sample cli

cmd/fisheyedewarp/main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"path/filepath"
+
+	"github.com/dev6699/fisheyedewarp"
+	"gocv.io/x/gocv"
+)
+
+var (
+	pfov  = flag.Float64("pfov", 120.0, "Output perspective field of view in degrees. Must be between 0 and 180.")
+	fov   = flag.Float64("fov", 180.0, "Input fisheye field of view in degrees. Must be between 0 and 180.")
+	img   = flag.String("img", "images/fisheye.jpg", "Path to the input fisheye image file.")
+	ptype = flag.String("ptype", string(fisheyedewarp.Linear), "Type of projection to apply. Options: 'Linear', 'EqualArea', 'Orthographic', 'Stereographic'")
+)
+
+func main() {
+	flag.Parse()
+
+	mat := gocv.IMRead(*img, gocv.IMReadColor)
+	if mat.Empty() {
+		panic("failed to read image")
+	}
+	defer mat.Close()
+
+	dewarped, err := fisheyedewarp.Dewarp(mat, *fov, *pfov, fisheyedewarp.ProjectionType(*ptype))
+	if err != nil {
+		panic(err)
+	}
+	defer dewarped.Close()
+
+	dir := filepath.Dir(*img)
+	filename := filepath.Base(*img)
+	ext := filepath.Ext(filename)
+	baseName := filename[:len(filename)-len(ext)]
+	newFilename := fmt.Sprintf("%s/%s_%s_%.0f_%.0f%s", dir, baseName, *ptype, *fov, *pfov, ext)
+	gocv.IMWrite(newFilename, *dewarped)
+}