Add static void Fl_Surface_Device::push_current(Fl_Surface_Device *new_current) and pop_current() to set/unset the current drawing surface.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12140 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 2 insertions, 3 deletions

diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
index 7ecb5471e..96f8b0685 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_image.cxx
@@ -714,10 +714,9 @@ void Fl_Xlib_Graphics_Driver::draw(Fl_RGB_Image *img, int XP, int YP, int WP, in
       depth |= FL_IMAGE_WITH_ALPHA;
     }
     if (surface) {
-      Fl_Surface_Device *old_surf = Fl_Surface_Device::surface();
-      surface->set_current();
+      Fl_Surface_Device::push_current(surface);
       fl_draw_image(img->array, 0, 0, img->w(), img->h(), depth, img->ld());
-      old_surf->set_current();
+      Fl_Surface_Device::pop_current();
       *Fl_Graphics_Driver::id(img) = surface->get_offscreen_before_delete();
       delete surface;
     }