发一个通达信MACD面积公式源码

DIF:EMA(CLOSE,12)-EMA(CLOSE,26);
 DEA:EMA(DIF,9);
 MACD:(DIF-DEA)*2,COLORSTICK;

红面积:SUM(MACD,BARSLAST(MACD<0))*(MACD>0),COLOR0000FF,NODRAW;
绿面积:SUM(MACD,BARSLAST(MACD>0))*(MACD<0),COLORFFFF00,NODRAW;
 AA:=ROUND(REF(绿面积,1)*100);BB:=ROUND(REF(红面积,1)*100);
 DRAWNUMBER(CROSS(0,MACD),HHV(REF(MACD,1),5)+0.03,ABS(BB)),COLORMAGENTA;
 DRAWNUMBER(CROSS(MACD,0),LLV(REF(MACD,1),5)-0.03,ABS(AA)),COLORGREEN;