本文整理汇总了C#中System.Drawing.RectangleF.GetMidY方法的典型用法代码示例。如果您正苦于以下问题：C# System.Drawing.RectangleF.GetMidY方法的具体用法？C# System.Drawing.RectangleF.GetMidY怎么用？C# System.Drawing.RectangleF.GetMidY使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Drawing.RectangleF的用法示例。
在下文中一共展示了System.Drawing.RectangleF.GetMidY方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DrawArc
public void DrawArc(Pen pen, float x, float y, float width, float height, float startAngle, float sweepAngle)
{
SetOffset(false);
StartDrawing();
var rect = new CGRect(x, y, width, height);
pen.Apply(this);
var yscale = rect.Height / rect.Width;
var centerY = rect.GetMidY();
var centerX = rect.GetMidX();
Control.ConcatCTM(new CGAffineTransform(1.0f, 0, 0, yscale, 0, centerY - centerY * yscale));
Control.AddArc(centerX, centerY, rect.Width / 2, CGConversions.DegreesToRadians(startAngle), CGConversions.DegreesToRadians(startAngle + sweepAngle), sweepAngle < 0);
Control.StrokePath();
EndDrawing();
}示例2: FillPie
public void FillPie(Brush brush, float x, float y, float width, float height, float startAngle, float sweepAngle)
{
SetOffset(true);
StartDrawing();
var rect = new CGRect(x, y, width, height);
Control.SaveState();
var yscale = rect.Height / rect.Width;
var centerY = rect.GetMidY();
var centerX = rect.GetMidX();
Control.ConcatCTM(new CGAffineTransform(1.0f, 0, 0, yscale, 0, centerY - centerY * yscale));
Control.MoveTo(centerX, centerY);
Control.AddArc(centerX, centerY, rect.Width / 2, CGConversions.DegreesToRadians(startAngle), CGConversions.DegreesToRadians(startAngle + sweepAngle), sweepAngle < 0);
Control.AddLineToPoint(centerX, centerY);
Control.ClosePath();
Control.RestoreState();
Control.Clip();
brush.Draw(this, rect.ToEto());
EndDrawing();
}示例3: CreateLayers
private void CreateLayers(UIImage image)
{
if (image == null)
return;
Layer.Sublayers = new CALayer[0];
var imageFrame = new CGRect(
Frame.Width / 2f - Frame.Width / 4f,
Frame.Height / 2f - Frame.Height / 4f,
Frame.Width / 2f,
Frame.Height / 2f);
var imgCenterPoint = new CGPoint(imageFrame.GetMidX(), imageFrame.GetMidY());
var lineFrame = new CGRect(
imageFrame.X - imageFrame.Width / 4f,
imageFrame.Y - imageFrame.Height / 4f,
imageFrame.Width * 1.5f,
imageFrame.Height * 1.5f);
//===============
// circle layer
//===============
circleShape = new CAShapeLayer();
circleShape.Bounds = imageFrame;
circleShape.Position = imgCenterPoint;
circleShape.Path = UIBezierPath.FromOval(imageFrame).CGPath;
circleShape.FillColor = circleColor.CGColor;
circleShape.Transform = CATransform3D.MakeScale(0.0f, 0.0f, 1.0f);
Layer.AddSublayer(circleShape);
circleMaskShape = new CAShapeLayer();
circleMaskShape.Bounds = imageFrame;
circleMaskShape.Position = imgCenterPoint;
circleMaskShape.FillRule = CAShapeLayer.FillRuleEvenOdd;
circleShape.Mask = circleMaskShape;
var maskPath = UIBezierPath.FromRect(imageFrame);
maskPath.AddArc(imgCenterPoint, 0.1f, 0.0f, fPI * 2f, true);
circleMaskShape.Path = maskPath.CGPath;
//===============
// line layer
//===============
lineShapes = new CAShapeLayer[5];
for (int i = 0; i < 5; i++)
{
var line = new CAShapeLayer();
line.Bounds = lineFrame;
line.Position = imgCenterPoint;
line.MasksToBounds = true;
line.Actions = NSDictionary.FromObjectsAndKeys(
new[] { NSNull.Null, NSNull.Null },
new[] { (NSString)"strokeStart", (NSString)"strokeEnd" });
line.StrokeColor = linesColor.CGColor;
line.LineWidth = 1.25f;
line.MiterLimit = 1.25f;
var path = new CGPath();
path.MoveToPoint(lineFrame.GetMidX(), lineFrame.GetMidY());
path.AddLineToPoint(lineFrame.X + lineFrame.Width / 2f, lineFrame.Y);
line.Path = path;
line.LineCap = CAShapeLayer.CapRound;
line.LineJoin = CAShapeLayer.JoinRound;
line.StrokeStart = 0.0f;
line.StrokeEnd = 0.0f;
line.Opacity = 0.0f;
line.Transform = CATransform3D.MakeRotation(fPI / 5f * (i * 2f + 1f), 0.0f, 0.0f, 1.0f);
Layer.AddSublayer(line);
lineShapes[i] = line;
}
//===============
// image layer
//===============
imageShape = new CAShapeLayer();
imageShape.Bounds = imageFrame;
imageShape.Position = imgCenterPoint;
imageShape.Path = UIBezierPath.FromRect(imageFrame).CGPath;
imageShape.FillColor = Checked ? Color.CGColor : SkeletonColor.CGColor;
imageShape.Actions = NSDictionary.FromObjectAndKey(NSNull.Null, (NSString)"fillColor");
Layer.AddSublayer(imageShape);
imageShape.Mask = new CALayer();
imageShape.Mask.Contents = image.CGImage;
imageShape.Mask.Bounds = imageFrame;
imageShape.Mask.Position = imgCenterPoint;
//==============================
// circle transform animation
//==============================
circleTransform.Values = new[]
{
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.0f, 0.0f, 1.0f)), // 0/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.5f, 0.5f, 1.0f)), // 1/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.0f, 1.0f, 1.0f)), // 2/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.2f, 1.2f, 1.0f)), // 3/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.3f, 1.3f, 1.0f)), // 4/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.37f, 1.37f, 1.0f)), // 5/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.4f, 1.4f, 1.0f)), // 6/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.4f, 1.4f, 1.0f)) // 10/10
};
//.........这里部分代码省略.........