1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 4<meta http-equiv="Content-Style-Type" content="text/css"> 5<link rel="stylesheet" href="css/manpage.css" type="text/css"> 6<title>Color Depth Filter Plug-ins</title> 7</head> 8<body> 9 10<h2 id="depth">Color Depth Filter Plug-ins</h2> 11<p>Although RGB and alpha components have a color depth of 8 bits (256 levels) each under Photoshop, they only have a color depth of 1 to 6 bits when using the L4, A4, LA4, RGB565, RGB5_A1 or RGBA4 formats under CTR. This filter can be used to force the color depth corresponding to the format.</p> 12 13<h3 id="depth_usage">Using the Tool</h3> 14<p>Select all channels and execute [NintendoWare for CTR] > [NW4C_ColorDepth...] on the [Filter] menu.</p> 15<p><img src="images/ColorDepthOpt1.gif" border="0"></p> 16<p>Select the format using the radio buttons.<br> The L4 and LA4 formats can be selected only when the image mode is grayscale or all colors used in the image are R = G = B. <br> The A4 format can only be selected when the image mode is grayscale or there is an alpha channel.<BR> The RGB565, RGB5_A1 and RGBA4 formats can only be selected when the image mode is RGB color.<BR> Clicking the [OK] button creates the MIP map image.</p> 17 18<h3 id="depth_notes">Notes</h3> 19 20<h4 id="depth_image_mode">Image Mode</h4> 21<p>Image mode can only be executed when index color or RGB color is used. <br> Executing on files that use 16 bits per channel is impossible.</p> 22 23<h4 id="depth_alpha_chan">Alpha Channel</h4> 24<p>If an alpha channel is present, be sure to execute under the status selected for all channels as given by Shift + left clicking. Execution is impossible if more than one alpha channel exists.</p> 25 26<h4 id="depth_layer">Layers</h4> 27<p>If there is more than one visible layer, combine them first and then execute.<BR> If the image includes only layers and no background and there is no alpha channel, the transparency of pixels is processed as the image's alpha.</p> 28 29<h4 id="depth_mipmap">Combined use with Mipmaps</h4> 30<p>Follow the procedure given below when creating MIP map images to which a color depth filter has been applied.</p> 31<ol> 32<li>Create a MIP map image using the MIP map creation plug-in.</li> 33<li>Combine all layers.</li> 34<li>Applies the color depth filter</li> 35</ol> 36 37<p><br><br></p> 38<hr><p>CONFIDENTIAL</p></body> 39</html>
