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tray: Save icons on *nix platforms to PNG instead of BMP

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PNG has better compatibility with certain desktops.

This requires the stb_image_write header for PNG writing functionality.
This commit is contained in:
Frank Praznik
2025-08-26 23:20:41 -04:00
committed by Sam Lantinga
parent 285df94623
commit a904af1b43
4 changed files with 1814 additions and 4 deletions
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7
src/tray/unix/SDL_tray.c
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@@ -22,6 +22,7 @@
#include "SDL_internal.h"
#include "../SDL_tray_utils.h"
#include "../../video/SDL_stb_c.h"
#include <dlfcn.h>
#include <errno.h>
@@ -184,7 +185,7 @@ static bool new_tmp_filename(SDL_Tray *tray)
{
static int count = 0;
int would_have_written = SDL_asprintf(&tray->icon_path, "%s/%d.bmp", tray->icon_dir, count++);
int would_have_written = SDL_asprintf(&tray->icon_path, "%s/%d.png", tray->icon_dir, count++);
if (would_have_written >= 0) {
return true;
@@ -289,7 +290,7 @@ SDL_Tray *SDL_CreateTray(SDL_Surface *icon, const char *tooltip)
goto icon_dir_error;
}
SDL_SaveBMP(icon, tray->icon_path);
SDL_SavePNG(icon, tray->icon_path);
} else {
// allocate a dummy icon path
SDL_asprintf(&tray->icon_path, " ");
@@ -342,7 +343,7 @@ void SDL_SetTrayIcon(SDL_Tray *tray, SDL_Surface *icon)
/* AppIndicator caches the icon files; always change filename to avoid caching */
if (icon && new_tmp_filename(tray)) {
SDL_SaveBMP(icon, tray->icon_path);
SDL_SavePNG(icon, tray->icon_path);
app_indicator_set_icon(tray->indicator, tray->icon_path);
} else {
SDL_free(tray->icon_path);