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Implements greyscale thresholding

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David Carley
2015-11-17 12:15:34 -06:00
parent 5dfeaa9fd1
commit 3af62446fc
14 changed files with 189 additions and 4 deletions
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5
src/operations.h
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@@ -24,6 +24,11 @@ namespace sharp {
*/
int Sharpen(VipsObject *context, VipsImage *image, VipsImage **out, int radius, double flat, double jagged);
/*
* Perform thresholding on an image. If the image is not greyscale, will convert before thresholding.
* Pixels with a greyscale value greater-than-or-equal-to `threshold` will be pure white. All others will be pure black.
*/
int Threshold(VipsObject *context, VipsImage *image, VipsImage **out, int threshold);
} // namespace sharp
#endif // SRC_OPERATIONS_H_