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efreet: use exponential scale for icon size search 

fd.o spec wants us to use linear distance for icon size search. But
f.ex. when searching for a 128px icon, and the available is 48px and
256px, 256px would be preferable as 256/128 is 2 and 128/48 is 2.67

SVN revision: 48918
This commit is contained in:
Sebastian Dransfeld 2010-05-16 18:41:56 +00:00
parent 8bbc3b9024
commit 31fa5a1e1d
1 changed files with 11 additions and 4 deletions
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15
legacy/efreet/src/lib/efreet_icon.c
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@ -56,7 +56,7 @@ static char *efreet_icon_fallback_dir_scan(const char *dir,
static char *efreet_icon_lookup_directory(Efreet_Icon_Theme *theme,
Efreet_Icon_Theme_Directory *dir,
const char *icon_name);
static int efreet_icon_directory_size_distance(Efreet_Icon_Theme_Directory *dir,
static double efreet_icon_directory_size_distance(Efreet_Icon_Theme_Directory *dir,
unsigned int size);
static int efreet_icon_directory_size_match(Efreet_Icon_Theme_Directory *dir,
unsigned int size);
@ -672,7 +672,7 @@ efreet_icon_lookup_icon(Efreet_Icon_Theme *theme, const char *icon_name,
Eina_List *l;
char *icon = NULL, *tmp = NULL;
Efreet_Icon_Theme_Directory *dir;
int minimal_size = INT_MAX;
double minimal_size = INT_MAX;
if (!theme || (theme->paths == NULL) || !icon_name || !size)
return NULL;
@ -696,7 +696,7 @@ efreet_icon_lookup_icon(Efreet_Icon_Theme *theme, const char *icon_name,
/* search for any icon that matches */
EINA_LIST_FOREACH(theme->directories, l, dir)
{
int distance;
double distance;
distance = efreet_icon_directory_size_distance(dir, size);
if (distance >= minimal_size) continue;
@ -775,7 +775,7 @@ efreet_icon_directory_size_match(Efreet_Icon_Theme_Directory *dir,
* @return Returns the distance this size is away from the desired size
* @brief Returns the distance the given size is away from the desired size
*/
static int
static double
efreet_icon_directory_size_distance(Efreet_Icon_Theme_Directory *dir,
unsigned int size)
{
@ -794,10 +794,17 @@ efreet_icon_directory_size_distance(Efreet_Icon_Theme_Directory *dir,
if (dir->type == EFREET_ICON_SIZE_TYPE_THRESHOLD)
{
#ifdef STRICT_SPEC
if (size < (dir->size.normal - dir->size.threshold))
return (dir->size.min - size);
if ((dir->size.normal + dir->size.threshold) < size)
return (size - dir->size.max);
#else
if (size < (dir->size.normal - dir->size.threshold))
return (dir->size.min / (double)size);
if ((dir->size.normal + dir->size.threshold) < size)
return (size / (double)dir->size.max);
#endif
return 0;
}