public CTTextTab(CTTextAlignment alignment, double location, CTTextTabOptions options)
{
handle = CTTextTabCreate (alignment, location,
options == null ? IntPtr.Zero : options.Dictionary.Handle);
if (handle == IntPtr.Zero)
throw ConstructorError.Unknown (this);
}
public CTTextTab(CTTextAlignment alignment, double location, CTTextTabOptions options)
{
handle = CTTextTabCreate(alignment, location,
options == null ? IntPtr.Zero : options.Dictionary.Handle);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
public CTTextTab(CTTextAlignment alignment, double location)
: this(alignment, location, null)
{
}
static extern IntPtr CTTextTabCreate(CTTextAlignment alignment, double location, IntPtr options);
public CTTextTab(CTTextAlignment alignment, double location)
: this(alignment, location, null)
{
}
static extern IntPtr CTTextTabCreate(CTTextAlignment alignment, double location, IntPtr options);
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 CTTextTab(CTTextAlignment alignment, double location, CTTextTabOptions?options)
: base(CTTextTabCreate(alignment, location, options.GetHandle()), true, true)
{
}
