showerglass

type MaxPoints func(float64) int

type Options struct {

	// NewHeight, when set, is the height of the image after the resize process.
	// If a float64 is provided, NewHeight is interpreted as a percentage of the original image.
	// An int can also be provided to mean the actual NewHeight.
	// A value of 0 indicates no change from the original height.
	NewHeight interface{}

	// NewWidth, when set, is the width of the image after the resize process.
	// If a float64 is provided, NewWidth is interpreted as a percentage of the original image.
	// An int can also be provided to mean the actual NewWidth.
	// A value of 0 indicates no change from the original width.
	NewWidth interface{}

	// TriangleConfig is called for each detected face. A *TriangleConfig must be returned to
	// modify the delaunay triangulation algorithm parameters.
	// If nil is returned, no triangulation is performed.
	//
	// facearea is the size of the detected face. You can calibrate the returned *TriangleConfig parameters based on
	// the area. The 5 most relevant parameters are BlurRadius, BlurFactor, EdgeFactor, PointRate and MaxPoints.
	//
	// QRank indicates the rank of all the "detected faces". If only one face is expected,
	// then you can return nil for all QRank > 0. If the Q value is _sufficiently_ low, you can
	// presume a false positive and also return nil.
	//
	// See: https://pkg.go.dev/github.com/esimov/triangle/v2#Processor
	TriangleConfig func(QRank, facearea int, Q float32, h, w int, c MaxPoints) *TriangleConfig

	// ResizeAlg sets which resizing algorithm to use.
	// The default is "Caire".
	ResizeAlg ResizeAlg
}

type ResizeAlg int

type TriangleConfig = triangle.Processor