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

Fix bug when creating two variables crash the app. ...

Fix bug when creating two variables crash the app. Variable as now invalid range and cache range at creation

Alexandre Leroux - - Load All Authors

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r584:17624d030c39


                r756:a7f60f6512e6

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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;
		}