//! Picks random colors for foreground and backgound on the dialog box. Tries to pick contrasting colors
//! so the text remains visible.
void PoppyUpper::setRandomColors()
{
// pick random foreground/background colors (but not the same foreground and background!)
// color vector has CSScolors.size() elements, so indexes are zero to size()-1
Randoid colorRandThing(0, CSSColors.size() - 1);
unsigned int bgInd = colorRandThing.getRand();
QString backgroundColorStr = CSSColors[bgInd];
unsigned int textInd = colorRandThing.getRand();
QString textColorStr = CSSColors[textInd];
// Make sure they're not the same and have suitable contrast
// we'll try using the lightness value from the HSL representation of the color,
// and make sure they differ by at least 125
QColor bgColor(backgroundColorStr);
QColor txtColor(textColorStr);
while (abs(bgColor.lightness() - txtColor.lightness()) < 125)
{
textInd = colorRandThing.getRand();
textColorStr = CSSColors[textInd];
txtColor = QColor(textColorStr);
}
QPalette thePalette;
thePalette.setColor(QPalette::Window, backgroundColorStr);
thePalette.setColor(QPalette::WindowText, textColorStr);
thePalette.setColor(QPalette::Text, textColorStr);
setPalette(thePalette);
}
int main(){
for (int i = 0; i < 255; ++i){
txtColor(i);
std::cout << i << std::endl;
}
return 0;
}
