##// END OF EJS Templates
Adds the ability to force an acquisition pending for an operation (3)...
Adds the ability to force an acquisition pending for an operation (3) Forces to wait acquisition when creating a variable

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r584:17624d030c39
r1251:6cdc10030ad4
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ColorUtils.cpp
29 lines | 1.0 KiB | text/x-c | CppLexer
Alexandre Leroux
Sets differents colors for components of a vector
r584 #include "Common/ColorUtils.h"
#include <QtGui/QColor>
std::vector<QColor> ColorUtils::colors(const QColor &minColor, const QColor &maxColor,
int nbColors) noexcept
{
auto result = std::vector<QColor>{};
if (nbColors == 1) {
result.push_back(minColor);
}
else if (nbColors > 0) {
const auto nbSteps = static_cast<double>(nbColors - 1);
const auto colorHStep = (maxColor.hue() - minColor.hue()) / nbSteps;
const auto colorSStep = (maxColor.saturation() - minColor.saturation()) / nbSteps;
const auto colorVStep = (maxColor.value() - minColor.value()) / nbSteps;
const auto colorAStep = (maxColor.alpha() - minColor.alpha()) / nbSteps;
for (auto i = 0; i < nbColors; ++i) {
result.push_back(QColor::fromHsv(
minColor.hue() + i * colorHStep, minColor.saturation() + i * colorSStep,
minColor.value() + i * colorVStep, minColor.alpha() + i * colorAStep));
}
}
return result;
}