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multi touch trackpad

multi touch trackpad

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Simple multi-touch gesture Algorithm

Simple multi-touch gesture Algorithm 1. Zoom action 1) detected dual-fingerDown event. The distance between the two fingers isolddistant; 2) calculate the distance between two fingers in real time when the two fingers movesampledistant; 3) Calculate the scaling ratio:zoom= sampledistant / olddistant; 4) Repeat2，Step 3An up event occurs. 2. Rotate action 1) detect dual-fingerDown event, record the dual-

Add multi-touch to applications

1. Obtain the multi-touch platform interoperability Library Go to http://archive.msdn.microsoft.com/windowstouchWindows 7 multitouch. Net InterOP Sample LibraryCompile and find errors Add a line break at the end of the resource.h file. Then, find the four images named pic1.jpg,Pic2.jpg,Pic3.jpg,Put pic4.jpg in the \ win7rc_mt \ demo \ multitouch \ mutlitouchwpf \ mtwpfinertia \ images file in the system a

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multi touch trackpad force touch trackpad apple force touch trackpad multi touch pad multi touch pad force touch trackpad macbook pro multi touch mobile phones list
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