linerenderer3d.html

jfreechart1。0。2的api。

<FONT color="green">158</FONT>         * @return The paint.<a name="line.158"></a>
<FONT color="green">159</FONT>         */<a name="line.159"></a>
<FONT color="green">160</FONT>        public Paint getWallPaint() {<a name="line.160"></a>
<FONT color="green">161</FONT>            return this.wallPaint;<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>        /**<a name="line.164"></a>
<FONT color="green">165</FONT>         * Sets the paint used to hightlight the left and bottom walls in the plot<a name="line.165"></a>
<FONT color="green">166</FONT>         * background.<a name="line.166"></a>
<FONT color="green">167</FONT>         *<a name="line.167"></a>
<FONT color="green">168</FONT>         * @param paint  the paint.<a name="line.168"></a>
<FONT color="green">169</FONT>         */<a name="line.169"></a>
<FONT color="green">170</FONT>        public void setWallPaint(Paint paint) {<a name="line.170"></a>
<FONT color="green">171</FONT>            this.wallPaint = paint;<a name="line.171"></a>
<FONT color="green">172</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.172"></a>
<FONT color="green">173</FONT>        }<a name="line.173"></a>
<FONT color="green">174</FONT>       <a name="line.174"></a>
<FONT color="green">175</FONT>        /**<a name="line.175"></a>
<FONT color="green">176</FONT>         * Draws the background for the plot.<a name="line.176"></a>
<FONT color="green">177</FONT>         *<a name="line.177"></a>
<FONT color="green">178</FONT>         * @param g2  the graphics device.<a name="line.178"></a>
<FONT color="green">179</FONT>         * @param plot  the plot.<a name="line.179"></a>
<FONT color="green">180</FONT>         * @param dataArea  the area inside the axes.<a name="line.180"></a>
<FONT color="green">181</FONT>         */<a name="line.181"></a>
<FONT color="green">182</FONT>        public void drawBackground(Graphics2D g2, CategoryPlot plot, <a name="line.182"></a>
<FONT color="green">183</FONT>                                   Rectangle2D dataArea) {<a name="line.183"></a>
<FONT color="green">184</FONT>    <a name="line.184"></a>
<FONT color="green">185</FONT>            float x0 = (float) dataArea.getX();<a name="line.185"></a>
<FONT color="green">186</FONT>            float x1 = x0 + (float) Math.abs(this.xOffset);<a name="line.186"></a>
<FONT color="green">187</FONT>            float x3 = (float) dataArea.getMaxX();<a name="line.187"></a>
<FONT color="green">188</FONT>            float x2 = x3 - (float) Math.abs(this.xOffset);<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>            float y0 = (float) dataArea.getMaxY();<a name="line.190"></a>
<FONT color="green">191</FONT>            float y1 = y0 - (float) Math.abs(this.yOffset);<a name="line.191"></a>
<FONT color="green">192</FONT>            float y3 = (float) dataArea.getMinY();<a name="line.192"></a>
<FONT color="green">193</FONT>            float y2 = y3 + (float) Math.abs(this.yOffset);<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>            GeneralPath clip = new GeneralPath();<a name="line.195"></a>
<FONT color="green">196</FONT>            clip.moveTo(x0, y0);<a name="line.196"></a>
<FONT color="green">197</FONT>            clip.lineTo(x0, y2);<a name="line.197"></a>
<FONT color="green">198</FONT>            clip.lineTo(x1, y3);<a name="line.198"></a>
<FONT color="green">199</FONT>            clip.lineTo(x3, y3);<a name="line.199"></a>
<FONT color="green">200</FONT>            clip.lineTo(x3, y1);<a name="line.200"></a>
<FONT color="green">201</FONT>            clip.lineTo(x2, y0);<a name="line.201"></a>
<FONT color="green">202</FONT>            clip.closePath();<a name="line.202"></a>
<FONT color="green">203</FONT>    <a name="line.203"></a>
<FONT color="green">204</FONT>            // fill background...<a name="line.204"></a>
<FONT color="green">205</FONT>            Paint backgroundPaint = plot.getBackgroundPaint();<a name="line.205"></a>
<FONT color="green">206</FONT>            if (backgroundPaint != null) {<a name="line.206"></a>
<FONT color="green">207</FONT>                g2.setPaint(backgroundPaint);<a name="line.207"></a>
<FONT color="green">208</FONT>                g2.fill(clip);<a name="line.208"></a>
<FONT color="green">209</FONT>            }<a name="line.209"></a>
<FONT color="green">210</FONT>    <a name="line.210"></a>
<FONT color="green">211</FONT>            GeneralPath leftWall = new GeneralPath();<a name="line.211"></a>
<FONT color="green">212</FONT>            leftWall.moveTo(x0, y0);<a name="line.212"></a>
<FONT color="green">213</FONT>            leftWall.lineTo(x0, y2);<a name="line.213"></a>
<FONT color="green">214</FONT>            leftWall.lineTo(x1, y3);<a name="line.214"></a>
<FONT color="green">215</FONT>            leftWall.lineTo(x1, y1);<a name="line.215"></a>
<FONT color="green">216</FONT>            leftWall.closePath();<a name="line.216"></a>
<FONT color="green">217</FONT>            g2.setPaint(getWallPaint());<a name="line.217"></a>
<FONT color="green">218</FONT>            g2.fill(leftWall);<a name="line.218"></a>
<FONT color="green">219</FONT>    <a name="line.219"></a>
<FONT color="green">220</FONT>            GeneralPath bottomWall = new GeneralPath();<a name="line.220"></a>
<FONT color="green">221</FONT>            bottomWall.moveTo(x0, y0);<a name="line.221"></a>
<FONT color="green">222</FONT>            bottomWall.lineTo(x1, y1);<a name="line.222"></a>
<FONT color="green">223</FONT>            bottomWall.lineTo(x3, y1);<a name="line.223"></a>
<FONT color="green">224</FONT>            bottomWall.lineTo(x2, y0);<a name="line.224"></a>
<FONT color="green">225</FONT>            bottomWall.closePath();<a name="line.225"></a>
<FONT color="green">226</FONT>            g2.setPaint(getWallPaint());<a name="line.226"></a>
<FONT color="green">227</FONT>            g2.fill(bottomWall);<a name="line.227"></a>
<FONT color="green">228</FONT>    <a name="line.228"></a>
<FONT color="green">229</FONT>            // higlight the background corners...<a name="line.229"></a>
<FONT color="green">230</FONT>            g2.setPaint(Color.lightGray);<a name="line.230"></a>
<FONT color="green">231</FONT>            Line2D corner = new Line2D.Double(x0, y0, x1, y1);<a name="line.231"></a>
<FONT color="green">232</FONT>            g2.draw(corner);<a name="line.232"></a>
<FONT color="green">233</FONT>            corner.setLine(x1, y1, x1, y3);<a name="line.233"></a>
<FONT color="green">234</FONT>            g2.draw(corner);<a name="line.234"></a>
<FONT color="green">235</FONT>            corner.setLine(x1, y1, x3, y1);<a name="line.235"></a>
<FONT color="green">236</FONT>            g2.draw(corner);<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>            // draw background image, if there is one...<a name="line.238"></a>
<FONT color="green">239</FONT>            Image backgroundImage = plot.getBackgroundImage();<a name="line.239"></a>
<FONT color="green">240</FONT>            if (backgroundImage != null) {<a name="line.240"></a>
<FONT color="green">241</FONT>                Composite originalComposite = g2.getComposite();<a name="line.241"></a>
<FONT color="green">242</FONT>                g2.setComposite(AlphaComposite.getInstance(<a name="line.242"></a>
<FONT color="green">243</FONT>                        AlphaComposite.SRC, plot.getBackgroundAlpha()));<a name="line.243"></a>
<FONT color="green">244</FONT>                g2.drawImage(backgroundImage, (int) x1, (int) y3, <a name="line.244"></a>
<FONT color="green">245</FONT>                        (int) (x3 - x1 + 1), (int) (y1 - y3 + 1), null);<a name="line.245"></a>
<FONT color="green">246</FONT>                g2.setComposite(originalComposite);<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>    <a name="line.250"></a>
<FONT color="green">251</FONT>        /**<a name="line.251"></a>
<FONT color="green">252</FONT>         * Draws the outline for the plot.<a name="line.252"></a>
<FONT color="green">253</FONT>         *<a name="line.253"></a>
<FONT color="green">254</FONT>         * @param g2  the graphics device.<a name="line.254"></a>
<FONT color="green">255</FONT>         * @param plot  the plot.<a name="line.255"></a>
<FONT color="green">256</FONT>         * @param dataArea  the area inside the axes.<a name="line.256"></a>
<FONT color="green">257</FONT>         */<a name="line.257"></a>
<FONT color="green">258</FONT>        public void drawOutline(Graphics2D g2, CategoryPlot plot, <a name="line.258"></a>
<FONT color="green">259</FONT>                                Rectangle2D dataArea) {<a name="line.259"></a>
<FONT color="green">260</FONT>    <a name="line.260"></a>
<FONT color="green">261</FONT>            float x0 = (float) dataArea.getX();<a name="line.261"></a>
<FONT color="green">262</FONT>            float x1 = x0 + (float) Math.abs(this.xOffset);<a name="line.262"></a>
<FONT color="green">263</FONT>            float x3 = (float) dataArea.getMaxX();<a name="line.263"></a>
<FONT color="green">264</FONT>            float x2 = x3 - (float) Math.abs(this.xOffset);<a name="line.264"></a>
<FONT color="green">265</FONT>    <a name="line.265"></a>
<FONT color="green">266</FONT>            float y0 = (float) dataArea.getMaxY();<a name="line.266"></a>
<FONT color="green">267</FONT>            float y1 = y0 - (float) Math.abs(this.yOffset);<a name="line.267"></a>
<FONT color="green">268</FONT>            float y3 = (float) dataArea.getMinY();<a name="line.268"></a>
<FONT color="green">269</FONT>            float y2 = y3 + (float) Math.abs(this.yOffset);<a name="line.269"></a>
<FONT color="green">270</FONT>    <a name="line.270"></a>
<FONT color="green">271</FONT>            GeneralPath clip = new GeneralPath();<a name="line.271"></a>
<FONT color="green">272</FONT>            clip.moveTo(x0, y0);<a name="line.272"></a>
<FONT color="green">273</FONT>            clip.lineTo(x0, y2);<a name="line.273"></a>
<FONT color="green">274</FONT>            clip.lineTo(x1, y3);<a name="line.274"></a>
<FONT color="green">275</FONT>            clip.lineTo(x3, y3);<a name="line.275"></a>
<FONT color="green">276</FONT>            clip.lineTo(x3, y1);<a name="line.276"></a>
<FONT color="green">277</FONT>            clip.lineTo(x2, y0);<a name="line.277"></a>
<FONT color="green">278</FONT>            clip.closePath();<a name="line.278"></a>
<FONT color="green">279</FONT>    <a name="line.279"></a>
<FONT color="green">280</FONT>            // put an outline around the data area...<a name="line.280"></a>
<FONT color="green">281</FONT>            Stroke outlineStroke = plot.getOutlineStroke();<a name="line.281"></a>
<FONT color="green">282</FONT>            Paint outlinePaint = plot.getOutlinePaint();<a name="line.282"></a>
<FONT color="green">283</FONT>            if ((outlineStroke != null) &amp;&amp; (outlinePaint != null)) {<a name="line.283"></a>
<FONT color="green">284</FONT>                g2.setStroke(outlineStroke);<a name="line.284"></a>
<FONT color="green">285</FONT>                g2.setPaint(outlinePaint);<a name="line.285"></a>
<FONT color="green">286</FONT>                g2.draw(clip);<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>        }<a name="line.289"></a>
<FONT color="green">290</FONT>    <a name="line.290"></a>
<FONT color="green">291</FONT>        /**<a name="line.291"></a>
<FONT color="green">292</FONT>         * Draws a grid line against the domain axis.<a name="line.292"></a>
<FONT color="green">293</FONT>         *<a name="line.293"></a>
<FONT color="green">294</FONT>         * @param g2  the graphics device.<a name="line.294"></a>
<FONT color="green">295</FONT>         * @param plot  the plot.<a name="line.295"></a>
<FONT color="green">296</FONT>         * @param dataArea  the area for plotting data (not yet adjusted for any <a name="line.296"></a>
<FONT color="green">297</FONT>         *                  3D effect).<a name="line.297"></a>
<FONT color="green">298</FONT>         * @param value  the Java2D value at which the grid line should be drawn.<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>        public void drawDomainGridline(Graphics2D g2,<a name="line.301"></a>
<FONT color="green">302</FONT>                                       CategoryPlot plot,<a name="line.302"></a>
<FONT color="green">303</FONT>                                       Rectangle2D dataArea,<a name="line.303"></a>
<FONT color="green">304</FONT>                                       double value) {<a name="line.304"></a>
<FONT color="green">305</FONT>    <a name="line.305"></a>
<FONT color="green">306</FONT>            Line2D line1 = null;<a name="line.306"></a>
<FONT color="green">307</FONT>            Line2D line2 = null;<a name="line.307"></a>
<FONT color="green">308</FONT>            PlotOrientation orientation = plot.getOrientation();<a name="line.308"></a>
<FONT color="green">309</FONT>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.309"></a>
<FONT color="green">310</FONT>                double y0 = value;<a name="line.310"></a>
<FONT color="green">311</FONT>                double y1 = value - getYOffset();<a name="line.311"></a>
<FONT color="green">312</FONT>                double x0 = dataArea.getMinX();<a name="line.312"></a>
<FONT color="green">313</FONT>                double x1 = x0 + getXOffset();<a name="line.313"></a>
<FONT color="green">314</FONT>                double x2 = dataArea.getMaxY();<a name="line.314"></a>
<FONT color="green">315</FONT>                line1 = new Line2D.Double(x0, y0, x1, y1);<a name="line.315"></a>
<FONT color="green">316</FONT>                line2 = new Line2D.Double(x1, y1, x2, y1);<a name="line.316"></a>
<FONT color="green">317</FONT>            }<a name="line.317"></a>