diff options
Diffstat (limited to 'Xamarin.Forms.Platform.MacOS/Extensions/NSImageExtensions.cs')
| -rw-r--r-- | Xamarin.Forms.Platform.MacOS/Extensions/NSImageExtensions.cs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/Extensions/NSImageExtensions.cs b/Xamarin.Forms.Platform.MacOS/Extensions/NSImageExtensions.cs new file mode 100644 index 00000000..09521731 --- /dev/null +++ b/Xamarin.Forms.Platform.MacOS/Extensions/NSImageExtensions.cs @@ -0,0 +1,22 @@ +using AppKit; + +namespace Xamarin.Forms.Platform.MacOS +{ + public static class NSImageExtensions + { + public static NSImage ResizeTo(this NSImage self, CoreGraphics.CGSize newSize) + { + if (self == null) + return null; + self.ResizingMode = NSImageResizingMode.Stretch; + var resizedImage = new NSImage(newSize); + resizedImage.LockFocus(); + self.Size = newSize; + NSGraphicsContext.CurrentContext.ImageInterpolation = NSImageInterpolation.High; + self.Draw(CoreGraphics.CGPoint.Empty, new CoreGraphics.CGRect(0, 0, newSize.Width, newSize.Height), + NSCompositingOperation.Copy, 1.0f); + resizedImage.UnlockFocus(); + return resizedImage; + } + } +}
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