44 строки
1.6 KiB
C#
44 строки
1.6 KiB
C#
//
|
|
// Util.cs
|
|
//
|
|
// Author:
|
|
// Eric Maupin <ermau@xamarin.com>
|
|
//
|
|
// Copyright (c) 2012 Xamarin, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
using System.Windows;
|
|
using System.Windows.Media;
|
|
|
|
namespace Xwt.WPFBackend
|
|
{
|
|
public static class Util
|
|
{
|
|
public static Size GetPixelRatios (this Visual self)
|
|
{
|
|
var source = PresentationSource.FromVisual (self);
|
|
if (source == null)
|
|
return new Size (1, 1);
|
|
|
|
Matrix m = source.CompositionTarget.TransformToDevice;
|
|
return new Size (m.M11, m.M22);
|
|
}
|
|
}
|
|
} |