📄 symbolaxis.html
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<FONT color="green">136</FONT> public SymbolAxis(String label, String[] sv) {<a name="line.136"></a><FONT color="green">137</FONT> super(label);<a name="line.137"></a><FONT color="green">138</FONT> this.symbols = Arrays.asList(sv);<a name="line.138"></a><FONT color="green">139</FONT> this.gridBandsVisible = true;<a name="line.139"></a><FONT color="green">140</FONT> this.gridBandPaint = DEFAULT_GRID_BAND_PAINT;<a name="line.140"></a><FONT color="green">141</FONT> <a name="line.141"></a><FONT color="green">142</FONT> setAutoTickUnitSelection(false, false);<a name="line.142"></a><FONT color="green">143</FONT> setAutoRangeStickyZero(false);<a name="line.143"></a><FONT color="green">144</FONT> <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> /**<a name="line.147"></a><FONT color="green">148</FONT> * Returns an array of the symbols for the axis.<a name="line.148"></a><FONT color="green">149</FONT> *<a name="line.149"></a><FONT color="green">150</FONT> * @return The symbols.<a name="line.150"></a><FONT color="green">151</FONT> */<a name="line.151"></a><FONT color="green">152</FONT> public String[] getSymbols() {<a name="line.152"></a><FONT color="green">153</FONT> String[] result = new String[this.symbols.size()];<a name="line.153"></a><FONT color="green">154</FONT> result = (String[]) this.symbols.toArray(result);<a name="line.154"></a><FONT color="green">155</FONT> return result;<a name="line.155"></a><FONT color="green">156</FONT> }<a name="line.156"></a><FONT color="green">157</FONT> <a name="line.157"></a><FONT color="green">158</FONT> /**<a name="line.158"></a><FONT color="green">159</FONT> * Returns the paint used to color the grid bands.<a name="line.159"></a><FONT color="green">160</FONT> *<a name="line.160"></a><FONT color="green">161</FONT> * @return The grid band paint (never <code>null</code>).<a name="line.161"></a><FONT color="green">162</FONT> * <a name="line.162"></a><FONT color="green">163</FONT> * @see #isGridBandsVisible()<a name="line.163"></a><FONT color="green">164</FONT> */<a name="line.164"></a><FONT color="green">165</FONT> public Paint getGridBandPaint() {<a name="line.165"></a><FONT color="green">166</FONT> return this.gridBandPaint;<a name="line.166"></a><FONT color="green">167</FONT> }<a name="line.167"></a><FONT color="green">168</FONT> <a name="line.168"></a><FONT color="green">169</FONT> /**<a name="line.169"></a><FONT color="green">170</FONT> * Sets the grid band paint and sends an {@link AxisChangeEvent} to <a name="line.170"></a><FONT color="green">171</FONT> * all registered listeners.<a name="line.171"></a><FONT color="green">172</FONT> * <a name="line.172"></a><FONT color="green">173</FONT> * @param paint the paint (<code>null</code> not permitted).<a name="line.173"></a><FONT color="green">174</FONT> */<a name="line.174"></a><FONT color="green">175</FONT> public void setGridBandPaint(Paint paint) {<a name="line.175"></a><FONT color="green">176</FONT> if (paint == null) {<a name="line.176"></a><FONT color="green">177</FONT> throw new IllegalArgumentException("Null 'paint' argument.");<a name="line.177"></a><FONT color="green">178</FONT> }<a name="line.178"></a><FONT color="green">179</FONT> this.gridBandPaint = paint;<a name="line.179"></a><FONT color="green">180</FONT> notifyListeners(new AxisChangeEvent(this));<a name="line.180"></a><FONT color="green">181</FONT> }<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> * Returns <code>true</code> if the grid bands are showing, and<a name="line.184"></a><FONT color="green">185</FONT> * <code>false</code> otherwise.<a name="line.185"></a><FONT color="green">186</FONT> *<a name="line.186"></a><FONT color="green">187</FONT> * @return <code>true</code> if the grid bands are showing, and <a name="line.187"></a><FONT color="green">188</FONT> * <code>false</code> otherwise.<a name="line.188"></a><FONT color="green">189</FONT> */<a name="line.189"></a><FONT color="green">190</FONT> public boolean isGridBandsVisible() {<a name="line.190"></a><FONT color="green">191</FONT> return this.gridBandsVisible;<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> * Sets the visibility of the grid bands and notifies registered<a name="line.195"></a><FONT color="green">196</FONT> * listeners that the axis has been modified.<a name="line.196"></a><FONT color="green">197</FONT> *<a name="line.197"></a><FONT color="green">198</FONT> * @param flag the new setting.<a name="line.198"></a><FONT color="green">199</FONT> */<a name="line.199"></a><FONT color="green">200</FONT> public void setGridBandsVisible(boolean flag) {<a name="line.200"></a><FONT color="green">201</FONT> if (this.gridBandsVisible != flag) {<a name="line.201"></a><FONT color="green">202</FONT> this.gridBandsVisible = flag;<a name="line.202"></a><FONT color="green">203</FONT> notifyListeners(new AxisChangeEvent(this));<a name="line.203"></a><FONT color="green">204</FONT> }<a name="line.204"></a><FONT color="green">205</FONT> }<a name="line.205"></a><FONT color="green">206</FONT> <a name="line.206"></a><FONT color="green">207</FONT> /**<a name="line.207"></a><FONT color="green">208</FONT> * This operation is not supported by this axis.<a name="line.208"></a><FONT color="green">209</FONT> *<a name="line.209"></a><FONT color="green">210</FONT> * @param g2 the graphics device.<a name="line.210"></a><FONT color="green">211</FONT> * @param dataArea the area in which the plot and axes should be drawn.<a name="line.211"></a><FONT color="green">212</FONT> * @param edge the edge along which the axis is drawn.<a name="line.212"></a><FONT color="green">213</FONT> */<a name="line.213"></a><FONT color="green">214</FONT> protected void selectAutoTickUnit(Graphics2D g2, Rectangle2D dataArea, <a name="line.214"></a><FONT color="green">215</FONT> RectangleEdge edge) {<a name="line.215"></a><FONT color="green">216</FONT> throw new UnsupportedOperationException();<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> * Draws the axis on a Java 2D graphics device (such as the screen or a <a name="line.220"></a><FONT color="green">221</FONT> * printer).<a name="line.221"></a><FONT color="green">222</FONT> *<a name="line.222"></a><FONT color="green">223</FONT> * @param g2 the graphics device (<code>null</code> not permitted).<a name="line.223"></a><FONT color="green">224</FONT> * @param cursor the cursor location.<a name="line.224"></a><FONT color="green">225</FONT> * @param plotArea the area within which the plot and axes should be drawn<a name="line.225"></a><FONT color="green">226</FONT> * (<code>null</code> not permitted).<a name="line.226"></a><FONT color="green">227</FONT> * @param dataArea the area within which the data should be drawn <a name="line.227"></a><FONT color="green">228</FONT> * (<code>null</code> not permitted).<a name="line.228"></a><FONT color="green">229</FONT> * @param edge the axis location (<code>null</code> not permitted).<a name="line.229"></a><FONT color="green">230</FONT> * @param plotState collects information about the plot <a name="line.230"></a><FONT color="green">231</FONT> * (<code>null</code> permitted).<a name="line.231"></a><FONT color="green">232</FONT> * <a name="line.232"></a><FONT color="green">233</FONT> * @return The axis state (never <code>null</code>).<a name="line.233"></a><FONT color="green">234</FONT> */<a name="line.234"></a><FONT color="green">235</FONT> public AxisState draw(Graphics2D g2, <a name="line.235"></a><FONT color="green">236</FONT> double cursor,<a name="line.236"></a><FONT color="green">237</FONT> Rectangle2D plotArea, <a name="line.237"></a><FONT color="green">238</FONT> Rectangle2D dataArea, <a name="line.238"></a><FONT color="green">239</FONT> RectangleEdge edge,<a name="line.239"></a><FONT color="green">240</FONT> PlotRenderingInfo plotState) {<a name="line.240"></a><FONT color="green">241</FONT> <a name="line.241"></a><FONT color="green">242</FONT> AxisState info = new AxisState(cursor);<a name="line.242"></a><FONT color="green">243</FONT> if (isVisible()) {<a name="line.243"></a><FONT color="green">244</FONT> info = super.draw(g2, cursor, plotArea, dataArea, edge, plotState);<a name="line.244"></a><FONT color="green">245</FONT> }<a name="line.245"></a><FONT color="green">246</FONT> if (this.gridBandsVisible) {<a name="line.246"></a><FONT color="green">247</FONT> drawGridBands(g2, plotArea, dataArea, edge, info.getTicks());<a name="line.247"></a><FONT color="green">248</FONT> }<a name="line.248"></a><FONT color="green">249</FONT> return info;<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> /**<a name="line.253"></a><FONT color="green">254</FONT> * Draws the grid bands. Alternate bands are colored using <a name="line.254"></a><FONT color="green">255</FONT> * <CODE>gridBandPaint<CODE> (<CODE>DEFAULT_GRID_BAND_PAINT</CODE> by <a name="line.255"></a><FONT color="green">256</FONT> * default).<a name="line.256"></a><FONT color="green">257</FONT> *<a name="line.257"></a><FONT color="green">258</FONT> * @param g2 the graphics device.<a name="line.258"></a><FONT color="green">259</FONT> * @param plotArea the area within which the chart should be drawn.<a name="line.259"></a><FONT color="green">260</FONT> * @param dataArea the area within which the plot should be drawn (a <a name="line.260"></a><FONT color="green">261</FONT> * subset of the drawArea).<a name="line.261"></a><FONT color="green">262</FONT> * @param edge the axis location.<a name="line.262"></a><FONT color="green">263</FONT> * @param ticks the ticks.<a name="line.263"></a><FONT color="green">264</FONT> */<a name="line.264"></a><FONT color="green">265</FONT> protected void drawGridBands(Graphics2D g2,<a name="line.265"></a><FONT color="green">266</FONT> Rectangle2D plotArea, <a name="line.266"></a><FONT color="green">267</FONT> Rectangle2D dataArea,<a name="line.267"></a><FONT color="green">268</FONT> RectangleEdge edge, <a name="line.268"></a><FONT color="green">269</FONT> List ticks) {<a name="line.269"></a><FONT color="green">270</FONT> <a name="line.270"></a><FONT color="green">271</FONT> Shape savedClip = g2.getClip();<a name="line.271"></a><FONT color="green">272</FONT> g2.clip(dataArea);<a name="line.272"></a><FONT color="green">273</FONT> if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.273"></a>⌨️ 快捷键说明
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