v0.0.458 revert 457 and fix ObjectFitImage

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.455"
+const GoextVersion = "0.0.458"
 
-const GoextVersionTimestamp = "2024-05-16T15:38:42+0200"
+const GoextVersionTimestamp = "2024-05-20T00:15:24+0200"

imageext/image.go

@@ -234,11 +234,15 @@ func ObjectFitImage(img image.Image, bbw float64, bbh float64, fit ImageFit, fil
 
 		// we scale the bounding box by fac (both dimension the same amount, to keep the bounding-box ratio)
 
+		// [ow|oh] ==> size of output image (same ratio as bounding box [bbw|bbh])
+
 		ow := int(math.Round(bbw * facOut))
 		oh := int(math.Round(bbh * facOut))
 
 		facScale := mathext.Min(float64(ow)/float64(iw), float64(oh)/float64(ih))
 
+		// [dw|dh] ==> size of destination rect (where to draw source in output image) (same ratio as input image [iw|ih])
+
 		dw := int(math.Round(float64(iw) * facScale))
 		dh := int(math.Round(float64(ih) * facScale))
 
@@ -248,11 +252,11 @@ func ObjectFitImage(img image.Image, bbw float64, bbh float64, fit ImageFit, fil
 		if fit == ImageFitContainCenter {
 			destBounds = image.Rect((ow-dw)/2, (oh-dh)/2, (ow-dw)/2+dw, (oh-dh)/2+dh)
 		} else if fit == ImageFitContainTopLeft {
-			destBounds = image.Rect(0, 0, iw, dh)
+			destBounds = image.Rect(0, 0, dw, dh)
 		} else if fit == ImageFitContainTopRight {
-			destBounds = image.Rect(ow-iw, 0, ow, dh)
+			destBounds = image.Rect(ow-dw, 0, dw, dh)
 		} else if fit == ImageFitContainBottomLeft {
-			destBounds = image.Rect(0, oh-dh, iw, oh)
+			destBounds = image.Rect(0, oh-dh, dw, oh)
 		} else if fit == ImageFitContainBottomRight {
 			destBounds = image.Rect(ow-dw, oh-dh, ow, oh)
 		}

langext/array.go

@@ -59,6 +59,18 @@ func ArrUnique[T comparable](array []T) []T {
 	return result
 }
 
+func ArrUniqueStable[T comparable](array []T) []T {
+	hist := make(map[T]bool, len(array))
+	result := make([]T, 0, len(array))
+	for _, v := range array {
+		if _, ok := hist[v]; !ok {
+			hist[v] = true
+			result = append(result, v)
+		}
+	}
+	return result
+}
+
 func ArrEqualsExact[T comparable](arr1 []T, arr2 []T) bool {
 	if len(arr1) != len(arr2) {
 		return false