Rename flip orientations to make them more explicit

src/dynimage.rs

@@ -931,8 +931,8 @@ impl DynamicImage {
             Orientation::Rotate90 => Ok(*image = image.rotate90()),
             Orientation::Rotate180 => Ok(image.rotate180_in_place()),
             Orientation::Rotate270 => Ok(*image = image.rotate270()),
-            Orientation::FlipH => Ok(image.fliph_in_place()),
-            Orientation::FlipV => Ok(image.flipv_in_place()),
+            Orientation::FlipHorizontal => Ok(image.fliph_in_place()),
+            Orientation::FlipVertical => Ok(image.flipv_in_place()),
             Orientation::Rotate90FlipH => {
                 let mut new_image = image.rotate90();
                 new_image.fliph_in_place();

src/orientation.rs

@@ -13,9 +13,9 @@ pub enum Orientation {
     /// Rotate by 90 degrees clockwise.
     Rotate270,
     /// Flip horizontally. Can be performed in-place.
-    FlipH,
+    FlipHorizontal,
     /// Flip vertically. Can be performed in-place.
-    FlipV,
+    FlipVertical,
     /// Rotate by 90 degrees clockwise and flip horizontally.
     Rotate90FlipH,
     /// Rotate by 270 degrees clockwise and flip horizontally.
@@ -27,9 +27,9 @@ impl Orientation {
     pub fn from_exif(exif_orientation: u8) -> Option<Self> {
         match exif_orientation {
             1 => Some(Self::NoTransforms),
-            2 => Some(Self::FlipH),
+            2 => Some(Self::FlipHorizontal),
             3 => Some(Self::Rotate180),
-            4 => Some(Self::FlipV),
+            4 => Some(Self::FlipVertical),
             5 => Some(Self::Rotate90FlipH),
             6 => Some(Self::Rotate90),
             7 => Some(Self::Rotate90FlipH),