public void setStyles(TKChartSeries series)
{
TKChartPaletteItem item = series.Style.Palette.PaletteItemAtIndex(series.Index);
if (series is TKChartColumnSeries && item.Drawables.Length > 1)
{
NSObject drawable = item.Drawables [2];
if (drawable is TKStroke)
{
TKStroke stroke = drawable as TKStroke;
series.YAxis.Style.LineStroke = new TKStroke(stroke.Fill);
}
else
{
series.YAxis.Style.LineStroke = new TKStroke(item.Stroke.Fill);
}
}
else
{
series.YAxis.Style.LineStroke = new TKStroke(item.Stroke.Fill);
}
series.YAxis.Style.MajorTickStyle.TicksFill = series.YAxis.Style.LineStroke.Fill;
series.YAxis.Style.MajorTickStyle.MaxTickClippingMode = TKChartAxisClippingMode.Visible;
series.YAxis.Style.MajorTickStyle.MinTickClippingMode = TKChartAxisClippingMode.Visible;
if (series.YAxis.Style.MajorTickStyle.TicksFill is TKSolidFill)
{
TKSolidFill solidFill = series.YAxis.Style.MajorTickStyle.TicksFill as TKSolidFill;
series.YAxis.Style.LabelStyle.TextColor = solidFill.Color;
}
}
public override TKChartPaletteItem PaletteItemForSeries(TKChart chart, TKChartSeries series, nint index)
{
TKChartPaletteItem item = null;
if (series.Index == 1)
{
UIColor[] colors = new UIColor[] {
new UIColor(0f, 1f, 0f, 0.4f),
new UIColor(1f, 0f, 0f, 0.4f),
new UIColor(0f, 0f, 1f, 0.4f),
};
TKLinearGradientFill gradient = new TKLinearGradientFill(colors, new PointF(0.5f, 0.0f), new PointF(0.5f, 1.0f));
item = new TKChartPaletteItem(gradient);
}
else
{
TKImageFill image = new TKImageFill(new UIImage("pattern1.png"), 5.0f);
image.ResizingMode = TKImageFillResizingMode.Tile;
TKStroke stroke = new TKStroke(UIColor.Black, 1.0f);
stroke.CornerRadius = 5.0f;
stroke.DashPattern = new NSNumber[] { new NSNumber(2), new NSNumber(2), new NSNumber(5), new NSNumber(2) };
item = new TKChartPaletteItem(new NSObject[] { image, stroke });
}
return(item);
}
public override void DrawInContext(CGContext ctx)
{
UIGraphics.PushContext(ctx);
CGRect bounds = this.Bounds;
TKFill fill = this.LabelStyle.Fill;
TKStroke stroke = new TKStroke(UIColor.Black);
TKBalloonShape shape = new TKBalloonShape(TKBalloonShapeArrowPosition.Bottom, new CGSize(bounds.Size.Width - stroke.Width, bounds.Size.Height - stroke.Width));
CGRect textRect;
if (this.IsOutsideBounds == true)
{
shape.ArrowPosition = TKBalloonShapeArrowPosition.Top;
textRect = new CGRect(bounds.Left, bounds.Top - this.LabelStyle.Insets.Top + shape.ArrowSize.Height, bounds.Size.Width, bounds.Size.Height + this.LabelStyle.Insets.Bottom);
}
else
{
textRect = new CGRect(bounds.Left, bounds.Top - this.LabelStyle.Insets.Top, bounds.Size.Width, bounds.Size.Height + this.LabelStyle.Insets.Bottom);
}
shape.DrawInContext(ctx, new CGPoint(bounds.GetMidX(), bounds.GetMidY()), new TKDrawing[] { fill, stroke });
NSMutableParagraphStyle paragraphStyle = new NSMutableParagraphStyle();
paragraphStyle.Alignment = this.LabelStyle.TextAlignment;
NSDictionary attributes = new NSDictionary(UIStringAttributeKey.Font, UIFont.SystemFontOfSize(18),
UIStringAttributeKey.ForegroundColor, this.LabelStyle.TextColor,
UIStringAttributeKey.ParagraphStyle, paragraphStyle);
NSString text = new NSString(this.Text);
text.WeakDrawString(textRect, NSStringDrawingOptions.TruncatesLastVisibleLine | NSStringDrawingOptions.UsesLineFragmentOrigin, attributes, null);
UIGraphics.PopContext();
}
public override void DrawInContext (CGContext ctx)
{
UIGraphics.PushContext (ctx);
CGRect bounds = this.Bounds;
TKFill fill = this.LabelStyle.Fill;
TKStroke stroke = new TKStroke (UIColor.Black);
TKBalloonShape shape = new TKBalloonShape (TKBalloonShapeArrowPosition.Bottom ,new CGSize(bounds.Size.Width - stroke.Width, bounds.Size.Height - stroke.Width));
CGRect textRect;
if (this.IsOutsideBounds == true) {
shape.ArrowPosition = TKBalloonShapeArrowPosition.Top;
textRect = new CGRect (bounds.Left, bounds.Top - this.LabelStyle.Insets.Top + shape.ArrowSize.Height, bounds.Size.Width, bounds.Size.Height + this.LabelStyle.Insets.Bottom);
} else {
textRect = new CGRect (bounds.Left, bounds.Top - this.LabelStyle.Insets.Top, bounds.Size.Width, bounds.Size.Height + this.LabelStyle.Insets.Bottom);
}
shape.DrawInContext (ctx, new CGPoint (bounds.GetMidX (), bounds.GetMidY ()), new TKDrawing[]{ fill, stroke });
NSMutableParagraphStyle paragraphStyle = new NSMutableParagraphStyle ();
paragraphStyle.Alignment = this.LabelStyle.TextAlignment;
NSDictionary attributes = new NSDictionary (UIStringAttributeKey.Font, UIFont.SystemFontOfSize (18),
UIStringAttributeKey.ForegroundColor, this.LabelStyle.TextColor,
UIStringAttributeKey.ParagraphStyle, paragraphStyle);
NSString text = new NSString (this.Text);
text.WeakDrawString (textRect, NSStringDrawingOptions.TruncatesLastVisibleLine | NSStringDrawingOptions.UsesLineFragmentOrigin, attributes, null);
UIGraphics.PopContext ();
}
void snippet11()
{
// >> chart-drawing-stroke-rounded-corners-cs
var stroke = new TKStroke(UIColor.Blue, 1.0f);
stroke.CornerRadius = 5.0f;
// << chart-drawing-stroke-rounded-corners-cs
}
void snippet10()
{
// >> chart-drawing-stroke-cs
var stroke = new TKStroke(UIColor.Blue);
// << chart-drawing-stroke-cs
Console.WriteLine(stroke);
}
void snippet12()
{
// >> chart-drawing-stroke-dashed-cs
var stroke = new TKStroke(UIColor.Blue, 1.0f);
stroke.CornerRadius = 5.0f;
stroke.DashPattern = new NSNumber[] { new NSNumber(2), new NSNumber(2), new NSNumber(5), new NSNumber(2) };
// << chart-drawing-stroke-dashed-cs
}
void snippet13()
{
// >> chart-drawing-stroke-gradient-cs
var fill = new TKLinearGradientFill(new UIColor[] {
new UIColor(0.0f, 1.0f, 0.0f, 0.6f),
new UIColor(1.0f, 0.0f, 0.0f, 0.6f),
new UIColor(0.0f, 0.0f, 1.0f, 0.6f)
}, new CGPoint(0, 0), new CGPoint(1, 1));
var stroke = new TKStroke(fill, 1.0f);
stroke.CornerRadius = 5.0f;
// << chart-drawing-stroke-gradient-cs
}
void snippet14()
{
// >> chart-drawing-stroke-combined-cs
var fill = new TKLinearGradientFill(new UIColor[] {
new UIColor(0.0f, 1.0f, 0.0f, 0.6f),
new UIColor(1.0f, 0.0f, 0.0f, 0.6f),
new UIColor(0.0f, 0.0f, 1.0f, 0.6f)
}, new CGPoint(0, 0), new CGPoint(1, 1));
var stroke = new TKStroke(fill, 1.0f);
stroke.CornerRadius = 5.0f;
stroke.DashPattern = new NSNumber[] { new NSNumber(2), new NSNumber(2), new NSNumber(5), new NSNumber(2) };
stroke.Corners = UIRectCorner.TopRight | UIRectCorner.BottomLeft;
// << chart-drawing-stroke-combined-cs
}
// >> chart-ohlc-visual-cs
public override TKChartPaletteItem PaletteItemForSeries(TKChart chart, TKChartSeries series, nint index)
{
var dataPoint = series.DataPointAtIndex((uint)index);
TKStroke stroke = null;
if (dataPoint.Close.DoubleValue < dataPoint.Open.DoubleValue)
{
stroke = new TKStroke(UIColor.Red);
}
else
{
stroke = new TKStroke(UIColor.Green);
}
var paletteItem = new TKChartPaletteItem(stroke);
return(paletteItem);
}
// >> chart-candlestick-visual-cs
public override TKChartPaletteItem PaletteItemForSeries(TKChart chart, TKChartSeries series, nint index)
{
var dataPoint = series.DataPointAtIndex((uint)index);
var stroke = new TKStroke(UIColor.Black);
var fill = new TKSolidFill();
if (dataPoint.Close.DoubleValue < dataPoint.Open.DoubleValue)
{
fill.Color = UIColor.Red;
}
else
{
fill.Color = UIColor.Green;
}
var paletteItem = new TKChartPaletteItem(stroke, fill);
return(paletteItem);
}
void snippet18()
{
TKChartSeries series = null;
// >> chart-drawing-pallete-items-arrays-cs
series.Style.Palette = new TKChartPalette();
var redFill = new TKSolidFill(UIColor.Red, 2.0f);
var stroke1 = new TKStroke(UIColor.Yellow, 1.0f);
stroke1.CornerRadius = 2.0f;
stroke1.Insets = new UIEdgeInsets(1, 1, 1, 1);
var stroke2 = new TKStroke(UIColor.Black, 1.0f);
stroke2.CornerRadius = 2.0f;
series.Style.Palette.AddPaletteItem(new TKChartPaletteItem(new TKDrawing[] { redFill, stroke1, stroke2 }));
// << chart-drawing-pallete-items-arrays-cs
// >> chart-drawing-pallete-point-cs
series.Style.PointShape = new TKPredefinedShape(TKShapeType.Rhombus, new CGSize(15, 15));
// << chart-drawing-pallete-point-cs
}
public override TKChartPaletteItem PaletteItemForSeries(TKChart chart, TKChartSeries series, nint index)
{
TKChartPaletteItem item = null;
if (series.Index == 1) {
UIColor[] colors = new UIColor[] {
new UIColor(0f, 1f, 0f, 0.4f),
new UIColor(1f, 0f, 0f, 0.4f),
new UIColor(0f, 0f, 1f, 0.4f),
};
TKLinearGradientFill gradient = new TKLinearGradientFill(colors, new PointF (0.5f, 0.0f), new PointF (0.5f, 1.0f));
item = new TKChartPaletteItem (gradient);
} else {
TKImageFill image = new TKImageFill(new UIImage ("pattern1.png"), 5.0f);
image.ResizingMode = TKImageFillResizingMode.Tile;
TKStroke stroke = new TKStroke (UIColor.Black, 1.0f);
stroke.CornerRadius = 5.0f;
stroke.DashPattern = new NSNumber[] { new NSNumber(2), new NSNumber(2), new NSNumber(5), new NSNumber(2) };
item = new TKChartPaletteItem (new NSObject[] { image, stroke });
}
return item;
}
