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| 37行目: |
37行目: |
| | | | |
| | === XAML === | | === XAML === |
| − | <source lang=xml>
| + | clr-namespace:SkiaSharp.Views.Maui.Controls;assembly=SkiaSharp.Views.Maui.Controls |
| − | <?xml version="1.0" encoding="utf-8" ?>
| |
| − | <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
| |
| − | xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
| |
| − | xmlns:skia="clr-namespace:SkiaSharp.Views.Maui.Controls;assembly=SkiaSharp.Views.Maui.Controls"
| |
| − | x:Class="Maui8.MainPage">
| |
| − | | |
| − | <skia:SKCanvasView x:Name="canvasView"
| |
| − | PaintSurface="canvasViewPaintSurface"
| |
| − | VerticalOptions="Fill"
| |
| − | HorizontalOptions="Fill"
| |
| − | />
| |
| − | | |
| − | </ContentPage>
| |
| − | </source>
| |
| − | | |
| − | === CS ===
| |
| − | 更新はメインスレッドでやる。
| |
| − | <source lang="csharp">
| |
| − | await MainThread.InvokeOnMainThreadAsync(() =>
| |
| − | {
| |
| − | if (_bitmap != null)
| |
| − | _bitmap.Dispose();
| |
| − | _bitmap = bitmap;
| |
| − | | |
| − | canvasView.InvalidateSurface();
| |
| − | });
| |
| − | </source>
| |
| − | | |
| − | 描画
| |
| − | <source lang="csharp">
| |
| − | void canvasViewPaintSurface(Object sender, SKPaintSurfaceEventArgs e)
| |
| − | {
| |
| − | if (_bitmap == null)
| |
| − | return;
| |
| − | using var canvas = e.Surface.Canvas;
| |
| − | canvas.Clear();
| |
| − | canvas.DrawBitmap(_bitmap, x:0, y:0);
| |
| − | }
| |
| − | </source>
| |
| | | | |
| | [[category: MAUI]] | | [[category: MAUI]] |
