943840eba8
This gives the `SKWidget` for Gtk# a massive performance boost by moving the creation of the `SKSurface` (and `SKImageInfo`) to the `CreateDrawingObjects()` method (formally `CreatePixbuf()`). This makes it so that these objects aren't being made every render cycle. That is what was causing the slowdow. This also gets rid of the flicker reported in #534; it's flicker from window dragging & resizing is now on par with that of Cairo's. Another minor optimization was made, removing the call to `base.OnExposeEvent()`. It's not needed and the extra fuction call can siphon off CPU cycles we'd like to keep. Some other optimizations can be made, but most of them probably are very minor. closes #534 |
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README.md
SkiaSharp
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library (https://skia.org/). It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
SkiaSharp provides cross-platform bindings for:
- .NET Standard 1.3
- .NET Core
- Tizen
- Xamarin.Android
- Xamarin.iOS
- Xamarin.tvOS
- Xamarin.watchOS
- Xamarin.Mac
- Windows Classic Desktop (Windows.Forms / WPF)
- Windows UWP (Desktop / Mobile / Xbox / HoloLens)
The API Documentation is available on the web to browse.
Using SkiaSharp
SkiaSharp is available as a convenience NuGet package, to use install the package like this:
nuget install SkiaSharp
Make sure the Visual C++ Redistributable for Visual Studio 2015 is installed if this error occurs on Windows:
Unable to load DLL 'libSkiaSharp.dll': The specified module could not be found.
At this point in time, we do not ship a native Linux binary in the NuGet package, but you can either download our internal Linux binaries attached to the specific release or you can build your own using the directions below.
Building SkiaSharp
Before building SkiaSharp:
- Python 2.7 is available in the
PATHenvironment variable on Windows - Android NDK r14 is available in the
ANDROID_NDK_HOMEenvironment variable on macOS - .NET Core is installed on all platforms
First, clone the repository:
$ git clone https://github.com/mono/SkiaSharp.git
Next, set up the submodules:
$ cd SkiaSharp
$ git submodule update --init --recursive
Finally, build everything:
Mac/Linux:
$ ./bootstrapper.sh -t everything
Windows:
> .\bootstrapper.ps1 -Target everything
Compare Code
Here are some links to show the differences in our code as compared to Google's.
What version are we on? m60
Are we up-to-date with Google? Compare
What have we added? Compare