diff --git a/src/Avalonia.X11/X11Framebuffer.cs b/src/Avalonia.X11/X11Framebuffer.cs index 00288f300d..94f930e9ec 100644 --- a/src/Avalonia.X11/X11Framebuffer.cs +++ b/src/Avalonia.X11/X11Framebuffer.cs @@ -14,6 +14,10 @@ namespace Avalonia.X11 public X11Framebuffer(IntPtr display, IntPtr xid, int depth, int width, int height, double factor) { + // HACK! Please fix renderer, should never ask for 0x0 bitmap. + width = Math.Max(1, width); + height = Math.Max(1, height); + _display = display; _xid = xid; _depth = depth; diff --git a/src/Avalonia.X11/X11Window.cs b/src/Avalonia.X11/X11Window.cs index 6ff5b96f12..919abae243 100644 --- a/src/Avalonia.X11/X11Window.cs +++ b/src/Avalonia.X11/X11Window.cs @@ -102,7 +102,7 @@ namespace Avalonia.X11 valueMask |= SetWindowValuemask.ColorMap; } - int defaultWidth = 300, defaultHeight = 200; + int defaultWidth = 0, defaultHeight = 0; if (!_popup && Screen != null) { @@ -117,6 +117,10 @@ namespace Avalonia.X11 } } + // check if the calculated size is zero then compensate to hardcoded resolution + defaultWidth = Math.Max(defaultWidth, 300); + defaultHeight = Math.Max(defaultHeight, 200); + _handle = XCreateWindow(_x11.Display, _x11.RootWindow, 10, 10, defaultWidth, defaultHeight, 0, depth, (int)CreateWindowArgs.InputOutput, @@ -133,7 +137,7 @@ namespace Avalonia.X11 _renderHandle = _handle; Handle = new PlatformHandle(_handle, "XID"); - _realSize = new PixelSize(300, 200); + _realSize = new PixelSize(defaultWidth, defaultHeight); platform.Windows[_handle] = OnEvent; XEventMask ignoredMask = XEventMask.SubstructureRedirectMask | XEventMask.ResizeRedirectMask diff --git a/src/Shared/PlatformSupport/StandardRuntimePlatform.cs b/src/Shared/PlatformSupport/StandardRuntimePlatform.cs index 8a5a725594..a23c31ca64 100644 --- a/src/Shared/PlatformSupport/StandardRuntimePlatform.cs +++ b/src/Shared/PlatformSupport/StandardRuntimePlatform.cs @@ -75,7 +75,7 @@ namespace Avalonia.Shared.PlatformSupport lock (_btlock) Backtraces.Remove(_backtrace); #endif - _plat.Free(_address, Size); + _plat?.Free(_address, Size); GC.RemoveMemoryPressure(Size); IsDisposed = true; _address = IntPtr.Zero;