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

Creates DataSeriesUtils file that will contain methods for handling data holes...

Creates DataSeriesUtils file that will contain methods for handling data holes Renames DataSeriesUtils file in unit tests to avoid conflicts

Alexandre Leroux - - Load All Authors

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r584:17624d030c39


                r1019:fce4a3cd44f3

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             ColorUtils.cpp
        
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        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;

      }

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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;
		}