public override void DrawRect(CoreGraphics.CGRect dirtyRect)
{
NSColor.Brown.Set();
NSGraphics.FrameRect(Bounds);
string s = value.ToString();
NSMutableAttributedString attributes = new NSMutableAttributedString(value.ToString());
attributes.AddAttribute(NSStringAttributeKey.Font, NSFont.FromFontName("Helvetica", 96), new NSRange(0, s.Length));
attributes.AddAttribute(NSStringAttributeKey.ForegroundColor, NSColor.Brown, new NSRange(0, s.Length));
attributes.DrawAtPoint(new CoreGraphics.CGPoint(10, 10));
}
private void OnPaint()
{
int textHeight = (int)(this.Frame.Height / 15);
var objects = new object [] { NSFont.FromFontName("Menlo", textHeight) };
var keys = new object [] { "Helvetica" };
NSDictionary txtFont = NSDictionary.FromObjectsAndKeys(objects, keys);
if ((theData != null) && (theData.Count > 0))
{
// calculate sizes
int colWidth = (int)(this.Frame.Width / (theData.Count + 2));
int maxval = 1;
foreach (KeyValuePair <string, int> dp in theData)
{
maxval = (dp.Value > maxval) ? dp.Value : maxval;
}
int baseline = (int)(2 * textHeight);
float heightMultiplier = ((float)this.Frame.Height - (4 * textHeight)) / maxval;
CGSize stringSize = textSize(maxval.ToString(), txtFont);
int lxpos = colWidth - (int)stringSize.Width - 10;
int lypos = (int)(baseline + (heightMultiplier * maxval) - (stringSize.Height / 2));
DrawString(maxval.ToString(), txtFont, NSColor.Black, lxpos, lypos);
NSColor.Black.Set();
NSBezierPath.StrokeLine(new CGPoint(colWidth, baseline), new CGPoint(colWidth * (theData.Count + 1), baseline));
NSBezierPath.StrokeLine(new CGPoint(colWidth, baseline), new CGPoint(colWidth, baseline + (heightMultiplier * maxval)));
NSBezierPath.StrokeLine(new CGPoint(colWidth - 5, baseline + (heightMultiplier * maxval)), new CGPoint(colWidth, baseline + (heightMultiplier * maxval)));
DrawString(title, txtFont, NSColor.Black, 5, lypos + (int)stringSize.Height);
int colPos = 0;
foreach (KeyValuePair <string, int> dp in theData)
{
colPos += colWidth;
int colCentre = colPos + colWidth / 2;
stringSize = textSize(dp.Key, txtFont);
lxpos = colCentre - (int)(stringSize.Width / 2);
lypos = baseline - -textHeight - textHeight / 4;
DrawString(dp.Key, txtFont, NSColor.Black, lxpos, lypos);
if (dp.Value > 0)
{
CGRect colRect = new CGRect(colPos, baseline, colWidth - 1, heightMultiplier * dp.Value);
NSColor.Blue.Set();
NSGraphics.RectFill(colRect);
NSColor.Black.Set();
NSGraphics.FrameRect(colRect);
//e.Graphics.FillRectangle(Brushes.Blue, colPos, baseline - heightMultiplier * dp.Value, colWidth - 1, heightMultiplier * dp.Value);
}
}
}
else
{
CGSize stringSize = textSize("Ay", txtFont);
int lypos = (int)this.Frame.Height - 2 * (int)stringSize.Height;
if (title != null)
{
DrawString(title, txtFont, NSColor.Black, 5, lypos + (int)stringSize.Height);
}
DrawString("No data to display", txtFont, NSColor.Black, 5, lypos + 2 * (int)stringSize.Height);
}
}
public override void DrawRect(CoreGraphics.CGRect dirtyRect)
{
NSColor.Red.Set();
NSGraphics.FrameRect(Bounds);
}