| function CVContextData() { |
| this.saved = []; |
| this.cArrPos = 0; |
| this.cTr = new Matrix(); |
| this.cO = 1; |
| var i, len = 15; |
| this.savedOp = createTypedArray('float32', len); |
| for(i = 0; i < len; i += 1) { |
| this.saved[i] = createTypedArray('float32', 16); |
| } |
| this._length = len; |
| } |
| |
| CVContextData.prototype.duplicate = function () { |
| var newLength = this._length * 2; |
| var currentSavedOp = this.savedOp; |
| this.savedOp = createTypedArray('float32', newLength); |
| this.savedOp.set(currentSavedOp); |
| var i = 0; |
| for(i = this._length; i < newLength; i += 1) { |
| this.saved[i] = createTypedArray('float32', 16); |
| } |
| this._length = newLength; |
| }; |
| |
| CVContextData.prototype.reset = function () { |
| this.cArrPos = 0; |
| this.cTr.reset(); |
| this.cO = 1; |
| }; |