27 lines
675 B
C++
27 lines
675 B
C++
#include "Colors.h"
|
|
|
|
/**
|
|
* Blend the color with the front color, adapting to the back color
|
|
*/
|
|
QColor Color::blend(QColor front, QColor back, QColor color, uchar ratio)
|
|
{
|
|
Q_ASSERT(front.isValid());
|
|
Q_ASSERT(back.isValid());
|
|
if (Rainbow::luma(front) > Rainbow::luma(back))
|
|
{
|
|
// for dark color schemes, produce a fitting color first
|
|
color = Rainbow::tint(front, color, 0.5);
|
|
}
|
|
// adapt contrast
|
|
return Rainbow::mix(front, color, float(ratio) / float(0xff));
|
|
}
|
|
|
|
/**
|
|
* Blend the color with the back color
|
|
*/
|
|
QColor Color::blendBackground(QColor back, QColor color, uchar ratio)
|
|
{
|
|
// adapt contrast
|
|
return Rainbow::mix(back, color, float(ratio) / float(0xff));
|
|
}
|