barrenderer.html

jfreechart1。0。2的api。

<FONT color="green">138</FONT>    <a name="line.138"></a>
<FONT color="green">139</FONT>        /** A flag that controls whether or not bar outlines are drawn. */<a name="line.139"></a>
<FONT color="green">140</FONT>        private boolean drawBarOutline;<a name="line.140"></a>
<FONT color="green">141</FONT>        <a name="line.141"></a>
<FONT color="green">142</FONT>        /** The maximum bar width as a percentage of the available space. */<a name="line.142"></a>
<FONT color="green">143</FONT>        private double maximumBarWidth;<a name="line.143"></a>
<FONT color="green">144</FONT>        <a name="line.144"></a>
<FONT color="green">145</FONT>        /** The minimum bar length (in Java2D units). */<a name="line.145"></a>
<FONT color="green">146</FONT>        private double minimumBarLength;<a name="line.146"></a>
<FONT color="green">147</FONT>        <a name="line.147"></a>
<FONT color="green">148</FONT>        /** <a name="line.148"></a>
<FONT color="green">149</FONT>         * An optional class used to transform gradient paint objects to fit each <a name="line.149"></a>
<FONT color="green">150</FONT>         * bar. <a name="line.150"></a>
<FONT color="green">151</FONT>         */<a name="line.151"></a>
<FONT color="green">152</FONT>        private GradientPaintTransformer gradientPaintTransformer;<a name="line.152"></a>
<FONT color="green">153</FONT>        <a name="line.153"></a>
<FONT color="green">154</FONT>        /** <a name="line.154"></a>
<FONT color="green">155</FONT>         * The fallback position if a positive item label doesn't fit inside the <a name="line.155"></a>
<FONT color="green">156</FONT>         * bar. <a name="line.156"></a>
<FONT color="green">157</FONT>         */<a name="line.157"></a>
<FONT color="green">158</FONT>        private ItemLabelPosition positiveItemLabelPositionFallback;<a name="line.158"></a>
<FONT color="green">159</FONT>        <a name="line.159"></a>
<FONT color="green">160</FONT>        /** <a name="line.160"></a>
<FONT color="green">161</FONT>         * The fallback position if a negative item label doesn't fit inside the <a name="line.161"></a>
<FONT color="green">162</FONT>         * bar. <a name="line.162"></a>
<FONT color="green">163</FONT>         */<a name="line.163"></a>
<FONT color="green">164</FONT>        private ItemLabelPosition negativeItemLabelPositionFallback;<a name="line.164"></a>
<FONT color="green">165</FONT>        <a name="line.165"></a>
<FONT color="green">166</FONT>        /** The upper clip (axis) value for the axis. */<a name="line.166"></a>
<FONT color="green">167</FONT>        private double upperClip;  <a name="line.167"></a>
<FONT color="green">168</FONT>        // TODO:  this needs to move into the renderer state<a name="line.168"></a>
<FONT color="green">169</FONT>    <a name="line.169"></a>
<FONT color="green">170</FONT>        /** The lower clip (axis) value for the axis. */<a name="line.170"></a>
<FONT color="green">171</FONT>        private double lowerClip;  <a name="line.171"></a>
<FONT color="green">172</FONT>        // TODO:  this needs to move into the renderer state<a name="line.172"></a>
<FONT color="green">173</FONT>    <a name="line.173"></a>
<FONT color="green">174</FONT>        /** The base value for the bars (defaults to 0.0). */<a name="line.174"></a>
<FONT color="green">175</FONT>        private double base;<a name="line.175"></a>
<FONT color="green">176</FONT>        <a name="line.176"></a>
<FONT color="green">177</FONT>        /** <a name="line.177"></a>
<FONT color="green">178</FONT>         * A flag that controls whether the base value is included in the range<a name="line.178"></a>
<FONT color="green">179</FONT>         * returned by the findRangeBounds() method.<a name="line.179"></a>
<FONT color="green">180</FONT>         */<a name="line.180"></a>
<FONT color="green">181</FONT>        private boolean includeBaseInRange;<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 bar renderer with default settings.<a name="line.184"></a>
<FONT color="green">185</FONT>         */<a name="line.185"></a>
<FONT color="green">186</FONT>        public BarRenderer() {<a name="line.186"></a>
<FONT color="green">187</FONT>            super();<a name="line.187"></a>
<FONT color="green">188</FONT>            this.base = 0.0;<a name="line.188"></a>
<FONT color="green">189</FONT>            this.includeBaseInRange = true;<a name="line.189"></a>
<FONT color="green">190</FONT>            this.itemMargin = DEFAULT_ITEM_MARGIN;<a name="line.190"></a>
<FONT color="green">191</FONT>            this.drawBarOutline = true;<a name="line.191"></a>
<FONT color="green">192</FONT>            this.maximumBarWidth = 1.0;  <a name="line.192"></a>
<FONT color="green">193</FONT>                // 100 percent, so it will not apply unless changed<a name="line.193"></a>
<FONT color="green">194</FONT>            this.positiveItemLabelPositionFallback = null;<a name="line.194"></a>
<FONT color="green">195</FONT>            this.negativeItemLabelPositionFallback = null;<a name="line.195"></a>
<FONT color="green">196</FONT>            this.gradientPaintTransformer = new StandardGradientPaintTransformer();<a name="line.196"></a>
<FONT color="green">197</FONT>            this.minimumBarLength = 0.0;<a name="line.197"></a>
<FONT color="green">198</FONT>        }<a name="line.198"></a>
<FONT color="green">199</FONT>    <a name="line.199"></a>
<FONT color="green">200</FONT>        /**<a name="line.200"></a>
<FONT color="green">201</FONT>         * Returns the base value for the bars.<a name="line.201"></a>
<FONT color="green">202</FONT>         * <a name="line.202"></a>
<FONT color="green">203</FONT>         * @return The base value for the bars.<a name="line.203"></a>
<FONT color="green">204</FONT>         */<a name="line.204"></a>
<FONT color="green">205</FONT>        public double getBase() {<a name="line.205"></a>
<FONT color="green">206</FONT>            return this.base;    <a name="line.206"></a>
<FONT color="green">207</FONT>        }<a name="line.207"></a>
<FONT color="green">208</FONT>        <a name="line.208"></a>
<FONT color="green">209</FONT>        /**<a name="line.209"></a>
<FONT color="green">210</FONT>         * Sets the base value for the bars and sends a {@link RendererChangeEvent}<a name="line.210"></a>
<FONT color="green">211</FONT>         * to all registered listeners.<a name="line.211"></a>
<FONT color="green">212</FONT>         * <a name="line.212"></a>
<FONT color="green">213</FONT>         * @param base  the new base value.<a name="line.213"></a>
<FONT color="green">214</FONT>         */<a name="line.214"></a>
<FONT color="green">215</FONT>        public void setBase(double base) {<a name="line.215"></a>
<FONT color="green">216</FONT>            this.base = base;<a name="line.216"></a>
<FONT color="green">217</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.217"></a>
<FONT color="green">218</FONT>        }<a name="line.218"></a>
<FONT color="green">219</FONT>        <a name="line.219"></a>
<FONT color="green">220</FONT>        /**<a name="line.220"></a>
<FONT color="green">221</FONT>         * Returns the item margin as a percentage of the available space for all <a name="line.221"></a>
<FONT color="green">222</FONT>         * bars.<a name="line.222"></a>
<FONT color="green">223</FONT>         *<a name="line.223"></a>
<FONT color="green">224</FONT>         * @return The margin percentage (where 0.10 is ten percent).<a name="line.224"></a>
<FONT color="green">225</FONT>         */<a name="line.225"></a>
<FONT color="green">226</FONT>        public double getItemMargin() {<a name="line.226"></a>
<FONT color="green">227</FONT>            return this.itemMargin;<a name="line.227"></a>
<FONT color="green">228</FONT>        }<a name="line.228"></a>
<FONT color="green">229</FONT>    <a name="line.229"></a>
<FONT color="green">230</FONT>        /**<a name="line.230"></a>
<FONT color="green">231</FONT>         * Sets the item margin and sends a {@link RendererChangeEvent} to all <a name="line.231"></a>
<FONT color="green">232</FONT>         * registered listeners.  The value is expressed as a percentage of the <a name="line.232"></a>
<FONT color="green">233</FONT>         * available width for plotting all the bars, with the resulting amount to <a name="line.233"></a>
<FONT color="green">234</FONT>         * be distributed between all the bars evenly.<a name="line.234"></a>
<FONT color="green">235</FONT>         *<a name="line.235"></a>
<FONT color="green">236</FONT>         * @param percent  the margin (where 0.10 is ten percent).<a name="line.236"></a>
<FONT color="green">237</FONT>         */<a name="line.237"></a>
<FONT color="green">238</FONT>        public void setItemMargin(double percent) {<a name="line.238"></a>
<FONT color="green">239</FONT>            this.itemMargin = percent;<a name="line.239"></a>
<FONT color="green">240</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.240"></a>
<FONT color="green">241</FONT>        }<a name="line.241"></a>
<FONT color="green">242</FONT>    <a name="line.242"></a>
<FONT color="green">243</FONT>        /**<a name="line.243"></a>
<FONT color="green">244</FONT>         * Returns a flag that controls whether or not bar outlines are drawn.<a name="line.244"></a>
<FONT color="green">245</FONT>         * <a name="line.245"></a>
<FONT color="green">246</FONT>         * @return A boolean.<a name="line.246"></a>
<FONT color="green">247</FONT>         */<a name="line.247"></a>
<FONT color="green">248</FONT>        public boolean isDrawBarOutline() {<a name="line.248"></a>
<FONT color="green">249</FONT>            return this.drawBarOutline;    <a name="line.249"></a>
<FONT color="green">250</FONT>        }<a name="line.250"></a>
<FONT color="green">251</FONT>        <a name="line.251"></a>
<FONT color="green">252</FONT>        /**<a name="line.252"></a>
<FONT color="green">253</FONT>         * Sets the flag that controls whether or not bar outlines are drawn and <a name="line.253"></a>
<FONT color="green">254</FONT>         * sends a {@link RendererChangeEvent} to all registered listeners.<a name="line.254"></a>
<FONT color="green">255</FONT>         * <a name="line.255"></a>
<FONT color="green">256</FONT>         * @param draw  the flag.<a name="line.256"></a>
<FONT color="green">257</FONT>         */<a name="line.257"></a>
<FONT color="green">258</FONT>        public void setDrawBarOutline(boolean draw) {<a name="line.258"></a>
<FONT color="green">259</FONT>            this.drawBarOutline = draw;<a name="line.259"></a>
<FONT color="green">260</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.260"></a>
<FONT color="green">261</FONT>        }<a name="line.261"></a>
<FONT color="green">262</FONT>        <a name="line.262"></a>
<FONT color="green">263</FONT>        /**<a name="line.263"></a>
<FONT color="green">264</FONT>         * Returns the maximum bar width, as a percentage of the available drawing <a name="line.264"></a>
<FONT color="green">265</FONT>         * space.<a name="line.265"></a>
<FONT color="green">266</FONT>         * <a name="line.266"></a>
<FONT color="green">267</FONT>         * @return The maximum bar width.<a name="line.267"></a>
<FONT color="green">268</FONT>         */<a name="line.268"></a>
<FONT color="green">269</FONT>        public double getMaximumBarWidth() {<a name="line.269"></a>
<FONT color="green">270</FONT>            return this.maximumBarWidth;<a name="line.270"></a>
<FONT color="green">271</FONT>        }<a name="line.271"></a>
<FONT color="green">272</FONT>        <a name="line.272"></a>
<FONT color="green">273</FONT>        /**<a name="line.273"></a>
<FONT color="green">274</FONT>         * Sets the maximum bar width, which is specified as a percentage of the <a name="line.274"></a>
<FONT color="green">275</FONT>         * available space for all bars, and sends a {@link RendererChangeEvent} to<a name="line.275"></a>
<FONT color="green">276</FONT>         * all registered listeners.<a name="line.276"></a>
<FONT color="green">277</FONT>         * <a name="line.277"></a>