$1 Unistroke Gesture Recognizer for iOS

CMUnistrokeGestureRecognizer is a port of the $1 Unistroke Recognizer (aka Dollar Gesture Recognizer) to iOS by Chris Miles.

Read more about it at http://blog.chrismiles.info/2012/12/introducing-cmunistrokegesturerecognizer.html

The $1 Unistroke Recognizer was originally authored by:

Jacob O. Wobbrock, University of Washington
Andrew D. Wilson, Microsoft Research
Yang Li, University of Washington

CMUnistrokeGestureRecognizer is a UIGestureRecognizer subclass, able to recognize any number of unistroke gestures configured by the user. Stroke paths are registered as UIBezierPath objects, making it easy to create and display paths.

The core unistroke recognizer algorithm is written in C, although uses GLKVector2 and GLKMath for high performance vector math on iOS devices. As such, the GLKit framework is required. Unit tests are included.

CMUnistrokeGestureRecognizer is open source, released under an MIT license.

A demo iOS application is included, showing how CMUnistrokeGestureRecognizer can be used and containing all the test strokes used by the algorithm authors. The demo app is open source and released under a MIT license.

Support

CMUnistrokeGestureRecognizer is provided open source with no warranty and no guarantee of support. However, best effort is made to address issues raised on Github.

If you would like assistance with integrating CMUnistrokeGestureRecognizer or modifying it for your needs, contact the author Chris Miles miles.chris@gmail.com for consulting opportunities.

License

CMUnistrokeGestureRecognizer is Copyright (c) Chris Miles 2012 and released open source under a MIT license.

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.

chrismiles/CMUnistrokeGestureRecognizer

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