本文整理匯總了C#中Android.DrawCircle方法的典型用法代碼示例。如果您正苦於以下問題：C# Android.DrawCircle方法的具體用法？C# Android.DrawCircle怎麽用？C# Android.DrawCircle使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Android的用法示例。
在下文中一共展示了Android.DrawCircle方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: OnDraw
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
Paint paint = new Paint () { Color = Color.ForestGreen, StrokeWidth = 5 };
for (int i = 0; i < maxLevel; i++) {
if (i < Level)
paint.SetStyle (Paint.Style.Fill);
else
paint.SetStyle (Paint.Style.Stroke);
canvas.DrawCircle (canvas.Height / 2 + canvas.Height*i , canvas.Height / 2, canvas.Height / 2 - 5, paint);
}
}示例2: Draw
public override void Draw(Android.Graphics.Canvas canvas,
MapView mapView, bool shadow)
{
base.Draw(canvas, mapView, shadow);
var paint = new Paint();
paint.AntiAlias = true;
paint.Color = Color.Purple;
paint.Alpha = 127;
var gp = new GeoPoint((int)(29.97611 * 1e6), (int)(31.132778 * 1e6));
var pt = mapView.Projection.ToPixels(gp, null);
float distance = mapView.Projection.MetersToEquatorPixels(200);
canvas.DrawCircle(pt.X, pt.Y, distance/2, paint);
}示例3: OnDraw
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
var radius = (Height / 2) - 4;
var middleX = Width / 2;
var middleY = Height / 2;
var minutes = (int)time.TotalMinutes;
var rotation = minutes / 60;
var color = baseQuadrantColor;
for (int i = 0; i <= rotation; i++) {
var angle = minutes > 60 ? 360 : (int)((minutes * 360f) / 60);
canvas.DrawArc (new RectF (middleX - radius, middleY - radius, middleX + radius, middleY + radius), -90, angle, true, new Paint {
Color = color,
AntiAlias = true,
});
minutes -= 60;
color = Color.Rgb ((byte)Math.Max (0, color.R - 30),
(byte)Math.Max (0, color.G - 30),
(byte)Math.Max (0, color.B - 30));
}
// Draw chrome
Paint chromeBorder = new Paint {
AntiAlias = true,
Color = chromeColor,
StrokeWidth = 1.ToPixels ()
};
chromeBorder.SetStyle (Paint.Style.Stroke);
canvas.DrawCircle (middleX, middleY, radius, chromeBorder);
// Draw markers
var markerPaint = new Paint {
Color = chromeColor,
AntiAlias = true
};
var innerRadius = radius - 6;
for (int i = 0; i < 8; i++) {
var stepAngle = i * Math.PI / 4;
canvas.DrawCircle (middleX - (int)Math.Round (Math.Sin (stepAngle) * innerRadius),
middleY - (int)Math.Round (Math.Cos (stepAngle) * innerRadius),
1, markerPaint);
}
}示例4: Draw
public override void Draw(Android.Graphics.Canvas canvas)
{
canvas.DrawCircle (mainCenter, mainCenter + 2, radius + radiusBorder, shadowPaint);
canvas.DrawCircle (mainCenter, mainCenter, radius + radiusBorder, darkerBackPaint);
canvas.DrawCircle (mainCenter, mainCenter, radius, backPaint);
canvas.DrawBitmap (icon, mainCenter - icon.Width / 2, mainCenter - icon.Height / 2, imgPaint);
if (Count != 0) {
int bubbleCenter = center - removeRadius - bubbleOffset;
greenPaint.Alpha = redPaint.Alpha = currentBubbleTransparency;
removePaint.Alpha = 255 - currentBubbleTransparency;
canvas.DrawCircle (bubbleCenter, bubbleCenter, removeRadius, removePaint);
canvas.DrawCircle (bubbleCenter, bubbleCenter, innerRadius, Count < 0 ? redPaint : greenPaint);
var c = Math.Abs (Count).ToString ();
var textBounds = new Rect ();
removePaint.GetTextBounds (c, 0, c.Length, textBounds);
canvas.DrawText (c, bubbleCenter, bubbleCenter + textBounds.Height () / 2, removePaint);
}
DrawingCacheEnabled = true;
}