<html> <head> <link rel="stylesheet" href="page.css" type="text/css"> <title>fox-toolkit.org - Documentation</title> </head> <body bgcolor=#ffffff link=#990033 vlink=#990033 alink=#990033 text=#000000> <font face='verdana,sans-serif' size=2 > <!---- TOPIC TITLE WITH LOGO---> <table border=0 cellpadding= cellspacing=2 width=100% ><tr><td><a href='http://www.fox-toolkit.org/doc.html'><img src='../art/foxlogo_small.jpg' border=0></a></td><td width=100% valign=bottom><font face='verdana,sans-serif' size=2 ><b> <a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <br><img src='../art/line.gif' width=100% height=1></b></font></td></tr></table> <p> <!--- TOPIC TITLE WITH LOGO ---> <!-- Generated by Doxygen 1.3.3 --> <h1>FXVisual.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span> 00002 <span class="comment">* *</span> 00003 <span class="comment">* V i s u a l C l a s s *</span> 00004 <span class="comment">* *</span> 00005 <span class="comment">*********************************************************************************</span> 00006 <span class="comment">* Copyright (C) 1999,2004 by Jeroen van der Zijp. All Rights Reserved. *</span> 00007 <span class="comment">*********************************************************************************</span> 00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span> 00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span> 00010 <span class="comment">* License as published by the Free Software Foundation; either *</span> 00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span> 00012 <span class="comment">* *</span> 00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span> 00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span> 00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span> 00016 <span class="comment">* Lesser General Public License for more details. *</span> 00017 <span class="comment">* *</span> 00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span> 00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span> 00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span> 00021 <span class="comment">*********************************************************************************</span> 00022 <span class="comment">* $Id: FXVisual.h,v 1.31 2004/02/08 17:17:34 fox Exp $ *</span> 00023 <span class="comment">********************************************************************************/</span> 00024 <span class="preprocessor">#ifndef FXVISUAL_H</span> 00025 <span class="preprocessor"></span><span class="preprocessor">#define FXVISUAL_H</span> 00026 <span class="preprocessor"></span> 00027 <span class="preprocessor">#ifndef FXID_H</span> 00028 <span class="preprocessor"></span><span class="preprocessor">#include "FXId.h"</span> 00029 <span class="preprocessor">#endif</span> 00030 <span class="preprocessor"></span> 00031 <span class="keyword">namespace </span>FX { 00032 00033 <span class="comment"></span> 00034 <span class="comment">/// Construction options for FXVisual class</span> 00035 <span class="comment"></span><span class="keyword">enum</span> <a class="code" href="group__FXVisual__0.html#a0">FXVisualOptions</a> { 00036 <a class="code" href="group__FXVisual__0.html#a0a2116">VISUAL_DEFAULT</a> = 0, <span class="comment">/// Default visual</span> 00037 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2117">VISUAL_MONOCHROME</a> = 1, <span class="comment">/// Must be monochrome visual</span> <a name="l00038"></a><a class="code" href="group__FXVisual__0.html#a0">00038</a> <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2118">VISUAL_BEST</a> = 2, <span class="comment">/// Best (deepest) visual</span> 00039 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2119">VISUAL_INDEXCOLOR</a> = 4, <span class="comment">/// Palette visual</span> 00040 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2120">VISUAL_GRAYSCALE</a> = 8, <span class="comment">/// Gray scale visual</span> 00041 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2121">VISUAL_TRUECOLOR</a> = 16, <span class="comment">/// Must be true color visual</span> 00042 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2122">VISUAL_OWNCOLORMAP</a> = 32, <span class="comment">/// Allocate private colormap</span> 00043 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2123">VISUAL_DOUBLEBUFFER</a> = 64, <span class="comment">/// Double-buffered [FXGLVisual]</span> 00044 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2124">VISUAL_STEREO</a> = 128, <span class="comment">/// Stereo [FXGLVisual]</span> 00045 <span class="comment"></span> <a class="code" href="group__FXVisual__0.html#a0a2125">VISUAL_NOACCEL</a> = 256 <span class="comment">/// No hardware acceleration [for broken h/w]</span> 00046 <span class="comment"></span> }; 00047 00048 <span class="comment"></span> 00049 <span class="comment">/// Visual type</span> 00050 <span class="comment"></span><span class="keyword">enum</span> <a class="code" href="group__FXVisual__1.html#a0">FXVisualType</a> { 00051 <a class="code" href="group__FXVisual__1.html#a0a2126">VISUALTYPE_UNKNOWN</a>, <span class="comment">/// Undetermined visual type</span> 00052 <span class="comment"></span> <a class="code" href="group__FXVisual__1.html#a0a2127">VISUALTYPE_MONO</a>, <span class="comment">/// Visual for drawing into 1-bpp surfaces</span> 00053 <span class="comment"></span> <a class="code" href="group__FXVisual__1.html#a0a2128">VISUALTYPE_TRUE</a>, <span class="comment">/// True color</span> 00054 <span class="comment"></span> <a class="code" href="group__FXVisual__1.html#a0a2129">VISUALTYPE_INDEX</a>, <span class="comment">/// Index [palette] color</span> 00055 <span class="comment"></span> <a class="code" href="group__FXVisual__1.html#a0a2130">VISUALTYPE_GRAY</a> <span class="comment">/// Gray scale</span> 00056 <span class="comment"></span> }; <a name="l00057"></a><a class="code" href="group__FXVisual__1.html#a0">00057</a> 00058 00059 <span class="keyword">class </span>FXApp; 00060 <span class="keyword">class </span>FXWindow; 00061 <span class="keyword">class </span>FXGLContext; 00062 <span class="keyword">class </span>FXGLCanvas; 00063 <span class="keyword">class </span>FXImage; 00064 <span class="keyword">class </span>FXIcon; 00065 <span class="keyword">class </span>FXBitmap; 00066 <span class="keyword">class </span>FXDCWindow; 00067 00068 <span class="comment"></span> 00069 <span class="comment">/// Visual describes pixel format of a drawable</span> 00070 <span class="comment"></span><span class="keyword">class </span>FXAPI FXVisual : <span class="keyword">public</span> FXId { 00071 FXDECLARE(FXVisual) 00072 <span class="keyword">friend</span> <span class="keyword">class </span>FXApp; 00073 <span class="keyword">friend</span> <span class="keyword">class </span>FXWindow; 00074 <span class="keyword">friend</span> <span class="keyword">class </span>FXGLContext; 00075 <span class="keyword">friend</span> <span class="keyword">class </span>FXGLCanvas; 00076 <span class="keyword">friend</span> <span class="keyword">class </span>FXImage; 00077 <span class="keyword">friend</span> <span class="keyword">class </span>FXIcon; 00078 <span class="keyword">friend</span> <span class="keyword">class </span>FXBitmap; 00079 <span class="keyword">friend</span> <span class="keyword">class </span>FXDCWindow; 00080 <span class="keyword">protected</span>: 00081 FXuint flags; <span class="comment">// Visual flags</span> 00082 FXuint hint; <span class="comment">// Depth Hint</span> <a name="l00083"></a><a class="code" href="classFX_1_1FXVisual.html">00083</a> FXuint depth; <span class="comment">// Visual depth, significant bits/pixel</span> 00084 FXuint numred; <span class="comment">// Number of reds</span> 00085 FXuint numgreen; <span class="comment">// Number of greens</span> 00086 FXuint numblue; <span class="comment">// Number of blues</span> 00087 FXuint numcolors; <span class="comment">// Total number of colors</span> 00088 FXuint maxcolors; <span class="comment">// Maximum number of colors</span> 00089 <a class="code" href="group__FXVisual__1.html#a0">FXVisualType</a> type; <span class="comment">// Visual type</span> 00090 <span class="preprocessor">#ifndef WIN32</span> 00091 <span class="preprocessor"></span><span class="keyword">protected</span>: 00092 <span class="keywordtype">void</span> *visual; <span class="comment">// Application visual [Visual]</span> 00093 <span class="keywordtype">void</span> *info; <span class="comment">// XVisualInfo, if any</span> 00094 FXID colormap; <span class="comment">// Color map, if any</span> 00095 <span class="keywordtype">void</span>* gc; <span class="comment">// Drawing GC</span> 00096 <span class="keywordtype">void</span>* scrollgc; <span class="comment">// Scrolling GC</span> 00097 FXPixel rpix[16][256]; <span class="comment">// Mapping from red -> pixel</span> 00098 FXPixel gpix[16][256]; <span class="comment">// Mapping from green -> pixel</span> 00099 FXPixel bpix[16][256]; <span class="comment">// Mapping from blue -> pixel</span> 00100 FXPixel lut[256]; <span class="comment">// Color lookup table</span> 00101 FXbool freemap; <span class="comment">// We allocated the map</span> 00102 <span class="keyword">protected</span>: 00103 <span class="keywordtype">void</span>* makegc(FXbool gex); 00104 <span class="keywordtype">void</span> setuptruecolor(); 00105 <span class="keywordtype">void</span> setupdirectcolor(); 00106 <span class="keywordtype">void</span> setuppseudocolor(); 00107 <span class="keywordtype">void</span> setupstaticcolor(); <a name="l00108"></a><a class="code" href="classFX_1_1FXVisual.html#a4">00108</a> <span class="keywordtype">void</span> setupgrayscale(); 00109 <span class="keywordtype">void</span> setupstaticgray(); 00110 <span class="keywordtype">void</span> setuppixmapmono(); <a name="l00111"></a><a class="code" href="classFX_1_1FXVisual.html#a5">00111</a> <span class="keywordtype">void</span> setupcolormap(); 00112 <span class="preprocessor">#else</span> 00113 <span class="preprocessor"></span><span class="keyword">protected</span>: <a name="l00114"></a><a class="code" href="classFX_1_1FXVisual.html#a6">00114</a> FXID hPalette; <span class="comment">// Palette, if any</span> 00115 <span class="keywordtype">void</span> *info; <span class="comment">// PIXELFORMATDESCRIPTOR, if any</span> 00116 <span class="keywordtype">int</span> pixelformat; <span class="comment">// PIXELFORMAT number</span> <a name="l00117"></a><a class="code" href="classFX_1_1FXVisual.html#a7">00117</a> <span class="preprocessor">#endif</span> 00118 <span class="preprocessor"></span><span class="keyword">protected</span>: 00119 FXVisual(); <a name="l00120"></a><a class="code" href="classFX_1_1FXVisual.html#a8">00120</a> <span class="keyword">private</span>: 00121 FXVisual(<span class="keyword">const</span> FXVisual&); 00122 FXVisual &operator=(<span class="keyword">const</span> FXVisual&); <a name="l00123"></a><a class="code" href="classFX_1_1FXVisual.html#a9">00123</a> <span class="keyword">public</span>: 00124 <span class="comment"></span> 00125 <span class="comment"> /// Construct default visual</span> 00126 <span class="comment"></span> FXVisual(<a class="code" href="classFX_1_1FXApp.html">FXApp</a>* a,FXuint flgs,FXuint d=32); 00127 <span class="comment"></span> 00128 <span class="comment"> /// Create visual</span> 00129 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> create(); 00130 <span class="comment"></span> 00131 <span class="comment"> /// Detach visual</span> 00132 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> detach(); 00133 <span class="comment"></span> 00134 <span class="comment"> /// Destroy visual</span> <a name="l00135"></a><a class="code" href="classFX_1_1FXVisual.html#a13">00135</a> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> destroy(); 00136 <span class="comment"></span> 00137 <span class="comment"> /// Get flags (see FXVisualOptions)</span> <a name="l00138"></a><a class="code" href="classFX_1_1FXVisual.html#a14">00138</a> <span class="comment"></span> FXuint getFlags()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> flags; } 00139 <span class="comment"></span> 00140 <span class="comment"> /// Get depth, i.e. number of significant bits in color representation</span> 00141 <span class="comment"></span> FXuint getDepth()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> depth; } 00142 <span class="comment"></span> 00143 <span class="comment"> /// Get number of colors</span> 00144 <span class="comment"></span> FXuint getNumColors()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> numcolors; } 00145 <span class="comment"></span> 00146 <span class="comment"> /// Get number of reds</span> 00147 <span class="comment"></span> FXuint getNumRed()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> numred; } 00148 <span class="comment"></span> 00149 <span class="comment"> /// Get number of greens</span> 00150 <span class="comment"></span> FXuint getNumGreen()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> numred; } 00151 <span class="comment"></span> 00152 <span class="comment"> /// Get number of blues</span> 00153 <span class="comment"></span> FXuint getNumBlue()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> numred; } 00154 <span class="comment"></span> 00155 <span class="comment"> /// Get device pixel value for color</span> 00156 <span class="comment"></span> FXPixel getPixel(FXColor clr); 00157 <span class="comment"></span> 00158 <span class="comment"> /// Get color value for device pixel value</span> 00159 <span class="comment"></span> FXColor getColor(FXPixel pix); 00160 <span class="comment"></span> 00161 <span class="comment"> /// Set maximum number of colors to allocate</span> 00162 <span class="comment"></span> <span class="keywordtype">void</span> setMaxColors(FXuint maxcols); 00163 <span class="comment"></span> 00164 <span class="comment"> /// Get maximum number of colors</span> 00165 <span class="comment"></span> FXuint getMaxColors()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> maxcolors; } 00166 <span class="comment"></span> 00167 <span class="comment"> /// Get visual type</span> 00168 <span class="comment"></span> <a class="code" href="group__FXVisual__1.html#a0">FXVisualType</a> getType()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> type; } 00169 <span class="comment"></span> 00170 <span class="comment"> /// Save visual information to a stream</span> 00171 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> save(FXStream& store) <span class="keyword">const</span>; 00172 <span class="comment"></span> 00173 <span class="comment"> /// Load visual information from a stream</span> 00174 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> load(FXStream& store); 00175 <span class="comment"></span> 00176 <span class="comment"> /// Destructor</span> 00177 <span class="comment"></span> <span class="keyword">virtual</span> ~FXVisual(); 00178 }; 00179 00180 } 00181 00182 <span class="preprocessor">#endif</span> </pre></div></font> <!--- COPYRIGHT --> <p> <table width=100% cellpadding=0 cellspacing=0><tr><td width=100% valign=top id=HEADLINE align=right> <img src='../art/line.gif' width=100% height=1><font size=-1> Copyright © 1997-2004 Jeroen van der Zijp</font> </td></tr></table> </p> <!--- COPYRIGHT --> </body> </html>