span></div>
</div><!-- fragment --><p >For additional details on color manipulations, look directly into the color classes definitions in <a class="el" href="_color_8h.html">color.h</a>.</p>
<h2><a class="anchor" id="autotoc_md3"></a>
Blending and opacity parameter.</h2>
<p >Color types <a class="el" href="structtgx_1_1_r_g_b32.html">tgx::RGB32</a> and <a class="el" href="structtgx_1_1_r_g_b64.html">tgx::RGB64</a> have an alpha channel which is used for alpha-blending during drawing operations.</p>
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