您可以使用 方法繪製ICanvasDrawImage影像,此方法需要 IImage 自變數和 x型float別為 的、 ywidth、和 height 自變數。下列範例示範如何載入影像並將其繪製至畫布:C# 複製 using System.Reflection; using IImage = Microsoft.Maui.Graphics.IImage; using Microsoft.Maui.Graphics.Platform; IImage image; Assembly ...
下面先在 Render 方法对接 MAUI 的抽象的Microsoft.Maui.Graphics.ICanvas接口，进行绘制图表。绘制图表的...
Learn more about the Microsoft.Maui.Graphics.PictureCanvas.DrawImage in the Microsoft.Maui.Graphics namespace.
PlatformImage 类 发现 产品文档 开发语言 主题 此主题的部分內容可能由机器或 AI 翻译。 消除警报 版本 .NET MAUI 9 Microsoft.Maui.Controls.Foldable Microsoft.Maui.Controls.Handlers Microsoft.Maui.Controls.Handlers.Items Microsoft.Maui.Controls.Hosting...
= null) { canvas.DrawImage(image, 10, 10, image.Width, image.Height); } 如上所示,除了w...
IImage image; Assembly assembly = GetType().GetTypeInfo().Assembly;using(Stream stream = assembly.GetManifestResourceStream("GraphicsViewDemos.Resources.Images.dotnet_bot.png")) { image = PlatformImage.FromStream(stream); }if(image !=null) { canvas.DrawImage(image,10,10, image.Width, image.Height...
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PNG image is 1800x4000 and 4.31 megs. Put on MAUI page. Run the device on a Galaxy J5 Prime (720x1280 display, 2Gb RAM). The application crashes with this error on Android when the image is displayed: Java.Lang.RuntimeException: Canvas: trying to draw too large(115200000bytes) bitmap...
varskiaCanvas =newSkiaCanvas(); 而SkiaCanvas 需要有一个具体的 Skia 绘制的画板,也就是 Canvas 属性。接下来开始构建 Skia 的画板,采用的是图片的方式,让 Skia 绘制到图片上 先新建图片的信息 varskImageInfo =newSKImageInfo(1920,1080, SKColorType.Bgra8888, SKAlphaType.Opaque, SKColorSpace.CreateSrgb...
在CircleProgressBar.xaml.cs的CodeBehind中,创建OnCanvasViewPaintSurface,通过给定起始角度为正上方,扫描角度为360对于100%进度,通过插值计算出当前进度对应的扫描角度,绘制出进度条。 privatevoidOnCanvasViewPaintSurface(object sender, SKPaintSurfaceEventArgs args){varSumValue=Maximum - Minimum;SKImageInfoinfo=args...