- Plugin::Display_Image_Surface* dis = _plug->render_inline_display (width, _max_height);
- if (!dis) {
- return 0;
- }
-
- /* allocate a local image-surface,
- * We cannot re-use the data via cairo_image_surface_create_for_data(),
- * since pixman keeps a reference to it.
- * we'd need to hand over the data and ha cairo_surface_destroy to free it.
- * it might be possible to work around via cairo_surface_set_user_data().
- */
- if (!_surf
- || dis->width != cairo_image_surface_get_width (_surf)
- || dis->height != cairo_image_surface_get_height (_surf)
- ) {
- if (_surf) {
- cairo_surface_destroy (_surf);
- }
- _surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dis->width, dis->height);
- }
-
- if (cairo_image_surface_get_stride (_surf) == dis->stride) {
- memcpy (cairo_image_surface_get_data (_surf), dis->data, dis->stride * dis->height);
- } else {
- unsigned char *src = dis->data;
- unsigned char *dst = cairo_image_surface_get_data (_surf);
- const int dst_stride = cairo_image_surface_get_stride (_surf);
- for (int y = 0; y < dis->height; ++y) {
- memcpy (dst, src, dis->width * 4 /*ARGB32*/);
- src += dis->stride;
- dst += dst_stride;
- }
- }
-
- cairo_surface_flush(_surf);
- cairo_surface_mark_dirty(_surf);
- const double xc = floor ((width - dis->width) * .5);
- cairo_set_source_surface(cr, _surf, xc, 0);
- cairo_paint (cr);
-
- return dis->height;
-}
-
-bool
-ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
-{
- Gtk::Allocation a = get_allocation();
- double const width = a.get_width();
- double const height = a.get_height();
-
- cairo_t* cr = gdk_cairo_create (get_window()->gobj());
- cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
- cairo_clip (cr);
-
- Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
- cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
- cairo_rectangle (cr, 0, 0, width, height);
- cairo_fill (cr);
-
- cairo_save (cr);
- cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
- Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
- cairo_clip (cr);
- cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
-
- uint32_t ht = render_inline (cr, width);
- cairo_restore (cr);
-
- if (ht == 0) {
- hide ();
- if (_cur_height != 1) {
- _cur_height = 1;
- queue_resize ();
- }
- cairo_destroy (cr);
- return true;
- } else {
- update_height_alloc (ht);
- }
-
- bool failed = false;
- std::string name = get_name();
- ArdourCanvas::Color fill_color = UIConfiguration::instance().color (string_compose ("%1: fill active", name), &failed);
-
- Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
- cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
- cairo_set_line_width(cr, 1.0);
- ArdourCanvas::set_source_rgb_a (cr, fill_color, 1.0);
- cairo_stroke (cr);
-
- cairo_destroy(cr);
- return true;