bool ColorIsLight( EDA_COLOR_T aColor )
{
const StructColors &c = g_ColorRefs[ColorGetBase( aColor )];
int r = c.m_Red;
int g = c.m_Green;
int b = c.m_Blue;
return ((r * r) + (g * g) + (b * b)) > (128 * 128 * 3);
}
EDA_COLOR_T ColorMix( EDA_COLOR_T aColor1, EDA_COLOR_T aColor2 )
{
/* Memoization storage. This could be potentially called for each
* color merge so a cache is useful (there are few colours anyway) */
static EDA_COLOR_T mix_cache[NBCOLORS][NBCOLORS];
// TODO how is alpha used? it's a mac only thing, I have no idea
aColor1 = ColorGetBase( aColor1 );
aColor2 = ColorGetBase( aColor2 );
// First easy thing: a black gives always the other colour
if( aColor1 == BLACK )
return aColor2;
if( aColor2 == BLACK)
return aColor1;
/* Now we are sure that black can't occur, so the rule is:
* BLACK means not computed yet. If we're lucky we already have
* an answer */
EDA_COLOR_T candidate = mix_cache[aColor1][aColor2];
if( candidate != BLACK )
return candidate;
// Blend the two colors (i.e. OR the RGB values)
const StructColors &c1 = g_ColorRefs[aColor1];
const StructColors &c2 = g_ColorRefs[aColor2];
// Ask the palette for the nearest color to the mix
wxColour mixed( c1.m_Red | c2.m_Red,
c1.m_Green | c2.m_Green,
c1.m_Blue | c2.m_Blue );
candidate = ColorFindNearest( mixed );
/* Here, BLACK is *not* a good answer, since it would recompute the next time.
* Even theorically its not possible (with the current rules), but
* maybe the metric will change in the future */
if( candidate == BLACK )
candidate = DARKDARKGRAY;
// Store the result in the cache. The operation is commutative, too
mix_cache[aColor1][aColor2] = candidate;
mix_cache[aColor2][aColor1] = candidate;
return candidate;
}
void SetGLColor( EDA_COLOR_T color, double alpha )
{
const StructColors &colordata = g_ColorRefs[ColorGetBase( color )];
double red = colordata.m_Red / 255.0;
double blue = colordata.m_Blue / 255.0;
double green = colordata.m_Green / 255.0;
glColor4f( red, green, blue, alpha );
}
SFVEC3F CINFO3D_VISU::GetColor( EDA_COLOR_T aColor ) const
{
const StructColors &colordata = g_ColorRefs[ColorGetBase( aColor )];
static const float inv_255 = 1.0f / 255.0f;
const float red = colordata.m_Red * inv_255;
const float green = colordata.m_Green * inv_255;
const float blue = colordata.m_Blue * inv_255;
return SFVEC3F( red, green, blue );
}
SFVEC3F CINFO3D_VISU::GetLayerColor( LAYER_ID aLayerId ) const
{
wxASSERT( aLayerId < LAYER_ID_COUNT );
const EDA_COLOR_T color = g_ColorsSettings.GetLayerColor( aLayerId );
const StructColors &colordata = g_ColorRefs[ColorGetBase( color )];
static const float inv_255 = 1.0f / 255.0f;
const float red = colordata.m_Red * inv_255;
const float green = colordata.m_Green * inv_255;
const float blue = colordata.m_Blue * inv_255;
return SFVEC3F( red, green, blue );
}
void EDA_MSG_PANEL::showItem( wxDC& aDC, const MSG_PANEL_ITEM& aItem )
{
EDA_COLOR_T color = aItem.m_Color;
if( color >= 0 )
{
color = ColorGetBase( color );
aDC.SetTextForeground( MakeColour( color ) );
}
if( !aItem.m_UpperText.IsEmpty() )
{
aDC.DrawText( aItem.m_UpperText, aItem.m_X, aItem.m_UpperY );
}
if( !aItem.m_LowerText.IsEmpty() )
{
aDC.DrawText( aItem.m_LowerText, aItem.m_X, aItem.m_LowerY );
}
}