xybardataset.html

jfreechart1。0。2的api。

<FONT color="green">132</FONT>        }<a name="line.132"></a>
<FONT color="green">133</FONT>    <a name="line.133"></a>
<FONT color="green">134</FONT>        /**<a name="line.134"></a>
<FONT color="green">135</FONT>         * Returns the starting X value for the specified series and item.<a name="line.135"></a>
<FONT color="green">136</FONT>         *<a name="line.136"></a>
<FONT color="green">137</FONT>         * @param series  the series index (zero-based).<a name="line.137"></a>
<FONT color="green">138</FONT>         * @param item  the item index (zero-based).<a name="line.138"></a>
<FONT color="green">139</FONT>         *<a name="line.139"></a>
<FONT color="green">140</FONT>         * @return The value.<a name="line.140"></a>
<FONT color="green">141</FONT>         */<a name="line.141"></a>
<FONT color="green">142</FONT>        public Number getStartX(int series, int item) {<a name="line.142"></a>
<FONT color="green">143</FONT>            Number result = null;<a name="line.143"></a>
<FONT color="green">144</FONT>            Number xnum = this.underlying.getX(series, item);<a name="line.144"></a>
<FONT color="green">145</FONT>            if (xnum != null) {<a name="line.145"></a>
<FONT color="green">146</FONT>                 result = new Double(xnum.doubleValue() - this.barWidth / 2.0);   <a name="line.146"></a>
<FONT color="green">147</FONT>            }<a name="line.147"></a>
<FONT color="green">148</FONT>            return result;   <a name="line.148"></a>
<FONT color="green">149</FONT>        }<a name="line.149"></a>
<FONT color="green">150</FONT>    <a name="line.150"></a>
<FONT color="green">151</FONT>        /**<a name="line.151"></a>
<FONT color="green">152</FONT>         * Returns the ending X value for the specified series and item.<a name="line.152"></a>
<FONT color="green">153</FONT>         *<a name="line.153"></a>
<FONT color="green">154</FONT>         * @param series  the series index (zero-based).<a name="line.154"></a>
<FONT color="green">155</FONT>         * @param item  the item index (zero-based).<a name="line.155"></a>
<FONT color="green">156</FONT>         *<a name="line.156"></a>
<FONT color="green">157</FONT>         * @return The value.<a name="line.157"></a>
<FONT color="green">158</FONT>         */<a name="line.158"></a>
<FONT color="green">159</FONT>        public Number getEndX(int series, int item) {<a name="line.159"></a>
<FONT color="green">160</FONT>            Number result = null;<a name="line.160"></a>
<FONT color="green">161</FONT>            Number xnum = this.underlying.getX(series, item);<a name="line.161"></a>
<FONT color="green">162</FONT>            if (xnum != null) {<a name="line.162"></a>
<FONT color="green">163</FONT>                 result = new Double(xnum.doubleValue() + this.barWidth / 2.0);   <a name="line.163"></a>
<FONT color="green">164</FONT>            }<a name="line.164"></a>
<FONT color="green">165</FONT>            return result;   <a name="line.165"></a>
<FONT color="green">166</FONT>        }<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>         * Returns the starting Y value for the specified series and item.<a name="line.169"></a>
<FONT color="green">170</FONT>         *<a name="line.170"></a>
<FONT color="green">171</FONT>         * @param series  the series index (zero-based).<a name="line.171"></a>
<FONT color="green">172</FONT>         * @param item  the item index (zero-based).<a name="line.172"></a>
<FONT color="green">173</FONT>         *<a name="line.173"></a>
<FONT color="green">174</FONT>         * @return The value.<a name="line.174"></a>
<FONT color="green">175</FONT>         */<a name="line.175"></a>
<FONT color="green">176</FONT>        public Number getStartY(int series, int item) {<a name="line.176"></a>
<FONT color="green">177</FONT>            return this.underlying.getY(series, item);   <a name="line.177"></a>
<FONT color="green">178</FONT>        }<a name="line.178"></a>
<FONT color="green">179</FONT>    <a name="line.179"></a>
<FONT color="green">180</FONT>        /**<a name="line.180"></a>
<FONT color="green">181</FONT>         * Returns the ending Y value for the specified series and item.<a name="line.181"></a>
<FONT color="green">182</FONT>         *<a name="line.182"></a>
<FONT color="green">183</FONT>         * @param series  the series index (zero-based).<a name="line.183"></a>
<FONT color="green">184</FONT>         * @param item  the item index (zero-based).<a name="line.184"></a>
<FONT color="green">185</FONT>         *<a name="line.185"></a>
<FONT color="green">186</FONT>         * @return The value.<a name="line.186"></a>
<FONT color="green">187</FONT>         */<a name="line.187"></a>
<FONT color="green">188</FONT>        public Number getEndY(int series, int item) {<a name="line.188"></a>
<FONT color="green">189</FONT>            return this.underlying.getY(series, item);   <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>         * Receives notification of an dataset change event.<a name="line.193"></a>
<FONT color="green">194</FONT>         *<a name="line.194"></a>
<FONT color="green">195</FONT>         * @param event  information about the event.<a name="line.195"></a>
<FONT color="green">196</FONT>         */<a name="line.196"></a>
<FONT color="green">197</FONT>        public void datasetChanged(DatasetChangeEvent event) {<a name="line.197"></a>
<FONT color="green">198</FONT>            this.notifyListeners(event);<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>    }<a name="line.201"></a>




























































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