List<string> NativeFontFamilies()
{
if (nativeFontCollection == null)
{
var collectionOptions = new CTFontCollectionOptions ();
collectionOptions.RemoveDuplicates = true;
nativeFontCollection = new CTFontCollection (collectionOptions);
nativeFontDescriptors = new Dictionary<string, CTFontDescriptor> ();
}
var fontdescs = nativeFontCollection.GetMatchingFontDescriptors ();
foreach (var fontdesc in fontdescs)
{
var font = new CTFont (fontdesc, 0);
// Just in case RemoveDuplicates collection option is not working
if (!nativeFontDescriptors.ContainsKey (font.FamilyName))
{
nativeFontDescriptors.Add (font.FamilyName, fontdesc);
}
}
var fontFamilies = new List<string> (nativeFontDescriptors.Keys);
return fontFamilies;
}
public CTGlyphInfo (string glyphName, CTFont font, string baseString)
{
if (glyphName == null)
throw ConstructorError.ArgumentNull (this, "glyphName");
if (font == null)
throw ConstructorError.ArgumentNull (this, "font");
if (baseString == null)
throw ConstructorError.ArgumentNull (this, "baseString");
using (var gn = new NSString (glyphName))
using (var bs = new NSString (baseString))
Handle = CTGlyphInfoCreateWithGlyphName (gn.Handle, font.Handle, bs.Handle);
if (Handle == IntPtr.Zero)
throw ConstructorError.Unknown (this);
}
private void CreateFont(string fontName, float fontSize, CCRawList<char> charset)
{
_font = CCLabelUtilities.CreateFont (fontName, fontSize);
var value = new CCLabelUtilities.ABCFloat[1];
_abcValues.Clear();;
for (int i = 0; i < charset.Count; i++)
{
var ch = charset[i];
CCLabelUtilities.GetCharABCWidthsFloat(ch, _font, out value);
_abcValues.Add(ch, new KerningInfo() { A = value[0].abcfA, B = value[0].abcfB, C = value[0].abcfC });
}
}
private void CreateNativeFont(FontFamily familyName, float emSize, FontStyle style,
GraphicsUnit unit, byte gdiCharSet, bool gdiVerticalFont )
{
// convert to 96 Dpi to be consistent with Windows
var dpiSize = emSize * dpiScale;
try
{
nativeFont = new CTFont(familyName.NativeDescriptor,dpiSize);
}
catch
{
nativeFont = new CTFont("Helvetica",dpiSize);
}
CTFontSymbolicTraits tMask = CTFontSymbolicTraits.None;
if ((style & FontStyle.Bold) == FontStyle.Bold)
tMask |= CTFontSymbolicTraits.Bold;
if ((style & FontStyle.Italic) == FontStyle.Italic)
tMask |= CTFontSymbolicTraits.Italic;
strikeThrough = (style & FontStyle.Strikeout) == FontStyle.Strikeout;
underLine = (style & FontStyle.Underline) == FontStyle.Underline;
var nativeFont2 = nativeFont.WithSymbolicTraits(dpiSize,tMask,tMask);
if (nativeFont2 != null)
nativeFont = nativeFont2;
bold = (nativeFont.SymbolicTraits & CTFontSymbolicTraits.Bold) == CTFontSymbolicTraits.Bold;
italic = (nativeFont.SymbolicTraits & CTFontSymbolicTraits.Italic) == CTFontSymbolicTraits.Italic;
sizeInPoints = emSize;
this.unit = unit;
// FIXME
// I do not like the hard coded 72 but am just trying to boot strap the Font class right now
size = ConversionHelpers.GraphicsUnitConversion(GraphicsUnit.Point, unit, 72.0f, sizeInPoints);
}
public void SetFont(CTFont font)
{
if (font == null)
throw new ArgumentNullException ("font");
_Font = font.Handle;
}
static internal CTFont CreateFont (string familyName, float emSize, FontStyle style,
byte gdiCharSet, bool gdiVerticalFont )
{
if (emSize <= 0)
throw new ArgumentException("emSize is less than or equal to 0, evaluates to infinity, or is not a valid number.","emSize");
CTFont nativeFont;
// convert to 96 Dpi to be consistent with Windows
var dpiSize = emSize * dpiScale;
var ext = System.IO.Path.GetExtension(familyName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
var fontName = familyName.Substring (0, familyName.Length - ext.Length);
var path = CCApplication.SharedApplication.Game.Content.RootDirectory + Path.DirectorySeparatorChar + fontName;
var pathForResource = NSBundle.MainBundle.PathForResource (path, ext.Substring(1));
try {
var dataProvider = new CGDataProvider (pathForResource);
var cgFont = CGFont.CreateFromProvider (dataProvider);
try {
nativeFont = new CTFont(cgFont, dpiSize, null);
}
catch
{
nativeFont = new CTFont("Helvetica",dpiSize);
}
}
catch (Exception)
{
try {
nativeFont = new CTFont(Path.GetFileNameWithoutExtension(familyName),dpiSize);
}
catch
{
nativeFont = new CTFont("Helvetica",dpiSize);
}
CCLog.Log (string.Format ("Could not load font: {0} so will use default {1}.", familyName, nativeFont.DisplayName));
}
}
else
{
try {
nativeFont = new CTFont(familyName,dpiSize);
}
catch
{
nativeFont = new CTFont("Helvetica",dpiSize);
}
}
CTFontSymbolicTraits tMask = CTFontSymbolicTraits.None;
if ((style & FontStyle.Bold) == FontStyle.Bold)
tMask |= CTFontSymbolicTraits.Bold;
if ((style & FontStyle.Italic) == FontStyle.Italic)
tMask |= CTFontSymbolicTraits.Italic;
strikeThrough = (style & FontStyle.Strikeout) == FontStyle.Strikeout;
underLine = (style & FontStyle.Underline) == FontStyle.Underline;
var nativeFont2 = nativeFont.WithSymbolicTraits(dpiSize,tMask,tMask);
if (nativeFont2 != null)
nativeFont = nativeFont2;
return nativeFont;
}
private static NSMutableAttributedString buildAttributedString(string text, CTFont font,
CCColor4B? fontColor=null)
{
// Create a new attributed string definition
var ctAttributes = new CTStringAttributes ();
// Font attribute
ctAttributes.Font = font;
// -- end font
if (fontColor.HasValue) {
// Font color
var fc = fontColor.Value;
var cgColor = new CGColor(fc.R / 255f,
fc.G / 255f,
fc.B / 255f,
fc.A / 255f);
ctAttributes.ForegroundColor = cgColor;
ctAttributes.ForegroundColorFromContext = false;
// -- end font Color
}
if (underLine) {
// Underline
#if MACOS
int single = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
int solid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end underline
}
if (strikeThrough) {
// StrikeThrough
// NSColor bcolor = NSColor.Blue;
// NSObject bcolorObject = new NSObject(bcolor.Handle);
// attsDic.Add(NSAttributedString.StrikethroughColorAttributeName, bcolorObject);
// #if MACOS
// int stsingle = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
// int stsolid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
// var stattss = stsingle | stsolid;
// var stunderlineObject = NSNumber.FromInt32(stattss);
// #else
// var stunderlineObject = NSNumber.FromInt32 (1);
// #endif
//
// attsDic.Add(StrikethroughStyleAttributeName, stunderlineObject);
// --- end underline
}
// Text alignment
var alignment = CTTextAlignment.Left;
var alignmentSettings = new CTParagraphStyleSettings();
alignmentSettings.Alignment = alignment;
var paragraphStyle = new CTParagraphStyle(alignmentSettings);
ctAttributes.ParagraphStyle = paragraphStyle;
// end text alignment
NSMutableAttributedString atts =
new NSMutableAttributedString(text,ctAttributes.Dictionary);
return atts;
}
internal void Dispose(bool disposing)
{
if (disposing){
if (nativeFont != null){
nativeFont.Dispose ();
nativeFont = null;
}
}
}
static internal CTFont CreateFont (string familyName, float emSize, FontStyle style,
byte gdiCharSet, bool gdiVerticalFont )
{
if (emSize <= 0)
throw new ArgumentException("emSize is less than or equal to 0, evaluates to infinity, or is not a valid number.","emSize");
CTFont nativeFont;
// convert to 96 Dpi to be consistent with Windows
var dpiSize = emSize * dpiScale;
try {
nativeFont = new CTFont(familyName,dpiSize);
}
catch
{
nativeFont = new CTFont("Helvetica",dpiSize);
}
CTFontSymbolicTraits tMask = CTFontSymbolicTraits.None;
if ((style & FontStyle.Bold) == FontStyle.Bold)
tMask |= CTFontSymbolicTraits.Bold;
if ((style & FontStyle.Italic) == FontStyle.Italic)
tMask |= CTFontSymbolicTraits.Italic;
strikeThrough = (style & FontStyle.Strikeout) == FontStyle.Strikeout;
underLine = (style & FontStyle.Underline) == FontStyle.Underline;
var nativeFont2 = nativeFont.WithSymbolicTraits(dpiSize,tMask,tMask);
if (nativeFont2 != null)
nativeFont = nativeFont2;
return nativeFont;
}
public CTGlyphInfo (CGGlyph glyph, CTFont font, string baseString)
{
if (font == null)
throw ConstructorError.ArgumentNull (this, "font");
if (baseString == null)
throw ConstructorError.ArgumentNull (this, "baseString");
using (var bs = new NSString (baseString))
handle = CTGlyphInfoCreateWithGlyph (glyph, font.Handle, bs.Handle);
if (handle == IntPtr.Zero)
throw ConstructorError.Unknown (this);
}
private void CreateNativeFontFamily(string name, FontCollection fontCollection, bool createDefaultIfNotExists)
{
if (fontCollection != null)
{
if (fontCollection.nativeFontDescriptors.ContainsKey (name))
nativeFontDescriptor = fontCollection.nativeFontDescriptors [name];
if (nativeFontDescriptor == null && createDefaultIfNotExists)
{
nativeFontDescriptor = new CTFontDescriptor (SANS_SERIF, 0);
}
}
else
{
nativeFontDescriptor = new CTFontDescriptor (name, 0);
if (nativeFontDescriptor == null && createDefaultIfNotExists)
{
nativeFontDescriptor = new CTFontDescriptor (SANS_SERIF, 0);
}
}
if (nativeFontDescriptor == null)
throw new ArgumentException ("name specifies a font that is not installed on the computer running the application.");
else
{
var attrs = nativeFontDescriptor.GetAttributes ();
familyName = attrs.FamilyName;
// if the font description attributes do not contain a value for FamilyName then we
// need to try and create the font to get the family name from the actual font.
if (string.IsNullOrEmpty (familyName))
{
var font = new CTFont (nativeFontDescriptor, 0);
familyName = font.FamilyName;
}
}
}
internal static void NativeDrawString (CGBitmapContext bitmapContext, string s, CTFont font, CCColor4B brush, CGRect layoutRectangle)
{
if (font == null)
throw new ArgumentNullException ("font");
if (s == null || s.Length == 0)
return;
bitmapContext.ConcatCTM (bitmapContext.GetCTM().Invert());
// This is not needed here since the color is set in the attributed string.
//bitmapContext.SetFillColor(brush.R/255f, brush.G/255f, brush.B/255f, brush.A/255f);
// I think we only Fill the text with no Stroke surrounding
//bitmapContext.SetTextDrawingMode(CGTextDrawingMode.Fill);
var attributedString = buildAttributedString(s, font, brush);
// Work out the geometry
CGRect insetBounds = layoutRectangle;
CGPoint textPosition = new CGPoint(insetBounds.X,
insetBounds.Y);
float boundsWidth = (float)insetBounds.Width;
// Calculate the lines
nint start = 0;
nint length = attributedString.Length;
var typesetter = new CTTypesetter(attributedString);
float baselineOffset = 0;
// First we need to calculate the offset for Vertical Alignment if we
// are using anything but Top
if (vertical != CCVerticalTextAlignment.Top) {
while (start < length) {
nint count = typesetter.SuggestLineBreak((int)start, (double)boundsWidth);
var line = typesetter.GetLine (new NSRange(start, count));
// Create and initialize some values from the bounds.
nfloat ascent;
nfloat descent;
nfloat leading;
line.GetTypographicBounds(out ascent, out descent, out leading);
baselineOffset += (float)Math.Ceiling ((float)(ascent + descent + leading + 1)); // +1 matches best to CTFramesetter's behavior
line.Dispose ();
start += count;
}
}
start = 0;
while (start < length && textPosition.Y < insetBounds.Bottom)
{
// Now we ask the typesetter to break off a line for us.
// This also will take into account line feeds embedded in the text.
// Example: "This is text \n with a line feed embedded inside it"
nint count = typesetter.SuggestLineBreak((int)start, (double)boundsWidth);
var line = typesetter.GetLine(new NSRange(start, count));
// Create and initialize some values from the bounds.
nfloat ascent;
nfloat descent;
nfloat leading;
line.GetTypographicBounds(out ascent, out descent, out leading);
// Calculate the string format if need be
var penFlushness = 0.0f;
if (horizontal == CCTextAlignment.Right)
penFlushness = (float)line.GetPenOffsetForFlush(1.0f, boundsWidth);
else if (horizontal == CCTextAlignment.Center)
penFlushness = (float)line.GetPenOffsetForFlush(0.5f, boundsWidth);
// initialize our Text Matrix or we could get trash in here
var textMatrix = CGAffineTransform.MakeIdentity();
if (vertical == CCVerticalTextAlignment.Top)
textMatrix.Translate(penFlushness, insetBounds.Height - textPosition.Y -(float)Math.Floor(ascent - 1));
if (vertical == CCVerticalTextAlignment.Center)
textMatrix.Translate(penFlushness, ((insetBounds.Height / 2) + (baselineOffset / 2)) - textPosition.Y -(float)Math.Floor(ascent - 1));
if (vertical == CCVerticalTextAlignment.Bottom)
textMatrix.Translate(penFlushness, baselineOffset - textPosition.Y -(float)Math.Floor(ascent - 1));
// Set our matrix
bitmapContext.TextMatrix = textMatrix;
// and draw the line
line.Draw(bitmapContext);
// Move the index beyond the line break.
start += count;
textPosition.Y += (float)Math.Ceiling(ascent + descent + leading + 1); // +1 matches best to CTFramesetter's behavior
line.Dispose();
}
}
/// <summary>
/// Gets font metrics for the specified font.
/// </summary>
/// <param name="font">The font.</param>
/// <param name="defaultLineHeight">Default line height.</param>
/// <param name="delta">The vertical delta.</param>
private void GetFontMetrics(CTFont font, out float defaultLineHeight, out float delta)
{
var ascent = font.AscentMetric;
var descent = font.DescentMetric;
var leading = font.LeadingMetric;
//// http://stackoverflow.com/questions/5511830/how-does-line-spacing-work-in-core-text-and-why-is-it-different-from-nslayoutm
leading = leading < 0 ? 0 : (float)Math.Floor (leading + 0.5f);
var lineHeight = (float)Math.Floor (ascent + 0.5f) + (float)Math.Floor (descent + 0.5) + leading;
var ascenderDelta = leading >= 0 ? 0 : (float)Math.Floor ((0.2 * lineHeight) + 0.5);
defaultLineHeight = lineHeight + ascenderDelta;
delta = ascenderDelta - descent;
}
void LoadFontFile(string fileName)
{
CTFont nativeFont;
var dpiSize = 0;
var ext = Path.GetExtension(fileName);
if (!String.IsNullOrEmpty(ext))
{
if (nativeFontDescriptors == null)
nativeFontDescriptors = new Dictionary<string, CTFontDescriptor> ();
//Try loading from Bundle first
var fontName = fileName.Substring (0, fileName.Length - ext.Length);
var pathForResource = NSBundle.MainBundle.PathForResource (fontName, ext.Substring(1));
NSUrl url;
if (!string.IsNullOrEmpty(pathForResource))
url = NSUrl.FromFilename (pathForResource);
else
url = NSUrl.FromFilename (fileName);
// We will not use CTFontManager.RegisterFontsForUrl (url, CTFontManagerScope.Process);
// here. The reason is that there is no way we can be sure that the font can be created to
// to identify the family name afterwards. So instead we will create a CGFont from a data provider.
// create CTFont to obtain the CTFontDescriptor, store family name and font descriptor to be accessed
// later.
try {
var dataProvider = new CGDataProvider (url.Path);
var cgFont = CGFont.CreateFromProvider (dataProvider);
try {
nativeFont = new CTFont(cgFont, dpiSize, null);
if (!nativeFontDescriptors.ContainsKey(nativeFont.FamilyName))
{
nativeFontDescriptors.Add(nativeFont.FamilyName, nativeFont.GetFontDescriptor());
NSError error;
var registered = CTFontManager.RegisterGraphicsFont(cgFont, out error);
if (!registered)
{
// If the error code is 105 then the font we are trying to register is already registered
// We will not report this as an error.
if (error.Code != 105)
throw new ArgumentException("Error registering: " + Path.GetFileName(fileName));
}
}
}
catch
{
// note: MS throw the same exception FileNotFoundException if the file exists but isn't a valid font file
throw new System.IO.FileNotFoundException (fileName);
}
}
catch (Exception)
{
// note: MS throw the same exception FileNotFoundException if the file exists but isn't a valid font file
throw new System.IO.FileNotFoundException (fileName);
}
}
}
public Font(string familyName, float emSize, FontStyle style,
GraphicsUnit unit, byte gdiCharSet, bool gdiVerticalFont )
{
if (emSize <= 0)
throw new ArgumentException("emSize is less than or equal to 0, evaluates to infinity, or is not a valid number.","emSize");
// convert to 96 Dpi to be consistent with Windows
var dpiSize = emSize * dpiScale;
try {
nativeFont = new CTFont(familyName,dpiSize);
}
catch
{
//nativeFont = new CTFont("Lucida Grande",emSize);
nativeFont = new CTFont("Helvetica",dpiSize);
}
CTFontSymbolicTraits tMask = CTFontSymbolicTraits.None;
if ((style & FontStyle.Bold) == FontStyle.Bold)
tMask |= CTFontSymbolicTraits.Bold;
if ((style & FontStyle.Italic) == FontStyle.Italic)
tMask |= CTFontSymbolicTraits.Italic;
strikeThrough = (style & FontStyle.Strikeout) == FontStyle.Strikeout;
underLine = (style & FontStyle.Underline) == FontStyle.Underline;
var nativeFont2 = nativeFont.WithSymbolicTraits(dpiSize,tMask,tMask);
if (nativeFont2 != null)
nativeFont = nativeFont2;
sizeInPoints = emSize;
this.unit = unit;
// FIXME
// I do not like the hard coded 72 but am just trying to boot strap the Font class right now
size = ConversionHelpers.GraphicsUnitConversion(GraphicsUnit.Point, unit, 72.0f, sizeInPoints);
}
private int GetNativeMetric(Metric metric, FontStyle style)
{
// we are going to actually have to create a font object here
// will not create an actual variable for this yet. We may
// want to do this in the future so that we do not have to keep
// creating it over and over again.
CTFontSymbolicTraits tMask = CTFontSymbolicTraits.None;
if ((style & FontStyle.Bold) == FontStyle.Bold)
tMask |= CTFontSymbolicTraits.Bold;
if ((style & FontStyle.Italic) == FontStyle.Italic)
tMask |= CTFontSymbolicTraits.Italic;
var font = new CTFont (nativeFontDescriptor,0);
font = font.WithSymbolicTraits (0, tMask, tMask);
switch (metric)
{
case Metric.EMHeight:
return (int)font.UnitsPerEmMetric;
case Metric.CellAscent:
return (int)Math.Round(font.AscentMetric / font.Size * font.UnitsPerEmMetric);
case Metric.CellDescent:
return (int)Math.Round(font.DescentMetric / font.Size * font.UnitsPerEmMetric);
case Metric.LineSpacing:
float lineHeight = 0;
lineHeight += font.AscentMetric;
lineHeight += font.DescentMetric;
lineHeight += font.LeadingMetric;
return (int)Math.Round(lineHeight / font.Size * font.UnitsPerEmMetric);
}
return 0;
}
private bool NativeStyleAvailable(FontStyle style)
{
// we are going to actually have to create a font object here
// will not create an actual variable for this yet. We may
// want to do this in the future so that we do not have to keep
// creating it over and over again.
var font = new CTFont (nativeFontDescriptor,0);
switch (style)
{
case FontStyle.Bold:
var tMaskBold = CTFontSymbolicTraits.None;
tMaskBold |= CTFontSymbolicTraits.Bold;
var bFont = font.WithSymbolicTraits (0, tMaskBold, tMaskBold);
if (bFont == null)
return false;
var bold = (bFont.SymbolicTraits & CTFontSymbolicTraits.Bold) == CTFontSymbolicTraits.Bold;
return bold;
case FontStyle.Italic:
//return (font.SymbolicTraits & CTFontSymbolicTraits.Italic) == CTFontSymbolicTraits.Italic;
var tMaskItalic = CTFontSymbolicTraits.None;
tMaskItalic |= CTFontSymbolicTraits.Italic;
var iFont = font.WithSymbolicTraits (0, tMaskItalic, tMaskItalic);
if (iFont == null)
return false;
var italic = (iFont.SymbolicTraits & CTFontSymbolicTraits.Italic) == CTFontSymbolicTraits.Italic;
return italic;
case FontStyle.Regular:
// Verify if this is correct somehow - we may need to add Bold here as well not sure
if ((font.SymbolicTraits & CTFontSymbolicTraits.Condensed) == CTFontSymbolicTraits.Condensed
|| (font.SymbolicTraits & CTFontSymbolicTraits.Expanded) == CTFontSymbolicTraits.Expanded)
return false;
else
return true;
case FontStyle.Underline:
return font.UnderlineThickness > 0;
case FontStyle.Strikeout:
// not implemented yet
return false;
}
return false;
}
// This only handles one character for right now
internal static void GetCharABCWidthsFloat (char characters, CTFont font, out ABCFloat[] abc)
{
var atts = buildAttributedString(characters.ToString(), font);
// for now just a line not sure if this is going to work
CTLine line = new CTLine(atts);
nfloat ascent;
nfloat descent;
nfloat leading;
abc = new ABCFloat[1];
abc[0].abcfB = (float)line.GetTypographicBounds(out ascent, out descent, out leading);
abc [0].abcfB += (float)leading;
}
void LoadFontAndGatherGlyphInfos(int unitSize, Action<List<GlyphInfo>> endHandler)
{
float scale = Window.BackingScaleFactor;
Task.Factory.StartNew (() => {
try {
Type typGlyphNames = typeof (FontAwesome.GlyphNames);
var memberinfos = typGlyphNames.GetMembers (BindingFlags.Public | BindingFlags.Static | BindingFlags.GetProperty);
var ctFont = new CTFont (FontAwesomeUtil.Font, 20f, CGAffineTransform.MakeIdentity ());
var list = memberinfos.Select ((m) => {
var fieldInfo = typGlyphNames.GetField (m.Name);
var rawName = (string)fieldInfo.GetValue (typGlyphNames);
var glyphval = ctFont.GetGlyphWithName (rawName);
return new GlyphInfo {
GlyphName = m.Name
, RawName = rawName
, GlyphImage = FontAwesomeUtil.GetImageForBarItem (rawName, unitSize, scale)
, GlyphId = glyphval
};
}).ToList ();
if (endHandler != null)
endHandler (list);
}
catch (Exception ex) {
Console.WriteLine ("Exception: " + ex);
}
});
}
internal static CCSize MeasureString (string textg, CTFont font, CCRect rect)
{
var atts = buildAttributedString(textg, font);
// for now just a line not sure if this is going to work
CTLine line = new CTLine(atts);
// Create and initialize some values from the bounds.
nfloat ascent;
nfloat descent;
nfloat leading;
double lineWidth = line.GetTypographicBounds(out ascent, out descent, out leading);
var measure = new CCSize((float)(lineWidth + leading), (float)(ascent + descent));
return measure;
}
private static NSMutableAttributedString buildAttributedString(string text, CTFont font,
Color? fontColor=null)
{
// Create a new attributed string from text
NSMutableAttributedString atts =
new NSMutableAttributedString(text);
var attRange = new NSRange(0, atts.Length);
var attsDic = new NSMutableDictionary();
// Font attribute
NSObject fontObject = new NSObject(font.Handle);
attsDic.Add(FontAttributedName, fontObject);
// -- end font
if (fontColor.HasValue) {
// Font color
var fc = fontColor.Value;
NSColor color = NSColor.FromDeviceRgba(fc.R / 255f,
fc.G / 255f,
fc.B / 255f,
fc.A / 255f);
NSObject colorObject = new NSObject(color.Handle);
attsDic.Add(ForegroundColorAttributedName, colorObject);
// -- end font Color
}
if (underLine) {
// Underline
int single = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
int solid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
var underlineObject = NSNumber.FromInt32(attss);
//var under = NSAttributedString.UnderlineStyleAttributeName.ToString();
attsDic.Add(UnderlineStyleAttributeName, underlineObject);
// --- end underline
}
if (strikeThrough) {
// StrikeThrough
// NSColor bcolor = NSColor.Blue;
// NSObject bcolorObject = new NSObject(bcolor.Handle);
// attsDic.Add(NSAttributedString.StrikethroughColorAttributeName, bcolorObject);
int stsingle = (int)MonoMac.AppKit.NSUnderlineStyle.Single;
int stsolid = (int)MonoMac.AppKit.NSUnderlinePattern.Solid;
var stattss = stsingle | stsolid;
var stunderlineObject = NSNumber.FromInt32(stattss);
attsDic.Add(StrikethroughStyleAttributeName, stunderlineObject);
// --- end underline
}
// Text alignment
var alignment = CTTextAlignment.Left;
var alignmentSettings = new CTParagraphStyleSettings();
alignmentSettings.Alignment = alignment;
var paragraphStyle = new CTParagraphStyle(alignmentSettings);
NSObject psObject = new NSObject(paragraphStyle.Handle);
// end text alignment
attsDic.Add(ParagraphStyleAttributeName, psObject);
atts.SetAttributes(attsDic, attRange);
return atts;
}
internal static CCSize MeasureString (string textg, CTFont font, CCSize layoutArea)
{
return MeasureString (textg, font, new CCRect (0, 0, layoutArea.Width, layoutArea.Height));
}
internal static CCSize MeasureString (string textg, CTFont font)
{
return MeasureString (textg, font, CCSize.Zero);
}
string LoadFontFile (string fileName)
{
CTFont nativeFont;
var dpiSize = 0;
var ext = Path.GetExtension(fileName);
if (!String.IsNullOrEmpty(ext))
{
if (nativeFontDescriptors == null)
nativeFontDescriptors = new Dictionary<string, string> ();
string fd = null;
if (nativeFontDescriptors.TryGetValue(fileName, out fd))
return fd;
// We will not use CTFontManager.RegisterFontsForUrl (url, CTFontManagerScope.Process);
// here. The reason is that there is no way we can be sure that the font can be created to
// to identify the family name afterwards. So instead we will create a CGFont from a data provider.
// create CTFont to obtain the CTFontDescriptor, store family name and font descriptor to be accessed
// later.
try {
var filePath = string.Empty;
CCContentManager.SharedContentManager.GetAssetStreamAsBytes(fileName, out filePath);
var dataProvider = new CGDataProvider (filePath);
var cgFont = CGFont.CreateFromProvider (dataProvider);
try
{
nativeFont = new CTFont(cgFont, dpiSize, null);
if (!nativeFontDescriptors.ContainsKey(fileName))
{
nativeFontDescriptors.Add(fileName, nativeFont.PostScriptName);
NSError error;
var registered = CTFontManager.RegisterGraphicsFont(cgFont, out error);
if (!registered)
{
// If the error code is 105 then the font we are trying to register is already registered
// We will not report this as an error.
if (error.Code != 105)
throw new ArgumentException("Error registering: " + Path.GetFileName(fileName));
}
}
return nativeFont.PostScriptName;
}
catch
{
// note: MS throw the same exception FileNotFoundException if the file exists but isn't a valid font file
throw new System.IO.FileNotFoundException (fileName);
}
}
catch (Exception)
{
// note: MS throw the same exception FileNotFoundException if the file exists but isn't a valid font file
throw new System.IO.FileNotFoundException (fileName);
}
}
return fileName;
}
