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| <pre><span class="sourceLineNo">001</span>/*-<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> *******************************************************************************<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * Copyright (c) 2011, 2016 Diamond Light Source Ltd.<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * All rights reserved. This program and the accompanying materials<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * are made available under the terms of the Eclipse Public License v1.0<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * which accompanies this distribution, and is available at<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * http://www.eclipse.org/legal/epl-v10.html<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * Contributors:<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * Peter Chang - initial API and implementation and/or initial documentation<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *******************************************************************************/<a name="line.11"></a> |
| <span class="sourceLineNo">012</span><a name="line.12"></a> |
| <span class="sourceLineNo">013</span>package org.eclipse.january.dataset;<a name="line.13"></a> |
| <span class="sourceLineNo">014</span><a name="line.14"></a> |
| <span class="sourceLineNo">015</span>import java.util.Arrays;<a name="line.15"></a> |
| <span class="sourceLineNo">016</span><a name="line.16"></a> |
| <span class="sourceLineNo">017</span>/**<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> * Class to hold colour datasets as red, green, blue tuples of short integers<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> */<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>public class RGBDataset extends CompoundShortDataset implements Cloneable {<a name="line.20"></a> |
| <span class="sourceLineNo">021</span> // pin UID to base class<a name="line.21"></a> |
| <span class="sourceLineNo">022</span> private static final long serialVersionUID = Dataset.serialVersionUID;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span> private static final int ISIZE = 3; // number of elements per item<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span> @Override<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> public int getDType() {<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> return Dataset.RGB;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> }<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span> /**<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * Create a null dataset<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> */<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> public RGBDataset() {<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> super(ISIZE);<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> }<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span> public RGBDataset(final int... shape) {<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> super(ISIZE, shape);<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> }<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> public RGBDataset(final short[] data, final int... shape) {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> super(ISIZE, data, shape);<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> }<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> /**<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * Copy a dataset<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * @param dataset<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> */<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public RGBDataset(final RGBDataset dataset) {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> super(dataset);<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> }<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> @Override<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> public RGBDataset clone() {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> return new RGBDataset(this);<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> }<a name="line.57"></a> |
| <span class="sourceLineNo">058</span><a name="line.58"></a> |
| <span class="sourceLineNo">059</span> /**<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * Create a dataset using given data (red, green and blue parts are given separately)<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * @param redData<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * @param greenData<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * @param blueData<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @param shape (can be null to create 1D dataset)<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> public RGBDataset(final int[] redData, final int[] greenData, final int[] blueData, int... shape) {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> int dsize = redData.length > greenData.length ? greenData.length : redData.length;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> dsize = dsize > blueData.length ? blueData.length : dsize;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> if (shape == null || shape.length == 0) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> shape = new int[] {dsize};<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> }<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> isize = ISIZE;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> size = ShapeUtils.calcSize(shape);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> if (size != dsize) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> logger.error("Shape is not compatible with size of data array");<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> throw new IllegalArgumentException("Shape is not compatible with size of data array");<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> this.shape = shape.clone();<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> try {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> odata = data = createArray(size);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> } catch (Throwable t) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> throw new IllegalArgumentException(t);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> for (int i = 0, n = 0; i < size; i++) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> data[n++] = (short) redData[i];<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> data[n++] = (short) greenData[i];<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> data[n++] = (short) blueData[i];<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> /**<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * Create a dataset using given data (red, green and blue parts are given separately)<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * @param redData<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> * @param greenData<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * @param blueData<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * @param shape (can be null to create 1D dataset)<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> */<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> public RGBDataset(final short[] redData, final short[] greenData, final short[] blueData, int... shape) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> int dsize = redData.length > greenData.length ? greenData.length : redData.length;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> dsize = dsize > blueData.length ? blueData.length : dsize;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> if (shape == null || shape.length == 0) {<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> shape = new int[] {dsize};<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> isize = ISIZE;<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> size = ShapeUtils.calcSize(shape);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> if (size != dsize) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> logger.error("Shape is not compatible with size of data array");<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> throw new IllegalArgumentException("Shape is not compatible with size of data array");<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> this.shape = shape.clone();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> try {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> odata = data = createArray(size);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> } catch (Throwable t) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> throw new IllegalArgumentException(t);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> for (int i = 0, n = 0; i < size; i++) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> data[n++] = redData[i];<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> data[n++] = greenData[i];<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> data[n++] = blueData[i];<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> }<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> /**<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * Create a dataset using given data (red, green and blue parts are given separately)<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * @param redData<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * @param greenData<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * @param blueData<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * @param shape (can be null to create 1D dataset)<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> */<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> public RGBDataset(final byte[] redData, final byte[] greenData, final byte[] blueData, int... shape) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> int dsize = redData.length > greenData.length ? greenData.length : redData.length;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> dsize = dsize > blueData.length ? blueData.length : dsize;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> if (shape == null || shape.length == 0) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> shape = new int[] {dsize};<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> isize = ISIZE;<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> size = ShapeUtils.calcSize(shape);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> if (size != dsize) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> logger.error("Shape is not compatible with size of data array");<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> throw new IllegalArgumentException("Shape is not compatible with size of data array");<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> this.shape = shape.clone();<a name="line.148"></a> |
| <span class="sourceLineNo">149</span><a name="line.149"></a> |
| <span class="sourceLineNo">150</span> try {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> odata = data = createArray(size);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> } catch (Throwable t) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> logger.error("Could not create a dataset of shape {}", Arrays.toString(shape), t);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> throw new IllegalArgumentException(t);<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<a name="line.155"></a> |
| <span class="sourceLineNo">156</span><a name="line.156"></a> |
| <span class="sourceLineNo">157</span> for (int i = 0, n = 0; i < size; i++) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> data[n++] = (short) (0xff & redData[i]);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> data[n++] = (short) (0xff & greenData[i]);<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> data[n++] = (short) (0xff & blueData[i]);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> /**<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> * Create a dataset using given colour data (colour components are given separately)<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * @param red<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> * @param green<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * @param blue<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> */<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> public RGBDataset(final Dataset red, final Dataset green, final Dataset blue) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> super(ISIZE, red.getShapeRef());<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> red.checkCompatibility(green);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> red.checkCompatibility(blue);<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> if (red.max().doubleValue() > Short.MAX_VALUE || red.min().doubleValue() < Short.MIN_VALUE ||<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> green.max().doubleValue() > Short.MAX_VALUE || green.min().doubleValue() < Short.MIN_VALUE || <a name="line.176"></a> |
| <span class="sourceLineNo">177</span> blue.max().doubleValue() > Short.MAX_VALUE || blue.min().doubleValue() < Short.MIN_VALUE) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> logger.warn("Some values are out of range and will be ");<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span><a name="line.180"></a> |
| <span class="sourceLineNo">181</span> IndexIterator riter = red.getIterator();<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> IndexIterator giter = green.getIterator();<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> IndexIterator biter = blue.getIterator();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span><a name="line.184"></a> |
| <span class="sourceLineNo">185</span> for (int i = 0; riter.hasNext() && giter.hasNext() && biter.hasNext();) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> data[i++] = (short) red.getElementLongAbs(riter.index);<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> data[i++] = (short) green.getElementLongAbs(riter.index);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> data[i++] = (short) blue.getElementLongAbs(riter.index);<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> /**<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> * Create a dataset using given grey data<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> * @param grey<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> */<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> public RGBDataset(final Dataset grey) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> super(ISIZE, grey.getShapeRef());<a name="line.197"></a> |
| <span class="sourceLineNo">198</span><a name="line.198"></a> |
| <span class="sourceLineNo">199</span> IndexIterator giter = grey.getIterator();<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> for (int i = 0; giter.hasNext();) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> final short g = (short) grey.getElementLongAbs(giter.index); <a name="line.202"></a> |
| <span class="sourceLineNo">203</span> data[i++] = g;<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> data[i++] = g;<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> data[i++] = g;<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> /**<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * Create a RGB dataset from an object which could be a Java list, array (of arrays...) or Number. Ragged<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * sequences or arrays are padded with zeros. The item size is the last dimension of the corresponding<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> * elemental dataset<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> *<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> * @param obj<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> * @return dataset with contents given by input<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> */<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> public static RGBDataset createFromObject(final Object obj) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> CompoundShortDataset result = (CompoundShortDataset) DatasetUtils.createCompoundDataset(ShortDataset.createFromObject(obj), ISIZE);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> return new RGBDataset(result.data, result.shape);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> /**<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> * Create a RGB dataset from a compound dataset (no normalisation performed)<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> * @param a<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> * @return RGB dataset (grey if input dataset has less than 3 elements per item)<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> */<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> public static RGBDataset createFromCompoundDataset(final CompoundDataset a) {<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> if (a instanceof RGBDataset)<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> return (RGBDataset) a;<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> final int is = a.getElementsPerItem();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> if (is < 3) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return new RGBDataset(a);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> if (a instanceof CompoundShortDataset && is == 3) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> return new RGBDataset((short[]) a.getBuffer(), a.getShapeRef());<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span><a name="line.238"></a> |
| <span class="sourceLineNo">239</span> final RGBDataset rgb = new RGBDataset(a.getShapeRef());<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> final IndexIterator it = a.getIterator();<a name="line.240"></a> |
| <span class="sourceLineNo">241</span><a name="line.241"></a> |
| <span class="sourceLineNo">242</span> int n = 0;<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> while (it.hasNext()) {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> rgb.data[n++] = (short) a.getElementLongAbs(it.index);<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> rgb.data[n++] = (short) a.getElementLongAbs(it.index + 1);<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> rgb.data[n++] = (short) a.getElementLongAbs(it.index + 2);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> return rgb;<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> }<a name="line.250"></a> |
| <span class="sourceLineNo">251</span><a name="line.251"></a> |
| <span class="sourceLineNo">252</span> /**<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> * Create a RGB dataset from hue, saturation and value dataset<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> * @param hue (in degrees from -360 to 360)<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> * @param saturation (from 0 to 1), can be null to denote 1<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> * @param value (from 0 to 1)<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> * @return RGB dataset<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> */<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> public static RGBDataset createFromHSV(final Dataset hue, final Dataset saturation, final Dataset value) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> if ((saturation != null && !hue.isCompatibleWith(saturation)) || !hue.isCompatibleWith(value)) {<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> throw new IllegalArgumentException("Hue, saturation and value datasets must have the same shape");<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> }<a name="line.262"></a> |
| <span class="sourceLineNo">263</span><a name="line.263"></a> |
| <span class="sourceLineNo">264</span> RGBDataset result = new RGBDataset(hue.getShapeRef());<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> IndexIterator it = result.getIterator(true);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> int[] pos = it.getPos();<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> short[] rgb = new short[3];<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (saturation == null) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> while (it.hasNext()) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> convertHSVToRGB(hue.getDouble(pos), 1, value.getDouble(pos), rgb);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> result.setAbs(it.index, rgb);<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> }<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> } else {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> while (it.hasNext()) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> convertHSVToRGB(hue.getDouble(pos), saturation.getDouble(pos), value.getDouble(pos), rgb);<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> result.setAbs(it.index, rgb);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> return result;<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> /**<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> * Create a RGB dataset from hue, saturation and lightness dataset<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * @param hue (in degrees from -360 to 360)<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * @param saturation (from 0 to 1), can be null to denote 1<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * @param lightness (from 0 to 1)<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> * @return RGB dataset<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> */<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> public static RGBDataset createFromHSL(final Dataset hue, final Dataset saturation, final Dataset lightness) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> if ((saturation != null && !hue.isCompatibleWith(saturation)) || !hue.isCompatibleWith(lightness)) {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> throw new IllegalArgumentException("Hue, saturation and lightness datasets must have the same shape");<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> RGBDataset result = new RGBDataset(hue.getShapeRef());<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> IndexIterator it = result.getIterator(true);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> int[] pos = it.getPos();<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> short[] rgb = new short[3];<a name="line.299"></a> |
| <span class="sourceLineNo">300</span><a name="line.300"></a> |
| <span class="sourceLineNo">301</span> if (saturation == null) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> while (it.hasNext()) {<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> convertHSLToRGB(hue.getDouble(pos), 1, lightness.getDouble(pos), rgb);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> result.setAbs(it.index, rgb);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> }<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> } else {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> while (it.hasNext()) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> convertHSLToRGB(hue.getDouble(pos), saturation.getDouble(pos), lightness.getDouble(pos), rgb);<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> result.setAbs(it.index, rgb);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> return result;<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> private static void convertHSVToRGB(double h, double s, double v, short[] rgb) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> double m = 255 * v;<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> double chroma = s * m;<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> m -= chroma;<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> double hprime = h / 60.;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> if (hprime < 0) {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> hprime += 6;<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> short sx = (short) (chroma * (1 - Math.abs((hprime % 2) - 1)) + m);<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> short sc = (short) (chroma + m);<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> short sm = (short) m;<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> <a name="line.327"></a> |
| <span class="sourceLineNo">328</span> if (hprime < 1) {<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> rgb[0] = sc;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> rgb[1] = sx;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> rgb[2] = sm;<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> } else if (hprime < 2) {<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> rgb[0] = sx;<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> rgb[1] = sc;<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> rgb[2] = sm;<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> } else if (hprime < 3) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> rgb[0] = sm;<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> rgb[1] = sc;<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> rgb[2] = sx;<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> } else if (hprime < 4) {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> rgb[0] = sm;<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> rgb[1] = sx;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> rgb[2] = sc;<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> } else if (hprime < 5) {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> rgb[0] = sx;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> rgb[1] = sm;<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> rgb[2] = sc;<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> } else if (hprime < 6) {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> rgb[0] = sc;<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> rgb[1] = sm;<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> rgb[2] = sx;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> } else { // if hue is outside domain<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> rgb[0] = sm;<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> rgb[1] = sm;<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> rgb[2] = sm;<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> }<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span><a name="line.358"></a> |
| <span class="sourceLineNo">359</span> private static void convertHSLToRGB(double h, double s, double l, short[] rgb) {<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> double m = l;<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> double chroma = s * (1 - Math.abs(2 * m - 1));<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> m -= chroma * 0.5;<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> m *= 255;<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> chroma *= 255;<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> double hprime = h / 60.;<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> if (hprime < 0) {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> hprime += 6;<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> short sx = (short) (chroma * (1 - Math.abs((hprime % 2) - 1)) + m);<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> short sc = (short) (chroma + m);<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> short sm = (short) m;<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> <a name="line.372"></a> |
| <span class="sourceLineNo">373</span> if (hprime < 1) {<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> rgb[0] = sc;<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> rgb[1] = sx;<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> rgb[2] = sm;<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> } else if (hprime < 2) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> rgb[0] = sx;<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> rgb[1] = sc;<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> rgb[2] = sm;<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> } else if (hprime < 3) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> rgb[0] = sm;<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> rgb[1] = sc;<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> rgb[2] = sx;<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> } else if (hprime < 4) {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> rgb[0] = sm;<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> rgb[1] = sx;<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> rgb[2] = sc;<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> } else if (hprime < 5) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> rgb[0] = sx;<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> rgb[1] = sm;<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> rgb[2] = sc;<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> } else if (hprime < 6) {<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> rgb[0] = sc;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> rgb[1] = sm;<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> rgb[2] = sx;<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> } else { // if hue is outside domain<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> rgb[0] = sm;<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> rgb[1] = sm;<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> rgb[2] = sm;<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> }<a name="line.402"></a> |
| <span class="sourceLineNo">403</span><a name="line.403"></a> |
| <span class="sourceLineNo">404</span> @Override<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> public RGBDataset getSlice(SliceIterator siter) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> CompoundShortDataset base = super.getSlice(siter);<a name="line.406"></a> |
| <span class="sourceLineNo">407</span><a name="line.407"></a> |
| <span class="sourceLineNo">408</span> RGBDataset slice = new RGBDataset();<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> copyToView(base, slice, false, false);<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> slice.setData();<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> return slice;<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> }<a name="line.412"></a> |
| <span class="sourceLineNo">413</span><a name="line.413"></a> |
| <span class="sourceLineNo">414</span> @Override<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> public RGBDataset getView(boolean deepCopyMetadata) {<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> RGBDataset view = new RGBDataset();<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> copyToView(this, view, true, deepCopyMetadata);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> view.setData();<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> return view;<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span><a name="line.421"></a> |
| <span class="sourceLineNo">422</span> /**<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> * @return red value in the first position<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> * @since 2.0<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> */<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> public short getRed() {<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> return data[getFirst1DIndex()];<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> }<a name="line.428"></a> |
| <span class="sourceLineNo">429</span><a name="line.429"></a> |
| <span class="sourceLineNo">430</span> /**<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> * @param i<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> * @return red value in given position<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> */<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> public short getRed(final int i) {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> return data[get1DIndex(i)];<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span><a name="line.437"></a> |
| <span class="sourceLineNo">438</span> /**<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> * @param i<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> * @param j<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> * @return red value in given position<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> */<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> public short getRed(final int i, final int j) {<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> return data[get1DIndex(i, j)];<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> }<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> /**<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> * @param pos<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> * @return red value in given position<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> */<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> public short getRed(final int... pos) {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> return data[get1DIndex(pos)];<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> }<a name="line.453"></a> |
| <span class="sourceLineNo">454</span><a name="line.454"></a> |
| <span class="sourceLineNo">455</span> /**<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> * @return green value in the first position<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> * @since 2.0<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> */<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> public short getGreen() {<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> return data[getFirst1DIndex() + 1];<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> }<a name="line.461"></a> |
| <span class="sourceLineNo">462</span><a name="line.462"></a> |
| <span class="sourceLineNo">463</span> /**<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> * @param i<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> * @return green value in given position<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> */<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> public short getGreen(final int i) {<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> return data[get1DIndex(i) + 1];<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> }<a name="line.469"></a> |
| <span class="sourceLineNo">470</span><a name="line.470"></a> |
| <span class="sourceLineNo">471</span> /**<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> * @param i<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> * @param j<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> * @return green value in given position<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> */<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> public short getGreen(final int i, final int j) {<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> return data[get1DIndex(i, j) + 1];<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> }<a name="line.478"></a> |
| <span class="sourceLineNo">479</span><a name="line.479"></a> |
| <span class="sourceLineNo">480</span> /**<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> * @param pos<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> * @return green value in given position<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> */<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> public short getGreen(final int... pos) {<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> return data[get1DIndex(pos) + 1];<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> }<a name="line.486"></a> |
| <span class="sourceLineNo">487</span><a name="line.487"></a> |
| <span class="sourceLineNo">488</span> /**<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> * @return blue value in the first position<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> * @since 2.0<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> */<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> public short getBlue() {<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> return data[getFirst1DIndex() + 2];<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> }<a name="line.494"></a> |
| <span class="sourceLineNo">495</span><a name="line.495"></a> |
| <span class="sourceLineNo">496</span> /**<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> * @param i<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> * @return blue value in given position<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> */<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> public short getBlue(final int i) {<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> return data[get1DIndex(i) + 2];<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> }<a name="line.502"></a> |
| <span class="sourceLineNo">503</span><a name="line.503"></a> |
| <span class="sourceLineNo">504</span> /**<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> * @param i<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> * @param j<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> * @return blue value in given position<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> */<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> public short getBlue(final int i, final int j) {<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> return data[get1DIndex(i, j) + 2];<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> }<a name="line.511"></a> |
| <span class="sourceLineNo">512</span><a name="line.512"></a> |
| <span class="sourceLineNo">513</span> /**<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> * @param pos<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> * @return blue value in given position<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> */<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> public short getBlue(final int... pos) {<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> return data[get1DIndex(pos) + 2];<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> }<a name="line.519"></a> |
| <span class="sourceLineNo">520</span><a name="line.520"></a> |
| <span class="sourceLineNo">521</span> /**<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> * Get a red value from given absolute index as a short - note this index does not<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> * take in account the item size so be careful when using with multi-element items<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> * <a name="line.524"></a> |
| <span class="sourceLineNo">525</span> * @param n<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> * @return red value<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> */<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> public short getRedAbs(int n) {<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> return data[n*isize];<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> }<a name="line.530"></a> |
| <span class="sourceLineNo">531</span><a name="line.531"></a> |
| <span class="sourceLineNo">532</span> /**<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> * Get a green value from given absolute index as a short - note this index does not<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> * take in account the item size so be careful when using with multi-element items<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> * <a name="line.535"></a> |
| <span class="sourceLineNo">536</span> * @param n<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> * @return green value<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> */<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> public short getGreenAbs(int n) {<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> return data[n*isize + 1];<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> }<a name="line.541"></a> |
| <span class="sourceLineNo">542</span><a name="line.542"></a> |
| <span class="sourceLineNo">543</span> /**<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> * Get a blue value from given absolute index as a short - note this index does not<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> * take in account the item size so be careful when using with multi-element items<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> * <a name="line.546"></a> |
| <span class="sourceLineNo">547</span> * @param n<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> * @return blue value<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> */<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> public short getBlueAbs(int n) {<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> return data[n*isize + 2];<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> }<a name="line.552"></a> |
| <span class="sourceLineNo">553</span><a name="line.553"></a> |
| <span class="sourceLineNo">554</span><a name="line.554"></a> |
| <span class="sourceLineNo">555</span> // weights from NTSC formula aka ITU-R BT.601 for mapping RGB to luma<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> private static final double Wr = 0.299, Wg = 0.587, Wb = 0.114;<a name="line.556"></a> |
| <span class="sourceLineNo">557</span><a name="line.557"></a> |
| <span class="sourceLineNo">558</span> /**<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> * Convert colour dataset to a grey-scale one using the NTSC formula, aka ITU-R BT.601, for RGB to luma mapping<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> * @param clazz<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> * @return a grey-scale dataset of given type<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> * @since 2.1<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> */<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> public <T extends Dataset> T createGreyDataset(final T clazz) {<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> return (T) createGreyDataset(clazz, Wr, Wg, Wb);<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> }<a name="line.566"></a> |
| <span class="sourceLineNo">567</span><a name="line.567"></a> |
| <span class="sourceLineNo">568</span> /**<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> * Convert colour dataset to a grey-scale one using given RGB to luma mapping<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> * @param clazz<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> * @param red weight<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> * @param green weight<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> * @param blue weight<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> * @param dtype<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> * @return a grey-scale dataset of given class<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> * @since 2.1<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> */<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> @SuppressWarnings("unchecked")<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> public <T extends Dataset> T createGreyDataset(final T clazz, final double red, final double green, final double blue) {<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> return (T) createGreyDataset(red, green, blue, DTypeUtils.getDType(clazz));<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> }<a name="line.581"></a> |
| <span class="sourceLineNo">582</span><a name="line.582"></a> |
| <span class="sourceLineNo">583</span> /**<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> * Convert colour dataset to a grey-scale one using the NTSC formula, aka ITU-R BT.601, for RGB to luma mapping<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> * @param dtype<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> * @return a grey-scale dataset of given class<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> * @deprecated Use {@link RGBDataset#createGreyDataset(Class)}<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> */<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> @Deprecated<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> public Dataset createGreyDataset(final int dtype) {<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> return createGreyDataset(Wr, Wg, Wb, dtype);<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> }<a name="line.592"></a> |
| <span class="sourceLineNo">593</span><a name="line.593"></a> |
| <span class="sourceLineNo">594</span> /**<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> * Convert colour dataset to a grey-scale one using given RGB to luma mapping<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> * @param red weight<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> * @param green weight<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> * @param blue weight<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> * @param dtype<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> * @return a grey-scale dataset of given type<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> * @deprecated Use {@link RGBDataset#createGreyDataset(Class, double, double, double)}<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> */<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> @Deprecated<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> public Dataset createGreyDataset(final double red, final double green, final double blue, final int dtype) {<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> final Dataset grey = DatasetFactory.zeros(shape, dtype);<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> final IndexIterator it = getIterator();<a name="line.606"></a> |
| <span class="sourceLineNo">607</span><a name="line.607"></a> |
| <span class="sourceLineNo">608</span> int i = 0;<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> while (it.hasNext()) {<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> grey.setObjectAbs(i++, red*data[it.index] + green*data[it.index + 1] + blue*data[it.index + 2]);<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> }<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> return grey;<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> }<a name="line.613"></a> |
| <span class="sourceLineNo">614</span><a name="line.614"></a> |
| <span class="sourceLineNo">615</span> /**<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> * Extract red colour channel<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> * @param clazz<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> * @return a dataset of given class<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> * @since 2.1<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> */<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> public <T extends Dataset> T createRedDataset(final T clazz) {<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> return createColourChannelDataset(0, clazz, "red");<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> }<a name="line.623"></a> |
| <span class="sourceLineNo">624</span><a name="line.624"></a> |
| <span class="sourceLineNo">625</span> /**<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> * Extract green colour channel<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> * @param clazz<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> * @return a dataset of given class<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> * @since 2.1<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> */<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> public <T extends Dataset> T createGreenDataset(final T clazz) {<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> return createColourChannelDataset(1, clazz, "green");<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> }<a name="line.633"></a> |
| <span class="sourceLineNo">634</span><a name="line.634"></a> |
| <span class="sourceLineNo">635</span> /**<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> * Extract blue colour channel<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> * @param clazz<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> * @return a dataset of given class<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> * @since 2.1<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> */<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> public <T extends Dataset> T createBlueDataset(final T clazz) {<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> return createColourChannelDataset(2, clazz, "blue");<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> }<a name="line.643"></a> |
| <span class="sourceLineNo">644</span><a name="line.644"></a> |
| <span class="sourceLineNo">645</span> /**<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> * Extract red colour channel<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> * @param dtype<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> * @return a dataset of given type<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> * @deprecated Use {@link RGBDataset#createRedDataset(Class)}<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> */<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> @Deprecated<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> public Dataset createRedDataset(final int dtype) {<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> return createColourChannelDataset(0, dtype, "red");<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> }<a name="line.654"></a> |
| <span class="sourceLineNo">655</span><a name="line.655"></a> |
| <span class="sourceLineNo">656</span> /**<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> * Extract green colour channel<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> * @param dtype<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> * @return a dataset of given type<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> * @deprecated Use {@link RGBDataset#createGreenDataset(Class)}<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> */<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> @Deprecated<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> public Dataset createGreenDataset(final int dtype) {<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> return createColourChannelDataset(1, dtype, "green");<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> }<a name="line.665"></a> |
| <span class="sourceLineNo">666</span><a name="line.666"></a> |
| <span class="sourceLineNo">667</span> /**<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> * Extract blue colour channel<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> * @param dtype<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> * @return a dataset of given type<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> * @deprecated Use {@link RGBDataset#createBlueDataset(Class)}<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> */<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> @Deprecated<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> public Dataset createBlueDataset(final int dtype) {<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> return createColourChannelDataset(2, dtype, "blue");<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> }<a name="line.676"></a> |
| <span class="sourceLineNo">677</span><a name="line.677"></a> |
| <span class="sourceLineNo">678</span> @SuppressWarnings("unchecked")<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> private <T extends Dataset> T createColourChannelDataset(int channelOffset, T clazz, String cName) {<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> return (T) createColourChannelDataset(channelOffset, DTypeUtils.getDType(clazz), cName);<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> }<a name="line.681"></a> |
| <span class="sourceLineNo">682</span><a name="line.682"></a> |
| <span class="sourceLineNo">683</span><a name="line.683"></a> |
| <span class="sourceLineNo">684</span> @Deprecated<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> private Dataset createColourChannelDataset(final int channelOffset, final int dtype, final String cName) {<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> final Dataset channel = DatasetFactory.zeros(shape, dtype);<a name="line.686"></a> |
| <span class="sourceLineNo">687</span><a name="line.687"></a> |
| <span class="sourceLineNo">688</span> final StringBuilder cname = name == null ? new StringBuilder() : new StringBuilder(name);<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> if (cname.length() > 0) {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> cname.append('.');<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> }<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> cname.append(cName);<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> channel.setName(cname.toString());<a name="line.693"></a> |
| <span class="sourceLineNo">694</span><a name="line.694"></a> |
| <span class="sourceLineNo">695</span> final IndexIterator it = getIterator();<a name="line.695"></a> |
| <span class="sourceLineNo">696</span><a name="line.696"></a> |
| <span class="sourceLineNo">697</span> int i = 0;<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> while (it.hasNext()) {<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> channel.setObjectAbs(i++, data[it.index + channelOffset]);<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> }<a name="line.700"></a> |
| <span class="sourceLineNo">701</span><a name="line.701"></a> |
| <span class="sourceLineNo">702</span> return channel;<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> }<a name="line.703"></a> |
| <span class="sourceLineNo">704</span><a name="line.704"></a> |
| <span class="sourceLineNo">705</span> /**<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> * @return red view<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> */<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> public ShortDataset getRedView() {<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> return getColourChannelView(0, "red");<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> }<a name="line.710"></a> |
| <span class="sourceLineNo">711</span><a name="line.711"></a> |
| <span class="sourceLineNo">712</span> /**<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> * @return green view<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> */<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> public ShortDataset getGreenView() {<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> return getColourChannelView(1, "green");<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> }<a name="line.717"></a> |
| <span class="sourceLineNo">718</span><a name="line.718"></a> |
| <span class="sourceLineNo">719</span> /**<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> * @return blue view<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> */<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> public ShortDataset getBlueView() {<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> return getColourChannelView(2, "blue");<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> }<a name="line.724"></a> |
| <span class="sourceLineNo">725</span><a name="line.725"></a> |
| <span class="sourceLineNo">726</span> private ShortDataset getColourChannelView(final int channelOffset, final String cName) {<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> ShortDataset view = getElements(channelOffset);<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> view.setName(cName);<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> return view;<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> }<a name="line.730"></a> |
| <span class="sourceLineNo">731</span><a name="line.731"></a> |
| <span class="sourceLineNo">732</span> @Override<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> public Number max(boolean... ignored) {<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> short max = Short.MIN_VALUE;<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> final IndexIterator it = getIterator();<a name="line.735"></a> |
| <span class="sourceLineNo">736</span><a name="line.736"></a> |
| <span class="sourceLineNo">737</span> while (it.hasNext()) {<a name="line.737"></a> |
| <span class="sourceLineNo">738</span> for (int i = 0; i < ISIZE; i++) {<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> final short value = data[it.index + i];<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> if (value > max)<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> max = value;<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> }<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> }<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> return max;<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> }<a name="line.745"></a> |
| <span class="sourceLineNo">746</span><a name="line.746"></a> |
| <span class="sourceLineNo">747</span> @Override<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> public Number min(boolean... ignored) {<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> short max = Short.MAX_VALUE;<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> final IndexIterator it = getIterator();<a name="line.750"></a> |
| <span class="sourceLineNo">751</span><a name="line.751"></a> |
| <span class="sourceLineNo">752</span> while (it.hasNext()) {<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> for (int i = 0; i < ISIZE; i++) {<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> final short value = data[it.index + i];<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> if (value < max)<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> max = value;<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> }<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> }<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> return max;<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> }<a name="line.760"></a> |
| <span class="sourceLineNo">761</span>}<a name="line.761"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
