public static NSMutableAttributedString?WithLineHeight(this NSAttributedString attributedString, double lineHeight)
{
if (attributedString == null || attributedString.Length == 0)
{
return(null);
}
var attribute = (NSParagraphStyle)attributedString.GetAttribute(UIStringAttributeKey.ParagraphStyle, 0, out _);
// if we need to un-set the line height but there is no attribute to modify then we do nothing
if (lineHeight == -1 && attribute == null)
{
return(null);
}
var mutableParagraphStyle = new NSMutableParagraphStyle();
if (attribute != null)
{
mutableParagraphStyle.SetParagraphStyle(attribute);
}
mutableParagraphStyle.LineHeightMultiple = new nfloat(lineHeight >= 0 ? lineHeight : -1);
var mutableAttributedString = new NSMutableAttributedString(attributedString);
mutableAttributedString.AddAttribute
(
UIStringAttributeKey.ParagraphStyle,
mutableParagraphStyle,
new NSRange(0, mutableAttributedString.Length)
);
return(mutableAttributedString);
}
public void Draw(NSRect aCellFrame, NSView aControlView)
{
BookmarkData item = ObjectValue.CastAs <BookmarkData>();
// create attributes for the title and subtitle text
NSMutableParagraphStyle style = new NSMutableParagraphStyle();
style.SetParagraphStyle(NSParagraphStyle.DefaultParagraphStyle);
style.SetLineBreakMode(NSLineBreakMode.NSLineBreakByTruncatingTail);
NSDictionary titleAttr = NSDictionary.DictionaryWithObjectsAndKeys(FontManager.FontMedium, NSAttributedString.NSFontAttributeName,
NSColor.WhiteColor, NSAttributedString.NSForegroundColorAttributeName,
style, NSAttributedString.NSParagraphStyleAttributeName,
null);
NSDictionary subtitleAttr = NSDictionary.DictionaryWithObjectsAndKeys(FontManager.FontSmall, NSAttributedString.NSFontAttributeName,
NSColor.WhiteColor, NSAttributedString.NSForegroundColorAttributeName,
style, NSAttributedString.NSParagraphStyleAttributeName,
null);
style.Release();
NSPoint pt = aCellFrame.origin;
// draw title
NSString title = NSString.StringWithUTF8String(item.Bookmark.Title);
title.DrawAtPointWithAttributes(pt, titleAttr);
NSSize size = title.SizeWithAttributes(titleAttr);
pt.y += size.height;
// draw breadcrumb
List <string> titleTrail = new List <string>();
foreach (Breadcrumb bc in item.Bookmark.BreadcrumbTrail)
{
titleTrail.Add(bc.Title);
}
string breadcrumb = string.Join("/", titleTrail.ToArray());
NSString breadcrumb2 = NSString.StringWithUTF8String(breadcrumb);
breadcrumb2.DrawAtPointWithAttributes(pt, subtitleAttr);
}
public override void DrawRect(NSRect aRect)
{
// draw bars
if (iMaxValue > 0)
{
// draw the current value bar
NSColor colour = NSColor.ColorWithCalibratedRedGreenBlueAlpha(71.0f / 255.0f, 172.0f / 255.0f, 220.0f / 255.0f, 1.0f);
colour.SetStroke();
DrawArc(0, iValue, true);
// draw the preview bar
if (iPreviewEnabled)
{
colour = NSColor.ColorWithCalibratedRedGreenBlueAlpha(187.0f / 255.0f, 187.0f / 255.0f, 0.0f / 255.0f, 1.0f);
colour.SetStroke();
DrawArc(iValue, iPreviewValue, (iPreviewValue > iValue));
}
}
// draw text
if (iText != null)
{
NSMutableParagraphStyle style = new NSMutableParagraphStyle();
style.SetParagraphStyle(NSParagraphStyle.DefaultParagraphStyle);
style.SetAlignment(NSTextAlignment.NSCenterTextAlignment);
NSDictionary dict = NSDictionary.DictionaryWithObjectsAndKeys(FontManager.FontMedium, NSAttributedString.NSFontAttributeName,
style, NSAttributedString.NSParagraphStyleAttributeName,
NSColor.WhiteColor, NSAttributedString.NSForegroundColorAttributeName,
null);
style.Release();
NSSize size = iText.SizeWithAttributes(dict);
NSRect rect = new NSRect((Bounds.Width - size.width) * 0.5f, (Bounds.Height - size.height) * 0.5f, size.width, size.height);
iText.DrawInRectWithAttributes(rect, dict);
}
}
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition)
{
if (string.IsNullOrEmpty(text))
{
return(new CCTexture2D());
}
int imageWidth;
int imageHeight;
var textDef = textDefinition;
var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width;
var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height;
textDef.FontSize *= contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
//bool hasPremultipliedAlpha;
// font
NSFont font = null;
var ext = System.IO.Path.GetExtension(textDef.FontName);
if (!String.IsNullOrEmpty(ext) && ext.ToLower() == ".ttf")
{
try
{
textDef.FontName = LoadFontFile(textDef.FontName);
font = NSFont.FromFontName(textDef.FontName, textDef.FontSize);
}
catch
{
CCLog.Log(".ttf {0} file not found or can not be loaded.", textDef.FontName);
}
}
else
{
// font
font = NSFontManager.SharedFontManager.FontWithFamily(textDef.FontName, NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
}
if (font == null)
{
font = NSFontManager.SharedFontManager.FontWithFamily("Arial", NSFontTraitMask.Unbold | NSFontTraitMask.Unitalic, 0, textDef.FontSize);
CCLog.Log("{0} not found. Defaulting to Arial.", textDef.FontName);
}
// color
var foregroundColor = NSColor.White;
// alignment
var horizontalAlignment = textDef.Alignment;
var verticleAlignement = textDef.LineAlignment;
var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? NSTextAlignment.Right
: (CCTextAlignment.Center == horizontalAlignment) ? NSTextAlignment.Center
: NSTextAlignment.Left;
// LineBreak
var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? NSLineBreakMode.CharWrapping
: (CCLabelLineBreak.Word == textDef.LineBreak) ? NSLineBreakMode.ByWordWrapping
: NSLineBreakMode.Clipping;
var nsparagraphStyle = new NSMutableParagraphStyle();
nsparagraphStyle.SetParagraphStyle(NSMutableParagraphStyle.DefaultParagraphStyle);
nsparagraphStyle.LineBreakMode = lineBreak;
nsparagraphStyle.Alignment = textAlign;
// Create a new attributed string definition
var nsAttributes = new NSStringAttributes();
// Font attribute
nsAttributes.Font = font;
nsAttributes.ForegroundColor = foregroundColor;
nsAttributes.ParagraphStyle = nsparagraphStyle;
var stringWithAttributes = new NSAttributedString(text, nsAttributes);
var realDimensions = stringWithAttributes.Size;
// Mac crashes if the width or height is 0
if (realDimensions == SizeF.Empty)
{
CCLog.Log("Native string:", "Dimensions of native NSAttributedString can not be 0,0");
return(new CCTexture2D());
}
var dimensions = new SizeF(textDef.Dimensions.Width, textDef.Dimensions.Height);
var layoutAvailable = true;
//
// * Note * This seems to only effect Mac because iOS works fine without this work around.
// Right Alignment BoundingRectWithSize does not seem to be working correctly when the following conditions are set:
// 1) Alignment Right
// 2) No dimensions
// 3) There are new line characters embedded in the string.
//
// So we set alignment to Left, calculate our bounds and then restore alignement afterwards before drawing.
//
if (dimensions.Width <= 0)
{
dimensions.Width = 8388608;
layoutAvailable = false;
// Set our alignment variables to left - see notes above.
nsparagraphStyle.Alignment = NSTextAlignment.Left;
stringWithAttributes.Dispose();
stringWithAttributes = null;
stringWithAttributes = new NSAttributedString(text, nsAttributes);
}
if (dimensions.Height <= 0)
{
dimensions.Height = 8388608;
layoutAvailable = false;
}
// Calculate our bounding rectangle
var boundingRect = stringWithAttributes.BoundingRectWithSize(new SizeF((int)dimensions.Width, (int)dimensions.Height),
NSStringDrawingOptions.UsesLineFragmentOrigin);
if (!layoutAvailable)
{
if (dimensions.Width == 8388608)
{
dimensions.Width = boundingRect.Width;
// Restore our alignment before drawing - see notes above.
nsparagraphStyle.Alignment = textAlign;
stringWithAttributes.Dispose();
stringWithAttributes = null;
stringWithAttributes = new NSAttributedString(text, nsAttributes);
}
if (dimensions.Height == 8388608)
{
dimensions.Height = boundingRect.Height;
}
}
imageWidth = (int)dimensions.Width;
imageHeight = (int)dimensions.Height;
// Alignment
var xOffset = 0.0f;
switch (textAlign)
{
case NSTextAlignment.Left:
xOffset = 0;
break;
case NSTextAlignment.Center:
xOffset = (dimensions.Width - boundingRect.Width) / 2.0f;
break;
case NSTextAlignment.Right: xOffset = dimensions.Width - boundingRect.Width; break;
default: break;
}
// Line alignment
var yOffset = (CCVerticalTextAlignment.Top == verticleAlignement ||
boundingRect.Height >= dimensions.Height) ? (dimensions.Height - boundingRect.Height) // align to top
: (CCVerticalTextAlignment.Bottom == verticleAlignement) ? 0 // align to bottom
: (imageHeight - boundingRect.Height) / 2.0f; // align to center
//Find the rect that the string will draw into inside the dimensions
var drawRect = new RectangleF(xOffset
, yOffset
, boundingRect.Width
, boundingRect.Height);
NSImage image = null;
try
{
//Set antialias or not
NSGraphicsContext.CurrentContext.ShouldAntialias = textDef.isShouldAntialias;
image = new NSImage(new SizeF(imageWidth, imageHeight));
image.LockFocus();
// set a default transform
var transform = new NSAffineTransform();
transform.Set();
stringWithAttributes.DrawInRect(drawRect);
image.UnlockFocus();
// We will use Texture2D from stream here instead of CCTexture2D stream.
var tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, image);
// Debugging purposes
// var path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
// var fileName = Path.Combine(path, "Label3.png");
// using (var stream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
// {
// tex.SaveAsPng(stream, imageWidth, imageHeight);
// }
// Create our texture of the label string.
var texture = new CCTexture2D(tex);
return(texture);
}
catch (Exception exc)
{
CCLog.Log("CCLabel: Error creating native label:{0}\n{1}", exc.Message, exc.StackTrace);
}
finally
{
// clean up the resources
if (image != null)
{
image.Dispose();
image = null;
}
if (stringWithAttributes != null)
{
stringWithAttributes.Dispose();
stringWithAttributes = null;
}
}
return(new CCTexture2D());
}
public void Draw(NSRect aCellFrame, NSView aControlView)
{
WrappedDataTrackItem wrapped = ObjectValue.CastAs <WrappedDataTrackItem>();
IDataTrackItem item = wrapped.Item;
// create attributes for the title and subtitle text
NSMutableParagraphStyle style = new NSMutableParagraphStyle();
style.SetParagraphStyle(NSParagraphStyle.DefaultParagraphStyle);
style.SetLineBreakMode(NSLineBreakMode.NSLineBreakByTruncatingTail);
// set font sizes depending on whether this item is a group or track
NSFont titleFont = item.IsGroup ? FontManager.FontLarge : FontManager.FontSemiLarge;
NSFont subtitleFont = item.IsGroup ? FontManager.FontMedium : FontManager.FontSmall;
NSDictionary titleAttr = NSDictionary.DictionaryWithObjectsAndKeys(titleFont, NSAttributedString.NSFontAttributeName,
NSColor.WhiteColor, NSAttributedString.NSForegroundColorAttributeName,
style, NSAttributedString.NSParagraphStyleAttributeName,
null);
NSDictionary subtitleAttr = NSDictionary.DictionaryWithObjectsAndKeys(subtitleFont, NSAttributedString.NSFontAttributeName,
NSColor.WhiteColor, NSAttributedString.NSForegroundColorAttributeName,
style, NSAttributedString.NSParagraphStyleAttributeName,
null);
style.Release();
float vertPos = aCellFrame.origin.y;
float titleIndent = 0.0f;
NSSize size;
NSRect rect;
// draw index for non-group items
if (!item.IsGroup)
{
NSString index = NSString.StringWithUTF8String(string.Format("{0}. ", item.Index + 1));
size = index.SizeWithAttributes(titleAttr);
rect = new NSRect(aCellFrame.MinX, vertPos, size.width, size.height);
index.DrawInRectWithAttributes(rect, titleAttr);
titleIndent = size.width;
}
// draw the title
NSString title = NSString.StringWithUTF8String(item.Title);
size = title.SizeWithAttributes(titleAttr);
rect = new NSRect(aCellFrame.MinX + titleIndent, vertPos, aCellFrame.Width - titleIndent, size.height);
title.DrawInRectWithAttributes(rect, titleAttr);
vertPos += size.height;
// draw subtitle 1 aligned with the left of the cell
if (item.Subtitle1 != string.Empty)
{
NSString subtitle1 = NSString.StringWithUTF8String(item.Subtitle1);
size = subtitle1.SizeWithAttributes(subtitleAttr);
rect = new NSRect(aCellFrame.MinX, vertPos, aCellFrame.Width, size.height);
subtitle1.DrawInRectWithAttributes(rect, subtitleAttr);
vertPos += size.height;
}
// draw subtitle 2 aligned with the left of the cell
if (item.Subtitle2 != string.Empty)
{
NSString subtitle2 = NSString.StringWithUTF8String(item.Subtitle2);
size = subtitle2.SizeWithAttributes(subtitleAttr);
rect = new NSRect(aCellFrame.MinX, vertPos, aCellFrame.Width, size.height);
subtitle2.DrawInRectWithAttributes(rect, subtitleAttr);
}
}