepTable());
if (propProgramTable != null)
{
typeface.PrepProgramBuffer = propProgramTable.programBuffer;
}
//-------------------------
typeface.LoadOpenFontLayoutInfo(
gdef,
gsub,
gpos,
baseTable,
colr,
cpal);
return(typeface);
}
}
void GDEF_GRID(GDEF pdef, Graphics pDC)
{
//CPen* old_pen = (CPen*)pDC.SelectStockObject(BLACK_PEN);
//CFont* old_fnt = (CFont*)pDC.SelectObject(GET_FONT(6));
Font fnt = new Font(
RECT rt;
string fmt, buf;
bool bZERO;
bool bMAXMIN;
// double ep=0.1;
int dot, tmp;
const
int SLEN=3;
#if true//2015.07.24
Brush brs = new SolidBrush(Color.FromArgb(224,224,224));
pDC.FillRectangle(brs, 0, 0, pdef.rt_cl.Right-2, pdef.rt_cl.Bottom-2);//, RGB(224,224,224));
#else
pDC.FillSolidRect(&pdef.rt_cl, RGB(224,224,224));
#endif
pDC.FillRectangle(Brushes.White, pdef.rt_gr.Left, pdef.rt_gr.Top, pdef.rt_gr.Width(), pdef.rt_gr.Height());
Draw4Edge(pDC, Pens.Black, pdef.rt_gr);
//--------------------------------
rt = pdef.rt_gr;
rt.Right = rt.Left-SLEN+1;
rt.Left = rt.Right-100;
//Y軸のめもり描画
EnumGridFirst(pdef.ymax, pdef.ymin, pdef.ytic, pdef.rt_hei, ref fmt, /*bALIGN=*/false);
while (EnumGridNext(ref dot, ref buf, ref bZERO, 0.1, ref bMAXMIN)) {
tmp = pdef.rt_gr.Bottom - dot;
rt.Top = tmp - 300;
rt.Bottom = tmp + 300;
// pDC.SelectObject(&rpen);//太
pDC.DrawLine(Pens.Black, pdef.rt_gr.Left , tmp, pdef.rt_gr.Left-SLEN, tmp);
if ((pdef.bitLBL & 2) != 0) {
pDC.DrawString(buf,
pDC.DrawText(buf, -1, &rt, DT_SINGLELINE|DT_RIGHT|DT_VCENTER);
}
if (bMAXMIN) {
continue;
}
if (false) {
pDC.DrawLine(Pens.Black, pdef.rt_gr.Left , tmp, pdef.rt_gr.Right, tmp);
}
}
//Ｘ軸のめもり描画
//--------------------------------
rt = pdef.rt_gr;
rt.Top = rt.Bottom+SLEN;
rt.Bottom = rt.Top + 100;
//--------------------------------
if (true) {
// int d;
//@@@ bool bZERO, bMAXMIN;
EnumGridFirst(pdef.xmax, pdef.xmin, pdef.xtic, pdef.rt_wid, ref fmt, /*bALIGN=*/false);
while (EnumGridNext(ref dot, ref buf, ref bZERO, 0.1, ref bMAXMIN)) {
tmp = pdef.rt_gr.Left + dot;
rt.Left = tmp - 500;
rt.Right = tmp + 500;
// pDC.SelectObject(&rpen);//太
pDC.DrawLine(Pens.Black, tmp, pdef.rt_gr.Bottom, tmp, pdef.rt_gr.Bottom+SLEN);
if ((pdef.bitLBL & 1) != 0) {
pDC.DrawText(buf, -1, &rt, DT_SINGLELINE|DT_CENTER|DT_TOP);
}
if (bMAXMIN) {
continue;
}
//if (!bZERO) {
//pDC.SelectObject(&gpen);//細
//}
if (false) {
pDC.DrawLine(Pens.Black, tmp, pdef.rt_gr.Top, tmp, pdef.rt_gr.Bottom);
}
}
}
//pDC.SelectObject(old_fnt);
//pDC.SelectObject(old_pen);
}
int GDEF_YPOS(GDEF pdef, double f)
{
int y;
y = (int)(pdef.rt_gr.Bottom - pdef.rt_hei * (f-pdef.ymin)/(pdef.yhei));
return(y);
}
int GDEF_XPOS(GDEF pdef, double f)
{
int x;
x = (int)(pdef.rt_gr.Left + pdef.rt_wid * (f-pdef.xmin)/(pdef.xwid));
return(x);
}
internal bool ReadTableEntryCollection(Typeface typeface, RestoreTicket ticket, TableEntryCollection tables, BinaryReader input)
{
if (ticket != null)
{
return(ReadTableEntryCollectionOnRestoreMode(typeface, ticket, tables, input));
}
typeface.SetTableEntryCollection(tables.CloneTableHeaders());
var rd = new EntriesReaderHelper(tables, input);
//PART 1: basic information
OS2Table os2Table = rd.Read(new OS2Table());
Meta meta = rd.Read(new Meta());
NameEntry nameEntry = rd.Read(new NameEntry());
Head head = rd.Read(new Head());
MaxProfile maxProfile = rd.Read(new MaxProfile());
HorizontalHeader horizontalHeader = rd.Read(new HorizontalHeader());
HorizontalMetrics horizontalMetrics = rd.Read(new HorizontalMetrics(horizontalHeader.NumberOfHMetrics, maxProfile.GlyphCount));
VerticalHeader vhea = rd.Read(new VerticalHeader());
if (vhea != null)
{
VerticalMetrics vmtx = rd.Read(new VerticalMetrics(vhea.NumOfLongVerMetrics));
}
Cmap cmaps = rd.Read(new Cmap());
VerticalDeviceMetrics vdmx = rd.Read(new VerticalDeviceMetrics());
Kern kern = rd.Read(new Kern());
//------------------------------------
//PART 2: glyphs detail
//2.1 True type font
GlyphLocations glyphLocations = rd.Read(new GlyphLocations(maxProfile.GlyphCount, head.WideGlyphLocations));
Glyf glyf = rd.Read(new Glyf(glyphLocations));
Gasp gaspTable = rd.Read(new Gasp());
COLR colr = rd.Read(new COLR());
CPAL cpal = rd.Read(new CPAL());
//2.2 Cff font
PostTable postTable = rd.Read(new PostTable());
CFFTable cff = rd.Read(new CFFTable());
//additional math table (if available)
MathTable mathtable = rd.Read(new MathTable());
//------------------------------------
//PART 3: advanced typography
GDEF gdef = rd.Read(new GDEF());
GSUB gsub = rd.Read(new GSUB());
GPOS gpos = rd.Read(new GPOS());
BASE baseTable = rd.Read(new BASE());
JSTF jstf = rd.Read(new JSTF());
STAT stat = rd.Read(new STAT());
if (stat != null)
{
//variable font
FVar fvar = rd.Read(new FVar());
if (fvar != null)
{
GVar gvar = rd.Read(new GVar());
CVar cvar = rd.Read(new CVar());
HVar hvar = rd.Read(new HVar());
MVar mvar = rd.Read(new MVar());
AVar avar = rd.Read(new AVar());
}
}
bool isPostScriptOutline = false;
bool isBitmapFont = false;
typeface.SetBasicTypefaceTables(os2Table, nameEntry, head, horizontalMetrics);
if (glyf == null)
{
//check if this is cff table ?
if (cff == null)
{
//check cbdt/cblc ?
CBLC cblcTable = rd.Read(new CBLC());
if (cblcTable != null)
{
CBDT cbdtTable = rd.Read(new CBDT());
//read cbdt
//bitmap font
BitmapFontGlyphSource bmpFontGlyphSrc = new BitmapFontGlyphSource(cblcTable);
bmpFontGlyphSrc.LoadCBDT(cbdtTable);
Glyph[] glyphs = bmpFontGlyphSrc.BuildGlyphList();
typeface.SetBitmapGlyphs(glyphs, bmpFontGlyphSrc);
isBitmapFont = true;
}
else
{
//TODO:
EBLC fontBmpTable = rd.Read(new EBLC());
throw new NotSupportedException();
}
}
else
{
isPostScriptOutline = true;
typeface.SetCffFontSet(cff.Cff1FontSet);
}
}
else
{
typeface.SetTtfGlyphs(glyf.Glyphs);
}
//----------------------------
typeface.CmapTable = cmaps;
typeface.KernTable = kern;
typeface.MaxProfile = maxProfile;
typeface.HheaTable = horizontalHeader;
//----------------------------
typeface.GaspTable = gaspTable;
if (!isPostScriptOutline && !isBitmapFont)
{
//for true-type font outline
FpgmTable fpgmTable = rd.Read(new FpgmTable());
//control values table
CvtTable cvtTable = rd.Read(new CvtTable());
PrepTable propProgramTable = rd.Read(new PrepTable());
typeface.ControlValues = cvtTable?._controlValues;
typeface.FpgmProgramBuffer = fpgmTable?._programBuffer;
typeface.PrepProgramBuffer = propProgramTable?._programBuffer;
}
//-------------------------
typeface.LoadOpenFontLayoutInfo(
gdef,
gsub,
gpos,
baseTable,
colr,
cpal);
//------------
typeface.SetSvgTable(rd.Read(new SvgTable()));
typeface.PostTable = postTable;
if (mathtable != null)
{
MathGlyphLoader.LoadMathGlyph(typeface, mathtable);
}
#if DEBUG
//test
//int found = typeface.GetGlyphIndexByName("Uacute");
if (typeface.IsCffFont)
{
//optional
typeface.UpdateAllCffGlyphBounds();
}
#endif
typeface.UpdateLangs(meta);
typeface.UpdateFrequentlyUsedValues();
return(true);
}
