feat(attr): add pattern

demos/03_choropleths_polygon.html

@@ -81,6 +81,7 @@ scene.on('loaded', () => {
         }
     })
     .shape('fill')
+    .pattern('id1')
     .active(true)
     .style({
       opacity: 1

src/attr/filter.js

@@ -1,15 +1,15 @@
 /*
  * @Author: ThinkGIS
  * @Date: 2018-06-14 20:13:18
- * @Last Modified by: ThinkGIS
- * @Last Modified time: 2018-07-15 17:26:40
+ * @Last Modified by: mikey.zhaopeng
+ * @Last Modified time: 2019-07-08 15:46:28
  */
 
 import Base from './base';
 
 /**
- * 视觉通道 symbol
- * @class Attr.symbol
+ * 视觉通道 filter
+ * @class Attr.filter
  */
 class Filter extends Base {
   constructor(cfg) {

src/attr/index.js

@@ -7,6 +7,7 @@ import Shape from './shape';
 import Position from './position';
 import Symbol from './symbol';
 import Filter from './filter';
+import Pattern from './pattern';
 
 Base.Color = Color;
 Base.Size = Size;
@@ -15,5 +16,6 @@ Base.Shape = Shape;
 Base.Position = Position;
 Base.Symbol = Symbol;
 Base.Filter = Filter;
+Base.Pattern = Pattern;
 
 export default Base;

src/attr/pattern.js

@@ -0,0 +1,16 @@
+
+import Base from './base';
+
+/**
+ * 视觉通道 pattern
+ * @class Attr.pattern
+ */
+class Pattern extends Base {
+  constructor(cfg) {
+    super(cfg);
+    this.names = [ 'pattern' ];
+    this.type = 'pattern';
+    this.gradient = null;
+  }
+}
+export default Pattern;

src/core/layer.js

@@ -176,6 +176,10 @@ export default class Layer extends Base {
     this._createAttrOption('shape', field, values, Global.shape);
     return this;
   }
+  pattern(field, values) {
+    this._createAttrOption('pattern', field, values, Global.pattern);
+    return this;
+  }
   /**
    * 是否允许使用默认的图形激活交互
    * @param  {Boolean} enable 是否允许激活开关

src/global.js

@@ -21,6 +21,7 @@ const Global = {
   colors: [ 'rgb(103,0,31)', 'rgb(178,24,43)', 'rgb(214,96,77)', 'rgb(244,165,130)', 'rgb(253,219,199)', 'rgb(247,247,247)', 'rgb(209,229,240)', 'rgb(146,197,222)', 'rgb(67,147,195)', 'rgb(33,102,172)', 'rgb(5,48,97)' ],
   size: 10000,
   shape: 'circle',
+  pattern: '',
   snapArray: [ 0, 1, 2, 4, 5, 10 ],
   pointShape: {
     '2d': [ 'circle', 'triangle', 'square', 'pentagon', 'hexagon', 'octogon', 'hexagram', 'rhombus', 'vesica' ],