diff options
| -rw-r--r-- | gdk-pixbuf/gdk-pixbuf-core.h | 3 | ||||
| -rw-r--r-- | gdk-pixbuf/gdk-pixbuf.c | 66 |
2 files changed, 69 insertions, 0 deletions
diff --git a/gdk-pixbuf/gdk-pixbuf-core.h b/gdk-pixbuf/gdk-pixbuf-core.h index 30ef57ede..ae3bf1a8b 100644 --- a/gdk-pixbuf/gdk-pixbuf-core.h +++ b/gdk-pixbuf/gdk-pixbuf-core.h @@ -537,6 +537,9 @@ GdkPixbuf *gdk_pixbuf_apply_embedded_orientation (GdkPixbuf *src); GDK_PIXBUF_AVAILABLE_IN_ALL const gchar * gdk_pixbuf_get_option (GdkPixbuf *pixbuf, const gchar *key); +GDK_PIXBUF_AVAILABLE_IN_2_36 +gboolean gdk_pixbuf_remove_option (GdkPixbuf *pixbuf, + const gchar *key); GDK_PIXBUF_AVAILABLE_IN_2_32 GHashTable * gdk_pixbuf_get_options (GdkPixbuf *pixbuf); GDK_PIXBUF_AVAILABLE_IN_2_36 diff --git a/gdk-pixbuf/gdk-pixbuf.c b/gdk-pixbuf/gdk-pixbuf.c index 8b0dad7d0..e7e389dc1 100644 --- a/gdk-pixbuf/gdk-pixbuf.c +++ b/gdk-pixbuf/gdk-pixbuf.c @@ -970,6 +970,72 @@ gdk_pixbuf_get_options (GdkPixbuf *pixbuf) } /** + * gdk_pixbuf_remove_option: + * @pixbuf: a #GdkPixbuf + * @key: a nul-terminated string representing the key to remove. + * + * Remove the key/value pair option attached to a #GdkPixbuf. + * + * Return value: %TRUE if an option was removed, %FALSE if not. + * + * Since: 2.36 + **/ +gboolean +gdk_pixbuf_remove_option (GdkPixbuf *pixbuf, + const gchar *key) +{ + GQuark quark; + gchar **options; + guint n; + GPtrArray *array; + gboolean found; + + g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), FALSE); + g_return_val_if_fail (key != NULL, FALSE); + + quark = g_quark_from_static_string ("gdk_pixbuf_options"); + + options = g_object_get_qdata (G_OBJECT (pixbuf), quark); + if (!options) + return FALSE; + + g_object_steal_qdata (G_OBJECT (pixbuf), quark); + + /* There's at least a nul-terminator */ + array = g_ptr_array_new_full (1, g_free); + + found = FALSE; + for (n = 0; options[2*n]; n++) { + if (strcmp (options[2*n], key) != 0) { + g_ptr_array_add (array, g_strdup (options[2*n])); /* key */ + g_ptr_array_add (array, g_strdup (options[2*n+1])); /* value */ + } else { + found = TRUE; + } + } + + if (array->len == 0) { + g_ptr_array_unref (array); + g_strfreev (options); + return found; + } + + if (!found) { + g_ptr_array_free (array, TRUE); + g_object_set_qdata_full (G_OBJECT (pixbuf), quark, + options, (GDestroyNotify) g_strfreev); + return FALSE; + } + + g_ptr_array_add (array, NULL); + g_object_set_qdata_full (G_OBJECT (pixbuf), quark, + g_ptr_array_free (array, FALSE), (GDestroyNotify) g_strfreev); + g_strfreev (options); + + return TRUE; +} + +/** * gdk_pixbuf_set_option: * @pixbuf: a #GdkPixbuf * @key: a nul-terminated string. |