void ShowSupportedScripts(InstalledTypeface installedTypeface)
{
//show supported lang
lstScriptLangs.Items.Clear();
Dictionary <string, ScriptLang> dic = new Dictionary <string, ScriptLang>();
installedTypeface.CollectScriptLang(dic);
foreach (var kv in dic)
{
ScriptLang s = kv.Value;
if (s.sysLangTag != 0 && LanguageSystemNames.TryGetLangSystem(s.GetScriptTagString(), out LangSys found))
{
}
else
{
}
lstScriptLangs.Items.Add(s);
}
lstSupportedUnicodeLangs.Items.Clear();
foreach (BitposAndAssciatedUnicodeRanges bitposAndUnicodeRanges in installedTypeface.GetSupportedUnicodeLangIter())
{
lstSupportedUnicodeLangs.Items.Add(bitposAndUnicodeRanges.ToString());
}
}
public Typeface GetTypeface(string name, TypefaceStyle installedFontStyle)
{
InstalledTypeface inst = _installedTypefaceCollection.GetInstalledTypeface(name, InstalledTypefaceCollection.GetSubFam(installedFontStyle));
if (inst != null)
{
return(typefaceStore.GetTypeface(inst));
}
return(null);
}
void ChangeSelectedTypeface(InstalledTypeface typeface)
{
if (typeface == null)
{
return;
}
//
_options.InstalledTypeface = typeface;
_options.InvokeAttachEvents();
_txtTypefaceInfo.Text = "file: " + typeface.FontPath + "\r\n" + "weight:" + typeface.Weight;
}
void SetupFontList()
{
InstalledTypeface selectedInstalledTypeface = null;
int selected_index = 0;
int ffcount = 0;
bool found = false;
var tempList = new System.Collections.Generic.List <InstalledTypeface>();
tempList.AddRange(_options.GetInstalledTypefaceIter());
tempList.Sort((f1, f2) => f1.ToString().CompareTo(f2.ToString()));
//add to list and find default font
string defaultFont = "Tahoma";
//string defaultFont = "Alef"; //test hebrew
//string defaultFont = "Century";
foreach (InstalledTypeface installedTypeface in tempList)
{
if (!found && installedTypeface.FontName == defaultFont)
{
selectedInstalledTypeface = installedTypeface;
selected_index = ffcount;
_options.InstalledTypeface = installedTypeface;
found = true;
}
lstFontList.Items.Add(installedTypeface);
ffcount++;
}
//set default font for current text printer
//
if (selected_index < 0)
{
selected_index = 0;
}
lstFontList.SelectedIndex = selected_index;
lstFontList.SelectedIndexChanged += (s, e) =>
{
InstalledTypeface ff = lstFontList.SelectedItem as InstalledTypeface;
if (ff != null)
{
_options.InstalledTypeface = ff;
_options.InvokeAttachEvents();
}
};
}
public WinGdiFontFace(RequestFont f)
{
_style = f.Style;
//resolve
InstalledTypeface foundInstalledFont = s_installedTypefaceProvider.GetInstalledTypeface(f.Name, _style.ConvToInstalledFontStyle());
//TODO: review
if (foundInstalledFont == null)
{
//not found
}
_nopenTypeFontFace = OpenFontLoader.LoadFont(foundInstalledFont.FontPath);
}
void ChangeSelectedTypeface(InstalledTypeface installedTypeface)
{
if (installedTypeface == null)
{
return;
}
//
_options.InstalledTypeface = installedTypeface;
_options.InvokeAttachEvents();
_txtTypefaceInfo.Text = "file: " + installedTypeface.FontPath + "\r\n" + "weight:" + installedTypeface.WeightClass;
//
ShowSupportedScripts(installedTypeface);
}
public static Typeface ResolveTypefaceFromFile(this InstalledTypefaceCollection fontCollection, string filename)
{
//from user input typeface filename
bool enable_absPath = false; //enable abs path or not
#if DEBUG
enable_absPath = true;//in debug mode
#endif
//TODO: review here again!!!
if (!fontCollection._installedTypefacesByFilenames.TryGetValue(filename, out InstalledTypeface found))
{
if (!enable_absPath && Path.IsPathRooted(filename))
{
return(null);//***
}
//search for a file
if (File.Exists(filename))
{
//TODO: handle duplicated font!!
//try read this
InstalledTypeface instTypeface;
using (FileStream fs = new FileStream(filename, FileMode.Open))
{
OpenFontReader reader = new OpenFontReader();
Typeface typeface = reader.Read(fs);
//
OpenFont.Extensions.TypefaceExtensions.SetCustomTypefaceKey(
typeface,
TinyCRC32Calculator.CalculateCrc32(typeface.Name.ToUpper()));
instTypeface = new InstalledTypeface(typeface, filename);
fontCollection._installedTypefacesByFilenames.Add(filename, instTypeface);
return(instTypeface.ResolvedTypeface = typeface);//assign and return
}
}
}
else
{
//found inst type
return(ResolveTypeface(fontCollection, found));
}
return(null);
}
protected override void OnReadyForInitGLShaderProgram()
{
InstalledTypefaceCollection collection = new InstalledTypefaceCollection();
collection.LoadSystemFonts();
InstalledTypeface tahomaFont = collection.GetInstalledTypeface("tahoma", TypefaceStyle.Regular);
FontFace tahomaFace = OpenFontLoader.LoadFont(tahomaFont.FontPath);
ActualFont actualFont = tahomaFace.GetFontAtPointSize(72);
FontGlyph glyph = (FontGlyph)actualFont.GetGlyph('K');
_glyph_vx = _painter.CreateRenderVx(_tempSnap1 = glyph.flattenVxs);
_linearGrBrush2 = new LinearGradientBrush(
new PointF(0, 0), new PointF(100, 100),
Color.Red, Color.Black);
}
internal static SkiaSharp.SKTypeface GetInstalledFont(string typefaceName)
{
InstalledTypeface installedFont = s_installedTypefaceProvider.GetInstalledTypeface(typefaceName, Typography.FontManagement.TypefaceStyle.Regular);
if (installedFont == null)
{
return(null);
}
else
{
SkiaSharp.SKTypeface loadedTypeFace;
if (!skTypeFaces.TryGetValue(installedFont, out loadedTypeFace))
{
loadedTypeFace = SkiaSharp.SKTypeface.FromFile(installedFont.FontPath);
skTypeFaces.Add(installedFont, loadedTypeFace);
}
return(loadedTypeFace);
}
}
Typeface GetTypefaceOrCreateNew(InstalledTypeface installedFont)
{
//load
//check if we have create this typeface or not
Typeface typeface;
if (!_loadedTypefaces.TryGetValue(installedFont, out typeface))
{
//TODO: review how to load font here
using (var fs = new FileStream(installedFont.FontPath, FileMode.Open, FileAccess.Read))
{
var reader = new OpenFontReader();
typeface = reader.Read(fs);
typeface.Filename = installedFont.FontPath;
}
return(_loadedTypefaces[installedFont] = typeface);
}
return(typeface);
}
void SetupFontList()
{
InstalledTypeface selectedInstalledTypeface = null;
int selected_index = 0;
int ffcount = 0;
bool found = false;
string defaultFont = "Tahoma";
//string defaultFont = "Alef"; //test hebrew
//string defaultFont = "Century";
foreach (InstalledTypeface installedTypeface in _options.GetInstalledTypefaceIter())
{
if (!found && installedTypeface.FontName == defaultFont)
{
selectedInstalledTypeface = installedTypeface;
selected_index = ffcount;
_options.InstalledTypeface = installedTypeface;
found = true;
}
lstFontList.Items.Add(installedTypeface);
ffcount++;
}
//set default font for current text printer
//
if (selected_index < 0)
{
selected_index = 0;
}
lstFontList.SelectedIndex = selected_index;
lstFontList.SelectedIndexChanged += (s, e) =>
{
InstalledTypeface ff = lstFontList.SelectedItem as InstalledTypeface;
if (ff != null)
{
_options.InstalledTypeface = ff;
_options.InvokeAttachEvents();
}
};
}
public Typeface GetTypeface(InstalledTypeface installedFont)
{
return(GetTypefaceOrCreateNew(installedFont));
}
public static IEnumerable <BitposAndAssciatedUnicodeRanges> GetSupportedUnicodeLangIter(this InstalledTypeface instTypeface)
{
//check all 0-125 bits
for (int i = 0; i <= OpenFontBitPosInfo.MAX_BITPOS; ++i)
{
if (instTypeface.DoesSupportUnicode(i))
{
yield return(OpenFontBitPosInfo.GetUnicodeRanges(i));
}
}
}
public Form1()
{
InitializeComponent();
//choose Thai script for 'complex script' testing.
//you can change this to test other script.
_txtServiceClient = OurOpenFontSystem.CreateTextServiceClient();
_currentTextPrinter = new DevGdiTextSpanPrinter(_txtServiceClient);
_currentTextPrinter.ScriptLang = new ScriptLang(ScriptTagDefs.Latin.Tag);
//----------
button1.Click += (s, e) => UpdateRenderOutput();
//simple load test fonts from local test dir
//and send it into test list
chkFillBackground.Checked = true;
chkBorder.CheckedChanged += (s, e) => UpdateRenderOutput();
chkFillBackground.CheckedChanged += (s, e) => UpdateRenderOutput();
//----------
cmbPositionTech.Items.Add(PositionTechnique.OpenFont);
cmbPositionTech.Items.Add(PositionTechnique.Kerning);
cmbPositionTech.Items.Add(PositionTechnique.None);
cmbPositionTech.SelectedIndex = 0;
cmbPositionTech.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
lstHintList.Items.Add(HintTechnique.None);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction);
lstHintList.Items.Add(HintTechnique.TrueTypeInstruction_VerticalOnly);
//lstHintList.Items.Add(HintTechnique.CustomAutoFit);
lstHintList.SelectedIndex = 0;
lstHintList.SelectedIndexChanged += (s, e) => UpdateRenderOutput();
//----------
txtInputChar.TextChanged += (s, e) => UpdateRenderOutput();
//
//----------
//show result
InstalledTypeface selectedFF = null;
int selected_index = 0;
int ffcount = 0;
bool found = false;
foreach (InstalledTypeface ff in OurOpenFontSystem.GetInstalledTypefaceIter())
{
if (!found && ff.FontName == "Source Sans Pro")
{
selectedFF = ff;
selected_index = ffcount;
found = true;
}
lstFontList.Items.Add(ff);
ffcount++;
}
//set default font for current text printer
//
//set default font for current text printer
_currentTextPrinter.Typeface = OurOpenFontSystem.ResolveTypeface(selectedFF);
//Alternative Typeface Selector
{
AlternativeTypefaceSelector alternativeTypefaceSelector = new AlternativeTypefaceSelector();
PreferredTypefaceList preferredTypefaces = new PreferredTypefaceList();
preferredTypefaces.AddTypefaceName("Segoe UI Emoji");
alternativeTypefaceSelector.SetPerferredEmoji(preferredTypefaces);
//set alternative typeface selector to printer
_currentTextPrinter.AlternativeTypefaceSelector = alternativeTypefaceSelector;
}
//----------
#if DEBUG
//test get font from typeface store
//InstalledTypeface instFont = OurOpenFontSystem.GetFontCollection().GetFontByPostScriptName("SourceSansPro-Regular");
#endif
if (selected_index < 0)
{
selected_index = 0;
}
lstFontList.SelectedIndex = selected_index;
lstFontList.SelectedIndexChanged += (s, e) =>
{
if (lstFontList.SelectedItem is InstalledTypeface ff)
{
_currentTextPrinter.Typeface = OurOpenFontSystem.ResolveTypeface(ff);
//sample text box
UpdateRenderOutput();
}
};
//----------
lstFontSizes.Items.AddRange(
new object[] {
8, 9,
10, 11,
12,
14,
16,
18, 20, 22, 24, 26, 28, 36, 48, 72, 240, 300, 360
});
lstFontSizes.SelectedIndexChanged += (s, e) =>
{
//new font size
_currentTextPrinter.FontSizeInPoints = (int)lstFontSizes.SelectedItem;
UpdateRenderOutput();
};
lstFontSizes.SelectedIndex = 0;
this.Text = "Gdi+ Sample";
//------
}
public static Typeface ResolveTypeface(this InstalledTypefaceCollection fontCollection, string fontName, TypefaceStyle style, ushort weight)
{
InstalledTypeface inst = fontCollection.GetInstalledTypeface(fontName, style /*InstalledTypefaceCollection.GetSubFam(style)*/, weight);
return((inst != null) ? fontCollection.ResolveTypeface(inst) : null);
}
public static void SetupDefaultValues()
{
if (s_intalledTypefaces != null)
{
return;
}
s_intalledTypefaces = new InstalledTypefaceCollection();
s_intalledTypefaces.SetFontNameDuplicatedHandler((existing, newone) => FontNameDuplicatedDecision.Skip);
s_intalledTypefaces.SetFontNotFoundHandler((collection, fontName, subFam) =>
{
//This is application specific ***
//
switch (fontName.ToUpper())
{
default:
{
}
break;
case "SANS-SERIF":
{
//temp fix
InstalledTypeface ss = collection.GetInstalledTypeface("Microsoft Sans Serif", "REGULAR");
if (ss != null)
{
return(ss);
}
}
break;
case "SERIF":
{
//temp fix
InstalledTypeface ss = collection.GetInstalledTypeface("Palatino linotype", "REGULAR");
if (ss != null)
{
return(ss);
}
}
break;
case "TAHOMA":
{
switch (subFam)
{
case "ITALIC":
{
InstalledTypeface anotherCandidate = collection.GetInstalledTypeface(fontName, "NORMAL");
if (anotherCandidate != null)
{
return(anotherCandidate);
}
}
break;
}
}
break;
case "MONOSPACE":
//use Courier New
return(collection.GetInstalledTypeface("Courier New", subFam));
case "HELVETICA":
return(collection.GetInstalledTypeface("Arial", subFam));
}
return(null);
});
//if you don't want to load entire system fonts
//then you can add only specfic font by yourself
//when the service can' resolve the requested font
//=> the service will ask at 'SetFontNotFoundHandler'
s_intalledTypefaces.LoadSystemFonts();
//--------------------
InstalledTypefaceCollection.SetAsSharedTypefaceCollection(s_intalledTypefaces);
}
public static void SetTypefaceName(BindableObject view, InstalledTypeface value)
{
view.SetValue(TypefaceNameProperty, value);
}
public static void Setup()
{
if (s_intalledTypefaces != null)
{
//once
return;
}
s_intalledTypefaces = new InstalledTypefaceCollection();
s_intalledTypefaces.SetFontNameDuplicatedHandler((existing, newone) => FontNameDuplicatedDecision.Skip);
s_intalledTypefaces.SetFontNotFoundHandler((InstalledTypefaceCollection collection,
string fontName,
TypefaceStyle style,
ushort weightClass,
InstalledTypeface available,
List <InstalledTypeface> availableList) =>
{
//This is application specific ***
//
switch (fontName.ToUpper())
{
default:
{
}
break;
case "SANS-SERIF":
{
//temp fix
InstalledTypeface ss = collection.GetInstalledTypeface("Microsoft Sans Serif", TypefaceStyle.Regular, (ushort)RequestFontWeight.Normal);
if (ss != null)
{
return(ss);
}
}
break;
case "SERIF":
{
//temp fix
InstalledTypeface ss = collection.GetInstalledTypeface("Palatino linotype", TypefaceStyle.Regular, (ushort)RequestFontWeight.Normal);
if (ss != null)
{
return(ss);
}
}
break;
case "TAHOMA":
{
switch (style)
{
case TypefaceStyle.Italic:
{
InstalledTypeface anotherCandidate = collection.GetInstalledTypeface(fontName, TypefaceStyle.Italic, (ushort)RequestFontWeight.Normal);
if (anotherCandidate != null)
{
return(anotherCandidate);
}
}
break;
}
}
break;
case "MONOSPACE":
//use Courier New
return(collection.GetInstalledTypeface("Courier New", TypefaceStyle.Regular, (ushort)RequestFontWeight.Normal));
case "HELVETICA":
return(collection.GetInstalledTypeface("Arial", TypefaceStyle.Regular, (ushort)RequestFontWeight.Normal));
}
return(null);
});
//if you don't want to load entire system fonts
//then you can add only specfic font by yourself
//when the service can' resolve the requested font
s_intalledTypefaces.LoadSystemFonts();
s_intalledTypefaces.LoadFontsFromFolder(@"D:\projects\Typography\Demo\Windows\TestFonts"); //demo
s_intalledTypefaces.LoadFontsFromFolder(@"D:\projects\Typography\Demo\Windows\Test_PrivateFonts"); //demo
s_intalledTypefaces.UpdateUnicodeRanges();
YourImplementation.CommonTextServiceSetup.SetInstalledTypefaceCollection(s_intalledTypefaces);
InstalledTypefaceCollection.SetAsSharedTypefaceCollection(s_intalledTypefaces);
}
public static Typeface ResolveTypeface(InstalledTypeface instTypeface)
{
return(s_installedTypefaceCollection.ResolveTypeface(instTypeface));
}
public override SelectedTypeface Select(List <InstalledTypeface> choices, UnicodeRangeInfo unicodeRangeInfo, int hintCodePoint)
{
//request font may have hint for typeface
if (_reqFont != null)
{
for (int i = 0; i < _reqFont.OtherChoicesCount; ++i)
{
RequestFont.Choice choice = _reqFont.GetOtherChoice(i);
ResolvedFont resolvedFont = _textService.ResolveFont(choice);
//check if resolvedFont support specific unicodeRange info or not
Typeface typeface = resolvedFont.Typeface;
ushort codepoint = typeface.GetGlyphIndex(unicodeRangeInfo.StartCodepoint);
if (codepoint > 0)
{
//use this
return(new SelectedTypeface(typeface));
}
}
}
List <PreferredTypeface> list = null;
if (unicodeRangeInfo == Unicode13RangeInfoList.Emoticons)
{
list = _emojiPreferList;
}
else if (_dics.TryGetValue(unicodeRangeInfo.Name, out PreferredTypefaceList foundList))
{
list = foundList;
}
if (list != null)
{
int j = list.Count;
for (int i = 0; i < j; ++i)
{
//select that first one
PreferredTypeface p = list[i];
if (p.InstalledTypeface == null && !p.ResolvedInstalledTypeface)
{
//find
int choice_count = choices.Count;
for (int m = 0; m < choice_count; ++m)
{
InstalledTypeface instTypeface = choices[m];
if (p.RequestTypefaceName == instTypeface.FontName)
{
//TODO: review here again
p.InstalledTypeface = instTypeface;
break;
}
}
p.ResolvedInstalledTypeface = true;
}
//-------
if (p.InstalledTypeface != null)
{
return(new SelectedTypeface(p.InstalledTypeface));
}
}
}
//still not found
if (choices.Count > 0)
{
//choose default
return(new SelectedTypeface(choices[0]));
}
return(new SelectedTypeface());//empty
}
public static Typeface ResolveTypeface(this InstalledTypefaceCollection fontCollection, InstalledTypeface installedFont)
{
if (installedFont.ResolvedTypeface != null)
{
return(installedFont.ResolvedTypeface);
}
//load
Typeface typeface;
if (CustomFontStreamLoader != null)
{
using (var fontStream = CustomFontStreamLoader(installedFont.FontPath))
{
var reader = new OpenFontReader();
typeface = reader.Read(fontStream, installedFont.ActualStreamOffset);
typeface.Filename = installedFont.FontPath;
installedFont.ResolvedTypeface = typeface;//cache
}
}
else
{
using (var fs = new FileStream(installedFont.FontPath, FileMode.Open, FileAccess.Read))
{
var reader = new OpenFontReader();
typeface = reader.Read(fs, installedFont.ActualStreamOffset);
typeface.Filename = installedFont.FontPath;
installedFont.ResolvedTypeface = typeface;//cache
}
}
//calculate typeface key for the new create typeface
//custom key
OpenFont.Extensions.TypefaceExtensions.SetCustomTypefaceKey(
typeface,
TinyCRC32Calculator.CalculateCrc32(typeface.Name.ToUpper()));
return(typeface);
}
