kicad/include/colors.h

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/************/
/* colors.h */
/************/
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#ifndef _COLORS_H
#define _COLORS_H
#include <wx/wx.h>
/** The color enumeration. Also contains a flag and the alpha value in
* the upper bits
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*/
enum EDA_COLOR_T
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{
UNSPECIFIED_COLOR = -1,
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BLACK = 0,
BLUE,
GREEN,
CYAN,
RED,
MAGENTA,
BROWN,
LIGHTGRAY,
DARKGRAY,
LIGHTBLUE,
LIGHTGREEN,
LIGHTCYAN,
LIGHTRED,
LIGHTMAGENTA,
YELLOW,
WHITE,
DARKDARKGRAY,
DARKBLUE,
DARKGREEN,
DARKCYAN,
DARKRED,
DARKMAGENTA,
DARKBROWN,
LIGHTYELLOW,
LASTCOLOR,
HIGHLIGHT_FLAG = ( 1<<19 ),
NBCOLOR = 24, ///< Number of colors
MASKCOLOR = 31 ///< mask for color index into ColorRefs[]
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};
/// Checked cast. Use only when necessary (ex. I/O)
inline EDA_COLOR_T ColorFromInt( int aColor )
{
wxASSERT( aColor >= UNSPECIFIED_COLOR && aColor < LASTCOLOR );
return static_cast<EDA_COLOR_T>( aColor );
}
/// Return only the plain color part
inline EDA_COLOR_T ColorGetBase( EDA_COLOR_T aColor)
{
return static_cast<EDA_COLOR_T>( aColor & MASKCOLOR );
}
/// Force the color part of a color to darkdarkgray
inline void ColorTurnToDarkDarkGray( EDA_COLOR_T *aColor )
{
*aColor = static_cast<EDA_COLOR_T>( (int(*aColor) & ~MASKCOLOR) | DARKDARKGRAY );
}
inline void ColorChangeHighlightFlag( EDA_COLOR_T *aColor, bool flag )
{
if( flag )
*aColor = static_cast<EDA_COLOR_T>( (int(*aColor) | HIGHLIGHT_FLAG ) );
else
*aColor = static_cast<EDA_COLOR_T>( (int(*aColor) & ~HIGHLIGHT_FLAG ) );
}
/**
* Function SetAlpha
* ORs in the alpha blend parameter in to a color index.
*/
inline void SetAlpha( EDA_COLOR_T* aColor, unsigned char aBlend )
{
const unsigned char MASKALPHA = 0xFF;
*aColor = static_cast<EDA_COLOR_T>((*aColor & ~(MASKALPHA << 24))
| ((aBlend & MASKALPHA) << 24));
}
/**
* Function GetAlpha
* returns the alpha blend parameter from a color index.
*/
inline unsigned char GetAlpha( EDA_COLOR_T aColor )
{
const unsigned char MASKALPHA = 0xFF;
return (aColor >> 24) & MASKALPHA;
}
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struct StructColors
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{
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unsigned char m_Blue;
unsigned char m_Green;
unsigned char m_Red;
EDA_COLOR_T m_Numcolor;
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const wxChar* m_Name;
EDA_COLOR_T m_LightColor;
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};
// list of existing Colors:
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extern StructColors ColorRefs[NBCOLOR];
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/**
* Function MakeColour
* returns a wxWidgets wxColor from a KiCad color index with alpha value.
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* Note that alpha support is not available on every wxWidgets platform. On
* such platform the behavior is the same as for wxALPHA_OPAQUE and that
* means the alpha value has no effect and will be ignored. wxGtk 2.8.4 is
* not supporting alpha.
* @return wxColour - given a KiCad color index with alpha value
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*/
inline wxColour MakeColour( EDA_COLOR_T aColor )
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{
#if wxCHECK_VERSION(2,8,5)
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int alpha = GetAlpha( aColor );
alpha = alpha ? alpha : wxALPHA_OPAQUE;
#endif
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int ndx = aColor & MASKCOLOR;
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return wxColour( ColorRefs[ndx].m_Red,
ColorRefs[ndx].m_Green,
ColorRefs[ndx].m_Blue
#if wxCHECK_VERSION(2,8,5)
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,(unsigned char) alpha
#endif
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);
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}
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#endif /* ifndef _COLORS_H */