<a name="l00069"></a>00069     <span class="keywordtype">bool</span> apply() {
<a name="l00070"></a>00070         <span class="keywordflow">return</span> png_read_support&lt;typename Image::view_t&gt;::bit_depth==_bit_depth &amp;&amp;
<a name="l00071"></a>00071             png_read_support&lt;typename Image::view_t&gt;::color_type==_color_type;
<a name="l00072"></a>00072     }
<a name="l00073"></a>00073 };
<a name="l00074"></a>00074 
<a name="l00075"></a>00075 <span class="keyword">struct </span>png_read_is