WPF vs Sciter – Terra Informatica Software

	WPF	Sciter
Definition	Windows Presentation Foundation (or WPF) is a graphical subsystem for rendering user interfaces in Windows-based applications by Microsoft.	Is an embeddable graphical user interface engine (dynamic or static library) by Terra Informatica Software.
Released	2007 as part of Windows Vista.	2006 – h-smile core release date (HTMLayout, Sciter1, Sciter2 and Sciter3).
OSes	Microsoft Windows	Microsoft Windows, Mac OS X, Linux/GTK.
Technology	.NET Framework 3.0 and above. Only managed API.	Native code with native plain C API.
Distribution	WindowsBase.dll, PresentationCore.dll, PresentationFoundation.dll (without .NET core) ~ 5 Mb	Single sciter32/64.dll ~ 4 Mb
UI Architecture	XAML DOM tree	W3C compatible DOM tree.
Markup language	XAML	HTML5 and SVG.
Style language	XAML, no cascading	CSS – cascading style sheets.
Code behind UI	.NET languages	tiscript (JavaScript alike, built-in), C, C++, Delphi
Data Binding	XAML data binding: one-time/one-way and two way	built-in string interpolation via stringizer functions; kite – {{mustache}} alike template engine; +plus – AngularJS alike two-way bindings based on Object.observe(); +vlist – one-way, virtual lists bound with arrays of records.
Media services	vector and raster images, audio, video	vector (SVG) and raster images, video with audio.
Graphics	WPF rasterizer on top of DirectX.	Platform graphics: Windows – Direct2D on top of DirectX OS X – CoreGraphics Linux – Cairo
Graphic primitives	2D graphics along with brushes, pens, geometries, and transforms.	All standard CSS primitives including filters and transforms. <canvas> alike graphics primitives for immediate mode drawing along with brushes, pens, geometries, and transforms.
Templates	Look of an element can be defined directly, via its properties, or indirectly with a Template or Style.	Look of an element can be defined directly, via its style properties, or indirectly via style sheets. Structure of elements can be "templated" by Behavior classes (native or in script) and Aspect functions and applied to elements via CSS – properties: behavior, prototype and aspect.
Animations	low level animation via timers and higher level abstractions of animations via the Animation classes.	CSS transform property based animations, timeline (TweenLite alike) animation engine, low level animations via Element.animate().
Printing	Supports paginated documents via DocumentViewer class.	<frame type="pager"> supports print preview and printing of paginated HTML documents. Supports CSS page-break-after/before/inside properties.
Accessibility	Microsoft UI Automation	Microsoft UI Automation on Windows.

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