46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
(function() {
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var ns = $.namespace("pskl.drawingtools");
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ns.VerticalMirrorPen = function() {
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this.toolId = "tool-vertical-mirror-pen";
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this.helpText = "vertical mirror pen tool";
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this.swap = null
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this.mirroredPreviousCol = null;
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this.mirroredPreviousRow = null;
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};
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pskl.utils.inherit(ns.VerticalMirrorPen, ns.SimplePen);
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ns.VerticalMirrorPen.prototype.setMirrorContext = function() {
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this.swap = this.previousCol;
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this.previousCol = this.mirroredPreviousCol;
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};
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ns.VerticalMirrorPen.prototype.unsetMirrorContext = function() {
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this.mirroredPreviousCol = this.previousCol;
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this.previousCol = this.swap;
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};
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/**
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* @override
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*/
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ns.VerticalMirrorPen.prototype.applyToolAt = function(col, row, color, frame, overlay) {
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this.superclass.applyToolAt.call(this, col, row, color, frame, overlay);
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var mirroredCol = this.getSymmetricCol_(col, frame);
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this.mirroredPreviousCol = mirroredCol;
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this.setMirrorContext();
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this.superclass.applyToolAt.call(this, mirroredCol, row, color, frame, overlay);
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this.unsetMirrorContext();
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};
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/**
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* @private
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*/
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ns.VerticalMirrorPen.prototype.getSymmetricCol_ = function(col, frame) {
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return frame.getWidth() - col - 1;
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};
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})();
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