ordtype">void</span> read_image(any_image&lt;Images&gt;&amp; im) {
<a name="l00087"></a>00087         png_uint_32 width, height;
<a name="l00088"></a>00088         <span class="keywordtype">int</span> bit_depth, color_type, interlace_type;
<a name="l00089"></a>00089         png_get_IHDR(_png_ptr, _info_ptr,
<a name="l00090"></a>00090                      &amp;width, &amp;height,&amp;bit_depth,&amp;color_type,&amp;interlace_type,
<a name="l00091"></a>00091                      int_p_NULL, int_p_NULL);
<a nam