public override void Draw(RectangleF rect)
{
base.Draw(rect);
using (CGContext context = UIGraphics.GetCurrentContext()) {
// turn on anti-aliasing
context.SetAllowsAntialiasing(true);
context.ClearRect(rect);
foreach (var location in locations)
{
drawableView.Draw(
new RectangleF(
new PointF(
location.X - (drawableView.Size.Height / 2f),
location.Y - (drawableView.Size.Width / 2f)
), drawableView.Size)
);
//
// context.DrawImage (
// new RectangleF (
// new PointF(
// location.X - (drawableView.Size.Height / 2f),
// location.Y - (drawableView.Size.Width / 2f)
// ), drawableView.Size),
// drawableView.CGImage);
}
}
}
public IDisposable CreateContext()
{
UIGraphics.BeginImageContext(_image.Size);
_context = UIGraphics.GetCurrentContext();
_context.ClearRect(new CGRect(0, 0, _image.Size.Width, _image.Size.Height));
return(new IOSTextDrawContext(_setImage));
}
public override void Draw(CGRect rect)
{
using (CGContext g = UIGraphics.GetCurrentContext())
{
g.ClearRect(rect);
this.DrawRect(g, rect, this.border.BorderThickness, this.border.BorderBrush, this.border.Background, this.border.CornerRadius);
}
}
public void Draw()
{
//get graphics context
using (CGContext g = UIGraphics.GetCurrentContext())
{
CGRect rect = new CGRect(x, y, w, h);
g.AddEllipseInRect(rect);
g.Clip();
g.ClearRect(rect);
}
}
public override void Draw(System.Drawing.RectangleF rect)
{
CGContext context = UIGraphics.GetCurrentContext();
context.ClearRect(rect);
context.SetFillColor(0f, 0f);
context.FillRect(rect);
context.SetLineWidth(2.0f);
context.SetStrokeColor(StokeColor);
if (AnnotationViewModel == null)
{
return;
}
foreach (var annotation in AnnotationViewModel.Annotations)
{
renderer.Draw(context, annotation);
}
}
public void Clear(Color color)
{
_c.ClearRect(_c.GetClipBoundingBox());
}
public void Clear(Xamarin.Forms.Color color)
{
_c.ClearRect(_c.GetClipBoundingBox());
}
void drawCenter(CGContext contextRef, SizeF viewSize, PointF center)
{
int innerDiameter = (int)(Math.Min(viewSize.Width, viewSize.Height) - Theme.Thickness);
double innerRadius = innerDiameter / 2.0;
contextRef.SetLineWidth(Theme.Thickness);
RectangleF innerCircle = new RectangleF((float)(center.X - innerRadius), (float)(center.Y - innerRadius), (float)innerDiameter, (float)innerDiameter);
contextRef.AddEllipseInRect(innerCircle);
contextRef.Clip();
contextRef.ClearRect(innerCircle);
contextRef.SetFillColor(Theme.CenterColor.CGColor);
contextRef.FillRect(innerCircle);
}
