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29 lines
1.2 KiB
C
29 lines
1.2 KiB
C
/*
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* This file is part of Espruino, a JavaScript interpreter for Microcontrollers
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*
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* Copyright (C) 2021 Gordon Williams <gw@pur3.co.uk>
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* ----------------------------------------------------------------------------
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* Touchscreen gesture detection
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* ----------------------------------------------------------------------------
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*/
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/// initialise stroke detection
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void unistroke_init();
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/// Called when a touch event occurs, returns 'true' if an event should be created (by calling unistroke_getEventVar)
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bool unistroke_touch(int x, int y, int dx, int dy, int pts);
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/// Called when a touch event occurs, and returns the data that should be passed in the event
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JsVar *unistroke_getEventVar();
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/// Convert an array containing XY values to a unistroke var
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JsVar *unistroke_convert(JsVar *xy);
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/// Given an object containing values created with unistroke_convert, compare against an array containing XY values
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JsVar *unistroke_recognise_xy(JsVar *strokes, JsVar *xy);
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