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metadata: Drop unreliable mime-type

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Only use a reliable mime-type. This requires that we load images earlier
in the pipe.

This also fixes warnings about mime types not being available on network
drives like SMB.

Fixes #513
Issue #534
This commit is contained in:
Sophie Herold 2025-12-03 22:35:13 +01:00
parent 40d68e898d
commit 3b11b0534e
8 changed files with 57 additions and 68 deletions
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16
src/metadata.rs
View file

@ -116,25 +116,11 @@ impl Metadata {
self.mime_type.clone()
}
/// Unreliable mime type
///
/// Before the image is successfully loaded, this mime type might be wrong
/// since it is not yet based on the more complex mime type detection used
/// by glyin.
pub fn unreliable_mime_type(&self) -> Option<String> {
self.mime_type().or_else(|| {
self.file_info
.as_ref()
.and_then(|x| x.mime_type.as_ref())
.map(|x| x.to_string())
})
}
pub fn format_name(&self) -> Option<String> {
self.image_info
.as_ref()
.and_then(|x| x.info_format_name().map(|x| x.to_string()))
.or_else(|| self.unreliable_mime_type())
.or_else(|| self.mime_type())
}
pub fn alpha_channel(&self) -> Option<bool> {