var env = require("../../core/env"); // Fix weird bug in some version of IE11 (like 11.0.9600.178**), // where exception "unexpected call to method or property access" // might be thrown when calling ctx.fill or ctx.stroke after a path // whose area size is zero is drawn and ctx.clip() is called and // shadowBlur is set. See #4572, #3112, #5777. // (e.g., // ctx.moveTo(10, 10); // ctx.lineTo(20, 10); // ctx.closePath(); // ctx.clip(); // ctx.shadowBlur = 10; // ... // ctx.fill(); // ) var shadowTemp = [['shadowBlur', 0], ['shadowColor', '#000'], ['shadowOffsetX', 0], ['shadowOffsetY', 0]]; function _default(orignalBrush) { // version string can be: '11.0' return env.browser.ie && env.browser.version >= 11 ? function () { var clipPaths = this.__clipPaths; var style = this.style; var modified; if (clipPaths) { for (var i = 0; i < clipPaths.length; i++) { var clipPath = clipPaths[i]; var shape = clipPath && clipPath.shape; var type = clipPath && clipPath.type; if (shape && (type === 'sector' && shape.startAngle === shape.endAngle || type === 'rect' && (!shape.width || !shape.height))) { for (var j = 0; j < shadowTemp.length; j++) { // It is save to put shadowTemp static, because shadowTemp // will be all modified each item brush called. shadowTemp[j][2] = style[shadowTemp[j][0]]; style[shadowTemp[j][0]] = shadowTemp[j][1]; } modified = true; break; } } } orignalBrush.apply(this, arguments); if (modified) { for (var j = 0; j < shadowTemp.length; j++) { style[shadowTemp[j][0]] = shadowTemp[j][2]; } } } : orignalBrush; } module.exports = _default;