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add some upgrade comments (#457)

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these document improvements and/or removal of unnecessary code for when
we will require a higher minimum version of Imlib2.

all the comments have been prefixed with "UPGRADE: " for easy grepping.

Reviewed-on: https://codeberg.org/nsxiv/nsxiv/pulls/457
Reviewed-by: explosion-mental <explosion-mental@noreply.codeberg.org>
This commit is contained in:
NRK 2023-07-08 07:05:57 +00:00
parent 9b122c82fa
commit c1b36b8f09
3 changed files with 5 additions and 1 deletions
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3
image.c
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@ -563,6 +563,8 @@ Imlib_Image img_open(const fileinfo_t *file)
{
imlib_context_set_image(im);
}
/* UPGRADE: Imlib2 v1.10.0: better error reporting with
* imlib_get_error() + imlib_strerror() */
if (im == NULL && (file->flags & FF_WARN))
error(0, 0, "%s: Error opening image", file->name);
return im;
@ -581,6 +583,7 @@ bool img_load(img_t *img, const fileinfo_t *file)
*/
imlib_image_set_changes_on_disk();
/* UPGRADE: Imlib2 v1.7.5: remove these exif related ifdefs */
/* since v1.7.5, Imlib2 can parse exif orientation from jpeg files.
* this version also happens to be the first one which defines the
* IMLIB2_VERSION macro.

2
nsxiv.h
View file

@ -159,7 +159,7 @@ typedef keymap_t button_t;
/* image.c */
#ifdef IMLIB2_VERSION
#ifdef IMLIB2_VERSION /* UPGRADE: Imlib2 v1.8.0: remove all HAVE_IMLIB2_MULTI_FRAME ifdefs */
#if IMLIB2_VERSION >= IMLIB2_VERSION_(1, 8, 0)
#define HAVE_IMLIB2_MULTI_FRAME 1
#endif

1
thumbs.c
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@ -268,6 +268,7 @@ bool tns_load(tns_t *tns, int n, bool force, bool cache_only)
char tmppath[] = "/tmp/nsxiv-XXXXXX";
Imlib_Image tmpim;
/* UPGRADE: Imlib2 v1.10.0: avoid tempfile and use imlib_load_image_mem() */
if ((ed = exif_data_new_from_file(file->path)) != NULL) {
if (ed->data != NULL && ed->size > 0 &&
(tmpfd = mkstemp(tmppath)) >= 0)