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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">IImageLoader Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p><a class="el" href="struct_image.xhtml" title="Structure to hold Image information.">Image</a> loader interface.
<a href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a76b531ca14f333b04c1d97042dd73c16"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a76b531ca14f333b04c1d97042dd73c16">IImageLoader</a> ()</td></tr>
<tr class="memdesc:a76b531ca14f333b04c1d97042dd73c16"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default Constructor. <a href="#a76b531ca14f333b04c1d97042dd73c16">More...</a><br /></td></tr>
<tr class="separator:a76b531ca14f333b04c1d97042dd73c16"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9caf88dbc64be1a6ef22716c0eaf46cf"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a9caf88dbc64be1a6ef22716c0eaf46cf">~IImageLoader</a> ()=default</td></tr>
<tr class="memdesc:a9caf88dbc64be1a6ef22716c0eaf46cf"><td class="mdescLeft">&#160;</td><td class="mdescRight">Virtual base destructor. <a href="#a9caf88dbc64be1a6ef22716c0eaf46cf">More...</a><br /></td></tr>
<tr class="separator:a9caf88dbc64be1a6ef22716c0eaf46cf"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7f0f3e5dd09a150b2cc221c01804d1a7"><td class="memItemLeft" align="right" valign="top">unsigned int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a7f0f3e5dd09a150b2cc221c01804d1a7">width</a> () const</td></tr>
<tr class="memdesc:a7f0f3e5dd09a150b2cc221c01804d1a7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the width of the currently open image file. <a href="#a7f0f3e5dd09a150b2cc221c01804d1a7">More...</a><br /></td></tr>
<tr class="separator:a7f0f3e5dd09a150b2cc221c01804d1a7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adc7679009b582b99d859c0edfc35aa4a"><td class="memItemLeft" align="right" valign="top">unsigned int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#adc7679009b582b99d859c0edfc35aa4a">height</a> () const</td></tr>
<tr class="memdesc:adc7679009b582b99d859c0edfc35aa4a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the height of the currently open image file. <a href="#adc7679009b582b99d859c0edfc35aa4a">More...</a><br /></td></tr>
<tr class="separator:adc7679009b582b99d859c0edfc35aa4a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a25c255918a7306769a9e3886166af935"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">is_open</a> ()=0</td></tr>
<tr class="memdesc:a25c255918a7306769a9e3886166af935"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return true if the image file is currently open. <a href="#a25c255918a7306769a9e3886166af935">More...</a><br /></td></tr>
<tr class="separator:a25c255918a7306769a9e3886166af935"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab646a9b1297198d7c9e2e809c29b7391"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#ab646a9b1297198d7c9e2e809c29b7391">open</a> (const std::string &amp;filename)=0</td></tr>
<tr class="memdesc:ab646a9b1297198d7c9e2e809c29b7391"><td class="mdescLeft">&#160;</td><td class="mdescRight">Open an image file and reads its metadata (Width, height) <a href="#ab646a9b1297198d7c9e2e809c29b7391">More...</a><br /></td></tr>
<tr class="separator:ab646a9b1297198d7c9e2e809c29b7391"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af6ee7eacbde6b379b68d954e44f6e549"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#af6ee7eacbde6b379b68d954e44f6e549">close</a> ()=0</td></tr>
<tr class="memdesc:af6ee7eacbde6b379b68d954e44f6e549"><td class="mdescLeft">&#160;</td><td class="mdescRight">Closes an image file. <a href="#af6ee7eacbde6b379b68d954e44f6e549">More...</a><br /></td></tr>
<tr class="separator:af6ee7eacbde6b379b68d954e44f6e549"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a283b961e6ca7b117b106c8710c7cfe81"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a283b961e6ca7b117b106c8710c7cfe81"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a283b961e6ca7b117b106c8710c7cfe81">init_image</a> (T &amp;image, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58">Format</a> format)</td></tr>
<tr class="memdesc:a283b961e6ca7b117b106c8710c7cfe81"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialise an image's metadata with the dimensions of the image file currently open. <a href="#a283b961e6ca7b117b106c8710c7cfe81">More...</a><br /></td></tr>
<tr class="separator:a283b961e6ca7b117b106c8710c7cfe81"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1672610b872bef30d0dc2333a0ffc402"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a1672610b872bef30d0dc2333a0ffc402"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a1672610b872bef30d0dc2333a0ffc402">fill_image</a> (T &amp;image)</td></tr>
<tr class="memdesc:a1672610b872bef30d0dc2333a0ffc402"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fill an image with the content of the currently open image file. <a href="#a1672610b872bef30d0dc2333a0ffc402">More...</a><br /></td></tr>
<tr class="separator:a1672610b872bef30d0dc2333a0ffc402"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7c3f70e1caee95bb95c62346e130e5ab"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a7c3f70e1caee95bb95c62346e130e5ab"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a7c3f70e1caee95bb95c62346e130e5ab">fill_planar_tensor</a> (T &amp;tensor, bool bgr=false)</td></tr>
<tr class="memdesc:a7c3f70e1caee95bb95c62346e130e5ab"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fill a tensor with 3 planes (one for each channel) with the content of the currently open image file. <a href="#a7c3f70e1caee95bb95c62346e130e5ab">More...</a><br /></td></tr>
<tr class="separator:a7c3f70e1caee95bb95c62346e130e5ab"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="struct_image.xhtml" title="Structure to hold Image information.">Image</a> loader interface. </p>
<p class="definition">Definition at line <a class="el" href="_image_loader_8h_source.xhtml#l00125">125</a> of file <a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a76b531ca14f333b04c1d97042dd73c16">&#9670;&nbsp;</a></span>IImageLoader()</h2>
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<td class="memname"><a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml">IImageLoader</a> </td>
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<p>Default Constructor. </p>
<p class="definition">Definition at line <a class="el" href="_image_loader_8h_source.xhtml#l00129">129</a> of file <a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; : _feeder(<span class="keyword">nullptr</span>), _width(0), _height(0)</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; }</div></div><!-- fragment -->
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<h2 class="memtitle"><span class="permalink"><a href="#a9caf88dbc64be1a6ef22716c0eaf46cf">&#9670;&nbsp;</a></span>~IImageLoader()</h2>
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<td class="memname">virtual ~<a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml">IImageLoader</a> </td>
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<span class="mlabels"><span class="mlabel">virtual</span><span class="mlabel">default</span></span> </td>
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<p>Virtual base destructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#af6ee7eacbde6b379b68d954e44f6e549">&#9670;&nbsp;</a></span>close()</h2>
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<td class="memname">virtual void close </td>
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<p>Closes an image file. </p>
<p>Implemented in <a class="el" href="classarm__compute_1_1utils_1_1_j_p_e_g_loader.xhtml#a7008bca493d69ea65f12e0940f3a6886">JPEGLoader</a>, and <a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#a7008bca493d69ea65f12e0940f3a6886">PPMLoader</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1672610b872bef30d0dc2333a0ffc402">&#9670;&nbsp;</a></span>fill_image()</h2>
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<td class="memname">void fill_image </td>
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<p>Fill an image with the content of the currently open image file. </p>
<dl class="section note"><dt>Note</dt><dd>If the image is a CLImage, the function maps and unmaps the image</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in,out]</td><td class="paramname">image</td><td><a class="el" href="struct_image.xhtml" title="Structure to hold Image information.">Image</a> to fill (Must be allocated, and of matching dimensions with the opened image file). </td></tr>
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<p class="definition">Definition at line <a class="el" href="_image_loader_8h_source.xhtml#l00176">176</a> of file <a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(!<a class="code" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">is_open</a>());</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(image.info()-&gt;dimension(0) != _width || image.info()-&gt;dimension(1) != _height);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <a class="code" href="_validate_8h.xhtml#a0d34a8aa07600727e4e5034c7cdad47d">ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN</a>(&amp;image, <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">Format::U8</a>, <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">Format::RGB888</a>);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(_feeder.get() == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; {</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="comment">// Map buffer if creating a CLTensor/GCTensor</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <a class="code" href="namespacearm__compute_1_1utils.xhtml#a9c3303817ba653b5d1e78efb88d02bcf">map</a>(image, <span class="keyword">true</span>);</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="comment">// Validate feeding data</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; validate_info(image.info());</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">switch</span>(image.info()-&gt;format())</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">Format::U8</a>:</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; {</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="comment">// We need to convert the data from RGB to grayscale:</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="comment">// Iterate through every pixel of the image</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; Window window;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#aa96e81276ee4f87ab386cd05a5539a7d">Window::DimX</a>, Window::Dimension(0, _width, 1));</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">Window::DimY</a>, Window::Dimension(0, _height, 1));</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; Iterator out(&amp;image, window);</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> red = 0;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> green = 0;</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> blue = 0;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <a class="code" href="namespacearm__compute.xhtml#a5002bf7ec46d52971f9526e94172cfee">execute_window_loop</a>(window, [&amp;](<span class="keyword">const</span> Coordinates &amp; <span class="keywordtype">id</span>)</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; red = _feeder-&gt;get();</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; green = _feeder-&gt;get();</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; blue = _feeder-&gt;get();</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; *out.ptr() = 0.2126f * red + 0.7152f * green + 0.0722f * blue;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; },</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; out);</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; }</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">Format::RGB888</a>:</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; {</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="comment">// There is no format conversion needed: we can simply copy the content of the input file to the image one row at the time.</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="comment">// Create a vertical window to iterate through the image&#39;s rows:</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; Window window;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">Window::DimY</a>, Window::Dimension(0, _height, 1));</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; Iterator out(&amp;image, window);</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordtype">size_t</span> row_size = _width * image.info()-&gt;element_size();</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <a class="code" href="namespacearm__compute.xhtml#a5002bf7ec46d52971f9526e94172cfee">execute_window_loop</a>(window, [&amp;](<span class="keyword">const</span> Coordinates &amp; <span class="keywordtype">id</span>)</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; {</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; _feeder-&gt;get_row(out.ptr(), row_size);</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; },</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; out);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; }</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="keywordflow">default</span>:</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Unsupported format&quot;</span>);</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; }</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="comment">// Unmap buffer if creating a CLTensor/GCTensor</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <a class="code" href="namespacearm__compute_1_1utils.xhtml#a4ff2134cb88cb5a27120cddb98b59774">unmap</a>(image);</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; }</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::ifstream::failure &amp;e)</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Loading image file: %s&quot;</span>, e.what());</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; }</div><div class="ttc" id="_error_8h_xhtml_a05b19c75afe9c24200a62b9724734bbd"><div class="ttname"><a href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(...)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00261">Error.h:261</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5"><div class="ttname"><a href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::Format::U8</a></div><div class="ttdoc">1 channel, 1 U8 per channel</div></div>
<div class="ttc" id="_validate_8h_xhtml_a0d34a8aa07600727e4e5034c7cdad47d"><div class="ttname"><a href="_validate_8h.xhtml#a0d34a8aa07600727e4e5034c7cdad47d">ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN(t,...)</div><div class="ttdef"><b>Definition:</b> <a href="_validate_8h_source.xhtml#l00642">Validate.h:642</a></div></div>
<div class="ttc" id="_error_8h_xhtml_a54a6080c9f4df1f908e57a9bbb46f5da"><div class="ttname"><a href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true then an error message is printed and an exception thrown.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00337">Error.h:337</a></div></div>
<div class="ttc" id="classarm__compute_1_1utils_1_1_i_image_loader_xhtml_a25c255918a7306769a9e3886166af935"><div class="ttname"><a href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">arm_compute::utils::IImageLoader::is_open</a></div><div class="ttdeci">virtual bool is_open()=0</div><div class="ttdoc">Return true if the image file is currently open.</div></div>
<div class="ttc" id="namespacearm__compute_1_1utils_xhtml_a4ff2134cb88cb5a27120cddb98b59774"><div class="ttname"><a href="namespacearm__compute_1_1utils.xhtml#a4ff2134cb88cb5a27120cddb98b59774">arm_compute::utils::unmap</a></div><div class="ttdeci">void unmap(T &amp;tensor)</div><div class="ttdoc">Unmaps a tensor if needed.</div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8h_source.xhtml#l00217">Utils.h:217</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0"><div class="ttname"><a href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::Format::RGB888</a></div><div class="ttdoc">3 channels, 1 U8 per channel</div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_aa96e81276ee4f87ab386cd05a5539a7d"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#aa96e81276ee4f87ab386cd05a5539a7d">arm_compute::Window::DimX</a></div><div class="ttdeci">static constexpr size_t DimX</div><div class="ttdoc">Alias for dimension 0 also known as X dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00043">Window.h:43</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_ad2d402364fa822b0b7775081291eeca9"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">arm_compute::Window::DimY</a></div><div class="ttdeci">static constexpr size_t DimY</div><div class="ttdoc">Alias for dimension 1 also known as Y dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00045">Window.h:45</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utils_xhtml_a9c3303817ba653b5d1e78efb88d02bcf"><div class="ttname"><a href="namespacearm__compute_1_1utils.xhtml#a9c3303817ba653b5d1e78efb88d02bcf">arm_compute::utils::map</a></div><div class="ttdeci">void map(T &amp;tensor, bool blocking)</div><div class="ttdoc">Maps a tensor if needed.</div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8h_source.xhtml#l00206">Utils.h:206</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a5002bf7ec46d52971f9526e94172cfee"><div class="ttname"><a href="namespacearm__compute.xhtml#a5002bf7ec46d52971f9526e94172cfee">arm_compute::execute_window_loop</a></div><div class="ttdeci">void execute_window_loop(const Window &amp;w, L &amp;&amp;lambda_function, Ts &amp;&amp;... iterators)</div><div class="ttdoc">Iterate through the passed window, automatically adjusting the iterators and calling the lambda_funct...</div><div class="ttdef"><b>Definition:</b> <a href="_helpers_8inl_source.xhtml#l00122">Helpers.inl:122</a></div></div>
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<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00261">ARM_COMPUTE_ERROR</a>, <a class="el" href="_error_8h_source.xhtml#l00337">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="_validate_8h_source.xhtml#l00642">ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN</a>, <a class="el" href="_window_8h_source.xhtml#l00043">Window::DimX</a>, <a class="el" href="_window_8h_source.xhtml#l00045">Window::DimY</a>, <a class="el" href="_helpers_8inl_source.xhtml#l00122">arm_compute::execute_window_loop()</a>, <a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">IImageLoader::is_open()</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00206">arm_compute::utils::map()</a>, <a class="el" href="_helpers_8inl_source.xhtml#l00184">Iterator::ptr()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::RGB888</a>, <a class="el" href="_window_8inl_source.xhtml#l00048">Window::set()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::U8</a>, and <a class="el" href="utils_2_utils_8h_source.xhtml#l00217">arm_compute::utils::unmap()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7c3f70e1caee95bb95c62346e130e5ab">&#9670;&nbsp;</a></span>fill_planar_tensor()</h2>
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<td class="memname">void fill_planar_tensor </td>
<td>(</td>
<td class="paramtype">T &amp;&#160;</td>
<td class="paramname"><em>tensor</em>, </td>
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<td class="paramtype">bool&#160;</td>
<td class="paramname"><em>bgr</em> = <code>false</code>&#160;</td>
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<td>)</td>
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<p>Fill a tensor with 3 planes (one for each channel) with the content of the currently open image file. </p>
<dl class="section note"><dt>Note</dt><dd>If the image is a CLImage, the function maps and unmaps the image</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">tensor</td><td><a class="el" href="classarm__compute_1_1_tensor.xhtml" title="Basic implementation of the tensor interface.">Tensor</a> with 3 planes to fill (Must be allocated, and of matching dimensions with the opened image). Data types supported: U8/F32 </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">bgr</td><td>(Optional) Fill the first plane with blue channel (default = false) </td></tr>
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<p class="definition">Definition at line <a class="el" href="_image_loader_8h_source.xhtml#l00256">256</a> of file <a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(!<a class="code" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">is_open</a>());</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <a class="code" href="_validate_8h.xhtml#aadf5c9cff86327b96d88d04649d9715e">ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN</a>(&amp;tensor, 1, <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">DataType::U8</a>, <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda">DataType::F32</a>);</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacearm__compute.xhtml#ad1d5cce2d9e9a5d61c243e5c989112e0">DataLayout</a> <a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acf5f12bbab64dd614bd8220c97fe484f">data_layout</a> = tensor.info()-&gt;data_layout();</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="keyword">const</span> TensorShape tensor_shape = tensor.info()-&gt;tensor_shape();</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160;</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <a class="code" href="_error_8h.xhtml#a6dc630a6ae9cc063b3924bcea8dee9d6">ARM_COMPUTE_UNUSED</a>(tensor_shape);</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(tensor_shape[<a class="code" href="namespacearm__compute.xhtml#a46e938020a3ac8c926d0590b7fe957db">get_data_layout_dimension_index</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acf5f12bbab64dd614bd8220c97fe484f">data_layout</a>, <a class="code" href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02a49da85b69bc6285eeee286ca49fa7195">DataLayoutDimension::WIDTH</a>)] != _width);</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(tensor_shape[<a class="code" href="namespacearm__compute.xhtml#a46e938020a3ac8c926d0590b7fe957db">get_data_layout_dimension_index</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acf5f12bbab64dd614bd8220c97fe484f">data_layout</a>, <a class="code" href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02ad770ba3ce18fa409965dfdf5e7c348e6">DataLayoutDimension::HEIGHT</a>)] != _height);</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(tensor_shape[<a class="code" href="namespacearm__compute.xhtml#a46e938020a3ac8c926d0590b7fe957db">get_data_layout_dimension_index</a>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acf5f12bbab64dd614bd8220c97fe484f">data_layout</a>, <a class="code" href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02af52e9c50a060add65a035429b2a22229">DataLayoutDimension::CHANNEL</a>)] != 3);</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160;</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(_feeder.get() == <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160;</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; {</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="comment">// Map buffer if creating a CLTensor</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; <a class="code" href="namespacearm__compute_1_1utils.xhtml#a9c3303817ba653b5d1e78efb88d02bcf">map</a>(tensor, <span class="keyword">true</span>);</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="comment">// Validate feeding data</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; validate_info(tensor.info());</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; <span class="comment">// Stride across channels</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <span class="keywordtype">size_t</span> stride_z = 0;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="comment">// Iterate through every pixel of the image</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; Window window;</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordflow">if</span>(<a class="code" href="namespacearm__compute_1_1test_1_1validation.xhtml#acf5f12bbab64dd614bd8220c97fe484f">data_layout</a> == <a class="code" href="namespacearm__compute.xhtml#ad1d5cce2d9e9a5d61c243e5c989112e0a6b99f356fe3b30a2a850b5ea897c289f">DataLayout::NCHW</a>)</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; {</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#aa96e81276ee4f87ab386cd05a5539a7d">Window::DimX</a>, Window::Dimension(0, _width, 1));</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">Window::DimY</a>, Window::Dimension(0, _height, 1));</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#a893d17b56b9abc4423ce26e9a24ac5dc">Window::DimZ</a>, Window::Dimension(0, 1, 1));</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; stride_z = tensor.info()-&gt;strides_in_bytes()[2];</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; }</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="keywordflow">else</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; {</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#aa96e81276ee4f87ab386cd05a5539a7d">Window::DimX</a>, Window::Dimension(0, 1, 1));</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">Window::DimY</a>, Window::Dimension(0, _width, 1));</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; window.set(<a class="code" href="classarm__compute_1_1_window.xhtml#a893d17b56b9abc4423ce26e9a24ac5dc">Window::DimZ</a>, Window::Dimension(0, _height, 1));</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; stride_z = tensor.info()-&gt;strides_in_bytes()[0];</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; }</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; Iterator out(&amp;tensor, window);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> red = 0;</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> green = 0;</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> blue = 0;</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160;</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <a class="code" href="namespacearm__compute.xhtml#a5002bf7ec46d52971f9526e94172cfee">execute_window_loop</a>(window, [&amp;](<span class="keyword">const</span> Coordinates &amp; <span class="keywordtype">id</span>)</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; {</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; red = _feeder-&gt;get();</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; green = _feeder-&gt;get();</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; blue = _feeder-&gt;get();</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160;</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="keywordflow">switch</span>(tensor.info()-&gt;data_type())</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; {</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">DataType::U8</a>:</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; {</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; *(out.ptr() + 0 * stride_z) = bgr ? blue : red;</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; *(out.ptr() + 1 * stride_z) = green;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; *(out.ptr() + 2 * stride_z) = bgr ? red : blue;</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; }</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda">DataType::F32</a>:</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; *reinterpret_cast&lt;float *&gt;(out.ptr() + 0 * stride_z) = static_cast&lt;float&gt;(bgr ? blue : red);</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; *reinterpret_cast&lt;float *&gt;(out.ptr() + 1 * stride_z) = static_cast&lt;float&gt;(green);</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; *reinterpret_cast&lt;float *&gt;(out.ptr() + 2 * stride_z) = static_cast&lt;float&gt;(bgr ? red : blue);</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; }</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; <span class="keywordflow">default</span>:</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; {</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Unsupported data type&quot;</span>);</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; }</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; }</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; },</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; out);</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160;</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; <span class="comment">// Unmap buffer if creating a CLTensor</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <a class="code" href="namespacearm__compute_1_1utils.xhtml#a4ff2134cb88cb5a27120cddb98b59774">unmap</a>(tensor);</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; }</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::ifstream::failure &amp;e)</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; {</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Loading image file: %s&quot;</span>, e.what());</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; }</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; }</div><div class="ttc" id="_error_8h_xhtml_a05b19c75afe9c24200a62b9724734bbd"><div class="ttname"><a href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(...)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00261">Error.h:261</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1test_1_1validation_xhtml_acf5f12bbab64dd614bd8220c97fe484f"><div class="ttname"><a href="namespacearm__compute_1_1test_1_1validation.xhtml#acf5f12bbab64dd614bd8220c97fe484f">arm_compute::test::validation::data_layout</a></div><div class="ttdeci">const DataLayout data_layout</div><div class="ttdef"><b>Definition:</b> <a href="_n_e_o_n_2_im2_col_8cpp_source.xhtml#l00146">Im2Col.cpp:146</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5"><div class="ttname"><a href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::Format::U8</a></div><div class="ttdoc">1 channel, 1 U8 per channel</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda"><div class="ttname"><a href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda">arm_compute::Format::F32</a></div><div class="ttdoc">1 channel, 1 F32 per channel</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a74ce3f7420453d3446218ff3b7453e02ad770ba3ce18fa409965dfdf5e7c348e6"><div class="ttname"><a href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02ad770ba3ce18fa409965dfdf5e7c348e6">arm_compute::DataLayoutDimension::HEIGHT</a></div><div class="ttdoc">height</div></div>
<div class="ttc" id="_error_8h_xhtml_a54a6080c9f4df1f908e57a9bbb46f5da"><div class="ttname"><a href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true then an error message is printed and an exception thrown.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00337">Error.h:337</a></div></div>
<div class="ttc" id="classarm__compute_1_1utils_1_1_i_image_loader_xhtml_a25c255918a7306769a9e3886166af935"><div class="ttname"><a href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">arm_compute::utils::IImageLoader::is_open</a></div><div class="ttdeci">virtual bool is_open()=0</div><div class="ttdoc">Return true if the image file is currently open.</div></div>
<div class="ttc" id="namespacearm__compute_1_1utils_xhtml_a4ff2134cb88cb5a27120cddb98b59774"><div class="ttname"><a href="namespacearm__compute_1_1utils.xhtml#a4ff2134cb88cb5a27120cddb98b59774">arm_compute::utils::unmap</a></div><div class="ttdeci">void unmap(T &amp;tensor)</div><div class="ttdoc">Unmaps a tensor if needed.</div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8h_source.xhtml#l00217">Utils.h:217</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_aa96e81276ee4f87ab386cd05a5539a7d"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#aa96e81276ee4f87ab386cd05a5539a7d">arm_compute::Window::DimX</a></div><div class="ttdeci">static constexpr size_t DimX</div><div class="ttdoc">Alias for dimension 0 also known as X dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00043">Window.h:43</a></div></div>
<div class="ttc" id="_error_8h_xhtml_a6dc630a6ae9cc063b3924bcea8dee9d6"><div class="ttname"><a href="_error_8h.xhtml#a6dc630a6ae9cc063b3924bcea8dee9d6">ARM_COMPUTE_UNUSED</a></div><div class="ttdeci">#define ARM_COMPUTE_UNUSED(...)</div><div class="ttdoc">To avoid unused variables warnings.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00160">Error.h:160</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a74ce3f7420453d3446218ff3b7453e02af52e9c50a060add65a035429b2a22229"><div class="ttname"><a href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02af52e9c50a060add65a035429b2a22229">arm_compute::DataLayoutDimension::CHANNEL</a></div><div class="ttdoc">channel</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ad1d5cce2d9e9a5d61c243e5c989112e0a6b99f356fe3b30a2a850b5ea897c289f"><div class="ttname"><a href="namespacearm__compute.xhtml#ad1d5cce2d9e9a5d61c243e5c989112e0a6b99f356fe3b30a2a850b5ea897c289f">arm_compute::DataLayout::NCHW</a></div><div class="ttdoc">Num samples, channels, height, width.</div></div>
<div class="ttc" id="_validate_8h_xhtml_aadf5c9cff86327b96d88d04649d9715e"><div class="ttname"><a href="_validate_8h.xhtml#aadf5c9cff86327b96d88d04649d9715e">ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(t, c,...)</div><div class="ttdef"><b>Definition:</b> <a href="_validate_8h_source.xhtml#l00789">Validate.h:789</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_ad2d402364fa822b0b7775081291eeca9"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">arm_compute::Window::DimY</a></div><div class="ttdeci">static constexpr size_t DimY</div><div class="ttdoc">Alias for dimension 1 also known as Y dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00045">Window.h:45</a></div></div>
<div class="ttc" id="namespacearm__compute_1_1utils_xhtml_a9c3303817ba653b5d1e78efb88d02bcf"><div class="ttname"><a href="namespacearm__compute_1_1utils.xhtml#a9c3303817ba653b5d1e78efb88d02bcf">arm_compute::utils::map</a></div><div class="ttdeci">void map(T &amp;tensor, bool blocking)</div><div class="ttdoc">Maps a tensor if needed.</div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8h_source.xhtml#l00206">Utils.h:206</a></div></div>
<div class="ttc" id="classarm__compute_1_1_window_xhtml_a893d17b56b9abc4423ce26e9a24ac5dc"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#a893d17b56b9abc4423ce26e9a24ac5dc">arm_compute::Window::DimZ</a></div><div class="ttdeci">static constexpr size_t DimZ</div><div class="ttdoc">Alias for dimension 2 also known as Z dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00047">Window.h:47</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a74ce3f7420453d3446218ff3b7453e02a49da85b69bc6285eeee286ca49fa7195"><div class="ttname"><a href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02a49da85b69bc6285eeee286ca49fa7195">arm_compute::DataLayoutDimension::WIDTH</a></div><div class="ttdoc">width</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a5002bf7ec46d52971f9526e94172cfee"><div class="ttname"><a href="namespacearm__compute.xhtml#a5002bf7ec46d52971f9526e94172cfee">arm_compute::execute_window_loop</a></div><div class="ttdeci">void execute_window_loop(const Window &amp;w, L &amp;&amp;lambda_function, Ts &amp;&amp;... iterators)</div><div class="ttdoc">Iterate through the passed window, automatically adjusting the iterators and calling the lambda_funct...</div><div class="ttdef"><b>Definition:</b> <a href="_helpers_8inl_source.xhtml#l00122">Helpers.inl:122</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_a46e938020a3ac8c926d0590b7fe957db"><div class="ttname"><a href="namespacearm__compute.xhtml#a46e938020a3ac8c926d0590b7fe957db">arm_compute::get_data_layout_dimension_index</a></div><div class="ttdeci">size_t get_data_layout_dimension_index(const DataLayout data_layout, const DataLayoutDimension data_layout_dimension)</div><div class="ttdoc">Get the index of the given dimension.</div><div class="ttdef"><b>Definition:</b> <a href="_helpers_8inl_source.xhtml#l00326">Helpers.inl:326</a></div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ad1d5cce2d9e9a5d61c243e5c989112e0"><div class="ttname"><a href="namespacearm__compute.xhtml#ad1d5cce2d9e9a5d61c243e5c989112e0">arm_compute::DataLayout</a></div><div class="ttdeci">DataLayout</div><div class="ttdoc">[DataLayout enum definition]</div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_types_8h_source.xhtml#l00114">Types.h:114</a></div></div>
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<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00261">ARM_COMPUTE_ERROR</a>, <a class="el" href="_error_8h_source.xhtml#l00337">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="_validate_8h_source.xhtml#l00789">ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN</a>, <a class="el" href="_error_8h_source.xhtml#l00160">ARM_COMPUTE_UNUSED</a>, <a class="el" href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02af52e9c50a060add65a035429b2a22229">arm_compute::CHANNEL</a>, <a class="el" href="_n_e_o_n_2_im2_col_8cpp_source.xhtml#l00146">arm_compute::test::validation::data_layout</a>, <a class="el" href="_window_8h_source.xhtml#l00043">Window::DimX</a>, <a class="el" href="_window_8h_source.xhtml#l00045">Window::DimY</a>, <a class="el" href="_window_8h_source.xhtml#l00047">Window::DimZ</a>, <a class="el" href="_helpers_8inl_source.xhtml#l00122">arm_compute::execute_window_loop()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda">arm_compute::F32</a>, <a class="el" href="_helpers_8inl_source.xhtml#l00326">arm_compute::get_data_layout_dimension_index()</a>, <a class="el" href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02ad770ba3ce18fa409965dfdf5e7c348e6">arm_compute::HEIGHT</a>, <a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">IImageLoader::is_open()</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00206">arm_compute::utils::map()</a>, <a class="el" href="namespacearm__compute.xhtml#ad1d5cce2d9e9a5d61c243e5c989112e0a6b99f356fe3b30a2a850b5ea897c289f">arm_compute::NCHW</a>, <a class="el" href="_helpers_8inl_source.xhtml#l00184">Iterator::ptr()</a>, <a class="el" href="_window_8inl_source.xhtml#l00048">Window::set()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::U8</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00217">arm_compute::utils::unmap()</a>, and <a class="el" href="namespacearm__compute.xhtml#a74ce3f7420453d3446218ff3b7453e02a49da85b69bc6285eeee286ca49fa7195">arm_compute::WIDTH</a>.</p>
<p class="reference">Referenced by <a class="el" href="_graph_utils_8cpp_source.xhtml#l00281">ValidationInputAccessor::access_tensor()</a>.</p>
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<p>Return the height of the currently open image file. </p>
<p class="definition">Definition at line <a class="el" href="_image_loader_8h_source.xhtml#l00141">141</a> of file <a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">return</span> _height;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; }</div></div><!-- fragment -->
<p class="reference">Referenced by <a class="el" href="_graph_utils_8cpp_source.xhtml#l00281">ValidationInputAccessor::access_tensor()</a>, and <a class="el" href="_image_loader_8h_source.xhtml#l00446">JPEGLoader::open()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a283b961e6ca7b117b106c8710c7cfe81">&#9670;&nbsp;</a></span>init_image()</h2>
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<td class="memname">void init_image </td>
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<td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58">Format</a>&#160;</td>
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<p>Initialise an image's metadata with the dimensions of the image file currently open. </p>
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<tr><td class="paramdir">[out]</td><td class="paramname">image</td><td><a class="el" href="struct_image.xhtml" title="Structure to hold Image information.">Image</a> to initialise </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">format</td><td>Format to use for the image (Must be RGB888 or U8) </td></tr>
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<p class="definition">Definition at line <a class="el" href="_image_loader_8h_source.xhtml#l00160">160</a> of file <a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; {</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(!<a class="code" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">is_open</a>());</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(format != <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">Format::RGB888</a> &amp;&amp; format != <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">Format::U8</a>);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="comment">// Use the size of the input image</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; TensorInfo image_info(_width, _height, format);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; image.allocator()-&gt;init(image_info);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div><div class="ttc" id="namespacearm__compute_xhtml_ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5"><div class="ttname"><a href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::Format::U8</a></div><div class="ttdoc">1 channel, 1 U8 per channel</div></div>
<div class="ttc" id="_error_8h_xhtml_a54a6080c9f4df1f908e57a9bbb46f5da"><div class="ttname"><a href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON(cond)</div><div class="ttdoc">If the condition is true then an error message is printed and an exception thrown.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00337">Error.h:337</a></div></div>
<div class="ttc" id="classarm__compute_1_1utils_1_1_i_image_loader_xhtml_a25c255918a7306769a9e3886166af935"><div class="ttname"><a href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">arm_compute::utils::IImageLoader::is_open</a></div><div class="ttdeci">virtual bool is_open()=0</div><div class="ttdoc">Return true if the image file is currently open.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0"><div class="ttname"><a href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::Format::RGB888</a></div><div class="ttdoc">3 channels, 1 U8 per channel</div></div>
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<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00337">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="classarm__compute_1_1utils_1_1_i_image_loader.xhtml#a25c255918a7306769a9e3886166af935">IImageLoader::is_open()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::RGB888</a>, and <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::U8</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a25c255918a7306769a9e3886166af935">&#9670;&nbsp;</a></span>is_open()</h2>
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<p>Return true if the image file is currently open. </p>
<p>Implemented in <a class="el" href="classarm__compute_1_1utils_1_1_j_p_e_g_loader.xhtml#ab1d89f579133c9b6779d43f4a1489874">JPEGLoader</a>, and <a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#ab1d89f579133c9b6779d43f4a1489874">PPMLoader</a>.</p>
<p class="reference">Referenced by <a class="el" href="_image_loader_8h_source.xhtml#l00176">IImageLoader::fill_image()</a>, <a class="el" href="_image_loader_8h_source.xhtml#l00256">IImageLoader::fill_planar_tensor()</a>, and <a class="el" href="_image_loader_8h_source.xhtml#l00160">IImageLoader::init_image()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab646a9b1297198d7c9e2e809c29b7391">&#9670;&nbsp;</a></span>open()</h2>
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<td class="memname">virtual void open </td>
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<p>Open an image file and reads its metadata (Width, height) </p>
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<p>Implemented in <a class="el" href="classarm__compute_1_1utils_1_1_j_p_e_g_loader.xhtml#ab23b23a466d459ecbad7d046bb085324">JPEGLoader</a>, and <a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#ab23b23a466d459ecbad7d046bb085324">PPMLoader</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7f0f3e5dd09a150b2cc221c01804d1a7">&#9670;&nbsp;</a></span>width()</h2>
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<td class="memname">unsigned int width </td>
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<p>Return the width of the currently open image file. </p>
<p class="definition">Definition at line <a class="el" href="_image_loader_8h_source.xhtml#l00136">136</a> of file <a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a>.</p>
<div class="fragment"><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; {</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="keywordflow">return</span> _width;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; }</div></div><!-- fragment -->
<p class="reference">Referenced by <a class="el" href="_graph_utils_8cpp_source.xhtml#l00281">ValidationInputAccessor::access_tensor()</a>, and <a class="el" href="_image_loader_8h_source.xhtml#l00446">JPEGLoader::open()</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>utils/<a class="el" href="_image_loader_8h_source.xhtml">ImageLoader.h</a></li>
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