haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added one more function to convert colors.

This commit is contained in:
Maciej Suminski 2013-09-11 11:11:27 +02:00
parent 7d4aed1099
commit cd56848326
2 changed files with 18 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
common/gr_basic.cpp
View File

@ -1488,12 +1488,12 @@ bool ColorIsLight( EDA_COLOR_T aColor )
EDA_COLOR_T ColorFindNearest( const wxColour &aColor )
{
EDA_COLOR_T candidate = BLACK;
return ColorFindNearest( aColor.Red(), aColor.Green(), aColor.Blue() );
}
// These are ints because we will subtract them later
int r = aColor.Red();
int g = aColor.Green();
int b = aColor.Blue();
EDA_COLOR_T ColorFindNearest( int aR, int aG, int aB )
{
EDA_COLOR_T candidate = BLACK;
/* Find the 'nearest' color in the palette. This is fun. There is
a gazilion of metrics for the color space and no one of the
@ -1511,11 +1511,11 @@ EDA_COLOR_T ColorFindNearest( const wxColour &aColor )
for( EDA_COLOR_T trying = BLACK; trying < NBCOLORS; trying = NextColor(trying) )
{
const StructColors &c = g_ColorRefs[trying];
int distance = (r - c.m_Red) * (r - c.m_Red) +
(g - c.m_Green) * (g - c.m_Green) +
(b - c.m_Blue) * (b - c.m_Blue);
if( distance < nearest_distance && c.m_Red >= r &&
c.m_Green >= g && c.m_Blue >= b )
int distance = (aR - c.m_Red) * (aR - c.m_Red) +
(aG - c.m_Green) * (aG - c.m_Green) +
(aB - c.m_Blue) * (aB - c.m_Blue);
if( distance < nearest_distance && c.m_Red >= aR &&
c.m_Green >= aG && c.m_Blue >= aB )
{
nearest_distance = distance;
candidate = trying;

8
include/colors.h
View File

@ -139,6 +139,14 @@ EDA_COLOR_T ColorByName( const wxChar *aName );
/// Find the nearest color match
EDA_COLOR_T ColorFindNearest( const wxColour &aColor );
/**
* Find the nearest color match
* @param aR is the red component of the color to be matched (in range 0-255)
* @param aG is the green component of the color to be matched (in range 0-255)
* @param aG is the blue component of the color to be matched (in range 0-255)
*/
EDA_COLOR_T ColorFindNearest( int aR, int aG, int aB );
/**
* Check if a color is light i.e. if black would be more readable than
* white on it