WPFandInk - 1 Fall 2008 CAP 6938 – Topics in Pen-Based...

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Unformatted text preview: 1 Fall 2008 CAP 6938 – Topics in Pen-Based User Interfaces ©Joseph J. LaViola Jr. Ink and Windows Presentation Foundation Lecture #4: Ink and WPF Joseph J. LaViola Jr. Fall 2008 Fall 2008 CAP 6938 – Topics in Pen-based User Interfaces ©Joseph J. LaViola Jr. From Last Time ¡ Windows Presentation Foundation (WPF) ¢ integration of ¡ ink ¡ 2D Graphics ¡ 3D Graphics ¡ video and audio ¢ uses visual tree model ¡ component based ¡ XAML and C# code ¡ Important control – InkCanvas 2 Fall 2008 CAP 6938 – Topics in Pen-based User Interfaces ©Joseph J. LaViola Jr. Important Ink Components ¡ InkCanvas – System.Windows.Controls ¢ receives and displays ink strokes ¢ starting point for ink applications ¢ stores ink in Strokes ¡ System.Windows.Ink Namespace ¢ contains classes to interact with and manipulate ink ¢ examples ¡ Stroke ¡ InkRecognizer ¡ InkAnalyzer ¡ GestureRecognizer Fall 2008 CAP 6938 – Topics in Pen-based User Interfaces ©Joseph J. LaViola Jr. Dealing with InkCanvas ¡ InkCanvas collects Strokes ¡ Strokes contain StylusPoints ¡ StylusPoints contain X,Y, Pressure ¢ can also be converted into Geometry objects ¡ Strokes contain ¢ digitizer packets ¢ drawing attributes ¢ application-defined data ¡ InkCanvas has several stylus level events ¢ StrokeCollected, StylusInAirMove , … 3 Fall 2008 CAP 6938 – Topics in Pen-based User Interfaces ©Joseph J. LaViola Jr. Strokes and Geometry ¡ Strokes ¢ perform hit tests ¢ get geometry, bounds, Bezier points ¢ add properties ¢ transformations ¡ Geometry ¢ lose pressure and stylus specific data ¢ Within scope of 2D graphics API ¢ get area...
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This note was uploaded on 06/13/2011 for the course CAP 6938 taught by Professor Staff during the Spring '08 term at University of Central Florida.

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WPFandInk - 1 Fall 2008 CAP 6938 – Topics in Pen-Based...

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