Dario Sassi
98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2014-2014
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//----------------------------------------------------------------------------
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// File : Color.cpp Data : 12.03.14 Versione : 1.5a5
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// Contenuto : Implementazione funzioni per gestione colori.
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//
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//
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//
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// Modifiche : 12.03.14 DS Creazione modulo.
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// 24.04.14 DS Agg. GetSurfBackColor.
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//
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//----------------------------------------------------------------------------
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//--------------------------- Include ----------------------------------------
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#include "stdafx.h"
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#include "/EgtDev/Include/EGkColor.h"
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#include "/EgtDev/Include/EGnStringUtils.h"
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using namespace std ;
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//------------------------- Constants ----------------------------------------
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struct NamedColor {
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const char* szName ;
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Color colC ;
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} ;
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static const NamedColor StdColor[] = {
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{ "WHITE", WHITE},
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{ "LGRAY", LGRAY},
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{ "GRAY", GRAY},
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{ "BLACK", BLACK},
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{ "RED", RED},
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{ "MAROON", MAROON},
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{ "YELLOW", YELLOW},
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{ "OLIVE", OLIVE},
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{ "LIME", LIME},
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{ "GREEN", GREEN},
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{ "AQUA", AQUA},
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{ "TEAL", TEAL},
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{ "BLUE", BLUE},
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{ "NAVY", NAVY},
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{ "FUCHSIA", FUCHSIA},
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{ "PURPLE", PURPLE},
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{ "ORANGE", ORANGE},
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{ "BROWN", BROWN}
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} ;
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static const int NUM_STDCOLOR = ( sizeof(StdColor) / sizeof(StdColor[0]) ) ;
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//----------------------------------------------------------------------------
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bool
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GetStdColor( const string& sName, Color& cCol)
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{
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string sCol = sName ;
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ToUpper( sCol) ;
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for ( int i = 0 ; i < NUM_STDCOLOR ; ++ i) {
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if ( sCol == StdColor[i].szName) {
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cCol = StdColor[i].colC ;
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return true ;
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}
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}
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return false ;
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}
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//----------------------------------------------------------------------------
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bool
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GetNameOfStdColor( Color cCol, string& sName)
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{
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for ( int i = 0 ; i < NUM_STDCOLOR ; ++ i) {
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if ( cCol == StdColor[i].colC) {
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sName = StdColor[i].szName ;
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return true ;
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}
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}
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return false ;
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}
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//----------------------------------------------------------------------------
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Color
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GetOppositeColor( Color cCol)
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{
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return Color( MAX_RGB - cCol.GetIntRed(),
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MAX_RGB - cCol.GetIntGreen(),
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MAX_RGB - cCol.GetIntBlue(),
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cCol.GetIntAlpha()) ;
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}
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//----------------------------------------------------------------------------
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Color
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GetSurfBackColor( Color cCol)
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{
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float fLum = ( cCol.GetRed() + cCol.GetGreen() + cCol.GetBlue()) / 3 ;
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return Color( 0.4 * fLum + 0.2 * cCol.GetRed(),
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0.4 * fLum + 0.2 * cCol.GetGreen(),
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0.4 * fLum + 0.2 * cCol.GetBlue(),
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cCol.GetAlpha()) ;
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}
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