■ ICanvas 인터페이스의 DrawImage 메소드를 사용해 이미지를 그리는 방법을 보여준다.
▶ GraphicsDrawable.cs
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using System.Reflection; using Microsoft.Maui.Graphics.Platform; namespace TestProject; /// <summary> /// 그래픽스 그리기 가능형 /// </summary> public class GraphicsDrawable : IDrawable { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 그리기 - Draw(canvas, dirtyRectangle) /// <summary> /// 그리기 /// </summary> /// <param name="canvas">캔버스</param> /// <param name="dirtyRectangle">더티 사각형</param> public void Draw(ICanvas canvas, RectF dirtyRectangle) { canvas.FillColor = Colors.Yellow; canvas.FillRectangle(dirtyRectangle); Assembly assembly = GetType().GetTypeInfo().Assembly; using(Stream stream = assembly.GetManifestResourceStream("TestProject.IMAGE.sample.jpg")) { Microsoft.Maui.Graphics.IImage image = PlatformImage.FromStream(stream); float width; float height; float offset; if(image.Width > image.Height) { width = 250; height = 250 * image.Height / image.Width; offset = (width - height) / 2; canvas.DrawImage(image, 50, 50 + offset, width, height); } else { height = 250; width = 250 * image.Width / image.Height; offset = height - width; canvas.DrawImage(image, 50 + offset, 50, width, height); } } } #endregion } |
▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:local="clr-namespace:TestProject"> <ContentPage.Resources> <local:GraphicsDrawable x:Key="GraphicsDrawableKey" /> </ContentPage.Resources> <GraphicsView HorizontalOptions="Center" VerticalOptions="Center" WidthRequest="350" HeightRequest="350" Drawable="{StaticResource GraphicsDrawableKey}" /> </ContentPage> |
