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Add a command line option to extract thumbnails

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Only use LibRaw for now, which probably has the most impact
using the least amount of effort.
This commit is contained in:
Přemysl Eric Janouch
2022-06-07 04:21:04 +02:00
parent 930744e165
commit 8dfbd0dee2
4 changed files with 160 additions and 70 deletions
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9
fiv-thumbnail.h
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@@ -55,10 +55,13 @@ extern cairo_user_data_key_t fiv_thumbnail_key_lq;
/// Returns this user's root thumbnail directory.
gchar *fiv_thumbnail_get_root(void);
/// Attempts to extract any low-quality thumbnail from fast targets.
cairo_surface_t *fiv_thumbnail_extract(GFile *target, GError **error);
/// Generates wide thumbnails of up to the specified size, saves them in cache.
/// Returns the surface used for the maximum size (if the pointer was NULL).
gboolean fiv_thumbnail_produce(GFile *target, FivThumbnailSize max_size,
cairo_surface_t **max_size_surface, GError **error);
/// Returns the surface used for the maximum size, or an error.
cairo_surface_t *fiv_thumbnail_produce(
GFile *target, FivThumbnailSize max_size, GError **error);
/// Retrieves a thumbnail of the most appropriate quality and resolution
/// for the target file.