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Break existing sharpen API to accept sigma and improve precision

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Lovell Fuller
2016-03-31 22:00:33 +01:00
parent ee21d2991c
commit b7a098fb28
8 changed files with 55 additions and 48 deletions
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6
src/operations.h
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@@ -25,14 +25,14 @@ namespace sharp {
VImage Gamma(VImage image, double const exponent);
/*
* Gaussian blur. Use sigma of -1 for fast blur.
* Gaussian blur. Use sigma of -1.0 for fast blur.
*/
VImage Blur(VImage image, double const sigma);
/*
* Sharpen flat and jagged areas. Use radius of -1 for fast sharpen.
* Sharpen flat and jagged areas. Use sigma of -1.0 for fast sharpen.
*/
VImage Sharpen(VImage image, int const radius, double const flat, double const jagged);
VImage Sharpen(VImage image, double const sigma, double const flat, double const jagged);
/*
Calculate crop area based on image entropy