metadata: Move file info and format to metadata

src/decoder/formats/mod.rs

@@ -23,35 +23,6 @@ pub use svg::{Svg, RSVG_MAX_SIZE};
 
 use super::{DecoderUpdate, UpdateSender};
 
-#[derive(Clone, Debug)]
-pub struct ImageFormat {
-    mime_type: glycin::MimeType,
-    name: String,
-}
-
-impl ImageFormat {
-    pub fn new(mime_type: glycin::MimeType, name: String) -> Self {
-        Self { mime_type, name }
-    }
-
-    pub fn is_svg(&self) -> bool {
-        matches!(
-            self.mime_type.as_str(),
-            "image/svg+xml" | "image/svg+xml-compressed"
-        )
-    }
-
-    pub fn is_potentially_transparent(&self) -> bool {
-        !matches!(self.mime_type.as_str(), "image/bmp" | "image/jpeg")
-    }
-}
-
-impl std::fmt::Display for ImageFormat {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
-        write!(f, "{}", self.name)
-    }
-}
-
 #[derive(Clone, Debug, Default)]
 pub enum ImageDimensionDetails {
     Svg(String),