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<h1>FXBitmap.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">*                                                                               *</span>
00003 <span class="comment">*                             B i t m a p    O b j e c t                        *</span>
00004 <span class="comment">*                                                                               *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 1998,2004 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: FXBitmap.h,v 1.27 2004/02/08 17:17:33 fox Exp $                          *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXBITMAP_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXBITMAP_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="preprocessor">#ifndef FXDRAWABLE_H</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#include "FXDrawable.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">// Image rendering hints</span>
00034 <span class="keyword">enum</span> {
00035   <a class="code" href="group__FXBitmap__0.html#a0a46">BITMAP_KEEP</a>       = 0x00000001,       <span class="comment">// Keep pixel data in client</span>
00036   <a class="code" href="group__FXBitmap__0.html#a0a47">BITMAP_OWNED</a>      = 0x00000002,       <span class="comment">// Pixel data is owned by image</span>
00037   <a class="code" href="group__FXBitmap__0.html#a0a48">BITMAP_SHMI</a>       = 0x00000020,       <span class="comment">// Using shared memory image</span>
00038   <a class="code" href="group__FXBitmap__0.html#a0a49">BITMAP_SHMP</a>       = 0x00000040        <span class="comment">// Using shared memory pixmap</span>
00039   };
00040 
00041 
00042 <span class="comment">// Forward declarations</span>
00043 <span class="keyword">class </span>FXDC;
00044 <span class="keyword">class </span>FXDCWindow;
00045 <span class="keyword">class </span>FXDrawable;
00046 <span class="keyword">class </span>FXTopWindow;
00047 
00048 <span class="comment"></span>
00049 <span class="comment">/**</span>
00050 <span class="comment">* Bitmap is a one bit/pixel image used for patterning and</span>
00051 <span class="comment">* stippling operations.</span>
00052 <span class="comment">*/</span>
00053 <span class="keyword">class </span>FXAPI FXBitmap : <span class="keyword">public</span> FXDrawable {
00054   FXDECLARE(FXBitmap)
00055   <span class="keyword">friend</span> <span class="keyword">class </span>FXDC;
00056   <span class="keyword">friend</span> <span class="keyword">class </span>FXDCWindow;
00057   <span class="keyword">friend</span> <span class="keyword">class </span>FXDrawable;
00058   <span class="keyword">friend</span> <span class="keyword">class </span>FXTopWindow;
00059 <span class="keyword">private</span>:
<a name="l00060"></a><a class="code" href="classFX_1_1FXBitmap.html">00060</a> <span class="preprocessor">#ifdef WIN32</span>
00061 <span class="preprocessor"></span>  <span class="keyword">virtual</span> FXID GetDC() <span class="keyword">const</span>;
00062   <span class="keyword">virtual</span> <span class="keywordtype">int</span> ReleaseDC(FXID) <span class="keyword">const</span>;
00063 <span class="preprocessor">#endif</span>
00064 <span class="preprocessor"></span><span class="keyword">protected</span>:
00065   FXuchar *data;                <span class="comment">// Pixel data</span>
00066   FXuint   options;             <span class="comment">// Options</span>
00067 <span class="keyword">protected</span>:
00068   FXBitmap();
00069 <span class="keyword">private</span>:
00070   FXBitmap(<span class="keyword">const</span> FXBitmap&amp;);
00071   FXBitmap &amp;operator=(<span class="keyword">const</span> FXBitmap&amp;);
00072 <span class="keyword">public</span>:
00073 <span class="comment"></span>
00074 <span class="comment">  /// Create an image</span>
00075 <span class="comment"></span>  FXBitmap(<a class="code" href="classFX_1_1FXApp.html">FXApp</a>* a,<span class="keyword">const</span> <span class="keywordtype">void</span> *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1);
00076 <span class="comment"></span>
00077 <span class="comment">  /// Create bitmap</span>
00078 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> create();
00079 <span class="comment"></span>
00080 <span class="comment">  /// Detach from bitmap</span>
00081 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> detach();
00082 <span class="comment"></span>
00083 <span class="comment">  /// Destroy bitmap</span>
00084 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> destroy();
00085 <span class="comment"></span>
00086 <span class="comment">  /// Render pixels</span>
00087 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> render();
00088 <span class="comment"></span>
00089 <span class="comment">  /// Release the client-side pixels buffer, freeing it if it was owned.</span>
00090 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> release();
00091 <span class="comment"></span>
00092 <span class="comment">  /// Get pixel at x,y</span>
00093 <span class="comment"></span>  FXbool getPixel(FXint x,FXint y) <span class="keyword">const</span>;
00094 <span class="comment"></span>
00095 <span class="comment">  /// Change pixel at x,y</span>
00096 <span class="comment"></span>  <span class="keywordtype">void</span> setPixel(FXint x,FXint y,FXbool color);
00097 <span class="comment"></span>
00098 <span class="comment">  /// Resize bitmap to the specified width and height; the contents become undefined</span>
00099 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> resize(FXint w,FXint h);
00100 <span class="comment"></span>
00101 <span class="comment">  /// Save object to stream</span>
00102 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> save(<a class="code" href="classFX_1_1FXStream.html">FXStream</a>&amp; store) <span class="keyword">const</span>;
00103 <span class="comment"></span>
00104 <span class="comment">  /// Load object from stream</span>
00105 <span class="comment"></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> load(<a class="code" href="classFX_1_1FXStream.html">FXStream</a>&amp; store);
00106 <span class="comment"></span>
00107 <span class="comment">  /// Save pixel data only</span>
00108 <span class="comment"></span>  <span class="keyword">virtual</span> FXbool savePixels(<a class="code" href="classFX_1_1FXStream.html">FXStream</a>&amp; store) <span class="keyword">const</span>;
00109 <span class="comment"></span>
00110 <span class="comment">  /// Load pixel data only</span>
00111 <span class="comment"></span>  <span class="keyword">virtual</span> FXbool loadPixels(<a class="code" href="classFX_1_1FXStream.html">FXStream</a>&amp; store);
00112 <span class="comment"></span>
00113 <span class="comment">  /// Cleanup</span>
00114 <span class="comment"></span>  <span class="keyword">virtual</span> ~FXBitmap();
00115   };
00116 
00117 }
00118 
00119 <span class="preprocessor">#endif</span>
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