uint LineNumber(NSTextView textView)
{
NSLayoutManager layoutManager = textView.LayoutManager;
nint lineCharacterRange = layoutManager.NumberOfGlyphs;
var lineRange = new NSRange(0, lineCharacterRange);
var charRane = new NSRange(0, 1);
CGRect lineRect = layoutManager.BoundingRectForGlyphRange(lineRange, textView.TextContainer);
CGRect charRect = layoutManager.BoundingRectForGlyphRange(charRane, textView.TextContainer);
uint lineNum = (uint)(lineRect.Bottom / charRect.Bottom);
return(lineNum);
}
static CGRect GetCharacterBounds(NSRange characterRange, NSLayoutManager layoutManager, NSTextContainer textContainer)
{
var glyphRange = new NSRange();
layoutManager.CharacterRangeForGlyphRange(characterRange, ref glyphRange);
return(layoutManager.BoundingRectForGlyphRange(glyphRange, textContainer));
}
static CGRect GetCharacterBounds(NSRange characterRange, NSLayoutManager layoutManager, NSTextContainer textContainer)
{
var glyphRange = new NSRange();
#if __MOBILE__
layoutManager.CharacterRangeForGlyphRange(characterRange, ref glyphRange);
#else
#pragma warning disable CS0618 // Type or member is obsolete
layoutManager.CharacterRangeForGlyphRange(characterRange, out glyphRange);
#pragma warning restore CS0618 // Type or member is obsolete
#endif
return(layoutManager.BoundingRectForGlyphRange(glyphRange, textContainer));
}
NSRange LineRange(NSTextView textView)
{
NSLayoutManager layoutManager = textView.LayoutManager;
var charRane = new NSRange(0, 1);
CGRect charRect = layoutManager.BoundingRectForGlyphRange(charRane, textView.TextContainer);
var lRect = new CGRect(charRect.Left, charRect.Size.Height * 6, charRect.Size.Width, charRect.Size.Height);
NSRange lRange = layoutManager.GlyphRangeForBoundingRect(lRect, textView.TextContainer);
var nOrange = new NSRange(0, lRange.Location - 1);
return(nOrange);
}
public CGRect boundingRectForCharacter(NSRange range)
{
NSTextStorage textStorage = new NSTextStorage();
textStorage.SetString(this.AttributedText);
NSLayoutManager layoutManager = new NSLayoutManager();
textStorage.AddLayoutManager(layoutManager);
NSTextContainer textContainer = new NSTextContainer(this.Bounds.Size);
textContainer.LineFragmentPadding = 0f;
layoutManager.AddTextContainer(textContainer);
NSRange glyphRange;
glyphRange = layoutManager.CharacterRangeForGlyphRange(range);
return(layoutManager.BoundingRectForGlyphRange(glyphRange, textContainer));
}
public static SizeF MeasureString(NSAttributedString str, SizeF?availableSize = null)
{
SetContainerSize(availableSize);
storage.SetString(str);
return(layout.BoundingRectForGlyphRange(new NSRange(0, (int)str.Length), container).Size.ToEto());
}