candlestickrenderer.html

jfreechart1。0。2的api。

<FONT color="green">139</FONT>        <a name="line.139"></a>
<FONT color="green">140</FONT>        /** The interval data method. */<a name="line.140"></a>
<FONT color="green">141</FONT>        public static final int WIDTHMETHOD_INTERVALDATA = 2;<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>        /** The method of automatically calculating the candle width. */<a name="line.143"></a>
<FONT color="green">144</FONT>        private int autoWidthMethod = WIDTHMETHOD_AVERAGE;<a name="line.144"></a>
<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>        /** <a name="line.146"></a>
<FONT color="green">147</FONT>         * The number (generally between 0.0 and 1.0) by which the available space <a name="line.147"></a>
<FONT color="green">148</FONT>         * automatically calculated for the candles will be multiplied to determine<a name="line.148"></a>
<FONT color="green">149</FONT>         * the actual width to use. <a name="line.149"></a>
<FONT color="green">150</FONT>         */<a name="line.150"></a>
<FONT color="green">151</FONT>        private double autoWidthFactor = 4.5 / 7;<a name="line.151"></a>
<FONT color="green">152</FONT>    <a name="line.152"></a>
<FONT color="green">153</FONT>        /** The minimum gap between one candle and the next */<a name="line.153"></a>
<FONT color="green">154</FONT>        private double autoWidthGap = 0.0;<a name="line.154"></a>
<FONT color="green">155</FONT>    <a name="line.155"></a>
<FONT color="green">156</FONT>        /** The candle width. */<a name="line.156"></a>
<FONT color="green">157</FONT>        private double candleWidth;<a name="line.157"></a>
<FONT color="green">158</FONT>        <a name="line.158"></a>
<FONT color="green">159</FONT>        /** The maximum candlewidth in milliseconds. */<a name="line.159"></a>
<FONT color="green">160</FONT>        private double maxCandleWidthInMilliseconds = 1000.0 * 60.0 * 60.0 * 20.0;<a name="line.160"></a>
<FONT color="green">161</FONT>        <a name="line.161"></a>
<FONT color="green">162</FONT>        /** Temporary storage for the maximum candle width. */<a name="line.162"></a>
<FONT color="green">163</FONT>        private double maxCandleWidth;<a name="line.163"></a>
<FONT color="green">164</FONT>    <a name="line.164"></a>
<FONT color="green">165</FONT>        /** <a name="line.165"></a>
<FONT color="green">166</FONT>         * The paint used to fill the candle when the price moved up from open to <a name="line.166"></a>
<FONT color="green">167</FONT>         * close. <a name="line.167"></a>
<FONT color="green">168</FONT>         */<a name="line.168"></a>
<FONT color="green">169</FONT>        private transient Paint upPaint;<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>        /** <a name="line.171"></a>
<FONT color="green">172</FONT>         * The paint used to fill the candle when the price moved down from open <a name="line.172"></a>
<FONT color="green">173</FONT>         * to close. <a name="line.173"></a>
<FONT color="green">174</FONT>         */<a name="line.174"></a>
<FONT color="green">175</FONT>        private transient Paint downPaint;<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>        /** A flag controlling whether or not volume bars are drawn on the chart. */<a name="line.177"></a>
<FONT color="green">178</FONT>        private boolean drawVolume;<a name="line.178"></a>
<FONT color="green">179</FONT>        <a name="line.179"></a>
<FONT color="green">180</FONT>        /** Temporary storage for the maximum volume. */<a name="line.180"></a>
<FONT color="green">181</FONT>        private transient double maxVolume;<a name="line.181"></a>
<FONT color="green">182</FONT>    <a name="line.182"></a>
<FONT color="green">183</FONT>        /**<a name="line.183"></a>
<FONT color="green">184</FONT>         * Creates a new renderer for candlestick charts.<a name="line.184"></a>
<FONT color="green">185</FONT>         */<a name="line.185"></a>
<FONT color="green">186</FONT>        public CandlestickRenderer() {<a name="line.186"></a>
<FONT color="green">187</FONT>            this(-1.0);<a name="line.187"></a>
<FONT color="green">188</FONT>        }<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>        /**<a name="line.190"></a>
<FONT color="green">191</FONT>         * Creates a new renderer for candlestick charts.<a name="line.191"></a>
<FONT color="green">192</FONT>         * &lt;P&gt;<a name="line.192"></a>
<FONT color="green">193</FONT>         * Use -1 for the candle width if you prefer the width to be calculated <a name="line.193"></a>
<FONT color="green">194</FONT>         * automatically.<a name="line.194"></a>
<FONT color="green">195</FONT>         *<a name="line.195"></a>
<FONT color="green">196</FONT>         * @param candleWidth  The candle width.<a name="line.196"></a>
<FONT color="green">197</FONT>         */<a name="line.197"></a>
<FONT color="green">198</FONT>        public CandlestickRenderer(double candleWidth) {<a name="line.198"></a>
<FONT color="green">199</FONT>            this(candleWidth, true, new HighLowItemLabelGenerator());<a name="line.199"></a>
<FONT color="green">200</FONT>        }<a name="line.200"></a>
<FONT color="green">201</FONT>    <a name="line.201"></a>
<FONT color="green">202</FONT>        /**<a name="line.202"></a>
<FONT color="green">203</FONT>         * Creates a new renderer for candlestick charts.<a name="line.203"></a>
<FONT color="green">204</FONT>         * &lt;P&gt;<a name="line.204"></a>
<FONT color="green">205</FONT>         * Use -1 for the candle width if you prefer the width to be calculated <a name="line.205"></a>
<FONT color="green">206</FONT>         * automatically.<a name="line.206"></a>
<FONT color="green">207</FONT>         *<a name="line.207"></a>
<FONT color="green">208</FONT>         * @param candleWidth  the candle width.<a name="line.208"></a>
<FONT color="green">209</FONT>         * @param drawVolume  a flag indicating whether or not volume bars should <a name="line.209"></a>
<FONT color="green">210</FONT>         *                    be drawn.<a name="line.210"></a>
<FONT color="green">211</FONT>         * @param toolTipGenerator  the tool tip generator. &lt;code&gt;null&lt;/code&gt; is <a name="line.211"></a>
<FONT color="green">212</FONT>         *                          none.<a name="line.212"></a>
<FONT color="green">213</FONT>         */<a name="line.213"></a>
<FONT color="green">214</FONT>        public CandlestickRenderer(double candleWidth, boolean drawVolume,<a name="line.214"></a>
<FONT color="green">215</FONT>                                   XYToolTipGenerator toolTipGenerator) {<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>            super();<a name="line.217"></a>
<FONT color="green">218</FONT>            setToolTipGenerator(toolTipGenerator);<a name="line.218"></a>
<FONT color="green">219</FONT>            this.candleWidth = candleWidth;<a name="line.219"></a>
<FONT color="green">220</FONT>            this.drawVolume = drawVolume;<a name="line.220"></a>
<FONT color="green">221</FONT>            this.upPaint = Color.green;<a name="line.221"></a>
<FONT color="green">222</FONT>            this.downPaint = Color.red;<a name="line.222"></a>
<FONT color="green">223</FONT>    <a name="line.223"></a>
<FONT color="green">224</FONT>        }<a name="line.224"></a>
<FONT color="green">225</FONT>    <a name="line.225"></a>
<FONT color="green">226</FONT>        /**<a name="line.226"></a>
<FONT color="green">227</FONT>         * Returns the width of each candle.<a name="line.227"></a>
<FONT color="green">228</FONT>         *<a name="line.228"></a>
<FONT color="green">229</FONT>         * @return The candle width.<a name="line.229"></a>
<FONT color="green">230</FONT>         * <a name="line.230"></a>
<FONT color="green">231</FONT>         * @see #setCandleWidth(double)<a name="line.231"></a>
<FONT color="green">232</FONT>         */<a name="line.232"></a>
<FONT color="green">233</FONT>        public double getCandleWidth() {<a name="line.233"></a>
<FONT color="green">234</FONT>            return this.candleWidth;<a name="line.234"></a>
<FONT color="green">235</FONT>        }<a name="line.235"></a>
<FONT color="green">236</FONT>    <a name="line.236"></a>
<FONT color="green">237</FONT>        /**<a name="line.237"></a>
<FONT color="green">238</FONT>         * Sets the candle width.<a name="line.238"></a>
<FONT color="green">239</FONT>         * &lt;P&gt;<a name="line.239"></a>
<FONT color="green">240</FONT>         * If you set the width to a negative value, the renderer will calculate<a name="line.240"></a>
<FONT color="green">241</FONT>         * the candle width automatically based on the space available on the chart.<a name="line.241"></a>
<FONT color="green">242</FONT>         *<a name="line.242"></a>
<FONT color="green">243</FONT>         * @param width  The width.<a name="line.243"></a>
<FONT color="green">244</FONT>         * @see #setAutoWidthMethod(int)<a name="line.244"></a>
<FONT color="green">245</FONT>         * @see #setAutoWidthGap(double)<a name="line.245"></a>
<FONT color="green">246</FONT>         * @see #setAutoWidthFactor(double)<a name="line.246"></a>
<FONT color="green">247</FONT>         * @see #setMaxCandleWidthInMilliseconds(double)<a name="line.247"></a>
<FONT color="green">248</FONT>         */<a name="line.248"></a>
<FONT color="green">249</FONT>        public void setCandleWidth(double width) {<a name="line.249"></a>
<FONT color="green">250</FONT>            if (width != this.candleWidth) {<a name="line.250"></a>
<FONT color="green">251</FONT>                this.candleWidth = width;<a name="line.251"></a>
<FONT color="green">252</FONT>                notifyListeners(new RendererChangeEvent(this));<a name="line.252"></a>
<FONT color="green">253</FONT>            }<a name="line.253"></a>
<FONT color="green">254</FONT>        }<a name="line.254"></a>
<FONT color="green">255</FONT>    <a name="line.255"></a>
<FONT color="green">256</FONT>        /**<a name="line.256"></a>
<FONT color="green">257</FONT>         * Returns the maximum width (in milliseconds) of each candle.<a name="line.257"></a>
<FONT color="green">258</FONT>         *<a name="line.258"></a>
<FONT color="green">259</FONT>         * @return The maximum candle width in milliseconds.<a name="line.259"></a>
<FONT color="green">260</FONT>         */<a name="line.260"></a>
<FONT color="green">261</FONT>        public double getMaxCandleWidthInMilliseconds() {<a name="line.261"></a>
<FONT color="green">262</FONT>            return this.maxCandleWidthInMilliseconds;<a name="line.262"></a>
<FONT color="green">263</FONT>        }<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>        /**<a name="line.265"></a>
<FONT color="green">266</FONT>         * Sets the maximum candle width (in milliseconds).  <a name="line.266"></a>
<FONT color="green">267</FONT>         *<a name="line.267"></a>
<FONT color="green">268</FONT>         * @param millis  The maximum width.<a name="line.268"></a>
<FONT color="green">269</FONT>         * @see #setCandleWidth(double)<a name="line.269"></a>
<FONT color="green">270</FONT>         * @see #setAutoWidthMethod(int)<a name="line.270"></a>
<FONT color="green">271</FONT>         * @see #setAutoWidthGap(double)<a name="line.271"></a>
<FONT color="green">272</FONT>         * @see #setAutoWidthFactor(double)<a name="line.272"></a>
<FONT color="green">273</FONT>         */<a name="line.273"></a>
<FONT color="green">274</FONT>        public void setMaxCandleWidthInMilliseconds(double millis) {<a name="line.274"></a>
<FONT color="green">275</FONT>            this.maxCandleWidthInMilliseconds = millis;<a name="line.275"></a>
<FONT color="green">276</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.276"></a>
<FONT color="green">277</FONT>        }<a name="line.277"></a>
<FONT color="green">278</FONT>    <a name="line.278"></a>
<FONT color="green">279</FONT>        /**<a name="line.279"></a>