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<h1>FXColorWheel.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span>
00002 <span class="comment">* *</span>
00003 <span class="comment">* C o l o r W h e e l W i d g e t *</span>
00004 <span class="comment">* *</span>
00005 <span class="comment">*********************************************************************************</span>
00006 <span class="comment">* Copyright (C) 2001,2004 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: FXColorWheel.h,v 1.23 2004/02/08 17:17:33 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXCOLORWHEEL_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXCOLORWHEEL_H</span>
00026 <span class="preprocessor"></span>
00027 <span class="preprocessor">#ifndef FXFRAME_H</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#include "FXFrame.h"</span>
00029 <span class="preprocessor">#endif</span>
00030 <span class="preprocessor"></span>
00031 <span class="keyword">namespace </span>FX {
00032
00033
00034 <span class="keyword">class </span>FXImage;
00035
00036 <span class="comment"></span>
00037 <span class="comment">/**</span>
00038 <span class="comment">* A color wheel is a widget which controls a color by means</span>
00039 <span class="comment">* of the hue, saturation, value color specification system.</span>
00040 <span class="comment">*/</span>
<a name="l00041"></a><a class="code" href="classFX_1_1FXColorWheel.html">00041</a> <span class="keyword">class </span>FXAPI FXColorWheel : <span class="keyword">public</span> <a class="code" href="classFX_1_1FXFrame.html">FXFrame</a> {
00042 FXDECLARE(FXColorWheel)
00043 <span class="keyword">protected</span>:
00044 <a class="code" href="classFX_1_1FXImage.html">FXImage</a> *dial; <span class="comment">// HSV dial image</span>
00045 FXfloat hsv[3]; <span class="comment">// Hue, saturation, value</span>
00046 FXint spotx; <span class="comment">// Spot x location</span>
00047 FXint spoty; <span class="comment">// Spot Y location</span>
00048 FXint dialx; <span class="comment">// Dial x location</span>
00049 FXint dialy; <span class="comment">// Dial Y location</span>
00050 <a class="code" href="classFX_1_1FXString.html">FXString</a> tip; <span class="comment">// Tooltip value</span>
00051 <a class="code" href="classFX_1_1FXString.html">FXString</a> help; <span class="comment">// Help value</span>
00052 <span class="keyword">protected</span>:
00053 FXColorWheel();
00054 <span class="keywordtype">void</span> updatedial();
00055 <span class="keywordtype">void</span> movespot(FXint x,FXint y);
00056 FXbool hstoxy(FXint& x,FXint& y,FXfloat h,FXfloat s) <span class="keyword">const</span>;
00057 FXbool xytohs(FXfloat& h,FXfloat& s,FXint x,FXint y) <span class="keyword">const</span>;
00058 <span class="keyword">private</span>:
00059 FXColorWheel(<span class="keyword">const</span> FXColorWheel&);
00060 FXColorWheel &operator=(<span class="keyword">const</span> FXColorWheel&);
00061 <span class="keyword">public</span>:
00062 <span class="keywordtype">long</span> onPaint(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00063 <span class="keywordtype">long</span> onLeftBtnPress(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00064 <span class="keywordtype">long</span> onLeftBtnRelease(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00065 <span class="keywordtype">long</span> onMotion(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00066 <span class="keywordtype">long</span> onMouseWheel(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00067 <span class="keywordtype">long</span> onCmdSetHelp(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00068 <span class="keywordtype">long</span> onCmdGetHelp(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00069 <span class="keywordtype">long</span> onCmdSetTip(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00070 <span class="keywordtype">long</span> onCmdGetTip(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00071 <span class="keywordtype">long</span> onQueryHelp(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00072 <span class="keywordtype">long</span> onQueryTip(<a class="code" href="classFX_1_1FXObject.html">FXObject</a>*,FXSelector,<span class="keywordtype">void</span>*);
00073 <span class="keyword">public</span>:
00074 <span class="comment"></span>
00075 <span class="comment"> /// Construct color well with initial color clr</span>
00076 <span class="comment"></span> FXColorWheel(<a class="code" href="classFX_1_1FXComposite.html">FXComposite</a>* p,<a class="code" href="classFX_1_1FXObject.html">FXObject</a>* tgt=NULL,FXSelector sel=0,FXuint opts=<a class="code" href="group__FXWindow__1.html#a0a2163">FRAME_NORMAL</a>,FXint x=0,FXint y=0,FXint w=0,FXint h=0,FXint pl=DEFAULT_PAD,FXint pr=DEFAULT_PAD,FXint pt=DEFAULT_PAD,FXint pb=DEFAULT_PAD);
00077 <span class="comment"></span>
00078 <span class="comment"> /// Create server-side resources</span>
<a name="l00079"></a><a class="code" href="classFX_1_1FXColorWheel.html#a7">00079</a> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> create();
00080 <span class="comment"></span>
00081 <span class="comment"> /// Detach server-side resources</span>
00082 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> detach();
00083 <span class="comment"></span>
00084 <span class="comment"> /// Perform layout</span>
<a name="l00085"></a><a class="code" href="classFX_1_1FXColorWheel.html#a9">00085</a> <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> layout();
00086 <span class="comment"></span>
00087 <span class="comment"> /// Return default width</span>
00088 <span class="comment"></span> <span class="keyword">virtual</span> FXint getDefaultWidth();
00089 <span class="comment"></span>
00090 <span class="comment"> /// Return default height</span>
<a name="l00091"></a><a class="code" href="classFX_1_1FXColorWheel.html#a11">00091</a> <span class="comment"></span> <span class="keyword">virtual</span> FXint getDefaultHeight();
00092 <span class="comment"></span>
00093 <span class="comment"> /// Change hue</span>
00094 <span class="comment"></span> <span class="keywordtype">void</span> setHue(FXfloat h);
00095 <span class="comment"></span>
00096 <span class="comment"> /// Return hue</span>
<a name="l00097"></a><a class="code" href="classFX_1_1FXColorWheel.html#a13">00097</a> <span class="comment"></span> FXfloat getHue()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hsv[0]; }
00098 <span class="comment"></span>
00099 <span class="comment"> /// Change saturation</span>
00100 <span class="comment"></span> <span class="keywordtype">void</span> setSat(FXfloat s);
00101 <span class="comment"></span>
00102 <span class="comment"> /// Return saturation</span>
<a name="l00103"></a><a class="code" href="classFX_1_1FXColorWheel.html#a15">00103</a> <span class="comment"></span> FXfloat getSat()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hsv[1]; }
00104 <span class="comment"></span>
00105 <span class="comment"> /// Change value</span>
00106 <span class="comment"></span> <span class="keywordtype">void</span> setVal(FXfloat v);
00107 <span class="comment"></span>
00108 <span class="comment"> /// Return value</span>
00109 <span class="comment"></span> FXfloat getVal()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> hsv[2]; }
00110 <span class="comment"></span>
00111 <span class="comment"> /// Set status line help text for this color well</span>
00112 <span class="comment"></span> <span class="keywordtype">void</span> setHelpText(<span class="keyword">const</span> FXString& text);
00113 <span class="comment"></span>
00114 <span class="comment"> /// Get status line help text for this color well</span>
00115 <span class="comment"></span> FXString getHelpText()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> help; }
00116 <span class="comment"></span>
00117 <span class="comment"> /// Set tool tip message for this color well</span>
00118 <span class="comment"></span> <span class="keywordtype">void</span> setTipText(<span class="keyword">const</span> FXString& text);
00119 <span class="comment"></span>
00120 <span class="comment"> /// Get tool tip message for this color well</span>
00121 <span class="comment"></span> FXString getTipText()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> tip; }
00122 <span class="comment"></span>
00123 <span class="comment"> /// Save color well to a stream</span>
00124 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> save(FXStream& store) <span class="keyword">const</span>;
00125 <span class="comment"></span>
00126 <span class="comment"> /// Load color well from a stream</span>
00127 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> load(FXStream& store);
00128 <span class="comment"></span>
00129 <span class="comment"> /// Destructor</span>
00130 <span class="comment"></span> <span class="keyword">virtual</span> ~FXColorWheel();
00131 };
00132
00133 }
00134
00135 <span class="preprocessor">#endif</span>
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