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main-executable: handle drawable-based app icons by rendering them into SVG

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This commit is contained in:
Mis012
2025-06-21 01:22:29 +02:00
parent 1c83948b15
commit 2a0c6cd455
6 changed files with 63 additions and 13 deletions
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53
src/main-executable/main.c
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@@ -1,6 +1,7 @@
// for dladdr
#define _GNU_SOURCE
#include <cairo-svg.h>
#include <gdk/wayland/gdkwayland.h>
#include <gtk/gtk.h>
#include <libportal/portal.h>
@@ -176,6 +177,13 @@ static void dynamic_launcher_ready_callback(GObject *portal, GAsyncResult *res,
exit(0);
}
static cairo_status_t cairo_write_func_gstring(void *closure, const unsigned char *data, unsigned int length)
{
GString *str = closure;
g_string_append_len(str, (gchar *)data, length);
return CAIRO_STATUS_SUCCESS;
}
// this is exported by the shim bionic linker
void dl_parse_library_path(const char *path, char *delim);
@@ -561,17 +569,40 @@ static void open(GtkApplication *app, GFile **files, gint nfiles, const gchar *h
(*env)->ExceptionDescribe(env);
GVariant *icon_serialized = NULL;
if (app_icon_path && !d->install_internal) {
extract_from_apk(app_icon_path, app_icon_path);
char *app_icon_path_full = g_strdup_printf("%s/%s", app_data_dir, app_icon_path);
GMappedFile *icon_file = g_mapped_file_new(app_icon_path_full, FALSE, NULL);
GBytes *icon_bytes = g_mapped_file_get_bytes(icon_file);
GIcon *icon = g_bytes_icon_new(icon_bytes);
icon_serialized = g_icon_serialize(icon);
g_object_unref(icon);
g_bytes_unref(icon_bytes);
g_mapped_file_unref(icon_file);
g_free(app_icon_path_full);
if (!d->install_internal) {
if (app_icon_path) {
/* we can import the icon as-is */
extract_from_apk(app_icon_path, app_icon_path);
char *app_icon_path_full = g_strdup_printf("%s/%s", app_data_dir, app_icon_path);
GMappedFile *icon_file = g_mapped_file_new(app_icon_path_full, FALSE, NULL);
GBytes *icon_bytes = g_mapped_file_get_bytes(icon_file);
GIcon *icon = g_bytes_icon_new(icon_bytes);
icon_serialized = g_icon_serialize(icon);
g_object_unref(icon);
g_bytes_unref(icon_bytes);
g_mapped_file_unref(icon_file);
g_free(app_icon_path_full);
} else {
/* the icon is a generalized Drawable, let's render it into an SVG */
_SET_STATIC_BOOL_FIELD((*env)->FindClass(env, "android/graphics/drawable/VectorDrawable"), "direct_draw_override", true);
GdkPaintable *icon_paintable = _PTR((*env)->CallLongMethod(env, application_object, handle_cache.application.get_app_icon_paintable));
GString *svg_string = g_string_new("");
cairo_surface_t *svg_surface = cairo_svg_surface_create_for_stream(cairo_write_func_gstring, svg_string, 108, 108);
cairo_t *cr = cairo_create(svg_surface);
GdkSnapshot *snapshot = gtk_snapshot_new();
gdk_paintable_snapshot(icon_paintable, snapshot, 108, 108);
GskRenderNode *node = gtk_snapshot_to_node(snapshot);
gsk_render_node_draw(node, cr);
gsk_render_node_unref(node);
g_object_unref(snapshot);
cairo_destroy(cr);
cairo_surface_destroy(svg_surface);
GBytes *icon_bytes = g_string_free_to_bytes(svg_string);
GIcon *icon = g_bytes_icon_new(icon_bytes);
icon_serialized = g_icon_serialize(icon);
g_object_unref(icon);
g_bytes_unref(icon_bytes);
}
}
gchar *dest_name = g_strdup_printf("%s.apk", package_name);