HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Files · gui/src/Common/ColorUtils.cpp

Fixes data loss in some cases of data recovery from the CosiunusProvider

Alexandre Leroux - - Load All Authors

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                r764:6fa5f5facdaa

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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;
		}