solved the compatibility of browsers

src/module/text.js

@@ -7,10 +7,109 @@ define(function(require, exports, module) {
     var Command = require('../core/command');
     var Module = require('../core/module');
     var Renderer = require('../core/render');
+    /**
+     * 针对不同系统、不同浏览器、不同字体做居中兼容性处理
+     * 暂时未增加Linux的处理
+     */
     var FONT_ADJUST = {
+        'safari': {
+            '微软雅黑,Microsoft YaHei': -0.17,
+            '楷体,楷体_GB2312,SimKai': -0.1,
+            '隶书, SimLi': -0.1,
+            'comic sans ms': -0.23,
+            'impact,chicago': -0.15,
+            'times new roman': -0.1,
+            'arial black,avant garde': -0.17,
+            'default': -0.15
+        },
+        'ie': {
+            10: {
+                '微软雅黑,Microsoft YaHei': -0.17,
+                'comic sans ms': -0.17,
+                'impact,chicago': -0.08,
+                'times new roman': 0.04,
+                'arial black,avant garde': -0.17,
+                'default': -0.15
+            },
+            11: {
+                '微软雅黑,Microsoft YaHei': -0.17,
+                'arial,helvetica,sans-serif': -0.17,
+                'comic sans ms': -0.17,
+                'impact,chicago': -0.08,
+                'times new roman': 0.04,
+                'sans-serif': -0.16,
+                'arial black,avant garde': -0.17,
+                'default': -0.15
+            }
+        },
+        'edge': {
+            '微软雅黑,Microsoft YaHei': -0.15,
+            'arial,helvetica,sans-serif': -0.17,
+            'comic sans ms': -0.17,
+            'impact,chicago': -0.08,
+            'sans-serif': -0.16,
+            'arial black,avant garde': -0.17,
+            'default': -0.15
+        },
+        'sg': {
+            '微软雅黑,Microsoft YaHei': -0.15,
+            'arial,helvetica,sans-serif': -0.05,
+            'comic sans ms': -0.22,
+            'impact,chicago': -0.16,
+            'times new roman': -0.03,
+            'arial black,avant garde': -0.22,
+            'default': -0.15
+        },
+        'chrome': {
+            'Mac': {
+                'andale mono': -0.05,
+                'comic sans ms': -0.3,
+                'impact,chicago': -0.13,
+                'times new roman': -0.1,
+                'arial black,avant garde': -0.17,
+                'default': 0
+            },
+            'Win': {
+                '微软雅黑,Microsoft YaHei': -0.15,
+                'arial,helvetica,sans-serif': -0.02,
+                'arial black,avant garde': -0.2,
+                'comic sans ms': -0.2,
+                'impact,chicago': -0.12,
+                'times new roman': -0.02,
+                'default': -0.15
+            },
+            'Lux': {
+                '微软雅黑,Microsoft YaHei': -0.15,
+                'arial black,avant garde': -0.17,
+                'default': -0.15
+            }
+        },
+        'firefox': {
+            'Mac': {
+                '微软雅黑,Microsoft YaHei': -0.2,
+                '宋体,SimSun': -0.15,
+                'comic sans ms': -0.2,
+                'impact,chicago': -0.15,
+                'arial black,avant garde': -0.17,
+                'default': -0.15
+            },
+            'Win': {
+                '微软雅黑,Microsoft YaHei': -0.16,
+                'andale mono': -0.17,
+                'arial,helvetica,sans-serif': -0.17,
+                'comic sans ms': -0.22,
+                'impact,chicago': -0.23,
+                'times new roman': -0.22,
+                'sans-serif': -0.22,
+                'arial black,avant garde': -0.17,
+                'default': -0.16
+            },
+            'Lux': {
                 '微软雅黑,Microsoft YaHei': -0.15,
                 'arial black,avant garde': -0.17,
                 'default': -0.15
+            }
+        }
     };
 
     var TextRenderer = kity.createClass('TextRenderer', {
@@ -36,12 +135,28 @@ define(function(require, exports, module) {
 
             var height = (lineHeight * fontSize) * textArr.length - (lineHeight - 1) * fontSize;
             var yStart = -height / 2;
-
-            if (kity.Browser.ie) {
-                var adjust = FONT_ADJUST[fontFamily] || 0;
-                textGroup.setTranslate(0, adjust * fontSize);
+            var Browser = kity.Browser;
+            var adjust;
+
+            if (Browser.chrome || Browser.opera || Browser.bd ||Browser.lb === "chrome") {
+                adjust = FONT_ADJUST['chrome'][Browser.platform][fontFamily];
+            } else if (Browser.gecko) {
+                adjust = FONT_ADJUST['firefox'][Browser.platform][fontFamily];
+            } else if (Browser.sg) {
+                adjust = FONT_ADJUST['sg'][fontFamily];
+            } else if (Browser.safari) {
+                adjust = FONT_ADJUST['safari'][fontFamily];
+            } else if (Browser.ie) {
+                adjust = FONT_ADJUST['ie'][Browser.version][fontFamily];
+            } else if (Browser.edge) {
+                adjust = FONT_ADJUST['edge'][fontFamily];
+            } else if (Browser.lb) {
+                // 猎豹浏览器的ie内核兼容性模式下
+                adjust = 0.9;
             }
 
+            textGroup.setTranslate(0, (adjust || 0) * fontSize);
+
             var rBox = new kity.Box(),
                 r = Math.round;
 
@@ -62,7 +177,7 @@ define(function(require, exports, module) {
                 while (growth--) {
                     textShape = new kity.Text()
                         .setAttr('text-rendering', 'inherit');
-                    if (kity.Browser.ie) {
+                    if (kity.Browser.ie || kity.Browser.edge) {
                         textShape.setVerticalAlign('top');
                     } else {
                         textShape.setAttr('dominant-baseline', 'text-before-edge');
@@ -74,7 +189,7 @@ define(function(require, exports, module) {
             for (i = 0, text, textShape;
                  (text = textArr[i], textShape = textGroup.getItem(i)); i++) {
                 textShape.setContent(text);
-                if (kity.Browser.ie) {
+                if (kity.Browser.ie || kity.Browser.edge) {
                     textShape.fixPosition();
                 }
             }