1141cc406Sopenharmony_ci<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2141cc406Sopenharmony_ci<html> 3141cc406Sopenharmony_ci<head> 4141cc406Sopenharmony_ci <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> 5141cc406Sopenharmony_ci <meta name="Author" content="Oliver Rauch"> 6141cc406Sopenharmony_ci <meta name="Description" content="unix scanner driver for UMAX scanners"> 7141cc406Sopenharmony_ci <title>SANE-umax backend</title> 8141cc406Sopenharmony_ci</head> 9141cc406Sopenharmony_ci<body text="#000000" bgcolor="#FFFFFF" link="#0000EF" vlink="#51188E" alink="#FF0000"> 10141cc406Sopenharmony_ci 11141cc406Sopenharmony_ci 12141cc406Sopenharmony_ci<table> 13141cc406Sopenharmony_ci<tr> 14141cc406Sopenharmony_ci<td width=200> 15141cc406Sopenharmony_ci<img SRC="sane-logo.jpg" alt="SANE-logo" hspace=60 align=BOTTOM> 16141cc406Sopenharmony_ci<br> 17141cc406Sopenharmony_ci<img SRC="sane-umax-text.jpg" alt="UMAX-logo" HSPACE=50> 18141cc406Sopenharmony_ci</td> 19141cc406Sopenharmony_ci<td> 20141cc406Sopenharmony_ci<blockquote> 21141cc406Sopenharmony_ci<h1><font color="#009900">SANE-umax backend</font></h1> 22141cc406Sopenharmony_ci</blockquote> 23141cc406Sopenharmony_ci</td> 24141cc406Sopenharmony_ci</tr> 25141cc406Sopenharmony_ci</table> 26141cc406Sopenharmony_ci 27141cc406Sopenharmony_ci 28141cc406Sopenharmony_ci<hr WIDTH="100%"> 29141cc406Sopenharmony_ci 30141cc406Sopenharmony_ci<table> 31141cc406Sopenharmony_ci<tr> 32141cc406Sopenharmony_ci<td VALIGN=TOP WIDTH="250" BGCOLOR="#E0E0FF"> 33141cc406Sopenharmony_ci<br> 34141cc406Sopenharmony_ci<ul> 35141cc406Sopenharmony_ci<li><a href="sane-umax-doc.html">Index</a></li> 36141cc406Sopenharmony_ci 37141cc406Sopenharmony_ci<li> 38141cc406Sopenharmony_ciFrontend options: 39141cc406Sopenharmony_ci<ul> 40141cc406Sopenharmony_ci<li><a href="sane-umax-standard-options-doc.html">Standard options</a></li> 41141cc406Sopenharmony_ci<li><a href="sane-umax-advanced-options-doc.html">Advanced options</a></li> 42141cc406Sopenharmony_ci</ul> 43141cc406Sopenharmony_ci</li> 44141cc406Sopenharmony_ci 45141cc406Sopenharmony_ci<li> 46141cc406Sopenharmony_ciSupported scanners: 47141cc406Sopenharmony_ci<ul> 48141cc406Sopenharmony_ci<li><a href="sane-umax-powerlook-doc.html">Power Look series</a></li> 49141cc406Sopenharmony_ci<li><a href="sane-umax-mirage-doc.html">Mirage series</a></li> 50141cc406Sopenharmony_ci<li><a href="sane-umax-astra-doc.html">Astra series</a></li> 51141cc406Sopenharmony_ci<li><a href="sane-umax-vista-doc.html">Vista series</a></li> 52141cc406Sopenharmony_ci<li><a href="sane-umax-uc-doc.html">UC series</a></li> 53141cc406Sopenharmony_ci<li><a href="sane-umax-others-doc.html">others</a></li> 54141cc406Sopenharmony_ci<li><a href="sane-umax-not-listed-doc.html">Not listed scanners</a></li> 55141cc406Sopenharmony_ci<li><a href="sane-umax-scanner-clones-doc.html">UMAX scanner clones</a></li> 56141cc406Sopenharmony_ci</ul> 57141cc406Sopenharmony_ci</li> 58141cc406Sopenharmony_ci 59141cc406Sopenharmony_ci<li><a href="sane-umax-parport-doc.html">UMAX parallel port scanners</a></li> 60141cc406Sopenharmony_ci<li><a href="sane-umax-config-doc.html">Configuration</a></li> 61141cc406Sopenharmony_ci<li><a href="sane-umax-speed-doc.html">Speed of UMAX scanners</a></li> 62141cc406Sopenharmony_ci<li><a href="http://www.rauch-domain.de/sane-umax">SANE-umax homepage</a></li> 63141cc406Sopenharmony_ci<li><a href="http://sane-project.org">SANE homepage</a></li> 64141cc406Sopenharmony_ci<li><a href="http://www.xsane.org/">XSane homepage</a></li> 65141cc406Sopenharmony_ci</ul> 66141cc406Sopenharmony_ci<br> 67141cc406Sopenharmony_ci</td> 68141cc406Sopenharmony_ci 69141cc406Sopenharmony_ci<td VALIGN=TOP BGCOLOR="#FFFFFF"> 70141cc406Sopenharmony_ci<br> 71141cc406Sopenharmony_ci<blockquote> 72141cc406Sopenharmony_ciThis backend dynamically enabeles the options that are supported 73141cc406Sopenharmony_ciby the scanner in dependence of the scanning-mode and other options. Here 74141cc406Sopenharmony_ciis an example of the frontend 75141cc406Sopenharmony_ci<a href="http://www.xsane.org">XSane</a>: 76141cc406Sopenharmony_ci<br> 77141cc406Sopenharmony_ci<br> 78141cc406Sopenharmony_ci<br> 79141cc406Sopenharmony_ci 80141cc406Sopenharmony_ci<center><img SRC="sane-umax.jpg" alt="main-window"></center> 81141cc406Sopenharmony_ci 82141cc406Sopenharmony_ci<p><br> 83141cc406Sopenharmony_ciThe options Gamma, brightness, contrast and negative in the 84141cc406Sopenharmony_cimain window come from xsane that calculates a gamma table using this values. 85141cc406Sopenharmony_ciThese values are correlated to highlight, midlight and shadow sliders in 86141cc406Sopenharmony_cithe Histogram window. 87141cc406Sopenharmony_ci 88141cc406Sopenharmony_ci<br> 89141cc406Sopenharmony_ci<h3>Scan modes:</h3> 90141cc406Sopenharmony_ci 91141cc406Sopenharmony_ci<center> 92141cc406Sopenharmony_ci<table BORDER=2 CELLSPACING=2 CELLPADDING=2> 93141cc406Sopenharmony_ci<tr BGCOLOR="#40E0D0"> 94141cc406Sopenharmony_ci<td><b>Mode</b></td> 95141cc406Sopenharmony_ci 96141cc406Sopenharmony_ci<td><b>Remark</b></td> 97141cc406Sopenharmony_ci</tr> 98141cc406Sopenharmony_ci 99141cc406Sopenharmony_ci<tr> 100141cc406Sopenharmony_ci<td>Lineart</td> 101141cc406Sopenharmony_ci 102141cc406Sopenharmony_ci<td>1 bit/pixel black/white mode</td> 103141cc406Sopenharmony_ci</tr> 104141cc406Sopenharmony_ci 105141cc406Sopenharmony_ci<tr> 106141cc406Sopenharmony_ci<td>Halftone</td> 107141cc406Sopenharmony_ci 108141cc406Sopenharmony_ci<td>1 bit/pixel dithered black/white mode</td> 109141cc406Sopenharmony_ci</tr> 110141cc406Sopenharmony_ci 111141cc406Sopenharmony_ci<tr> 112141cc406Sopenharmony_ci<td>Grayscale</td> 113141cc406Sopenharmony_ci 114141cc406Sopenharmony_ci<td>8 / 9 / 10 / 12 / 14 / 16 bits/pixel gray mode</td> 115141cc406Sopenharmony_ci</tr> 116141cc406Sopenharmony_ci 117141cc406Sopenharmony_ci<tr> 118141cc406Sopenharmony_ci<td>Color</td> 119141cc406Sopenharmony_ci 120141cc406Sopenharmony_ci<td>24 / 27 / 30 / 36 / 42 / 48 bits/pixel RGB mode</td> 121141cc406Sopenharmony_ci</tr> 122141cc406Sopenharmony_ci</table> 123141cc406Sopenharmony_ci</center> 124141cc406Sopenharmony_ci 125141cc406Sopenharmony_ci 126141cc406Sopenharmony_ci<br> 127141cc406Sopenharmony_ci<h3>Scan sources:</h3> 128141cc406Sopenharmony_ci 129141cc406Sopenharmony_ci<center><table BORDER=2 CELLSPACING=2 CELLPADDING=2 WIDTH="300" > 130141cc406Sopenharmony_ci<tr BGCOLOR="#40E0D0"> 131141cc406Sopenharmony_ci<td><b>Scan sources</b></td> 132141cc406Sopenharmony_ci</tr> 133141cc406Sopenharmony_ci 134141cc406Sopenharmony_ci<tr> 135141cc406Sopenharmony_ci<td>Flatbed</td> 136141cc406Sopenharmony_ci</tr> 137141cc406Sopenharmony_ci 138141cc406Sopenharmony_ci<tr> 139141cc406Sopenharmony_ci<td>Transparency adapter (UTA)</td> 140141cc406Sopenharmony_ci</tr> 141141cc406Sopenharmony_ci 142141cc406Sopenharmony_ci<tr> 143141cc406Sopenharmony_ci<td>Automatic document feeder (ADF)</td> 144141cc406Sopenharmony_ci</tr> 145141cc406Sopenharmony_ci</table></center> 146141cc406Sopenharmony_ci 147141cc406Sopenharmony_ci<br> 148141cc406Sopenharmony_ci<h3>Standard options:</h3> 149141cc406Sopenharmony_ci 150141cc406Sopenharmony_ci<center><img SRC="sane-umax-standard.jpg" ALT="sane-umax-standard-options-screenshot" height=272 width=309></center> 151141cc406Sopenharmony_ci 152141cc406Sopenharmony_ci<p><br> 153141cc406Sopenharmony_ci<center><table BORDER=2 CELLSPACING=2 CELLPADDING=2> 154141cc406Sopenharmony_ci<tr BGCOLOR="#40E0D0"> 155141cc406Sopenharmony_ci<td><b>Standard options</b></td> 156141cc406Sopenharmony_ci 157141cc406Sopenharmony_ci<td><b>Remark</b></td> 158141cc406Sopenharmony_ci</tr> 159141cc406Sopenharmony_ci 160141cc406Sopenharmony_ci<tr> 161141cc406Sopenharmony_ci<td>Analog gamma correction</td> 162141cc406Sopenharmony_ci 163141cc406Sopenharmony_ci<td>Define the value for analog gamma correction. * 164141cc406Sopenharmony_ci<br>Value between 1.0 and 2.0 . 165141cc406Sopenharmony_ci<br>(Analog gamma correction doesn't reduce the number of used colors)</td> 166141cc406Sopenharmony_ci</tr> 167141cc406Sopenharmony_ci 168141cc406Sopenharmony_ci<tr> 169141cc406Sopenharmony_ci<td>Highlight</td> 170141cc406Sopenharmony_ci 171141cc406Sopenharmony_ci<td>Define the intensity that shall be considered white. *</td> 172141cc406Sopenharmony_ci</tr> 173141cc406Sopenharmony_ci 174141cc406Sopenharmony_ci<tr> 175141cc406Sopenharmony_ci<td>Shadow</td> 176141cc406Sopenharmony_ci 177141cc406Sopenharmony_ci<td>Define the intensity that shall be considered black. *</td> 178141cc406Sopenharmony_ci</tr> 179141cc406Sopenharmony_ci 180141cc406Sopenharmony_ci<tr> 181141cc406Sopenharmony_ci<td>Contrast</td> 182141cc406Sopenharmony_ci 183141cc406Sopenharmony_ci<td>Define the contrast of the image - only available in halftone-mode.</td> 184141cc406Sopenharmony_ci</tr> 185141cc406Sopenharmony_ci 186141cc406Sopenharmony_ci<tr> 187141cc406Sopenharmony_ci<td>Brightness</td> 188141cc406Sopenharmony_ci 189141cc406Sopenharmony_ci<td>Define the brightness of the image - only available in halftone-mode.</td> 190141cc406Sopenharmony_ci</tr> 191141cc406Sopenharmony_ci 192141cc406Sopenharmony_ci<tr> 193141cc406Sopenharmony_ci<td>Threshold</td> 194141cc406Sopenharmony_ci 195141cc406Sopenharmony_ci<td>Define the minimum intensity to get a white point- only available in 196141cc406Sopenharmony_cilineart-mode.</td> 197141cc406Sopenharmony_ci</tr> 198141cc406Sopenharmony_ci 199141cc406Sopenharmony_ci<tr> 200141cc406Sopenharmony_ci<td>Use custom gamma table</td> 201141cc406Sopenharmony_ci 202141cc406Sopenharmony_ci<td>Use free definable scanner internal digital gamma table. 203141cc406Sopenharmony_ci<br>If you enable this option, the gamma correction is done inside the 204141cc406Sopenharmony_ciscanner. If you have a scanner with more than 8/24 bits/pixel, the image 205141cc406Sopenharmony_ciis scanned with the maximum available bit depth. The gamma correction does 206141cc406Sopenharmony_citransform the image form the internal bit depth to the selected output 207141cc406Sopenharmony_ci<b><i>bit depth</i></b> (see below). 208141cc406Sopenharmony_ci<br>The frontends do handle the usage of the gamma table different. If 209141cc406Sopenharmony_ciyou use xsane, you should enable this option to use the maximum available 210141cc406Sopenharmony_cibit depth (otherwise xsane does the conversion with the selected output 211141cc406Sopenharmony_cibit depth). 212141cc406Sopenharmony_ci<br>(Side-effect: digital gamma correction may reduce the number of used 213141cc406Sopenharmony_cicolors -especally if the used bit depth is low.)</td> 214141cc406Sopenharmony_ci</tr> 215141cc406Sopenharmony_ci 216141cc406Sopenharmony_ci<tr> 217141cc406Sopenharmony_ci<td>Quality calibration</td> 218141cc406Sopenharmony_ci 219141cc406Sopenharmony_ci<td>Use quality white calibration. *</td> 220141cc406Sopenharmony_ci</tr> 221141cc406Sopenharmony_ci 222141cc406Sopenharmony_ci<tr> 223141cc406Sopenharmony_ci<td>Double optical resolution</td> 224141cc406Sopenharmony_ci 225141cc406Sopenharmony_ci<td>Use lens 2 on high end scanners, this reduces the scanwidth and increases 226141cc406Sopenharmony_cithe maximum scanresolution. *</td> 227141cc406Sopenharmony_ci</tr> 228141cc406Sopenharmony_ci 229141cc406Sopenharmony_ci<tr> 230141cc406Sopenharmony_ci<td>Negative scan</td> 231141cc406Sopenharmony_ci 232141cc406Sopenharmony_ci<td>Inverts color intensity - for scanning negatives.</td> 233141cc406Sopenharmony_ci</tr> 234141cc406Sopenharmony_ci 235141cc406Sopenharmony_ci<tr> 236141cc406Sopenharmony_ci<td>Bit depth</td> 237141cc406Sopenharmony_ci 238141cc406Sopenharmony_ci<td>Image depth in bits/sample the scanner sends to the computer, normally 239141cc406Sopenharmony_ci8 in grayscale and color mode. Some scanners support more than 8bits/sample, 240141cc406Sopenharmony_cibut only few file formats support it. If your scanner supports more than 241141cc406Sopenharmony_ci8bis/sample you already get an improvement if you set the bit detpth to 242141cc406Sopenharmony_ci8 and enable the option <i>use custom gamma table</i> (see above) because 243141cc406Sopenharmony_cithe scanner internal gamma correction is done with the maximum available 244141cc406Sopenharmony_cibit depth!!! 245141cc406Sopenharmony_ci<center> 246141cc406Sopenharmony_ci<b>*** There is normally no reason to use more than 8 bits/sample! ***</b> 247141cc406Sopenharmony_ci</center> 248141cc406Sopenharmony_ci</td> 249141cc406Sopenharmony_ci</tr> 250141cc406Sopenharmony_ci 251141cc406Sopenharmony_ci<tr> 252141cc406Sopenharmony_ci<td>Lamp warmup</td> 253141cc406Sopenharmony_ci 254141cc406Sopenharmony_ci<td>Enable extended lamp-warmup. *</td> 255141cc406Sopenharmony_ci</tr> 256141cc406Sopenharmony_ci</table></center> 257141cc406Sopenharmony_ci 258141cc406Sopenharmony_ci<center> 259141cc406Sopenharmony_ci<p>* only available for some scanners</center> 260141cc406Sopenharmony_ci 261141cc406Sopenharmony_ci</blockquote> 262141cc406Sopenharmony_ci</td> 263141cc406Sopenharmony_ci</tr> 264141cc406Sopenharmony_ci</table> 265141cc406Sopenharmony_ci 266141cc406Sopenharmony_ci<hr WIDTH="100%"> 267141cc406Sopenharmony_ci 268141cc406Sopenharmony_ci<blockquote> 269141cc406Sopenharmony_ciAuthor: <a href="mailto:Oliver.Rauch@rauch-domain.de">Oliver Rauch</a> 270141cc406Sopenharmony_ci</blockquote> 271141cc406Sopenharmony_ci 272141cc406Sopenharmony_ci</body> 273141cc406Sopenharmony_ci</html> 274
