8,416
回編集
差分
== NuGet ==
以下のNuGetをぶちこむ。
* SkiaSharp.Views.Maui.Controls
return builder.Build();
}
}
</source>
=== XAML ===
<source lang=xml>
<?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]]