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 113 </div>
 114
 115 <div class="header">
 116   <div class="summary">
 117 <a href="#pub-methods">Public Member Functions</a>  </div>
 118   <div class="headertitle">
 119 <div class="title">PPMLoader Class Reference</div>  </div>
 120 </div><!--header-->
 121 <div class="contents">
 122
 123 <p>Class to load the content of a PPM file into an <a class="el" href="struct_image.xhtml" title="Structure to hold Image information. ">Image</a>.
 124  <a href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#details">More...</a></p>
 125
 126 <p><code>#include &lt;<a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a>&gt;</code></p>
 127 <table class="memberdecls">
 128 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 129 Public Member Functions</h2></td></tr>
 130 <tr class="memitem:a49afa04c8a5fd9ead48e07440b37294c"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#a49afa04c8a5fd9ead48e07440b37294c">PPMLoader</a> ()</td></tr>
 131 <tr class="separator:a49afa04c8a5fd9ead48e07440b37294c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 132 <tr class="memitem:a36e58f3e64f3851ebac7a9556b4704ed"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#a36e58f3e64f3851ebac7a9556b4704ed">open</a> (const std::string &amp;ppm_filename)</td></tr>
 133 <tr class="memdesc:a36e58f3e64f3851ebac7a9556b4704ed"><td class="mdescLeft">&#160;</td><td class="mdescRight">Open a PPM file and reads its metadata (Width, height)  <a href="#a36e58f3e64f3851ebac7a9556b4704ed">More...</a><br/></td></tr>
 134 <tr class="separator:a36e58f3e64f3851ebac7a9556b4704ed"><td class="memSeparator" colspan="2">&#160;</td></tr>
 135 <tr class="memitem:a2f57f54d8c03b615bb31eee091d8a88a"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">is_open</a> ()</td></tr>
 136 <tr class="memdesc:a2f57f54d8c03b615bb31eee091d8a88a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return true if a PPM file is currently open.  <a href="#a2f57f54d8c03b615bb31eee091d8a88a">More...</a><br/></td></tr>
 137 <tr class="separator:a2f57f54d8c03b615bb31eee091d8a88a"><td class="memSeparator" colspan="2">&#160;</td></tr>
 138 <tr class="memitem:a69f2a0e263d4f77d1e166de9cd2746f7"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
 139 <tr class="memitem:a69f2a0e263d4f77d1e166de9cd2746f7"><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_p_p_m_loader.xhtml#a69f2a0e263d4f77d1e166de9cd2746f7">init_image</a> (T &amp;image, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58">arm_compute::Format</a> format)</td></tr>
 140 <tr class="memdesc:a69f2a0e263d4f77d1e166de9cd2746f7"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialise an image's metadata with the dimensions of the PPM file currently open.  <a href="#a69f2a0e263d4f77d1e166de9cd2746f7">More...</a><br/></td></tr>
 141 <tr class="separator:a69f2a0e263d4f77d1e166de9cd2746f7"><td class="memSeparator" colspan="2">&#160;</td></tr>
 142 <tr class="memitem:a1672610b872bef30d0dc2333a0ffc402"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
 143 <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_p_p_m_loader.xhtml#a1672610b872bef30d0dc2333a0ffc402">fill_image</a> (T &amp;image)</td></tr>
 144 <tr class="memdesc:a1672610b872bef30d0dc2333a0ffc402"><td class="mdescLeft">&#160;</td><td class="mdescRight">Fill an image with the content of the currently open PPM file.  <a href="#a1672610b872bef30d0dc2333a0ffc402">More...</a><br/></td></tr>
 145 <tr class="separator:a1672610b872bef30d0dc2333a0ffc402"><td class="memSeparator" colspan="2">&#160;</td></tr>
 146 </table>
 147 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 148 <div class="textblock"><p>Class to load the content of a PPM file into an <a class="el" href="struct_image.xhtml" title="Structure to hold Image information. ">Image</a>. </p>
 149
 150 <p>Definition at line <a class="el" href="utils_2_utils_8h_source.xhtml#l00128">128</a> of file <a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a>.</p>
 151 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 152 <a class="anchor" id="a49afa04c8a5fd9ead48e07440b37294c"></a>
 153 <div class="memitem">
 154 <div class="memproto">
 155 <table class="mlabels">
 156   <tr>
 157   <td class="mlabels-left">
 158       <table class="memname">
 159         <tr>
 160           <td class="memname"><a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml">PPMLoader</a> </td>
 161           <td>(</td>
 162           <td class="paramname"></td><td>)</td>
 163           <td></td>
 164         </tr>
 165       </table>
 166   </td>
 167   <td class="mlabels-right">
 168 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 169   </tr>
 170 </table>
 171 </div><div class="memdoc">
 172
 173 <p>Definition at line <a class="el" href="utils_2_utils_8h_source.xhtml#l00131">131</a> of file <a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a>.</p>
 174 <div class="fragment"><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        : _fs(), _width(0), _height(0)</div>
 175 <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    {</div>
 176 <div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    }</div>
 177 </div><!-- fragment -->
 178 </div>
 179 </div>
 180 <h2 class="groupheader">Member Function Documentation</h2>
 181 <a class="anchor" id="a1672610b872bef30d0dc2333a0ffc402"></a>
 182 <div class="memitem">
 183 <div class="memproto">
 184 <table class="mlabels">
 185   <tr>
 186   <td class="mlabels-left">
 187       <table class="memname">
 188         <tr>
 189           <td class="memname">void fill_image </td>
 190           <td>(</td>
 191           <td class="paramtype">T &amp;&#160;</td>
 192           <td class="paramname"><em>image</em></td><td>)</td>
 193           <td></td>
 194         </tr>
 195       </table>
 196   </td>
 197   <td class="mlabels-right">
 198 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 199   </tr>
 200 </table>
 201 </div><div class="memdoc">
 202
 203 <p>Fill an image with the content of the currently open PPM file. </p>
 204 <dl class="section note"><dt>Note</dt><dd>If the image is a CLImage, the function maps and unmaps the image</dd></dl>
 205 <dl class="params"><dt>Parameters</dt><dd>
 206   <table class="params">
 207     <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 PPM). </td></tr>
 208   </table>
 209   </dd>
 210 </dl>
 211
 212 <p>Definition at line <a class="el" href="utils_2_utils_8h_source.xhtml#l00187">187</a> of file <a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a>.</p>
 213
 214 <p>References <a class="el" href="_error_8h_source.xhtml#l00031">ARM_COMPUTE_ERROR</a>, <a class="el" href="_error_8h_source.xhtml#l00124">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="_validate_8h_source.xhtml#l00375">ARM_COMPUTE_ERROR_ON_FORMAT_NOT_IN</a>, <a class="el" href="_error_8h_source.xhtml#l00115">ARM_COMPUTE_ERROR_ON_MSG</a>, <a class="el" href="_error_8h_source.xhtml#l00049">ARM_COMPUTE_UNUSED</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#l00127">arm_compute::execute_window_loop()</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00159">PPMLoader::is_open()</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00089">arm_compute::utils::map()</a>, <a class="el" href="_helpers_8inl_source.xhtml#l00183">Iterator::ptr()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::RGB888</a>, <a class="el" href="_window_8inl_source.xhtml#l00040">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#l00100">arm_compute::utils::unmap()</a>.</p>
 215
 216 <p>Referenced by <a class="el" href="cl__convolution_8cpp_source.xhtml#l00056">main_cl_convolution()</a>, <a class="el" href="cl__events_8cpp_source.xhtml#l00036">main_cl_events()</a>, <a class="el" href="neon__convolution_8cpp_source.xhtml#l00052">main_neon_convolution()</a>, <a class="el" href="neon__scale_8cpp_source.xhtml#l00032">main_neon_scale()</a>, and <a class="el" href="neoncl__scale__median__gaussian_8cpp_source.xhtml#l00042">main_neoncl_scale_median_gaussian()</a>.</p>
 217 <div class="fragment"><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    {</div>
 218 <div class="line"><a name="l00189"></a><span class="lineno">  189</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_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">is_open</a>());</div>
 219 <div class="line"><a name="l00190"></a><span class="lineno">  190</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>
 220 <div class="line"><a name="l00191"></a><span class="lineno">  191</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">arm_compute::Format::U8</a>, <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::Format::RGB888</a>);</div>
 221 <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        <span class="keywordflow">try</span></div>
 222 <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        {</div>
 223 <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;            <span class="comment">// Map buffer if creating a CLTensor</span></div>
 224 <div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            <a class="code" href="namespacearm__compute_1_1utils.xhtml#a9c3303817ba653b5d1e78efb88d02bcf">map</a>(image, <span class="keyword">true</span>);</div>
 225 <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;</div>
 226 <div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            <span class="comment">// Check if the file is large enough to fill the image</span></div>
 227 <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">size_t</span> current_position = _fs.tellg();</div>
 228 <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            _fs.seekg(0, std::ios_base::end);</div>
 229 <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">size_t</span> end_position = _fs.tellg();</div>
 230 <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;            _fs.seekg(current_position, std::ios_base::beg);</div>
 231 <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div>
 232 <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;            <a class="code" href="_error_8h.xhtml#a5bbdcf574d3f5e412fa6a1117911e67b">ARM_COMPUTE_ERROR_ON_MSG</a>((end_position - current_position) &lt; image.info()-&gt;tensor_shape().total_size() * image.info()-&gt;element_size(),</div>
 233 <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;                                     <span class="stringliteral">&quot;Not enough data in file&quot;</span>);</div>
 234 <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;            <a class="code" href="_error_8h.xhtml#a4103adbb45806b2f2002d44b91d0d206">ARM_COMPUTE_UNUSED</a>(end_position);</div>
 235 <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;</div>
 236 <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;            <span class="keywordflow">switch</span>(image.info()-&gt;format())</div>
 237 <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;            {</div>
 238 <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;                <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::Format::U8</a>:</div>
 239 <div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;                {</div>
 240 <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;                    <span class="comment">// We need to convert the data from RGB to grayscale:</span></div>
 241 <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;                    <span class="comment">// Iterate through every pixel of the image</span></div>
 242 <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                    <a class="code" href="classarm__compute_1_1_window.xhtml">arm_compute::Window</a> window;</div>
 243 <div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                    window.<a class="code" href="classarm__compute_1_1_window.xhtml#acd3d2bba51cb84d34dd7656ad2375a6e">set</a>(<a class="code" href="classarm__compute_1_1_window.xhtml#aa96e81276ee4f87ab386cd05a5539a7d">arm_compute::Window::DimX</a>, <a class="code" href="classarm__compute_1_1_window_1_1_dimension.xhtml">arm_compute::Window::Dimension</a>(0, _width, 1));</div>
 244 <div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;                    window.<a class="code" href="classarm__compute_1_1_window.xhtml#acd3d2bba51cb84d34dd7656ad2375a6e">set</a>(<a class="code" href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">arm_compute::Window::DimY</a>, <a class="code" href="classarm__compute_1_1_window_1_1_dimension.xhtml">arm_compute::Window::Dimension</a>(0, _height, 1));</div>
 245 <div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;</div>
 246 <div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                    <a class="code" href="classarm__compute_1_1_iterator.xhtml">arm_compute::Iterator</a> out(&amp;image, window);</div>
 247 <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;</div>
 248 <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> red   = 0;</div>
 249 <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;                    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> green = 0;</div>
 250 <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> blue  = 0;</div>
 251 <div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div>
 252 <div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                    <a class="code" href="namespacearm__compute.xhtml#a6c0dcc38187027dcb89cd9724bc5a823">arm_compute::execute_window_loop</a>(window, [&amp;](<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_coordinates.xhtml">arm_compute::Coordinates</a> &amp; <span class="keywordtype">id</span>)</div>
 253 <div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;                    {</div>
 254 <div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;                        red   = _fs.get();</div>
 255 <div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;                        green = _fs.get();</div>
 256 <div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;                        blue  = _fs.get();</div>
 257 <div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;</div>
 258 <div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                        *out.ptr() = 0.2126f * red + 0.7152f * green + 0.0722f * blue;</div>
 259 <div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;                    },</div>
 260 <div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;                    out);</div>
 261 <div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;</div>
 262 <div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;                    <span class="keywordflow">break</span>;</div>
 263 <div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;                }</div>
 264 <div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::Format::RGB888</a>:</div>
 265 <div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;                {</div>
 266 <div class="line"><a name="l00237"></a><span class="lineno">  237</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>
 267 <div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;                    <span class="comment">// Create a vertical window to iterate through the image&#39;s rows:</span></div>
 268 <div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;                    <a class="code" href="classarm__compute_1_1_window.xhtml">arm_compute::Window</a> window;</div>
 269 <div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;                    window.<a class="code" href="classarm__compute_1_1_window.xhtml#acd3d2bba51cb84d34dd7656ad2375a6e">set</a>(<a class="code" href="classarm__compute_1_1_window.xhtml#ad2d402364fa822b0b7775081291eeca9">arm_compute::Window::DimY</a>, <a class="code" href="classarm__compute_1_1_window_1_1_dimension.xhtml">arm_compute::Window::Dimension</a>(0, _height, 1));</div>
 270 <div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;</div>
 271 <div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;                    <a class="code" href="classarm__compute_1_1_iterator.xhtml">arm_compute::Iterator</a> out(&amp;image, window);</div>
 272 <div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;</div>
 273 <div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;                    <a class="code" href="namespacearm__compute.xhtml#a6c0dcc38187027dcb89cd9724bc5a823">arm_compute::execute_window_loop</a>(window, [&amp;](<span class="keyword">const</span> <a class="code" href="classarm__compute_1_1_coordinates.xhtml">arm_compute::Coordinates</a> &amp; <span class="keywordtype">id</span>)</div>
 274 <div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;                    {</div>
 275 <div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;                        <span class="comment">// Copy one row from the input file to the current row of the image:</span></div>
 276 <div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;                        _fs.read(reinterpret_cast&lt;std::fstream::char_type *&gt;(out.ptr()), _width * image.info()-&gt;element_size());</div>
 277 <div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;                    },</div>
 278 <div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;                    out);</div>
 279 <div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div>
 280 <div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;                    <span class="keywordflow">break</span>;</div>
 281 <div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;                }</div>
 282 <div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;                <span class="keywordflow">default</span>:</div>
 283 <div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;                    <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Unsupported format&quot;</span>);</div>
 284 <div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;            }</div>
 285 <div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div>
 286 <div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            <span class="comment">// Unmap buffer if creating a CLTensor</span></div>
 287 <div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;            <a class="code" href="namespacearm__compute_1_1utils.xhtml#a4ff2134cb88cb5a27120cddb98b59774">unmap</a>(image);</div>
 288 <div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        }</div>
 289 <div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;        <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::ifstream::failure &amp;e)</div>
 290 <div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        {</div>
 291 <div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;            <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Loading PPM file: %s&quot;</span>, e.what());</div>
 292 <div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;        }</div>
 293 <div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    }</div>
 294 <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#l00031">Error.h:31</a></div></div>
 295 <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">Unknown image format. </div></div>
 296 <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#l00375">Validate.h:375</a></div></div>
 297 <div class="ttc" id="_error_8h_xhtml_a4103adbb45806b2f2002d44b91d0d206"><div class="ttname"><a href="_error_8h.xhtml#a4103adbb45806b2f2002d44b91d0d206">ARM_COMPUTE_UNUSED</a></div><div class="ttdeci">#define ARM_COMPUTE_UNUSED(var)</div><div class="ttdoc">To avoid unused variables warnings. </div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00049">Error.h:49</a></div></div>
 298 <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#l00124">Error.h:124</a></div></div>
 299 <div class="ttc" id="classarm__compute_1_1_window_1_1_dimension_xhtml"><div class="ttname"><a href="classarm__compute_1_1_window_1_1_dimension.xhtml">arm_compute::Window::Dimension</a></div><div class="ttdoc">Describe one of the image&#39;s dimensions with a start, end and step. </div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00068">Window.h:68</a></div></div>
 300 <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#l00100">Utils.h:100</a></div></div>
 301 <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">2 channel, 1 U8 per channel </div></div>
 302 <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>
 303 <div class="ttc" id="namespacearm__compute_xhtml_a6c0dcc38187027dcb89cd9724bc5a823"><div class="ttname"><a href="namespacearm__compute.xhtml#a6c0dcc38187027dcb89cd9724bc5a823">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#l00127">Helpers.inl:127</a></div></div>
 304 <div class="ttc" id="classarm__compute_1_1_coordinates_xhtml"><div class="ttname"><a href="classarm__compute_1_1_coordinates.xhtml">arm_compute::Coordinates</a></div><div class="ttdoc">Coordinates of an item. </div><div class="ttdef"><b>Definition:</b> <a href="_coordinates_8h_source.xhtml#l00037">Coordinates.h:37</a></div></div>
 305 <div class="ttc" id="classarm__compute_1_1utils_1_1_p_p_m_loader_xhtml_a2f57f54d8c03b615bb31eee091d8a88a"><div class="ttname"><a href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">arm_compute::utils::PPMLoader::is_open</a></div><div class="ttdeci">bool is_open()</div><div class="ttdoc">Return true if a PPM file is currently open. </div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8h_source.xhtml#l00159">Utils.h:159</a></div></div>
 306 <div class="ttc" id="classarm__compute_1_1_window_xhtml_acd3d2bba51cb84d34dd7656ad2375a6e"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml#acd3d2bba51cb84d34dd7656ad2375a6e">arm_compute::Window::set</a></div><div class="ttdeci">void set(size_t dimension, const Dimension &amp;dim)</div><div class="ttdoc">Set the values of a given dimension. </div><div class="ttdef"><b>Definition:</b> <a href="_window_8inl_source.xhtml#l00040">Window.inl:40</a></div></div>
 307 <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>
 308 <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#l00089">Utils.h:89</a></div></div>
 309 <div class="ttc" id="classarm__compute_1_1_iterator_xhtml"><div class="ttname"><a href="classarm__compute_1_1_iterator.xhtml">arm_compute::Iterator</a></div><div class="ttdoc">Iterator updated by execute_window_loop for each window element. </div><div class="ttdef"><b>Definition:</b> <a href="arm__compute_2core_2_helpers_8h_source.xhtml#l00259">Helpers.h:259</a></div></div>
 310 <div class="ttc" id="classarm__compute_1_1_window_xhtml"><div class="ttname"><a href="classarm__compute_1_1_window.xhtml">arm_compute::Window</a></div><div class="ttdoc">Describe a multidimensional execution window. </div><div class="ttdef"><b>Definition:</b> <a href="_window_8h_source.xhtml#l00039">Window.h:39</a></div></div>
 311 <div class="ttc" id="_error_8h_xhtml_a5bbdcf574d3f5e412fa6a1117911e67b"><div class="ttname"><a href="_error_8h.xhtml#a5bbdcf574d3f5e412fa6a1117911e67b">ARM_COMPUTE_ERROR_ON_MSG</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON_MSG(cond,...)</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00115">Error.h:115</a></div></div>
 312 </div><!-- fragment -->
 313 </div>
 314 </div>
 315 <a class="anchor" id="a69f2a0e263d4f77d1e166de9cd2746f7"></a>
 316 <div class="memitem">
 317 <div class="memproto">
 318 <table class="mlabels">
 319   <tr>
 320   <td class="mlabels-left">
 321       <table class="memname">
 322         <tr>
 323           <td class="memname">void init_image </td>
 324           <td>(</td>
 325           <td class="paramtype">T &amp;&#160;</td>
 326           <td class="paramname"><em>image</em>, </td>
 327         </tr>
 328         <tr>
 329           <td class="paramkey"></td>
 330           <td></td>
 331           <td class="paramtype"><a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58">arm_compute::Format</a>&#160;</td>
 332           <td class="paramname"><em>format</em>&#160;</td>
 333         </tr>
 334         <tr>
 335           <td></td>
 336           <td>)</td>
 337           <td></td><td></td>
 338         </tr>
 339       </table>
 340   </td>
 341   <td class="mlabels-right">
 342 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 343   </tr>
 344 </table>
 345 </div><div class="memdoc">
 346
 347 <p>Initialise an image's metadata with the dimensions of the PPM file currently open. </p>
 348 <dl class="params"><dt>Parameters</dt><dd>
 349   <table class="params">
 350     <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>
 351     <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>
 352   </table>
 353   </dd>
 354 </dl>
 355
 356 <p>Definition at line <a class="el" href="utils_2_utils_8h_source.xhtml#l00170">170</a> of file <a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a>.</p>
 357
 358 <p>References <a class="el" href="_error_8h_source.xhtml#l00124">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00159">PPMLoader::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>
 359
 360 <p>Referenced by <a class="el" href="cl__convolution_8cpp_source.xhtml#l00056">main_cl_convolution()</a>, <a class="el" href="cl__events_8cpp_source.xhtml#l00036">main_cl_events()</a>, <a class="el" href="neon__convolution_8cpp_source.xhtml#l00052">main_neon_convolution()</a>, <a class="el" href="neon__scale_8cpp_source.xhtml#l00032">main_neon_scale()</a>, and <a class="el" href="neoncl__scale__median__gaussian_8cpp_source.xhtml#l00042">main_neoncl_scale_median_gaussian()</a>.</p>
 361 <div class="fragment"><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    {</div>
 362 <div class="line"><a name="l00172"></a><span class="lineno">  172</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_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">is_open</a>());</div>
 363 <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        <a class="code" href="_error_8h.xhtml#a54a6080c9f4df1f908e57a9bbb46f5da">ARM_COMPUTE_ERROR_ON</a>(format != <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a30ff380a3be74628024063a99fba10f0">arm_compute::Format::RGB888</a> &amp;&amp; format != <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a6669348b484e3008dca2bfa8e85e40b5">arm_compute::Format::U8</a>);</div>
 364 <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div>
 365 <div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        <span class="comment">// Use the size of the input PPM image</span></div>
 366 <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <a class="code" href="classarm__compute_1_1_tensor_info.xhtml">arm_compute::TensorInfo</a> image_info(_width, _height, format);</div>
 367 <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        image.allocator()-&gt;init(image_info);</div>
 368 <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    }</div>
 369 <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">Unknown image format. </div></div>
 370 <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#l00124">Error.h:124</a></div></div>
 371 <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">2 channel, 1 U8 per channel </div></div>
 372 <div class="ttc" id="classarm__compute_1_1utils_1_1_p_p_m_loader_xhtml_a2f57f54d8c03b615bb31eee091d8a88a"><div class="ttname"><a href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">arm_compute::utils::PPMLoader::is_open</a></div><div class="ttdeci">bool is_open()</div><div class="ttdoc">Return true if a PPM file is currently open. </div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8h_source.xhtml#l00159">Utils.h:159</a></div></div>
 373 <div class="ttc" id="classarm__compute_1_1_tensor_info_xhtml"><div class="ttname"><a href="classarm__compute_1_1_tensor_info.xhtml">arm_compute::TensorInfo</a></div><div class="ttdoc">Store the tensor&#39;s metadata. </div><div class="ttdef"><b>Definition:</b> <a href="_tensor_info_8h_source.xhtml#l00042">TensorInfo.h:42</a></div></div>
 374 </div><!-- fragment -->
 375 </div>
 376 </div>
 377 <a class="anchor" id="a2f57f54d8c03b615bb31eee091d8a88a"></a>
 378 <div class="memitem">
 379 <div class="memproto">
 380 <table class="mlabels">
 381   <tr>
 382   <td class="mlabels-left">
 383       <table class="memname">
 384         <tr>
 385           <td class="memname">bool is_open </td>
 386           <td>(</td>
 387           <td class="paramname"></td><td>)</td>
 388           <td></td>
 389         </tr>
 390       </table>
 391   </td>
 392   <td class="mlabels-right">
 393 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 394   </tr>
 395 </table>
 396 </div><div class="memdoc">
 397
 398 <p>Return true if a PPM file is currently open. </p>
 399
 400 <p>Definition at line <a class="el" href="utils_2_utils_8h_source.xhtml#l00159">159</a> of file <a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a>.</p>
 401
 402 <p>Referenced by <a class="el" href="utils_2_utils_8h_source.xhtml#l00187">PPMLoader::fill_image()</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00170">PPMLoader::init_image()</a>, <a class="el" href="cl__convolution_8cpp_source.xhtml#l00056">main_cl_convolution()</a>, <a class="el" href="cl__events_8cpp_source.xhtml#l00036">main_cl_events()</a>, <a class="el" href="neon__convolution_8cpp_source.xhtml#l00052">main_neon_convolution()</a>, <a class="el" href="neon__scale_8cpp_source.xhtml#l00032">main_neon_scale()</a>, <a class="el" href="neoncl__scale__median__gaussian_8cpp_source.xhtml#l00042">main_neoncl_scale_median_gaussian()</a>, and <a class="el" href="utils_2_utils_8h_source.xhtml#l00139">PPMLoader::open()</a>.</p>
 403 <div class="fragment"><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    {</div>
 404 <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        <span class="keywordflow">return</span> _fs.is_open();</div>
 405 <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    }</div>
 406 </div><!-- fragment -->
 407 </div>
 408 </div>
 409 <a class="anchor" id="a36e58f3e64f3851ebac7a9556b4704ed"></a>
 410 <div class="memitem">
 411 <div class="memproto">
 412 <table class="mlabels">
 413   <tr>
 414   <td class="mlabels-left">
 415       <table class="memname">
 416         <tr>
 417           <td class="memname">void open </td>
 418           <td>(</td>
 419           <td class="paramtype">const std::string &amp;&#160;</td>
 420           <td class="paramname"><em>ppm_filename</em></td><td>)</td>
 421           <td></td>
 422         </tr>
 423       </table>
 424   </td>
 425   <td class="mlabels-right">
 426 <span class="mlabels"><span class="mlabel">inline</span></span>  </td>
 427   </tr>
 428 </table>
 429 </div><div class="memdoc">
 430
 431 <p>Open a PPM file and reads its metadata (Width, height) </p>
 432 <dl class="params"><dt>Parameters</dt><dd>
 433   <table class="params">
 434     <tr><td class="paramdir">[in]</td><td class="paramname">ppm_filename</td><td>File to open </td></tr>
 435   </table>
 436   </dd>
 437 </dl>
 438
 439 <p>Definition at line <a class="el" href="utils_2_utils_8h_source.xhtml#l00139">139</a> of file <a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a>.</p>
 440
 441 <p>References <a class="el" href="_error_8h_source.xhtml#l00031">ARM_COMPUTE_ERROR</a>, <a class="el" href="_error_8h_source.xhtml#l00124">ARM_COMPUTE_ERROR_ON</a>, <a class="el" href="_error_8h_source.xhtml#l00115">ARM_COMPUTE_ERROR_ON_MSG</a>, <a class="el" href="utils_2_utils_8h_source.xhtml#l00159">PPMLoader::is_open()</a>, and <a class="el" href="utils_2_utils_8cpp_source.xhtml#l00140">arm_compute::utils::parse_ppm_header()</a>.</p>
 442
 443 <p>Referenced by <a class="el" href="cl__convolution_8cpp_source.xhtml#l00056">main_cl_convolution()</a>, <a class="el" href="cl__events_8cpp_source.xhtml#l00036">main_cl_events()</a>, <a class="el" href="neon__convolution_8cpp_source.xhtml#l00052">main_neon_convolution()</a>, <a class="el" href="neon__scale_8cpp_source.xhtml#l00032">main_neon_scale()</a>, and <a class="el" href="neoncl__scale__median__gaussian_8cpp_source.xhtml#l00042">main_neoncl_scale_median_gaussian()</a>.</p>
 444 <div class="fragment"><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    {</div>
 445 <div class="line"><a name="l00141"></a><span class="lineno">  141</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_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">is_open</a>());</div>
 446 <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="keywordflow">try</span></div>
 447 <div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        {</div>
 448 <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            _fs.exceptions(std::ifstream::failbit | std::ifstream::badbit);</div>
 449 <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            _fs.open(ppm_filename, std::ios::in | std::ios::binary);</div>
 450 <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;</div>
 451 <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> max_val = 0;</div>
 452 <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;            std::tie(_width, _height, max_val) = <a class="code" href="namespacearm__compute_1_1utils.xhtml#a3aa8f5f1b94f88fdf5b43a53e29379cf">parse_ppm_header</a>(_fs);</div>
 453 <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div>
 454 <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            <a class="code" href="_error_8h.xhtml#a5bbdcf574d3f5e412fa6a1117911e67b">ARM_COMPUTE_ERROR_ON_MSG</a>(max_val &gt;= 256, <span class="stringliteral">&quot;2 bytes per colour channel not supported in file %s&quot;</span>, ppm_filename.c_str());</div>
 455 <div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        }</div>
 456 <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::ifstream::failure &amp;e)</div>
 457 <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        {</div>
 458 <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;            <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Accessing %s: %s&quot;</span>, ppm_filename.c_str(), e.what());</div>
 459 <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        }</div>
 460 <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    }</div>
 461 <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#l00031">Error.h:31</a></div></div>
 462 <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#l00124">Error.h:124</a></div></div>
 463 <div class="ttc" id="classarm__compute_1_1utils_1_1_p_p_m_loader_xhtml_a2f57f54d8c03b615bb31eee091d8a88a"><div class="ttname"><a href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml#a2f57f54d8c03b615bb31eee091d8a88a">arm_compute::utils::PPMLoader::is_open</a></div><div class="ttdeci">bool is_open()</div><div class="ttdoc">Return true if a PPM file is currently open. </div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8h_source.xhtml#l00159">Utils.h:159</a></div></div>
 464 <div class="ttc" id="namespacearm__compute_1_1utils_xhtml_a3aa8f5f1b94f88fdf5b43a53e29379cf"><div class="ttname"><a href="namespacearm__compute_1_1utils.xhtml#a3aa8f5f1b94f88fdf5b43a53e29379cf">arm_compute::utils::parse_ppm_header</a></div><div class="ttdeci">std::tuple&lt; unsigned int, unsigned int, int &gt; parse_ppm_header(std::ifstream &amp;fs)</div><div class="ttdoc">Parse the ppm header from an input file stream. </div><div class="ttdef"><b>Definition:</b> <a href="utils_2_utils_8cpp_source.xhtml#l00140">Utils.cpp:140</a></div></div>
 465 <div class="ttc" id="_error_8h_xhtml_a5bbdcf574d3f5e412fa6a1117911e67b"><div class="ttname"><a href="_error_8h.xhtml#a5bbdcf574d3f5e412fa6a1117911e67b">ARM_COMPUTE_ERROR_ON_MSG</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR_ON_MSG(cond,...)</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00115">Error.h:115</a></div></div>
 466 </div><!-- fragment -->
 467 </div>
 468 </div>
 469 <hr/>The documentation for this class was generated from the following file:<ul>
 470 <li>utils/<a class="el" href="utils_2_utils_8h_source.xhtml">Utils.h</a></li>
 471 </ul>
 472 </div><!-- contents -->
 473 </div><!-- doc-content -->
 474 <!-- start footer part -->
 475 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
 476   <ul>
 477     <li class="navelem"><a class="el" href="namespacearm__compute.xhtml">arm_compute</a></li><li class="navelem"><a class="el" href="namespacearm__compute_1_1utils.xhtml">utils</a></li><li class="navelem"><a class="el" href="classarm__compute_1_1utils_1_1_p_p_m_loader.xhtml">PPMLoader</a></li>
 478     <li class="footer">Generated on Thu Sep 28 2017 14:38:00 for Compute Library by
 479     <a href="http://www.doxygen.org/index.html">
 480     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li>
 481   </ul>
 482 </div>
 483 </body>
 484 </html>