pielabeldistributor.html

jfreechart最新源代码

<FONT color="green">164</FONT>                if (r2.getUpperY() &gt; r3.getLowerY()) {<a name="line.164"></a>
<FONT color="green">165</FONT>                    double adjust = (r2.getUpperY() - r3.getLowerY()) + this.minGap;<a name="line.165"></a>
<FONT color="green">166</FONT>                    r2.setAllocatedY(r2.getAllocatedY() - adjust);   <a name="line.166"></a>
<FONT color="green">167</FONT>                }                <a name="line.167"></a>
<FONT color="green">168</FONT>                lower++; <a name="line.168"></a>
<FONT color="green">169</FONT>                upper--;<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>        <a name="line.172"></a>
<FONT color="green">173</FONT>        /**<a name="line.173"></a>
<FONT color="green">174</FONT>         * Any labels that are overlapping are moved down in an attempt to <a name="line.174"></a>
<FONT color="green">175</FONT>         * eliminate the overlaps.<a name="line.175"></a>
<FONT color="green">176</FONT>         * <a name="line.176"></a>
<FONT color="green">177</FONT>         * @param minY  the minimum y value (in Java2D coordinate space).<a name="line.177"></a>
<FONT color="green">178</FONT>         * @param height  the height available for all labels.<a name="line.178"></a>
<FONT color="green">179</FONT>         */<a name="line.179"></a>
<FONT color="green">180</FONT>        protected void adjustDownwards(double minY, double height) {<a name="line.180"></a>
<FONT color="green">181</FONT>            for (int i = 0; i &lt; this.labels.size() - 1; i++) {<a name="line.181"></a>
<FONT color="green">182</FONT>                PieLabelRecord record0 = getPieLabelRecord(i);<a name="line.182"></a>
<FONT color="green">183</FONT>                PieLabelRecord record1 = getPieLabelRecord(i + 1);<a name="line.183"></a>
<FONT color="green">184</FONT>                if (record1.getLowerY() &lt; record0.getUpperY()) {<a name="line.184"></a>
<FONT color="green">185</FONT>                    record1.setAllocatedY(<a name="line.185"></a>
<FONT color="green">186</FONT>                        Math.min(<a name="line.186"></a>
<FONT color="green">187</FONT>                            minY + height, <a name="line.187"></a>
<FONT color="green">188</FONT>                            record0.getUpperY() + this.minGap <a name="line.188"></a>
<FONT color="green">189</FONT>                            + record1.getLabelHeight() / 2.0<a name="line.189"></a>
<FONT color="green">190</FONT>                        )<a name="line.190"></a>
<FONT color="green">191</FONT>                    );   <a name="line.191"></a>
<FONT color="green">192</FONT>                }<a name="line.192"></a>
<FONT color="green">193</FONT>            }        <a name="line.193"></a>
<FONT color="green">194</FONT>        }<a name="line.194"></a>
<FONT color="green">195</FONT>    <a name="line.195"></a>
<FONT color="green">196</FONT>        /**<a name="line.196"></a>
<FONT color="green">197</FONT>         * Any labels that are overlapping are moved up in an attempt to eliminate <a name="line.197"></a>
<FONT color="green">198</FONT>         * the overlaps.<a name="line.198"></a>
<FONT color="green">199</FONT>         * <a name="line.199"></a>
<FONT color="green">200</FONT>         * @param minY  the minimum y value (in Java2D coordinate space).<a name="line.200"></a>
<FONT color="green">201</FONT>         * @param height  the height available for all labels.<a name="line.201"></a>
<FONT color="green">202</FONT>         */<a name="line.202"></a>
<FONT color="green">203</FONT>        protected void adjustUpwards(double minY, double height) {<a name="line.203"></a>
<FONT color="green">204</FONT>            for (int i = this.labels.size() - 1; i &gt; 0; i--) {<a name="line.204"></a>
<FONT color="green">205</FONT>                PieLabelRecord record0 = getPieLabelRecord(i);<a name="line.205"></a>
<FONT color="green">206</FONT>                PieLabelRecord record1 = getPieLabelRecord(i - 1);<a name="line.206"></a>
<FONT color="green">207</FONT>                if (record1.getUpperY() &gt; record0.getLowerY()) {<a name="line.207"></a>
<FONT color="green">208</FONT>                    record1.setAllocatedY(<a name="line.208"></a>
<FONT color="green">209</FONT>                        Math.max(<a name="line.209"></a>
<FONT color="green">210</FONT>                            minY, <a name="line.210"></a>
<FONT color="green">211</FONT>                            record0.getLowerY() - this.minGap <a name="line.211"></a>
<FONT color="green">212</FONT>                            - record1.getLabelHeight() / 2.0<a name="line.212"></a>
<FONT color="green">213</FONT>                        )<a name="line.213"></a>
<FONT color="green">214</FONT>                    );   <a name="line.214"></a>
<FONT color="green">215</FONT>                }<a name="line.215"></a>
<FONT color="green">216</FONT>            }        <a name="line.216"></a>
<FONT color="green">217</FONT>        }<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>         * Labels are spaced evenly in the available space in an attempt to <a name="line.220"></a>
<FONT color="green">221</FONT>         * eliminate the overlaps.<a name="line.221"></a>
<FONT color="green">222</FONT>         * <a name="line.222"></a>
<FONT color="green">223</FONT>         * @param minY  the minimum y value (in Java2D coordinate space).<a name="line.223"></a>
<FONT color="green">224</FONT>         * @param height  the height available for all labels.<a name="line.224"></a>
<FONT color="green">225</FONT>         */<a name="line.225"></a>
<FONT color="green">226</FONT>        protected void spreadEvenly(double minY, double height) {<a name="line.226"></a>
<FONT color="green">227</FONT>            double y = minY;<a name="line.227"></a>
<FONT color="green">228</FONT>            double sumOfLabelHeights = 0.0;<a name="line.228"></a>
<FONT color="green">229</FONT>            for (int i = 0; i &lt; this.labels.size(); i++) {<a name="line.229"></a>
<FONT color="green">230</FONT>                sumOfLabelHeights += getPieLabelRecord(i).getLabelHeight();<a name="line.230"></a>
<FONT color="green">231</FONT>            }<a name="line.231"></a>
<FONT color="green">232</FONT>            double gap = height - sumOfLabelHeights;<a name="line.232"></a>
<FONT color="green">233</FONT>            if (this.labels.size() &gt; 1) {<a name="line.233"></a>
<FONT color="green">234</FONT>                gap = gap / (this.labels.size() - 1);   <a name="line.234"></a>
<FONT color="green">235</FONT>            }<a name="line.235"></a>
<FONT color="green">236</FONT>            for (int i = 0; i &lt; this.labels.size(); i++) {<a name="line.236"></a>
<FONT color="green">237</FONT>                PieLabelRecord record = getPieLabelRecord(i);<a name="line.237"></a>
<FONT color="green">238</FONT>                y = y + record.getLabelHeight() / 2.0;<a name="line.238"></a>
<FONT color="green">239</FONT>                record.setAllocatedY(y);<a name="line.239"></a>
<FONT color="green">240</FONT>                y = y + record.getLabelHeight() / 2.0 + gap;<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>        /**<a name="line.244"></a>
<FONT color="green">245</FONT>         * Sorts the label records into ascending order by y-value.<a name="line.245"></a>
<FONT color="green">246</FONT>         */<a name="line.246"></a>
<FONT color="green">247</FONT>        public void sort() {<a name="line.247"></a>
<FONT color="green">248</FONT>            Collections.sort(this.labels);  <a name="line.248"></a>
<FONT color="green">249</FONT>        }<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>         * Returns a string containing a description of the object for <a name="line.252"></a>
<FONT color="green">253</FONT>         * debugging purposes.<a name="line.253"></a>
<FONT color="green">254</FONT>         * <a name="line.254"></a>
<FONT color="green">255</FONT>         * @return A string.<a name="line.255"></a>
<FONT color="green">256</FONT>         */<a name="line.256"></a>
<FONT color="green">257</FONT>        public String toString() {<a name="line.257"></a>
<FONT color="green">258</FONT>            StringBuffer result = new StringBuffer();<a name="line.258"></a>
<FONT color="green">259</FONT>            for (int i = 0; i &lt; this.labels.size(); i++) {<a name="line.259"></a>
<FONT color="green">260</FONT>                result.append(getPieLabelRecord(i).toString()).append("\n");   <a name="line.260"></a>
<FONT color="green">261</FONT>            }<a name="line.261"></a>
<FONT color="green">262</FONT>            return result.toString();<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>




























































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