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Add ability to use different thumbnail sizes

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Přemysl Eric Janouch
2021-11-21 16:03:54 +01:00
parent f4b727589b
commit 2b17ed838a
4 changed files with 341 additions and 167 deletions
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50
fastiv-io.c
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@@ -102,6 +102,29 @@ fastiv_io_all_supported_media_types(void)
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
GType
fastiv_io_thumbnail_size_get_type(void)
{
static gsize guard;
if (g_once_init_enter(&guard)) {
#define XX(name, value, dir) {FASTIV_IO_THUMBNAIL_SIZE_ ## name, \
"FASTIV_IO_THUMBNAIL_SIZE_" #name, #name},
static const GEnumValue values[] = {FASTIV_IO_THUMBNAIL_SIZES(XX) {}};
#undef XX
GType type = g_enum_register_static(
g_intern_static_string("FastivIoThumbnailSize"), values);
g_once_init_leave(&guard, type);
}
return guard;
}
#define XX(name, value, dir) {FASTIV_IO_THUMBNAIL_SIZE_ ## name, dir},
FastivIoThumbnailSizeInfo fastiv_io_thumbnail_sizes[] = {
FASTIV_IO_THUMBNAIL_SIZES(XX) {}};
#undef XX
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#define FASTIV_IO_ERROR fastiv_io_error_quark()
G_DEFINE_QUARK(fastiv-io-error-quark, fastiv_io_error)
@@ -981,8 +1004,20 @@ fail_init:
}
cairo_surface_t *
fastiv_io_lookup_thumbnail(const gchar *target)
fastiv_io_lookup_thumbnail(const gchar *target, FastivIoThumbnailSize size)
{
// TODO(p): Consider having linear enum constants,
// and using a trivial lookup table. This is ridiculous.
int size_index = 0;
while (fastiv_io_thumbnail_sizes[size_index].size &&
fastiv_io_thumbnail_sizes[size_index].size < size)
size_index++;
int size_count = size_index;
while (fastiv_io_thumbnail_sizes[size_count].size)
size_count++;
g_return_val_if_fail(fastiv_io_thumbnail_sizes[size_index].size, NULL);
GStatBuf st;
if (g_stat(target, &st))
return NULL;
@@ -997,17 +1032,22 @@ fastiv_io_lookup_thumbnail(const gchar *target)
gchar *cache_dir = get_xdg_home_dir("XDG_CACHE_HOME", ".cache");
cairo_surface_t *result = NULL;
const gchar *sizes[] = {"large", "x-large", "xx-large", "normal"};
GError *error = NULL;
for (gsize i = 0; !result && i < G_N_ELEMENTS(sizes); i++) {
gchar *path = g_strdup_printf(
"%s/thumbnails/%s/%s.png", cache_dir, sizes[i], sum);
for (int i = 0; i < size_count; i++) {
int size_use = size_index + i;
if (size_use >= size_count)
size_use = size_count - i - 1;
gchar *path = g_strdup_printf("%s/thumbnails/%s/%s.png", cache_dir,
fastiv_io_thumbnail_sizes[size_use].directory_name, sum);
result = read_spng_thumbnail(path, uri, st.st_mtim.tv_sec, &error);
if (error) {
g_debug("%s: %s", path, error->message);
g_clear_error(&error);
}
g_free(path);
if (result)
break;
}
g_free(cache_dir);