From 132daac42d49e14686b05e8dad64b3652084d240 Mon Sep 17 00:00:00 2001
From: Shyouzou Sugitani <shy@users.sourceforge.jp>
Date: Wed, 13 Jun 2012 23:44:11 +0900
Subject: [PATCH] add a foreign type for cairo_region_t.

* the patch in https://bugs.freedesktop.org/show_bug.cgi?id=44336
  is required for pycairo

Bug: https://bugzilla.gnome.org/show_bug.cgi?id=667959
Bug-Ubuntu: https://launchpad.net/bugs/1028115
---
 gi/pygi-foreign-cairo.c |   44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

Index: pygobject/gi/pygi-foreign-cairo.c
===================================================================
--- pygobject.orig/gi/pygi-foreign-cairo.c
+++ pygobject/gi/pygi-foreign-cairo.c
@@ -368,6 +368,46 @@ cairo_pattern_from_gvalue (const GValue
 }
 
 
+#if PY_VERSION_HEX >= 0x03000000
+static PyObject *
+cairo_region_to_arg (PyObject        *value,
+                     GIInterfaceInfo *interface_info,
+                     GITransfer       transfer,
+                     GIArgument      *arg)
+{
+    cairo_region_t *region;
+
+    g_assert (transfer == GI_TRANSFER_NOTHING);
+
+    region = ( (PycairoRegion*) value)->region;
+    if (!region) {
+        PyErr_SetString (PyExc_ValueError, "Region instance wrapping a NULL region");
+        return NULL;
+    }
+
+    arg->v_pointer = region;
+    Py_RETURN_NONE;
+}
+
+static PyObject *
+cairo_region_from_arg (GIInterfaceInfo *interface_info, gpointer data)
+{
+    cairo_region_t *region = (cairo_region_t*) data;
+
+    cairo_region_reference (region);
+
+    return PycairoRegion_FromRegion (region);
+}
+
+static PyObject *
+cairo_region_release (GIBaseInfo *base_info,
+                      gpointer    struct_)
+{
+    cairo_region_destroy ( (cairo_region_t*) struct_);
+    Py_RETURN_NONE;
+}
+#endif
+
 static PyMethodDef _gi_cairo_functions[] = { {0,} };
 PYGLIB_MODULE_START(_gi_cairo, "_gi_cairo")
 {
@@ -406,6 +446,14 @@ PYGLIB_MODULE_START(_gi_cairo, "_gi_cair
                                   cairo_font_options_from_arg,
                                   cairo_font_options_release);
 
+#if PY_VERSION_HEX >= 0x03000000
+    pygi_register_foreign_struct ("cairo",
+                                  "Region",
+                                  cairo_region_to_arg,
+                                  cairo_region_from_arg,
+                                  cairo_region_release);
+#endif
+
     pyg_register_gtype_custom (CAIRO_GOBJECT_TYPE_CONTEXT,
                                cairo_context_from_gvalue,
                                cairo_context_to_gvalue);