「MAUIでSkiaSharpを使う」の版間の差分

@@ 53行目: / 53行目: @@
 </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]]