android/sdk/src/main/java/com/taobao/weex/utils/WXResourceUtils.java - incubator-weex - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */
 package com.taobao.weex.utils;

 import android.graphics.Color;
 import android.graphics.LinearGradient;
 import android.graphics.Shader;
 import android.support.annotation.NonNull;
 import android.support.v4.util.LruCache;
 import android.util.Pair;
 import android.text.TextUtils;

 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.StringTokenizer;

 /**
  * Class for parse color
  */
 public class WXResourceUtils {

   private final static Map<String, Integer> colorMap = new HashMap<>();
   private final static int RGB_SIZE = 3;
   private final static int RGBA_SIZE = 4;
   private final static int HEX = 16;
   private final static int COLOR_RANGE = 255;
   private final static String RGB = "rgb";
   private final static String RGBA = "rgba";
   private final static SingleFunctionParser.FlatMapper<Integer> FUNCTIONAL_RGB_MAPPER =
           new SingleFunctionParser.FlatMapper<Integer>() {
             @Override
             public Integer map(String raw) {
               int color = WXUtils.parseUnitOrPercent(raw, COLOR_RANGE);
               if (color < 0) {
                 color = 0;
               } else if (color > COLOR_RANGE) {
                 color = COLOR_RANGE;
               }
               return color;
             }
           };

   private final static SingleFunctionParser.NonUniformMapper<Number> FUNCTIONAL_RGBA_MAPPER =
           new SingleFunctionParser.NonUniformMapper<Number>() {
             @Override
             public List<Number> map(List<String> raw) {
               List<Number> result = new ArrayList<>(RGBA_SIZE);
               int i, color;
               for (i = 0; i < RGB_SIZE; i++) {
                 color = WXUtils.parseUnitOrPercent(raw.get(i), COLOR_RANGE);
                 if (color < 0) {
                   color = 0;
                 } else if (color > COLOR_RANGE) {
                   color = COLOR_RANGE;
                 }
                 result.add(color);
               }
               result.add(Float.valueOf(raw.get(i)));
               return result;
             }
           };

   static {
     colorMap.put("aliceblue", 0XFFF0F8FF);
     colorMap.put("antiquewhite", 0XFFFAEBD7);
     colorMap.put("aqua", 0XFF00FFFF);
     colorMap.put("aquamarine", 0XFF7FFFD4);
     colorMap.put("azure", 0XFFF0FFFF);
     colorMap.put("beige", 0XFFF5F5DC);
     colorMap.put("bisque", 0XFFFFE4C4);
     colorMap.put("black", 0XFF000000);
     colorMap.put("blanchedalmond", 0XFFFFEBCD);
     colorMap.put("blue", 0XFF0000FF);
     colorMap.put("blueviolet", 0XFF8A2BE2);
     colorMap.put("brown", 0XFFA52A2A);
     colorMap.put("burlywood", 0XFFDEB887);
     colorMap.put("cadetblue", 0XFF5F9EA0);
     colorMap.put("chartreuse", 0XFF7FFF00);
     colorMap.put("chocolate", 0XFFD2691E);
     colorMap.put("coral", 0XFFFF7F50);
     colorMap.put("cornflowerblue", 0XFF6495ED);
     colorMap.put("cornsilk", 0XFFFFF8DC);
     colorMap.put("crimson", 0XFFDC143C);
     colorMap.put("cyan", 0XFF00FFFF);
     colorMap.put("darkblue", 0XFF00008B);
     colorMap.put("darkcyan", 0XFF008B8B);
     colorMap.put("darkgoldenrod", 0XFFB8860B);
     colorMap.put("darkgray", 0XFFA9A9A9);
     colorMap.put("darkgreen", 0XFF006400);
     colorMap.put("darkkhaki", 0XFFBDB76B);
     colorMap.put("darkmagenta", 0XFF8B008B);
     colorMap.put("darkolivegreen", 0XFF556B2F);
     colorMap.put("darkorange", 0XFFFF8C00);
     colorMap.put("darkorchid", 0XFF9932CC);
     colorMap.put("darkred", 0XFF8B0000);
     colorMap.put("darksalmon", 0XFFE9967A);
     colorMap.put("darkseagreen", 0XFF8FBC8F);
     colorMap.put("darkslateblue", 0XFF483D8B);
     colorMap.put("darkslategray", 0XFF2F4F4F);
     colorMap.put("darkslategrey", 0XFF2F4F4F);
     colorMap.put("darkturquoise", 0XFF00CED1);
     colorMap.put("darkviolet", 0XFF9400D3);
     colorMap.put("deeppink", 0XFFFF1493);
     colorMap.put("deepskyblue", 0XFF00BFFF);
     colorMap.put("dimgray", 0XFF696969);
     colorMap.put("dimgrey", 0XFF696969);
     colorMap.put("dodgerblue", 0XFF1E90FF);
     colorMap.put("firebrick", 0XFFB22222);
     colorMap.put("floralwhite", 0XFFFFFAF0);
     colorMap.put("forestgreen", 0XFF228B22);
     colorMap.put("fuchsia", 0XFFFF00FF);
     colorMap.put("gainsboro", 0XFFDCDCDC);
     colorMap.put("ghostwhite", 0XFFF8F8FF);
     colorMap.put("gold", 0XFFFFD700);
     colorMap.put("goldenrod", 0XFFDAA520);
     colorMap.put("gray", 0XFF808080);
     colorMap.put("grey", 0XFF808080);
     colorMap.put("green", 0XFF008000);
     colorMap.put("greenyellow", 0XFFADFF2F);
     colorMap.put("honeydew", 0XFFF0FFF0);
     colorMap.put("hotpink", 0XFFFF69B4);
     colorMap.put("indianred", 0XFFCD5C5C);
     colorMap.put("indigo", 0XFF4B0082);
     colorMap.put("ivory", 0XFFFFFFF0);
     colorMap.put("khaki", 0XFFF0E68C);
     colorMap.put("lavender", 0XFFE6E6FA);
     colorMap.put("lavenderblush", 0XFFFFF0F5);
     colorMap.put("lawngreen", 0XFF7CFC00);
     colorMap.put("lemonchiffon", 0XFFFFFACD);
     colorMap.put("lightblue", 0XFFADD8E6);
     colorMap.put("lightcoral", 0XFFF08080);
     colorMap.put("lightcyan", 0XFFE0FFFF);
     colorMap.put("lightgoldenrodyellow", 0XFFFAFAD2);
     colorMap.put("lightgray", 0XFFD3D3D3);
     colorMap.put("lightgrey", 0XFFD3D3D3);
     colorMap.put("lightgreen", 0XFF90EE90);
     colorMap.put("lightpink", 0XFFFFB6C1);
     colorMap.put("lightsalmon", 0XFFFFA07A);
     colorMap.put("lightseagreen", 0XFF20B2AA);
     colorMap.put("lightskyblue", 0XFF87CEFA);
     colorMap.put("lightslategray", 0XFF778899);
     colorMap.put("lightslategrey", 0XFF778899);
     colorMap.put("lightsteelblue", 0XFFB0C4DE);
     colorMap.put("lightyellow", 0XFFFFFFE0);
     colorMap.put("lime", 0XFF00FF00);
     colorMap.put("limegreen", 0XFF32CD32);
     colorMap.put("linen", 0XFFFAF0E6);
     colorMap.put("magenta", 0XFFFF00FF);
     colorMap.put("maroon", 0XFF800000);
     colorMap.put("mediumaquamarine", 0XFF66CDAA);
     colorMap.put("mediumblue", 0XFF0000CD);
     colorMap.put("mediumorchid", 0XFFBA55D3);
     colorMap.put("mediumpurple", 0XFF9370DB);
     colorMap.put("mediumseagreen", 0XFF3CB371);
     colorMap.put("mediumslateblue", 0XFF7B68EE);
     colorMap.put("mediumspringgreen", 0XFF00FA9A);
     colorMap.put("mediumturquoise", 0XFF48D1CC);
     colorMap.put("mediumvioletred", 0XFFC71585);
     colorMap.put("midnightblue", 0XFF191970);
     colorMap.put("mintcream", 0XFFF5FFFA);
     colorMap.put("mistyrose", 0XFFFFE4E1);
     colorMap.put("moccasin", 0XFFFFE4B5);
     colorMap.put("navajowhite", 0XFFFFDEAD);
     colorMap.put("navy", 0XFF000080);
     colorMap.put("oldlace", 0XFFFDF5E6);
     colorMap.put("olive", 0XFF808000);
     colorMap.put("olivedrab", 0XFF6B8E23);
     colorMap.put("orange", 0XFFFFA500);
     colorMap.put("orangered", 0XFFFF4500);
     colorMap.put("orchid", 0XFFDA70D6);
     colorMap.put("palegoldenrod", 0XFFEEE8AA);
     colorMap.put("palegreen", 0XFF98FB98);
     colorMap.put("paleturquoise", 0XFFAFEEEE);
     colorMap.put("palevioletred", 0XFFDB7093);
     colorMap.put("papayawhip", 0XFFFFEFD5);
     colorMap.put("peachpuff", 0XFFFFDAB9);
     colorMap.put("peru", 0XFFCD853F);
     colorMap.put("pink", 0XFFFFC0CB);
     colorMap.put("plum", 0XFFDDA0DD);
     colorMap.put("powderblue", 0XFFB0E0E6);
     colorMap.put("purple", 0XFF800080);
     colorMap.put("rebeccapurple", 0XFF663399);
     colorMap.put("red", 0XFFFF0000);
     colorMap.put("rosybrown", 0XFFBC8F8F);
     colorMap.put("royalblue", 0XFF4169E1);
     colorMap.put("saddlebrown", 0XFF8B4513);
     colorMap.put("salmon", 0XFFFA8072);
     colorMap.put("sandybrown", 0XFFF4A460);
     colorMap.put("seagreen", 0XFF2E8B57);
     colorMap.put("seashell", 0XFFFFF5EE);
     colorMap.put("sienna", 0XFFA0522D);
     colorMap.put("silver", 0XFFC0C0C0);
     colorMap.put("skyblue", 0XFF87CEEB);
     colorMap.put("slateblue", 0XFF6A5ACD);
     colorMap.put("slategray", 0XFF708090);
     colorMap.put("slategrey", 0XFF708090);
     colorMap.put("snow", 0XFFFFFAFA);
     colorMap.put("springgreen", 0XFF00FF7F);
     colorMap.put("steelblue", 0XFF4682B4);
     colorMap.put("tan", 0XFFD2B48C);
     colorMap.put("teal", 0XFF008080);
     colorMap.put("thistle", 0XFFD8BFD8);
     colorMap.put("tomato", 0XFFFF6347);
     colorMap.put("turquoise", 0XFF40E0D0);
     colorMap.put("violet", 0XFFEE82EE);
     colorMap.put("wheat", 0XFFF5DEB3);
     colorMap.put("white", 0XFFFFFFFF);
     colorMap.put("whitesmoke", 0XFFF5F5F5);
     colorMap.put("yellow", 0XFFFFFF00);
     colorMap.put("yellowgreen", 0XFF9ACD32);
     colorMap.put("transparent", 0x00000000);
   }

   public static int getColor(String color) {
     return getColor(color, Integer.MIN_VALUE);
   }

   public static int getColor(String color, int defaultColor) {
     if (TextUtils.isEmpty(color)) {
       return defaultColor;
     }
     color = color.trim(); //remove non visible codes

     Integer cache = WXUtils.sCache.get(color);
     if(cache!=null){
       return cache;
     }
     else {
       int resultColor = defaultColor;
       Pair<Boolean, Integer> result;
       ColorConvertHandler[] handlers = ColorConvertHandler.values();
       for (ColorConvertHandler handler : handlers) {
         try {
           result = handler.handle(color);
           if (result.first) {
             resultColor = result.second;
             WXUtils.sCache.put(color, resultColor);
             break;
           }
         } catch (RuntimeException e) {
           WXLogUtils.v("Color_Parser", WXLogUtils.getStackTrace(e));
         }
       }
       return resultColor;
     }
   }

   /**
    * Assembly gradients
    * @param image gradient values contains direction、colors
    * @param width component width
    * @param height component height
    * @return gradient shader
    */
   public static Shader getShader(String image, float width, float height) {
     List<String> valueList = parseGradientValues(image);
     if (valueList != null && valueList.size() == 3) {
       float[] points = parseGradientDirection(valueList.get(0), width, height);
       Shader shader = new LinearGradient(points[0], points[1],
               points[2], points[3],
               getColor(valueList.get(1), Color.WHITE), getColor(valueList.get(2), Color.WHITE),
               Shader.TileMode.CLAMP);
       return shader;
     }
     return null;
   }

   /**
    * parse gradient values contains direction、colors
    * @param image gradient values
    * @return split values by comma
    */
   @NonNull
   private static List<String> parseGradientValues(String image) {
     if (TextUtils.isEmpty(image)) {
       return null;
     }
     image.trim();
     if(image.startsWith("linear-gradient")){
       String valueStr = image.substring(image.indexOf("(") + 1, image.lastIndexOf(")"));
       StringTokenizer tokenizer = new StringTokenizer(valueStr, ",");
       List<String> values = new ArrayList<>();
       String temp = null;
       while (tokenizer.hasMoreTokens()) {
         String token = tokenizer.nextToken();
         if (token.contains("(")) {
           temp = token + ",";
           continue;
         }
         if (token.contains(")")) {
           temp += token;
           values.add(temp);
           temp = null;
           continue;
         }
         if (temp != null) {
           temp += (token + ",");
           continue;
         }
         values.add(token);
       }
       return values;
     }
     return null;
   }

   /**
    * parse gradient direction
    * @param direction gradient direction
    * @param width component width
    * @param height component height
    * @return gradient points
    */
   private static float[] parseGradientDirection(String direction, float width, float height) {
     int x1 = 0, y1 = 1, x2 = 2, y2 = 3;
     float[] points = {0, 0, 0, 0};

     if (!TextUtils.isEmpty(direction)) {
       direction = direction.replaceAll("\\s*", "").toLowerCase();
     }

     switch (direction) {
       //to right
       case "toright":
         points[x2] = width;
         break;
       //to left
       case "toleft":
         points[x1] = width;
         break;
       //to bottom
       case "tobottom":
         points[y2] = height;
         break;
       //to top
       case "totop":
         points[y1] = height;
         break;
       //to bottom right
       case "tobottomright":
         points[x2] = width;
         points[y2] = height;
         break;
       //to top left
       case "totopleft":
         points[x1] = width;
         points[y1] = height;
         break;
     }
     return points;
   }

   public static boolean isNamedColor(String name) {
     return colorMap.containsKey(name);
   }

   enum ColorConvertHandler {
     NAMED_COLOR_HANDLER {
       @Override
       @NonNull Pair<Boolean, Integer> handle(String rawColor) {
         if (colorMap.containsKey(rawColor)) {
           return new Pair<>(Boolean.TRUE, colorMap.get(rawColor));
         } else {
           return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
         }
       }
     },
     RGB_HANDLER {
       @Override
       @NonNull Pair<Boolean, Integer> handle(String rawColor) {
         if (rawColor.length() == 4) {
           //#eee, #333
           int r, g, b;
           r = Integer.parseInt(rawColor.substring(1, 2), HEX);
           g = Integer.parseInt(rawColor.substring(2, 3), HEX);
           b = Integer.parseInt(rawColor.substring(3, 4), HEX);
           return new Pair<>(Boolean.TRUE, Color.rgb(r + (r << 4), g + (g << 4), b + (b << 4)));
         } else if (rawColor.length() == 7 || rawColor.length() == 9) {
           //#eeeeee, #333333
           return new Pair<>(Boolean.TRUE, Color.parseColor(rawColor));
         } else {
           return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
         }
       }
     },
     FUNCTIONAL_RGB_HANDLER {
       @Override
       @NonNull Pair<Boolean, Integer> handle(String rawColor) {
         SingleFunctionParser<Integer> functionParser = new SingleFunctionParser<>(rawColor, FUNCTIONAL_RGB_MAPPER);
         List<Integer> rgb = functionParser.parse(RGB);
         if (null != rgb && rgb.size() == RGB_SIZE) {
           return new Pair<>(Boolean.TRUE, Color.rgb(rgb.get(0), rgb.get(1), rgb.get(2)));
         } else {
           return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
         }
       }
     },

     FUNCTIONAL_RGBA_HANDLER {
       @Override
       @NonNull Pair<Boolean, Integer> handle(String rawColor) {
         SingleFunctionParser<Number> functionParser = new SingleFunctionParser<>(rawColor, FUNCTIONAL_RGBA_MAPPER);
         List<Number> rgba = functionParser.parse(RGBA);
         if (rgba.size() == RGBA_SIZE) {
           return new Pair<>(Boolean.TRUE, Color.argb(
                   parseAlpha(rgba.get(3).floatValue()),
                   rgba.get(0).intValue(),
                   rgba.get(1).intValue(),
                   rgba.get(2).intValue()));
         } else {
           return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
         }
       }
     };

     /**
      * Parse color to #RRGGBB or #AARRGGBB. The parsing algorithm depends on sub-class.
      *
      * @param rawColor color, maybe functional RGB(RGBA), #RGB, keywords color or transparent
      * @return #RRGGBB or #AARRGGBB
      */
     @NonNull abstract Pair<Boolean, Integer> handle(String rawColor);

     /**
      * Parse alpha gradient of color from range 0-1 to range 0-255
      *
      * @param alpha the alpha value, in range 0-1
      * @return the alpha value, in range 0-255
      */
     private static int parseAlpha(float alpha) {
       return (int) (alpha * COLOR_RANGE);
     }
   }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*/
	package com.taobao.weex.utils;

	import android.graphics.Color;
	import android.graphics.LinearGradient;
	import android.graphics.Shader;
	import android.support.annotation.NonNull;
	import android.support.v4.util.LruCache;
	import android.util.Pair;
	import android.text.TextUtils;

	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.StringTokenizer;

	/**
	* Class for parse color
	*/
	public class WXResourceUtils {

	private final static Map<String, Integer> colorMap = new HashMap<>();
	private final static int RGB_SIZE = 3;
	private final static int RGBA_SIZE = 4;
	private final static int HEX = 16;
	private final static int COLOR_RANGE = 255;
	private final static String RGB = "rgb";
	private final static String RGBA = "rgba";
	private final static SingleFunctionParser.FlatMapper<Integer> FUNCTIONAL_RGB_MAPPER =
	new SingleFunctionParser.FlatMapper<Integer>() {
	@Override
	public Integer map(String raw) {
	int color = WXUtils.parseUnitOrPercent(raw, COLOR_RANGE);
	if (color < 0) {
	color = 0;
	} else if (color > COLOR_RANGE) {
	color = COLOR_RANGE;
	}
	return color;
	}
	};

	private final static SingleFunctionParser.NonUniformMapper<Number> FUNCTIONAL_RGBA_MAPPER =
	new SingleFunctionParser.NonUniformMapper<Number>() {
	@Override
	public List<Number> map(List<String> raw) {
	List<Number> result = new ArrayList<>(RGBA_SIZE);
	int i, color;
	for (i = 0; i < RGB_SIZE; i++) {
	color = WXUtils.parseUnitOrPercent(raw.get(i), COLOR_RANGE);
	if (color < 0) {
	color = 0;
	} else if (color > COLOR_RANGE) {
	color = COLOR_RANGE;
	}
	result.add(color);
	}
	result.add(Float.valueOf(raw.get(i)));
	return result;
	}
	};

	static {
	colorMap.put("aliceblue", 0XFFF0F8FF);
	colorMap.put("antiquewhite", 0XFFFAEBD7);
	colorMap.put("aqua", 0XFF00FFFF);
	colorMap.put("aquamarine", 0XFF7FFFD4);
	colorMap.put("azure", 0XFFF0FFFF);
	colorMap.put("beige", 0XFFF5F5DC);
	colorMap.put("bisque", 0XFFFFE4C4);
	colorMap.put("black", 0XFF000000);
	colorMap.put("blanchedalmond", 0XFFFFEBCD);
	colorMap.put("blue", 0XFF0000FF);
	colorMap.put("blueviolet", 0XFF8A2BE2);
	colorMap.put("brown", 0XFFA52A2A);
	colorMap.put("burlywood", 0XFFDEB887);
	colorMap.put("cadetblue", 0XFF5F9EA0);
	colorMap.put("chartreuse", 0XFF7FFF00);
	colorMap.put("chocolate", 0XFFD2691E);
	colorMap.put("coral", 0XFFFF7F50);
	colorMap.put("cornflowerblue", 0XFF6495ED);
	colorMap.put("cornsilk", 0XFFFFF8DC);
	colorMap.put("crimson", 0XFFDC143C);
	colorMap.put("cyan", 0XFF00FFFF);
	colorMap.put("darkblue", 0XFF00008B);
	colorMap.put("darkcyan", 0XFF008B8B);
	colorMap.put("darkgoldenrod", 0XFFB8860B);
	colorMap.put("darkgray", 0XFFA9A9A9);
	colorMap.put("darkgreen", 0XFF006400);
	colorMap.put("darkkhaki", 0XFFBDB76B);
	colorMap.put("darkmagenta", 0XFF8B008B);
	colorMap.put("darkolivegreen", 0XFF556B2F);
	colorMap.put("darkorange", 0XFFFF8C00);
	colorMap.put("darkorchid", 0XFF9932CC);
	colorMap.put("darkred", 0XFF8B0000);
	colorMap.put("darksalmon", 0XFFE9967A);
	colorMap.put("darkseagreen", 0XFF8FBC8F);
	colorMap.put("darkslateblue", 0XFF483D8B);
	colorMap.put("darkslategray", 0XFF2F4F4F);
	colorMap.put("darkslategrey", 0XFF2F4F4F);
	colorMap.put("darkturquoise", 0XFF00CED1);
	colorMap.put("darkviolet", 0XFF9400D3);
	colorMap.put("deeppink", 0XFFFF1493);
	colorMap.put("deepskyblue", 0XFF00BFFF);
	colorMap.put("dimgray", 0XFF696969);
	colorMap.put("dimgrey", 0XFF696969);
	colorMap.put("dodgerblue", 0XFF1E90FF);
	colorMap.put("firebrick", 0XFFB22222);
	colorMap.put("floralwhite", 0XFFFFFAF0);
	colorMap.put("forestgreen", 0XFF228B22);
	colorMap.put("fuchsia", 0XFFFF00FF);
	colorMap.put("gainsboro", 0XFFDCDCDC);
	colorMap.put("ghostwhite", 0XFFF8F8FF);
	colorMap.put("gold", 0XFFFFD700);
	colorMap.put("goldenrod", 0XFFDAA520);
	colorMap.put("gray", 0XFF808080);
	colorMap.put("grey", 0XFF808080);
	colorMap.put("green", 0XFF008000);
	colorMap.put("greenyellow", 0XFFADFF2F);
	colorMap.put("honeydew", 0XFFF0FFF0);
	colorMap.put("hotpink", 0XFFFF69B4);
	colorMap.put("indianred", 0XFFCD5C5C);
	colorMap.put("indigo", 0XFF4B0082);
	colorMap.put("ivory", 0XFFFFFFF0);
	colorMap.put("khaki", 0XFFF0E68C);
	colorMap.put("lavender", 0XFFE6E6FA);
	colorMap.put("lavenderblush", 0XFFFFF0F5);
	colorMap.put("lawngreen", 0XFF7CFC00);
	colorMap.put("lemonchiffon", 0XFFFFFACD);
	colorMap.put("lightblue", 0XFFADD8E6);
	colorMap.put("lightcoral", 0XFFF08080);
	colorMap.put("lightcyan", 0XFFE0FFFF);
	colorMap.put("lightgoldenrodyellow", 0XFFFAFAD2);
	colorMap.put("lightgray", 0XFFD3D3D3);
	colorMap.put("lightgrey", 0XFFD3D3D3);
	colorMap.put("lightgreen", 0XFF90EE90);
	colorMap.put("lightpink", 0XFFFFB6C1);
	colorMap.put("lightsalmon", 0XFFFFA07A);
	colorMap.put("lightseagreen", 0XFF20B2AA);
	colorMap.put("lightskyblue", 0XFF87CEFA);
	colorMap.put("lightslategray", 0XFF778899);
	colorMap.put("lightslategrey", 0XFF778899);
	colorMap.put("lightsteelblue", 0XFFB0C4DE);
	colorMap.put("lightyellow", 0XFFFFFFE0);
	colorMap.put("lime", 0XFF00FF00);
	colorMap.put("limegreen", 0XFF32CD32);
	colorMap.put("linen", 0XFFFAF0E6);
	colorMap.put("magenta", 0XFFFF00FF);
	colorMap.put("maroon", 0XFF800000);
	colorMap.put("mediumaquamarine", 0XFF66CDAA);
	colorMap.put("mediumblue", 0XFF0000CD);
	colorMap.put("mediumorchid", 0XFFBA55D3);
	colorMap.put("mediumpurple", 0XFF9370DB);
	colorMap.put("mediumseagreen", 0XFF3CB371);
	colorMap.put("mediumslateblue", 0XFF7B68EE);
	colorMap.put("mediumspringgreen", 0XFF00FA9A);
	colorMap.put("mediumturquoise", 0XFF48D1CC);
	colorMap.put("mediumvioletred", 0XFFC71585);
	colorMap.put("midnightblue", 0XFF191970);
	colorMap.put("mintcream", 0XFFF5FFFA);
	colorMap.put("mistyrose", 0XFFFFE4E1);
	colorMap.put("moccasin", 0XFFFFE4B5);
	colorMap.put("navajowhite", 0XFFFFDEAD);
	colorMap.put("navy", 0XFF000080);
	colorMap.put("oldlace", 0XFFFDF5E6);
	colorMap.put("olive", 0XFF808000);
	colorMap.put("olivedrab", 0XFF6B8E23);
	colorMap.put("orange", 0XFFFFA500);
	colorMap.put("orangered", 0XFFFF4500);
	colorMap.put("orchid", 0XFFDA70D6);
	colorMap.put("palegoldenrod", 0XFFEEE8AA);
	colorMap.put("palegreen", 0XFF98FB98);
	colorMap.put("paleturquoise", 0XFFAFEEEE);
	colorMap.put("palevioletred", 0XFFDB7093);
	colorMap.put("papayawhip", 0XFFFFEFD5);
	colorMap.put("peachpuff", 0XFFFFDAB9);
	colorMap.put("peru", 0XFFCD853F);
	colorMap.put("pink", 0XFFFFC0CB);
	colorMap.put("plum", 0XFFDDA0DD);
	colorMap.put("powderblue", 0XFFB0E0E6);
	colorMap.put("purple", 0XFF800080);
	colorMap.put("rebeccapurple", 0XFF663399);
	colorMap.put("red", 0XFFFF0000);
	colorMap.put("rosybrown", 0XFFBC8F8F);
	colorMap.put("royalblue", 0XFF4169E1);
	colorMap.put("saddlebrown", 0XFF8B4513);
	colorMap.put("salmon", 0XFFFA8072);
	colorMap.put("sandybrown", 0XFFF4A460);
	colorMap.put("seagreen", 0XFF2E8B57);
	colorMap.put("seashell", 0XFFFFF5EE);
	colorMap.put("sienna", 0XFFA0522D);
	colorMap.put("silver", 0XFFC0C0C0);
	colorMap.put("skyblue", 0XFF87CEEB);
	colorMap.put("slateblue", 0XFF6A5ACD);
	colorMap.put("slategray", 0XFF708090);
	colorMap.put("slategrey", 0XFF708090);
	colorMap.put("snow", 0XFFFFFAFA);
	colorMap.put("springgreen", 0XFF00FF7F);
	colorMap.put("steelblue", 0XFF4682B4);
	colorMap.put("tan", 0XFFD2B48C);
	colorMap.put("teal", 0XFF008080);
	colorMap.put("thistle", 0XFFD8BFD8);
	colorMap.put("tomato", 0XFFFF6347);
	colorMap.put("turquoise", 0XFF40E0D0);
	colorMap.put("violet", 0XFFEE82EE);
	colorMap.put("wheat", 0XFFF5DEB3);
	colorMap.put("white", 0XFFFFFFFF);
	colorMap.put("whitesmoke", 0XFFF5F5F5);
	colorMap.put("yellow", 0XFFFFFF00);
	colorMap.put("yellowgreen", 0XFF9ACD32);
	colorMap.put("transparent", 0x00000000);
	}

	public static int getColor(String color) {
	return getColor(color, Integer.MIN_VALUE);
	}

	public static int getColor(String color, int defaultColor) {
	if (TextUtils.isEmpty(color)) {
	return defaultColor;
	}
	color = color.trim(); //remove non visible codes

	Integer cache = WXUtils.sCache.get(color);
	if(cache!=null){
	return cache;
	}
	else {
	int resultColor = defaultColor;
	Pair<Boolean, Integer> result;
	ColorConvertHandler[] handlers = ColorConvertHandler.values();
	for (ColorConvertHandler handler : handlers) {
	try {
	result = handler.handle(color);
	if (result.first) {
	resultColor = result.second;
	WXUtils.sCache.put(color, resultColor);
	break;
	}
	} catch (RuntimeException e) {
	WXLogUtils.v("Color_Parser", WXLogUtils.getStackTrace(e));
	}
	}
	return resultColor;
	}
	}

	/**
	* Assembly gradients
	* @param image gradient values contains direction、colors
	* @param width component width
	* @param height component height
	* @return gradient shader
	*/
	public static Shader getShader(String image, float width, float height) {
	List<String> valueList = parseGradientValues(image);
	if (valueList != null && valueList.size() == 3) {
	float[] points = parseGradientDirection(valueList.get(0), width, height);
	Shader shader = new LinearGradient(points[0], points[1],
	points[2], points[3],
	getColor(valueList.get(1), Color.WHITE), getColor(valueList.get(2), Color.WHITE),
	Shader.TileMode.CLAMP);
	return shader;
	}
	return null;
	}

	/**
	* parse gradient values contains direction、colors
	* @param image gradient values
	* @return split values by comma
	*/
	@NonNull
	private static List<String> parseGradientValues(String image) {
	if (TextUtils.isEmpty(image)) {
	return null;
	}
	image.trim();
	if(image.startsWith("linear-gradient")){
	String valueStr = image.substring(image.indexOf("(") + 1, image.lastIndexOf(")"));
	StringTokenizer tokenizer = new StringTokenizer(valueStr, ",");
	List<String> values = new ArrayList<>();
	String temp = null;
	while (tokenizer.hasMoreTokens()) {
	String token = tokenizer.nextToken();
	if (token.contains("(")) {
	temp = token + ",";
	continue;
	}
	if (token.contains(")")) {
	temp += token;
	values.add(temp);
	temp = null;
	continue;
	}
	if (temp != null) {
	temp += (token + ",");
	continue;
	}
	values.add(token);
	}
	return values;
	}
	return null;
	}

	/**
	* parse gradient direction
	* @param direction gradient direction
	* @param width component width
	* @param height component height
	* @return gradient points
	*/
	private static float[] parseGradientDirection(String direction, float width, float height) {
	int x1 = 0, y1 = 1, x2 = 2, y2 = 3;
	float[] points = {0, 0, 0, 0};

	if (!TextUtils.isEmpty(direction)) {
	direction = direction.replaceAll("\\s*", "").toLowerCase();
	}

	switch (direction) {
	//to right
	case "toright":
	points[x2] = width;
	break;
	//to left
	case "toleft":
	points[x1] = width;
	break;
	//to bottom
	case "tobottom":
	points[y2] = height;
	break;
	//to top
	case "totop":
	points[y1] = height;
	break;
	//to bottom right
	case "tobottomright":
	points[x2] = width;
	points[y2] = height;
	break;
	//to top left
	case "totopleft":
	points[x1] = width;
	points[y1] = height;
	break;
	}
	return points;
	}

	public static boolean isNamedColor(String name) {
	return colorMap.containsKey(name);
	}

	enum ColorConvertHandler {
	NAMED_COLOR_HANDLER {
	@Override
	@NonNull Pair<Boolean, Integer> handle(String rawColor) {
	if (colorMap.containsKey(rawColor)) {
	return new Pair<>(Boolean.TRUE, colorMap.get(rawColor));
	} else {
	return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
	}
	}
	},
	RGB_HANDLER {
	@Override
	@NonNull Pair<Boolean, Integer> handle(String rawColor) {
	if (rawColor.length() == 4) {
	//#eee, #333
	int r, g, b;
	r = Integer.parseInt(rawColor.substring(1, 2), HEX);
	g = Integer.parseInt(rawColor.substring(2, 3), HEX);
	b = Integer.parseInt(rawColor.substring(3, 4), HEX);
	return new Pair<>(Boolean.TRUE, Color.rgb(r + (r << 4), g + (g << 4), b + (b << 4)));
	} else if (rawColor.length() == 7 \|\| rawColor.length() == 9) {
	//#eeeeee, #333333
	return new Pair<>(Boolean.TRUE, Color.parseColor(rawColor));
	} else {
	return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
	}
	}
	},
	FUNCTIONAL_RGB_HANDLER {
	@Override
	@NonNull Pair<Boolean, Integer> handle(String rawColor) {
	SingleFunctionParser<Integer> functionParser = new SingleFunctionParser<>(rawColor, FUNCTIONAL_RGB_MAPPER);
	List<Integer> rgb = functionParser.parse(RGB);
	if (null != rgb && rgb.size() == RGB_SIZE) {
	return new Pair<>(Boolean.TRUE, Color.rgb(rgb.get(0), rgb.get(1), rgb.get(2)));
	} else {
	return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
	}
	}
	},

	FUNCTIONAL_RGBA_HANDLER {
	@Override
	@NonNull Pair<Boolean, Integer> handle(String rawColor) {
	SingleFunctionParser<Number> functionParser = new SingleFunctionParser<>(rawColor, FUNCTIONAL_RGBA_MAPPER);
	List<Number> rgba = functionParser.parse(RGBA);
	if (rgba.size() == RGBA_SIZE) {
	return new Pair<>(Boolean.TRUE, Color.argb(
	parseAlpha(rgba.get(3).floatValue()),
	rgba.get(0).intValue(),
	rgba.get(1).intValue(),
	rgba.get(2).intValue()));
	} else {
	return new Pair<>(Boolean.FALSE, Color.TRANSPARENT);
	}
	}
	};

	/**
	* Parse color to #RRGGBB or #AARRGGBB. The parsing algorithm depends on sub-class.
	*
	* @param rawColor color, maybe functional RGB(RGBA), #RGB, keywords color or transparent
	* @return #RRGGBB or #AARRGGBB
	*/
	@NonNull abstract Pair<Boolean, Integer> handle(String rawColor);

	/**
	* Parse alpha gradient of color from range 0-1 to range 0-255
	*
	* @param alpha the alpha value, in range 0-1
	* @return the alpha value, in range 0-255
	*/
	private static int parseAlpha(float alpha) {
	return (int) (alpha * COLOR_RANGE);
	}
	}
	}