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Jakub Melka
2019-06-15 17:40:22 +02:00
parent 630afbba61
commit 84f26180c5
6 changed files with 137 additions and 31 deletions
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11
PdfForQtLib/sources/pdfutils.h
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@@ -99,6 +99,17 @@ private:
Value m_bitsInBuffer;
};
/// Performs linear mapping of value x in interval [x_min, x_max] to the interval [y_min, y_max].
/// \param x Value to be linearly remapped from interval [x_min, x_max] to the interval [y_min, y_max].
/// \param x_min Start of the input interval
/// \param x_max End of the input interval
/// \param y_min Start of the output interval
/// \param y_max End of the output interval
static inline constexpr PDFReal interpolate(PDFReal x, PDFReal x_min, PDFReal x_max, PDFReal y_min, PDFReal y_max)
{
return y_min + (x - x_min) * (y_max - y_min) / (x_max - x_min);
}
} // namespace pdf
#endif // PDFUTILS_H