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<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>
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