78e0d938cf
This allows IE10 to function. Note that we would normally subclass this type, but ArrayBuffer is implemented in native code, and so is difficult to subclass.
59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
"use strict";
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/*
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Copyright (C) 2012 by Jeremy P. White <jwhite@codeweavers.com>
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This file is part of spice-html5.
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spice-html5 is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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spice-html5 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with spice-html5. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*----------------------------------------------------------------------------
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** SpiceArrayBufferSlice
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** This function is a work around for IE 10, which has no slice()
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** method in it's subclass.
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**--------------------------------------------------------------------------*/
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function SpiceArrayBufferSlice(start, end)
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{
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start = start || 0;
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end = end || this.byteLength;
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if (end < 0)
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end = this.byteLength + end;
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if (start < 0)
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start = this.byteLength + start;
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if (start < 0)
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start = 0;
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if (end < 0)
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end = 0;
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if (end > this.byteLength)
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end = this.byteLength;
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if (start > end)
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start = end;
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var ret = new ArrayBuffer(end - start);
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var in1 = new Uint8Array(this, start, end - start);
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var out = new Uint8Array(ret);
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var i;
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for (i = 0; i < end - start; i++)
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out[i] = in1[i];
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return ret;
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}
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if (! ArrayBuffer.prototype.slice)
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{
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ArrayBuffer.prototype.slice = SpiceArrayBufferSlice;
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console.log("WARNING: ArrayBuffer.slice() is missing; we are extending ArrayBuffer to compensate");
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}
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