📄 meterneedle.html
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<FONT color="green">160</FONT> }<a name="line.160"></a><FONT color="green">161</FONT> }<a name="line.161"></a><FONT color="green">162</FONT> <a name="line.162"></a><FONT color="green">163</FONT> /**<a name="line.163"></a><FONT color="green">164</FONT> * Returns the fill paint.<a name="line.164"></a><FONT color="green">165</FONT> *<a name="line.165"></a><FONT color="green">166</FONT> * @return The fill paint.<a name="line.166"></a><FONT color="green">167</FONT> */<a name="line.167"></a><FONT color="green">168</FONT> public Paint getFillPaint() {<a name="line.168"></a><FONT color="green">169</FONT> return this.fillPaint;<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> * Sets the fill paint.<a name="line.173"></a><FONT color="green">174</FONT> *<a name="line.174"></a><FONT color="green">175</FONT> * @param p the fill paint.<a name="line.175"></a><FONT color="green">176</FONT> */<a name="line.176"></a><FONT color="green">177</FONT> public void setFillPaint(Paint p) {<a name="line.177"></a><FONT color="green">178</FONT> if (p != null) {<a name="line.178"></a><FONT color="green">179</FONT> this.fillPaint = p;<a name="line.179"></a><FONT color="green">180</FONT> }<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 the highlight paint.<a name="line.184"></a><FONT color="green">185</FONT> *<a name="line.185"></a><FONT color="green">186</FONT> * @return The highlight paint.<a name="line.186"></a><FONT color="green">187</FONT> */<a name="line.187"></a><FONT color="green">188</FONT> public Paint getHighlightPaint() {<a name="line.188"></a><FONT color="green">189</FONT> return this.highlightPaint;<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> * Sets the highlight paint.<a name="line.193"></a><FONT color="green">194</FONT> *<a name="line.194"></a><FONT color="green">195</FONT> * @param p the highlight paint.<a name="line.195"></a><FONT color="green">196</FONT> */<a name="line.196"></a><FONT color="green">197</FONT> public void setHighlightPaint(Paint p) {<a name="line.197"></a><FONT color="green">198</FONT> if (p != null) {<a name="line.198"></a><FONT color="green">199</FONT> this.highlightPaint = p;<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> /**<a name="line.203"></a><FONT color="green">204</FONT> * Returns the scalar used for determining the rotation x value.<a name="line.204"></a><FONT color="green">205</FONT> *<a name="line.205"></a><FONT color="green">206</FONT> * @return The x rotate scalar.<a name="line.206"></a><FONT color="green">207</FONT> */<a name="line.207"></a><FONT color="green">208</FONT> public double getRotateX() {<a name="line.208"></a><FONT color="green">209</FONT> return this.rotateX;<a name="line.209"></a><FONT color="green">210</FONT> }<a name="line.210"></a><FONT color="green">211</FONT> <a name="line.211"></a><FONT color="green">212</FONT> /**<a name="line.212"></a><FONT color="green">213</FONT> * Sets the rotateX value.<a name="line.213"></a><FONT color="green">214</FONT> *<a name="line.214"></a><FONT color="green">215</FONT> * @param x the new value.<a name="line.215"></a><FONT color="green">216</FONT> */<a name="line.216"></a><FONT color="green">217</FONT> public void setRotateX(double x) {<a name="line.217"></a><FONT color="green">218</FONT> this.rotateX = x;<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> /**<a name="line.221"></a><FONT color="green">222</FONT> * Sets the rotateY value.<a name="line.222"></a><FONT color="green">223</FONT> *<a name="line.223"></a><FONT color="green">224</FONT> * @param y the new value.<a name="line.224"></a><FONT color="green">225</FONT> */<a name="line.225"></a><FONT color="green">226</FONT> public void setRotateY(double y) {<a name="line.226"></a><FONT color="green">227</FONT> this.rotateY = y;<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> * Returns the scalar used for determining the rotation y value.<a name="line.231"></a><FONT color="green">232</FONT> *<a name="line.232"></a><FONT color="green">233</FONT> * @return The y rotate scalar.<a name="line.233"></a><FONT color="green">234</FONT> */<a name="line.234"></a><FONT color="green">235</FONT> public double getRotateY() {<a name="line.235"></a><FONT color="green">236</FONT> return this.rotateY;<a name="line.236"></a><FONT color="green">237</FONT> }<a name="line.237"></a><FONT color="green">238</FONT> <a name="line.238"></a><FONT color="green">239</FONT> /**<a name="line.239"></a><FONT color="green">240</FONT> * Draws the needle.<a name="line.240"></a><FONT color="green">241</FONT> *<a name="line.241"></a><FONT color="green">242</FONT> * @param g2 the graphics device.<a name="line.242"></a><FONT color="green">243</FONT> * @param plotArea the plot area.<a name="line.243"></a><FONT color="green">244</FONT> */<a name="line.244"></a><FONT color="green">245</FONT> public void draw(Graphics2D g2, Rectangle2D plotArea) {<a name="line.245"></a><FONT color="green">246</FONT> draw(g2, plotArea, 0);<a name="line.246"></a><FONT color="green">247</FONT> }<a name="line.247"></a><FONT color="green">248</FONT> <a name="line.248"></a><FONT color="green">249</FONT> /**<a name="line.249"></a><FONT color="green">250</FONT> * Draws the needle.<a name="line.250"></a><FONT color="green">251</FONT> *<a name="line.251"></a><FONT color="green">252</FONT> * @param g2 the graphics device.<a name="line.252"></a><FONT color="green">253</FONT> * @param plotArea the plot area.<a name="line.253"></a><FONT color="green">254</FONT> * @param angle the angle.<a name="line.254"></a><FONT color="green">255</FONT> */<a name="line.255"></a><FONT color="green">256</FONT> public void draw(Graphics2D g2, Rectangle2D plotArea, double angle) {<a name="line.256"></a><FONT color="green">257</FONT> <a name="line.257"></a><FONT color="green">258</FONT> Point2D.Double pt = new Point2D.Double();<a name="line.258"></a><FONT color="green">259</FONT> pt.setLocation(<a name="line.259"></a><FONT color="green">260</FONT> plotArea.getMinX() + this.rotateX * plotArea.getWidth(),<a name="line.260"></a><FONT color="green">261</FONT> plotArea.getMinY() + this.rotateY * plotArea.getHeight()<a name="line.261"></a><FONT color="green">262</FONT> );<a name="line.262"></a><FONT color="green">263</FONT> draw(g2, plotArea, pt, angle);<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> <a name="line.266"></a><FONT color="green">267</FONT> /**<a name="line.267"></a><FONT color="green">268</FONT> * Draws the needle.<a name="line.268"></a><FONT color="green">269</FONT> *<a name="line.269"></a><FONT color="green">270</FONT> * @param g2 the graphics device.<a name="line.270"></a><FONT color="green">271</FONT> * @param plotArea the plot area.<a name="line.271"></a><FONT color="green">272</FONT> * @param rotate the rotation point.<a name="line.272"></a><FONT color="green">273</FONT> * @param angle the angle.<a name="line.273"></a><FONT color="green">274</FONT> */<a name="line.274"></a><FONT color="green">275</FONT> public void draw(Graphics2D g2, Rectangle2D plotArea, Point2D rotate, <a name="line.275"></a><FONT color="green">276</FONT> double angle) {<a name="line.276"></a><FONT color="green">277</FONT> <a name="line.277"></a><FONT color="green">278</FONT> Paint savePaint = g2.getColor();<a name="line.278"></a><FONT color="green">279</FONT> Stroke saveStroke = g2.getStroke();<a name="line.279"></a><FONT color="green">280</FONT> <a name="line.280"></a><FONT color="green">281</FONT> drawNeedle(g2, plotArea, rotate, Math.toRadians(angle));<a name="line.281"></a><FONT color="green">282</FONT> <a name="line.282"></a><FONT color="green">283</FONT> g2.setStroke(saveStroke);<a name="line.283"></a><FONT color="green">284</FONT> g2.setPaint(savePaint);<a name="line.284"></a><FONT color="green">285</FONT> <a name="line.285"></a><FONT color="green">286</FONT> }<a name="line.286"></a><FONT color="green">287</FONT> <a name="line.287"></a><FONT color="green">288</FONT> /**<a name="line.288"></a><FONT color="green">289</FONT> * Draws the needle.<a name="line.289"></a><FONT color="green">290</FONT> *<a name="line.290"></a><FONT color="green">291</FONT> * @param g2 the graphics device.<a name="line.291"></a><FONT color="green">292</FONT> * @param plotArea the plot area.<a name="line.292"></a><FONT color="green">293</FONT> * @param rotate the rotation point.<a name="line.293"></a><FONT color="green">294</FONT> * @param angle the angle.<a name="line.294"></a><FONT color="green">295</FONT> */<a name="line.295"></a><FONT color="green">296</FONT> protected abstract void drawNeedle(Graphics2D g2,<a name="line.296"></a><FONT color="green">297</FONT> Rectangle2D plotArea, Point2D rotate, <a name="line.297"></a><FONT color="green">298</FONT> double angle);<a name="line.298"></a><FONT color="green">299</FONT> <a name="line.299"></a><FONT color="green">300</FONT> /**<a name="line.300"></a><FONT color="green">301</FONT> * Displays a shape.<a name="line.301"></a><FONT color="green">302</FONT> *<a name="line.302"></a><FONT color="green">303</FONT> * @param g2 the graphics device.<a name="line.303"></a><FONT color="green">304</FONT> * @param shape the shape.<a name="line.304"></a><FONT color="green">305</FONT> */<a name="line.305"></a><FONT color="green">306</FONT> protected void defaultDisplay(Graphics2D g2, Shape shape) {<a name="line.306"></a><FONT color="green">307</FONT> <a name="line.307"></a><FONT color="green">308</FONT> if (this.fillPaint != null) {<a name="line.308"></a><FONT color="green">309</FONT> g2.setPaint(this.fillPaint);<a name="line.309"></a><FONT color="green">310</FONT> g2.fill(shape);<a name="line.310"></a><FONT color="green">311</FONT> }<a name="line.311"></a><FONT color="green">312</FONT> <a name="line.312"></a><FONT color="green">313</FONT> if (this.outlinePaint != null) {<a name="line.313"></a><FONT color="green">314</FONT> g2.setStroke(this.outlineStroke);<a name="line.314"></a><FONT color="green">315</FONT> g2.setPaint(this.outlinePaint);<a name="line.315"></a><FONT color="green">316</FONT> g2.draw(shape);<a name="line.316"></a><FONT color="green">317</FONT> }<a name="line.317"></a><FONT color="green">318</FONT> <a name="line.318"></a><FONT color="green">319</FONT> }<a name="line.319"></a><FONT color="green">320</FONT> <a name="line.320"></a><FONT color="green">321</FONT> /**<a name="line.321"></a>⌨️ 快捷键说明
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