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Display color scale

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Jakub Melka
2021-04-03 18:28:34 +02:00
parent 4921b61cf9
commit 9aba0608c3
4 changed files with 132 additions and 2 deletions
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17
Pdf4QtLib/sources/pdfutils.h
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@ -811,10 +811,27 @@ QDataStream& operator<<(QDataStream& stream, const std::set<T>& set)
class Pdf4QtLIBSHARED_EXPORT PDFColorScale
{
public:
explicit PDFColorScale();
/// Creates a new color scale for defined range
/// \param min Lower bound of a scale range
/// \param max Upper bound of a scale range
explicit PDFColorScale(PDFReal min, PDFReal max);
/// Map value to the color. If value is outside of the range, it
/// is clamped to fit in the range.
/// \param value Value
QColor map(PDFReal value) const;
/// Returns color values of the scale
const std::vector<QColor> getColorScales() const { return m_colorScales; }
PDFReal getMin() const { return m_min; }
PDFReal getMax() const { return m_max; }
/// Returns true, if color scale is valid
bool isValid() const { return m_min < m_max && !m_colorScales.empty(); }
private:
std::vector<QColor> m_colorScales;
PDFReal m_min;