зеркало из https://github.com/xamarin/ios-samples.git
107 строки
3.6 KiB
C#
107 строки
3.6 KiB
C#
//
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// WeatherAnnotationView.cs
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//
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// Author: Jeffrey Stedfast <jeff@xamarin.com>
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//
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// Copyright (c) 2011 Xamarin Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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using System;
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using CoreGraphics;
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using System.Reflection;
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using UIKit;
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using MapKit;
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using Foundation;
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namespace WeatherMap
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{
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public class WeatherAnnotationView : MKAnnotationView
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{
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public WeatherAnnotationView (IMKAnnotation annotation, string reuseIdentifier) : base (annotation, reuseIdentifier)
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{
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CGRect frame = Frame;
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frame.Size = new CGSize (60.0f, 85.0f);
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Frame = frame;
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BackgroundColor = UIColor.Clear;
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CenterOffset = new CGPoint (30.0f, 42.0f);
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}
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public override void Draw (CGRect rect)
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{
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WeatherForecastAnnotation annotation;
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CGPath path;
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base.Draw (rect);
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annotation = Annotation as WeatherForecastAnnotation;
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if (annotation == null)
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return;
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// Get the current graphics context
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using (var context = UIGraphics.GetCurrentContext ()) {
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context.SetLineWidth (1.0f);
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// Draw the gray pointed shape:
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path = new CGPath ();
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path.MoveToPoint (14.0f, 0.0f);
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path.AddLineToPoint (0.0f, 0.0f);
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path.AddLineToPoint (55.0f, 50.0f);
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context.AddPath (path);
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context.SetFillColor (UIColor.LightGray.CGColor);
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context.SetStrokeColor (UIColor.Gray.CGColor);
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context.DrawPath (CGPathDrawingMode.FillStroke);
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// Draw the cyan rounded box
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path = new CGPath ();
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path.MoveToPoint (15.0f, 0.5f);
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path.AddArcToPoint (59.5f, 00.5f, 59.5f, 05.0f, 5.0f);
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path.AddArcToPoint (59.5f, 69.5f, 55.5f, 69.5f, 5.0f);
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path.AddArcToPoint (10.5f, 69.5f, 10.5f, 64.0f, 5.0f);
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path.AddArcToPoint (10.5f, 00.5f, 15.5f, 00.5f, 5.0f);
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context.AddPath (path);
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context.SetFillColor (UIColor.Cyan.CGColor);
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context.SetStrokeColor (UIColor.Blue.CGColor);
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context.DrawPath (CGPathDrawingMode.FillStroke);
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// Create the location & temperature string
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WeatherForecast forecast = annotation.Forecast;
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NSString temperature = new NSString (string.Format ("{0}\n{1} / {2}", forecast.Place, forecast.High, forecast.Low));
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// Draw the text in black
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UIColor.Black.SetColor ();
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temperature.DrawString (new CGRect (15.0f, 5.0f, 50.0f, 40.0f), UIFont.SystemFontOfSize (11.0f));
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temperature.Dispose ();
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// Draw the icon for the weather condition
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string imageName = string.Format ("WeatherMap.WeatherIcons.{0}.png", forecast.Condition);
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UIImage image = UIImage.FromResource (typeof(WeatherAnnotationView).Assembly, imageName);
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image.Draw (new CGRect (12.5f, 28.0f, 45.0f, 45.0f));
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image.Dispose ();
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}
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}
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}
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}
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