GIT_REPOSITORIES/LPP/Users/mperrinel/SciQLop-fork Files · gui/src/Common/ColorUtils.cpp

Add satic method to compute vector of in or not in ranges between...

Add satic method to compute vector of in or not in ranges between two ranges

Alexandre Leroux - - Load All Authors

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             ColorUtils.cpp
        
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      #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;

      }

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				#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;
				}