public override void ViewDidLoad()
{
base.ViewDidLoad();
var me = RealmUserServices.GetMe(true);
var initials = (me.FirstName?.FirstOrDefault() + " " + me.LastName?.FirstOrDefault()).Trim();
CTStringAttributes attributes = new CTStringAttributes();
attributes.KerningAdjustment = -2;
NSAttributedString attributedString = new NSAttributedString(initials, attributes);
InititalsLabel.AttributedText = attributedString;
InititalsLabel.BackgroundColor = UIColor.FromWhiteAlpha(0.9f, 1);
InititalsLabel.TextColor = UIColor.Gray;
InititalsLabel.Layer.MasksToBounds = true;
InititalsLabel.Layer.CornerRadius = InititalsLabel.Frame.Size.Width / 2;
NameLabel.Text = me.FirstName + " " + me.LastName;
HandleLabel.Text = me.Handle;
AddChildViewController(TableViewController);
ContainerView.AddSubview(TableViewController.View);
View.AddConstraint(NSLayoutConstraint.Create(TableViewController.View, NSLayoutAttribute.Top, NSLayoutRelation.Equal, ContainerView, NSLayoutAttribute.Top, 1, 0));
View.AddConstraint(NSLayoutConstraint.Create(TableViewController.View, NSLayoutAttribute.Right, NSLayoutRelation.Equal, ContainerView, NSLayoutAttribute.Right, 1, 0));
View.AddConstraint(NSLayoutConstraint.Create(TableViewController.View, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, ContainerView, NSLayoutAttribute.Bottom, 1, 0));
View.AddConstraint(NSLayoutConstraint.Create(TableViewController.View, NSLayoutAttribute.Left, NSLayoutRelation.Equal, ContainerView, NSLayoutAttribute.Left, 1, 0));
FooterLabel.Text = DrawerShared.GetFooterText();
}
public void SetFont(Font f)
{
if (f != _lastFont)
{
_lastFont = f;
// We have a Xamarin.Forms.Font object. We need a CTFont. X.F.Font has
// ToUIFont() but not a Core Text version of same. So we make a UIFont first.
//_font_ui = _lastFont.ToUIFont ();
// TODO temporary hack
_font_ui = UIFont.SystemFontOfSize(_lastFont.Size);
_font_ct = new CTFont(_font_ui.Name, _font_ui.PointSize);
// With Core Text, it is important that we use a CTStringAttributes() with the
// NSAttributedString constructor.
// TODO maybe we should have the text color be separate, have it be an arg on SetFont?
_ct_attr = new CTStringAttributes {
Font = _font_ct,
ForegroundColorFromContext = true,
//ForegroundColor = _clr_cg,
// ParagraphStyle = new CTParagraphStyle(new CTParagraphStyleSettings() { Alignment = CTTextAlignment.Center })
};
}
}
public void BackgroundColor()
{
var sa = new CTStringAttributes();
Assert.DoesNotThrow(() => { sa.BackgroundColor = TestRuntime.GetCGColor(UIColor.Blue); }, "#0");
Assert.DoesNotThrow(() => { var x = sa.BackgroundColor; }, "#1");
}
protected override void Dispose (bool disposing)
{
Font = null;
attributes = null;
caretView = null;
base.Dispose (disposing);
}
private void prepareTextFields()
{
var placeholderAttributes = new CTStringAttributes(
new UIStringAttributes {
ForegroundColor = UIColor.White.ColorWithAlpha(0.5f)
}.Dictionary
);
EmailTextField.ReturnKeyType = UIReturnKeyType.Next;
EmailTextField.TintColor = UIColor.White;
EmailTextField.AttributedPlaceholder =
new NSAttributedString(Resources.LoginSignUpEmailPlaceholder, placeholderAttributes);
PasswordTextField.ReturnKeyType = UIReturnKeyType.Next;
PasswordTextField.TintColor = UIColor.White;
PasswordTextField.AttributedPlaceholder =
new NSAttributedString(Resources.LoginSignUpPasswordPlaceholder, placeholderAttributes);
ForgotPasswordButton.SetTitle(Resources.LoginForgotPassword, UIControlState.Normal);
var underscoreAttributes = new CTStringAttributes(new UIStringAttributes
{
UnderlineColor = UIColor.White,
ForegroundColor = UIColor.White,
UnderlineStyle = NSUnderlineStyle.Single,
Font = UIFont.SystemFontOfSize(12, UIFontWeight.Medium)
}.Dictionary);
PrivacyPolicyButton.SetAttributedTitle(
new NSAttributedString(Resources.PrivacyPolicy, underscoreAttributes), UIControlState.Normal);
TermsOfServiceButton.SetAttributedTitle(
new NSAttributedString(Resources.TermsOfService, underscoreAttributes), UIControlState.Normal);
}
public void HorizontalInVerticalForms()
{
var sa = new CTStringAttributes();
Assert.DoesNotThrow(() => { sa.HorizontalInVerticalForms = 1; }, "#0");
Assert.DoesNotThrow(() => { var x = sa.HorizontalInVerticalForms; }, "#1");
}
public void EnumerateCaretOffsets()
{
if (!TestRuntime.CheckXcodeVersion(7, 0))
{
Assert.Ignore("Requires iOS9+ or macOS 10.11+");
}
var sa = new CTStringAttributes();
sa.ForegroundColor = UIColor.Blue.CGColor;
sa.Font = new CTFont("Georgia-BoldItalic", 24);
sa.UnderlineStyle = CTUnderlineStyle.Double; // It does not seem to do anything
sa.UnderlineColor = UIColor.Blue.CGColor;
sa.UnderlineStyleModifiers = CTUnderlineStyleModifiers.PatternDashDotDot;
var attributedString = new NSAttributedString("Hello world.\nWoohooo!\nThere", sa);
var line = new CTLine(attributedString);
bool executed = false;
#if XAMCORE_2_0
line.EnumerateCaretOffsets((double o, nint charIndex, bool leadingEdge, ref bool stop) => {
#else
line.EnumerateCaretOffsets((double o, int charIndex, bool leadingEdge, ref bool stop) => {
#endif
executed = true;
});
Assert.IsTrue(executed);
}
protected override void Dispose(bool disposing)
{
Font = null;
attributes = null;
caretView = null;
base.Dispose(disposing);
}
public static NSMutableAttributedString ToNsAttributedString(this AttributedGlyphRun <TFont, TGlyph> glyphRun)
{
var font = glyphRun.Font;
var text = glyphRun.Text.ToString();
var unicodeIndexes = StringInfo.ParseCombiningCharacters(text);
var attributes = new CTStringAttributes
{
ForegroundColorFromContext = true,
Font = font.CtFont
};
var attributedString = new NSMutableAttributedString(text, attributes);
var kernedGlyphs = glyphRun.GlyphInfos;
for (int i = 0; i < kernedGlyphs.Count; i++)
{
var endIndex = (i < unicodeIndexes.Length - 1) ? unicodeIndexes[i + 1] : text.Length;
var range = new NSRange(unicodeIndexes[i], endIndex - unicodeIndexes[i]);
if (kernedGlyphs[i].KernAfterGlyph is var kern && !(kern is 0))
{
attributedString.AddAttribute(CTStringAttributeKey.KerningAdjustment, new NSNumber(kern), range);
}
if (kernedGlyphs[i].Foreground is Structures.Color foreground)
{
attributedString.AddAttribute(CTStringAttributeKey.ForegroundColor, ObjCRuntime.Runtime.GetNSObject(foreground.ToCgColor().Handle), range);
}
}
return(attributedString);
}
public static NSMutableAttributedString ToNsAttributedString(this AttributedGlyphRun <TFont, TGlyph> glyphRun)
{
var font = glyphRun.Font;
var text = glyphRun.Text;
var unicodeIndexes = StringInfo.ParseCombiningCharacters(text);
var attributes = new CTStringAttributes
{
ForegroundColorFromContext = true,
Font = font.CtFont
};
var attributedString = new NSMutableAttributedString(text, attributes);
var kernedGlyphs = glyphRun.KernedGlyphs;
for (int i = 0; i < kernedGlyphs.Length; i++)
{
var kern = kernedGlyphs[i].KernAfterGlyph;
if (kern != 0)
{
var endIndex = (i < unicodeIndexes.Length - 1) ? unicodeIndexes[i + 1] : text.Length;
var range = new NSRange(unicodeIndexes[i], endIndex - unicodeIndexes[i]);
attributedString.AddAttribute(CTStringAttributeKey.KerningAdjustment, new NSNumber(kern), range);
}
}
return(attributedString);
}
public void SimpleValuesSet()
{
var sa = new CTStringAttributes();
sa.ForegroundColor = UIColor.Blue.CGColor;
sa.Font = new CTFont("Georgia-BoldItalic", 24);
sa.UnderlineStyle = CTUnderlineStyle.Double; // It does not seem to do anything
sa.UnderlineColor = UIColor.Blue.CGColor;
sa.UnderlineStyleModifiers = CTUnderlineStyleModifiers.PatternDashDotDot;
Assert.IsNull(sa.BaselineClass, "#0");
sa.BaselineClass = CTBaselineClass.IdeographicHigh;
Assert.AreEqual(CTBaselineClass.IdeographicHigh, sa.BaselineClass, "#1");
sa.SetBaselineInfo(CTBaselineClass.Roman, 13);
sa.SetBaselineInfo(CTBaselineClass.IdeographicHigh, 3);
sa.SetWritingDirection(CTWritingDirection.LeftToRight);
var size = new SizeF(300, 300);
UIGraphics.BeginImageContext(size);
var gctx = UIGraphics.GetCurrentContext();
gctx.SetFillColor(UIColor.Green.CGColor);
var attributedString = new NSAttributedString("Test_ME~`", sa);
using (var textLine = new CTLine(attributedString)) {
textLine.Draw(gctx);
}
UIGraphics.EndImageContext();
}
void SelectFont()
{
var f = _lastFont;
var name = "Helvetica";
if (f.FontFamily == "Monospace")
{
if (f.IsBold)
{
name = "Courier-Bold";
}
else
{
name = "Courier";
}
}
else if (f.FontFamily == "DBLCDTempBlack")
{
#if MONOMAC
name = "Courier-Bold";
#else
name = f.FontFamily;
#endif
}
else if (f.IsBold)
{
name = "Helvetica-Bold";
}
_attrs = new CTStringAttributes {
Font = new CTFont(name, f.Size),
ForegroundColorFromContext = true,
};
}
public static XIR.Image RemoteRepresentation(this CTFont ctfont)
{
var atts = new CTStringAttributes();
atts.Font = ctfont;
var attdString = new NSAttributedString(exampleString, atts.Dictionary);
return(attdString.RemoteRepresentation());
}
public static XIR.Image RemoteRepresentation(this NSFont nsfont)
{
var atts = new CTStringAttributes();
atts.Font = new CTFont(nsfont.FontName, nsfont.PointSize);
var attdString = new NSAttributedString(exampleString, atts.Dictionary);
return(RemoteRepresentation(attdString));
}
private NSAttributedString IterateChildNodes(XElement element, CTStringAttributes baseAttribs)
{
NSMutableAttributedString mutString = new NSMutableAttributedString ("");
foreach (var child in element.Nodes()) {
NSAttributedString formatted = NodeToAttributedString (child, baseAttribs);
if (formatted != null)
mutString.Append (formatted);
}
return mutString;
}
public SimpleCoreTextView(RectangleF frame)
: base(frame)
{
Layer.GeometryFlipped = true; // For ease of interaction with the CoreText coordinate system.
attributes = new CTStringAttributes ();
Text = string.Empty;
Font = UIFont.SystemFontOfSize (18);
BackgroundColor = UIColor.Clear;
caretView = new SimpleCaretView (RectangleF.Empty);
}
public SimpleCoreTextView(CGRect frame)
: base(frame)
{
Layer.GeometryFlipped = true; // For ease of interaction with the CoreText coordinate system.
attributes = new CTStringAttributes();
Text = string.Empty;
Font = UIFont.SystemFontOfSize(18);
BackgroundColor = UIColor.Clear;
caretView = new SimpleCaretView(CGRect.Empty);
}
public NSAttributedString ToAttributedString(UIFont baseFont)
{
if (_asAttributedString == null) {
CTStringAttributes attrs = new CTStringAttributes ();
attrs.Font = new CTFont(baseFont.Name, baseFont.PointSize);
attrs.ForegroundColor = UIColor.Black.CGColor;
_asAttributedString = IterateChildNodes (Definition, attrs);
}
return _asAttributedString;
}
private void prepareTextFields()
{
var placeholderAttributes = new CTStringAttributes(
new UIStringAttributes {
ForegroundColor = UIColor.White.ColorWithAlpha(0.5f)
}.Dictionary
);
PasswordTextField.TintColor = UIColor.White;
PasswordTextField.AttributedPlaceholder =
new NSAttributedString(Resources.LoginSignUpPasswordPlaceholder, placeholderAttributes);
}
public static FontHolder Create(string faceName, int size, int weight, font_style italic, font_decoration decoration, ref font_metrics fm)
{
var possibleFonts = faceName.Split(',').ToList();
possibleFonts.Add("Helvetica"); // Make sure there's a font in the list.
CTFont font = null;
foreach (var fontName in possibleFonts)
{
// faceName = faceName; // normalize between WPF and Mac for ways to reference custom fonts.
font = new CTFont(fontName.TrimEnd().Replace("./#", ""), size);
// Bold & italic are properties of the CTFont
var traits = CTFontSymbolicTraits.None;
if (italic == font_style.fontStyleItalic)
{
traits |= CTFontSymbolicTraits.Italic;
}
if (weight > 400)
{
traits |= CTFontSymbolicTraits.Bold;
}
font = font.WithSymbolicTraits(font.Size, traits, traits);
if (font != null)
{
break;
}
}
var strAttrs = new CTStringAttributes {
Font = font
};
// initial size must be unscaled when getting these metrics
fm.ascent = (int)Math.Round(font.AscentMetric);
fm.descent = (int)Math.Round(font.DescentMetric);
fm.height = (int)Math.Round(font.AscentMetric + font.DescentMetric);
fm.x_height = (int)Math.Round(font.XHeightMetric);
fm.draw_spaces = decoration.HasFlag(font_decoration.font_decoration_underline) || decoration.HasFlag(font_decoration.font_decoration_linethrough);
var fontHolder = new FontHolder
{
FaceName = faceName,
Size = size,
Attributes = strAttrs,
Decoration = decoration,
Weight = weight
};
return(fontHolder);
}
public void Runs()
{
using (var mas = new NSMutableAttributedString("Bonjour"))
using (var rd = new CTRunDelegate(new MyOps())) {
var sa = new CTStringAttributes()
{
RunDelegate = rd,
};
mas.SetAttributes(sa, new NSRange(3, 3));
using (var fs = new CTFramesetter(mas)) {
Assert.True(MyOps.Ascent, "Ascent called");
Assert.True(MyOps.Descent, "Descent called");
Assert.True(MyOps.Width, "Width called");
}
}
}
private void prepareTextFields()
{
TimeLabel.Font = TimeLabel.Font.GetMonospacedDigitFont();
var stringAttributes = new CTStringAttributes(
new UIStringAttributes {
ForegroundColor = Color.StartTimeEntry.Placeholder.ToNativeColor()
}.Dictionary
);
DescriptionTextField.TintColor = Color.StartTimeEntry.Cursor.ToNativeColor();
DescriptionTextField.AttributedPlaceholder =
new NSAttributedString(Resources.StartTimeEntryPlaceholder, stringAttributes);
DescriptionTextField.BecomeFirstResponder();
}
public void CIAttributedTextImageGenerator()
{
TestRuntime.AssertXcodeVersion(9, 0);
using (var f = new CIAttributedTextImageGenerator()) {
Assert.Null(f.Text, "NSAttributedString/default");
var attr = new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("Arial", 24)
};
using (var s = new NSAttributedString("testString", attr)) {
f.Text = s;
Assert.NotNull(f.Text, "NSAttributedString/not-null");
}
}
}
private void prepareTextFields()
{
var stringAttributes = new CTStringAttributes(
new UIStringAttributes {
ForegroundColor = UIColor.White.ColorWithAlpha(0.5f)
}.Dictionary
);
EmailTextField.TintColor = UIColor.White;
EmailTextField.AttributedPlaceholder =
new NSAttributedString(Resources.LoginSignUpEmailPlaceholder, stringAttributes);
PasswordTextField.TintColor = UIColor.White;
PasswordTextField.AttributedPlaceholder =
new NSAttributedString(Resources.LoginSignUpPasswordPlaceholder, stringAttributes);
ForgotPasswordButton.SetTitle(Resources.LoginForgotPassword, UIControlState.Normal);
}
private static CTStringAttributes GetDefaultAttributes(
string contextFontName = null,
float contextFontSize = 12f,
string contextFontColor = null)
{
var ctattributes = new CTStringAttributes();
var font = contextFontName == null
? new CTFont(CTFontUIFontType.System, contextFontSize, NSLocale.CurrentLocale.Identifier)
: new CTFont(contextFontName, contextFontSize);
ctattributes.Font = font;
if (contextFontColor != null)
{
ctattributes.ForegroundColor = contextFontColor.Parse().ToCGColor();
}
return(ctattributes);
}
private void SetText()
{
CTStringAttributes attrs = new CTStringAttributes();
string text = Element.GetText(out List <HyperlinkLabelLink> links);
if (text != null)
{
var str = new NSMutableAttributedString(text);
str.AddAttribute(UIStringAttributeKey.Font, Element.Font.ToUIFont(), new NSRange(0, str.Length));
var textColor = (Color)Element.GetValue(Label.TextColorProperty);
str.AddAttribute(UIStringAttributeKey.ForegroundColor, textColor.ToUIColor(Color.Black),
new NSRange(0, str.Length));
foreach (var item in links)
{
str.AddAttribute(UIStringAttributeKey.Link, new NSUrl(item.Link), new NSRange(item.Start, item.Text.Length));
}
Control.AttributedText = str;
}
}
UITextField AddTextFieldWithName(string name, string text, UIView overlayView, IEnumerable <UIView> previousRowItems, List <NSLayoutConstraint> constraints)
{
UILabel titleLabel = StyleUtilities.CreateStandardLabel();
titleLabel.Text = name;
overlayView.AddSubview(titleLabel);
var attributes = new CTStringAttributes();
attributes.ForegroundColor = StyleUtilities.DetailOnOverlayPlaceholderColor.CGColor;
UITextField valueField = new UITextField {
WeakDelegate = this,
Font = StyleUtilities.StandardFont,
TextColor = StyleUtilities.DetailOnOverlayColor,
Text = text,
AttributedPlaceholder = new NSAttributedString("Type here...".LocalizedString("Placeholder for profile text fields"), attributes),
TranslatesAutoresizingMaskIntoConstraints = false
};
overlayView.AddSubview(valueField);
// Ensure sufficient spacing from the row above this one
foreach (UIView previousRowItem in previousRowItems)
{
constraints.Add(NSLayoutConstraint.Create(titleLabel, NSLayoutAttribute.Top, NSLayoutRelation.GreaterThanOrEqual, previousRowItem, NSLayoutAttribute.Bottom, 1f, MinimumVerticalSpacingBetweenRows));
}
// Place the title directly above the value
constraints.Add(NSLayoutConstraint.Create(valueField, NSLayoutAttribute.Top, NSLayoutRelation.Equal, titleLabel, NSLayoutAttribute.Bottom, 1f, 0f));
// Position the title and value within the overlay view
constraints.Add(NSLayoutConstraint.Create(titleLabel, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Leading, 1f, StyleUtilities.ContentHorizontalMargin));
constraints.Add(NSLayoutConstraint.Create(valueField, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, titleLabel, NSLayoutAttribute.Leading, 1f, 0f));
constraints.Add(NSLayoutConstraint.Create(valueField, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Trailing, 1f, -1 * StyleUtilities.ContentHorizontalMargin));
return(valueField);
}
private void prepareViews()
{
//This is needed for the ImageView.TintColor bindings to work
foreach (var button in getButtons())
{
button.SetImage(
button.ImageForState(UIControlState.Normal)
.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate),
UIControlState.Normal
);
}
TimeLabel.Font = TimeLabel.Font.GetMonospacedDigitFont();
var stringAttributes = new CTStringAttributes(
new UIStringAttributes {
ForegroundColor = Color.StartTimeEntry.Placeholder.ToNativeColor()
}.Dictionary
);
DescriptionTextView.TintColor = Color.StartTimeEntry.Cursor.ToNativeColor();
DescriptionTextView.BecomeFirstResponder();
}
private void prepareViews()
{
//This is needed for the ImageView.TintColor bindings to work
BillableButton.SetImage(
BillableButton.ImageForState(UIControlState.Normal)
.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate),
UIControlState.Normal
);
TimeLabel.Font = TimeLabel.Font.GetMonospacedDigitFont();
var stringAttributes = new CTStringAttributes(
new UIStringAttributes {
ForegroundColor = Color.StartTimeEntry.Placeholder.ToNativeColor()
}.Dictionary
);
DescriptionTextField.TintColor = Color.StartTimeEntry.Cursor.ToNativeColor();
DescriptionTextField.AttributedPlaceholder =
new NSAttributedString(Resources.StartTimeEntryPlaceholder, stringAttributes);
DescriptionTextField.BecomeFirstResponder();
}
public override void DrawRect(CGRect dirtyRect)
{
base.DrawRect(dirtyRect);
// Use Core Graphic routines to draw our UI
using (CGContext context = NSGraphicsContext.CurrentContext.GraphicsPort)
{
// Fill the screening color.
CGPath path = new CGPath();
CGRect frame = new CGRect(0, 0, base.Frame.Width, base.Frame.Height);
path.AddRect(frame);
ColorView.SetScreeningColor(_screening, context);
context.AddPath(path);
context.DrawPath(CGPathDrawingMode.Fill);
// Draw screening information.
context.TranslateCTM(2, ScreeningsView.VerticalTextOffset);
context.SetTextDrawingMode(CGTextDrawingMode.Fill);
ColorView.SetScreeningColor(_screening, context, true);
CTStringAttributes attrs = new CTStringAttributes();
attrs.ForegroundColorFromContext = true;
attrs.Font = ScreeningControl.StandardFont;
var textPosition = new CGPoint(0, _lineHeight);
string[] lines = _screening.ToScreeningLabelString().Split('\n');
foreach (var line in lines)
{
context.TextPosition = textPosition;
var attributedString = new NSAttributedString(line, attrs);
using (var textLine = new CTLine(attributedString))
{
textLine.Draw(context);
}
textPosition.Y -= _lineHeight;
}
}
NeedsDisplay = true;
}
public static NSAttributedString ToAttributedStringWithMnemonic(this string value, NSDictionary attributes = null)
{
if (value == null)
{
return(null);
}
var match = Regex.Match(value, @"(?<=([^&](?:[&]{2})*)|^)[&](?![&])");
if (match.Success)
{
value = value.Remove(match.Index, 1);
value = value.Replace("&&", "&");
var str = attributes != null ? new NSMutableAttributedString(value, attributes) : new NSMutableAttributedString(value);
var attr = new CTStringAttributes();
attr.UnderlineStyle = CTUnderlineStyle.Single;
str.AddAttributes(attr, new NSRange(match.Index, 1));
return(str);
}
else
{
value = value.Replace("&&", "&");
return(attributes != null ? new NSAttributedString(value, attributes) : new NSAttributedString(value));
}
}
private static NSMutableAttributedString buildAttributedString(string text, Font font,
Color?fontColor = null)
{
// Create a new attributed string definition
var ctAttributes = new CTStringAttributes();
// Font attribute
ctAttributes.Font = font.nativeFont;
// -- 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 (font.Underline)
{
// Underline
#if MONOMAC
int single = (int)AppKit.NSUnderlineStyle.Single;
int solid = (int)AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end underline
}
if (font.Strikeout)
{
// 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);
}
void drawLabel(CGContext ctx, CGRect rect, nfloat yCoord, nfloat xCoord, CTTextAlignment alignment, UIColor color, string label, bool flipContext = true)
{
Console.WriteLine("Finish Draw code");
var attrString = new NSMutableAttributedString (label);
var range = new NSRange (0, attrString.Length);
var uiFont = UIFont.FromName("HelveticaNeue-Medium", range.Length > 1 ? 15 : 22);
var font = new CTFont (uiFont.Name, uiFont.PointSize); //((uiFont.Name as NSString) as CFString, uiFont.pointSize, nil);
var path = new CGPath ();
var alignStyle = new CTParagraphStyle (new CTParagraphStyleSettings { Alignment = alignment });
var attributes = new CTStringAttributes {
Font = font,
ForegroundColor = color.CGColor,
ParagraphStyle = alignStyle
};
attrString.SetAttributes(attributes, new NSRange (0, attrString.Length));
var target = new CGSize (nfloat.MaxValue, nfloat.MaxValue);
var fit = new NSRange (0, 0);
var framesetter = new CTFramesetter (attrString);
var frameSize = framesetter.SuggestFrameSize(range, null, target, out fit);
var textRect = new CGRect (xCoord - (frameSize.Width / 2), yCoord - (frameSize.Height / 2), frameSize.Width, frameSize.Height);
path.AddRect(textRect);
var frame = framesetter.GetFrame(range, path, null);
if (flipContext) {
ctx.SaveState();
ctx.TranslateCTM(0, rect.Height);
ctx.ScaleCTM(1, -1);
frame.Draw(ctx);
ctx.RestoreState();
} else {
frame.Draw(ctx);
}
}
public CoreGraphicsFontMetrics(CTStringAttributes attrs)
{
this.attrs = attrs;
}
private static void DrawText(this CGContext context, string source, float x, float y, string fontName, float fontSize, bool isCenter)
{
var stringAttributes = new CTStringAttributes
{
ForegroundColorFromContext = true,
Font = new CTFont(fontName, fontSize)
};
var attributedString = new NSAttributedString(source, stringAttributes);
context.TextPosition = new PointF(x, y);
using (var textLine = new CTLine(attributedString))
{
if (isCenter)
context.TextPosition = new PointF((float)(x - (textLine.GetTypographicBounds() / 2)), y);
textLine.Draw(context);
}
}
private static NSMutableAttributedString buildAttributedString(string text, Font font,
Color? fontColor=null)
{
// Create a new attributed string definition
var ctAttributes = new CTStringAttributes ();
// Font attribute
ctAttributes.Font = font.nativeFont;
// -- 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 (font.Underline) {
// Underline
#if MONOMAC
int single = (int)AppKit.NSUnderlineStyle.Single;
int solid = (int)AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end underline
}
if (font.Strikeout) {
// 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;
}
void SelectFont ()
{
var f = _lastFont;
var name = "Helvetica";
if (f.FontFamily == "Monospace") {
if (f.IsBold) {
name = "Courier-Bold";
}
else {
name = "Courier";
}
}
else if (f.FontFamily == "DBLCDTempBlack") {
#if MONOMAC
name = "Courier-Bold";
#else
name = f.FontFamily;
#endif
}
else if (f.IsBold) {
name = "Helvetica-Bold";
}
_attrs = new CTStringAttributes {
Font = new CTFont (name, f.Size),
ForegroundColorFromContext = true,
};
}
private NSMutableAttributedString buildAttributedString(string text, Font font, StringFormat format = null,
Color? fontColor=null)
{
// Create a new attributed string definition
var ctAttributes = new CTStringAttributes ();
// Font attribute
ctAttributes.Font = font.nativeFont;
// -- end font
if (format != null && (format.FormatFlags & StringFormatFlags.DirectionVertical) == StringFormatFlags.DirectionVertical)
{
//ctAttributes.VerticalForms = true;
}
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 (font.Underline) {
// Underline
#if MONOMAC
int single = (int)AppKit.NSUnderlineStyle.Single;
int solid = (int)AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end underline
}
if (font.Strikeout) {
// StrikeThrough
#if MONOMAC
int single = (int)AppKit.NSUnderlineStyle.Single;
int solid = (int)AppKit.NSUnderlinePattern.Solid;
var attss = single | solid;
ctAttributes.UnderlineStyleValue = attss;
#else
ctAttributes.UnderlineStyleValue = 1;
#endif
// --- end StrikeThrough
}
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;
}
private UITextField AddTextFieldWithName (string name, string text, UIView overlayView, IEnumerable<UIView> previousRowItems, List<NSLayoutConstraint> constraints)
{
UILabel titleLabel = StyleUtilities.CreateStandardLabel ();
titleLabel.Text = name;
overlayView.AddSubview (titleLabel);
var attributes = new CTStringAttributes ();
attributes.ForegroundColor = StyleUtilities.DetailOnOverlayPlaceholderColor.CGColor;
UITextField valueField = new UITextField {
WeakDelegate = this,
Font = StyleUtilities.StandardFont,
TextColor = StyleUtilities.DetailOnOverlayColor,
Text = text,
AttributedPlaceholder = new NSAttributedString("Type here...".LocalizedString("Placeholder for profile text fields"), attributes),
TranslatesAutoresizingMaskIntoConstraints = false
};
overlayView.AddSubview (valueField);
// Ensure sufficient spacing from the row above this one
foreach (UIView previousRowItem in previousRowItems)
constraints.Add (NSLayoutConstraint.Create (titleLabel, NSLayoutAttribute.Top, NSLayoutRelation.GreaterThanOrEqual, previousRowItem, NSLayoutAttribute.Bottom, 1f, MinimumVerticalSpacingBetweenRows));
// Place the title directly above the value
constraints.Add (NSLayoutConstraint.Create (valueField, NSLayoutAttribute.Top, NSLayoutRelation.Equal, titleLabel, NSLayoutAttribute.Bottom, 1f, 0f));
// Position the title and value within the overlay view
constraints.Add (NSLayoutConstraint.Create (titleLabel, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Leading, 1f, StyleUtilities.ContentHorizontalMargin));
constraints.Add (NSLayoutConstraint.Create (valueField, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, titleLabel, NSLayoutAttribute.Leading, 1f, 0f));
constraints.Add (NSLayoutConstraint.Create (valueField, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, overlayView, NSLayoutAttribute.Trailing, 1f, -1 * StyleUtilities.ContentHorizontalMargin));
return valueField;
}
public CoreGraphicsFontMetrics (CTStringAttributes attrs)
{
this.attrs = attrs;
}
private static NSAttributedString buildAttributedString(string text, Font font, StringFormat format = null, Color?fontColor = null)
{
var ctAttributes = new CTStringAttributes();
ctAttributes.Font = font.nativeFont;
if (fontColor.HasValue)
{
ctAttributes.ForegroundColor = fontColor.Value.ToCGColor();
ctAttributes.ForegroundColorFromContext = false;
}
if (font.Underline)
{
ctAttributes.UnderlineStyle = CTUnderlineStyle.Single;
}
// font.Strikeout - Not used by CoreText, we have to process it ourselves
if (text.IndexOf('\0') >= 0)
{
text = text.Replace("\0", "");
}
if (format == null || format.HotkeyPrefix == System.Drawing.Text.HotkeyPrefix.None)
{
return(new NSAttributedString(text, ctAttributes.Dictionary));
}
var sb = new StringBuilder();
bool wasHotkey = false;
int end = text.Length - 1;
for (int i = 0; i < text.Length; ++i)
{
char c = text[i];
if (wasHotkey || c != '&' || i == end)
{
sb.Append(c);
wasHotkey = false;
}
else if (c == '&')
{
wasHotkey = true;
}
}
var atts = new NSMutableAttributedString(sb.ToString(), ctAttributes.Dictionary);
// Underline
wasHotkey = false;
if (format.HotkeyPrefix == System.Drawing.Text.HotkeyPrefix.Show)
{
int index = 0;
for (int i = 0; i < text.Length; ++i)
{
char c = text[i];
if (wasHotkey)
{
atts.AddAttributes(
new CTStringAttributes()
{
UnderlineStyle = CTUnderlineStyle.Single
},
new NSRange(index, 1));
index++;
wasHotkey = false;
}
else if (c == '&' && i != end && text[i + 1] != '&')
{
wasHotkey = true;
}
else
{
index++;
}
}
}
return(atts);
}
private NSAttributedString NodeToAttributedString(XNode node, CTStringAttributes baseAttribs)
{
CTStringAttributes newAttribs;
switch (node.NodeType) {
case XmlNodeType.Text:
string text = ((XText)node).Value;
text = r_findExcessWhitespace.Replace (text, " ");
return new NSAttributedString (text, baseAttribs);
case XmlNodeType.Element:
switch (((XElement)node).Name.LocalName) {
case "b":
newAttribs = new CTStringAttributes ();
newAttribs.Font = Bolded (baseAttribs.Font);
return IterateChildNodes ((XElement)node, newAttribs);
case "i":
newAttribs = new CTStringAttributes ();
newAttribs.Font = Italicized (baseAttribs.Font);
return IterateChildNodes ((XElement)node, newAttribs);
case "br":
return new NSAttributedString("\n", baseAttribs);
default:
break;
}
break;
}
return null;
}
