core-symbol

cnpm i

cnpm run build

const symbol = new PointSymbol(cellParams)

symbol.draw(ctx, {x,y},cellParams,symbolStyle)

ctx:canvas画布

{x,y}:绘制的坐标

cellParams:标准图形数据

symbolStyle:图形样式

symbolStyle = {

symbolid:node.realSymbolId,
symbolsize:size,
symbolcolor:node.fillStyle,
color:node.fillStyle,
angle:node.rotate,
scale:size*node.scaleNum/node.fontScale,
opacity:1

}