support high dpi on avalonia remote previewer.

8 years ago · 173ee0037c
1 changed files with 6 additions and 0 deletions
--- a/src/Avalonia.Controls/Remote/Server/RemoteServerTopLevelImpl.cs
+++ b/src/Avalonia.Controls/Remote/Server/RemoteServerTopLevelImpl.cs
@ -102,6 +102,12 @@ namespace Avalonia.Controls.Remote.Server
        
        FrameMessage RenderFrame(int width, int height, ProtocolPixelFormat? format)
        {
+            var scalingX = _dpi.X / 96.0;
+            var scalingY = _dpi.Y / 96.0;
+
+            width = (int)(width * scalingX);
+            height = (int)(height * scalingY);
+
            var fmt = format ?? ProtocolPixelFormat.Rgba8888;
            var bpp = fmt == ProtocolPixelFormat.Rgb565 ? 2 : 4;
            var data = new byte[width * height * bpp];