X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gtk2_ardour%2Ftape_region_view.cc;h=214686e8ff3dd56f39ad3172b9f2d491328f7fe5;hb=42b20f15a2e5d751582f4c467ffcbcbc9b71a59c;hp=6de7b65327149e9e0adf2ec051a641ef443aed27;hpb=0796ccfb652dd31ea1d94526e0e6d92863a972b0;p=ardour.git

diff --git a/gtk2_ardour/tape_region_view.cc b/gtk2_ardour/tape_region_view.cc
index 6de7b65327..214686e8ff 100644
--- a/gtk2_ardour/tape_region_view.cc
+++ b/gtk2_ardour/tape_region_view.cc
@@ -31,7 +31,7 @@
 #include "audio_time_axis.h"
 #include "gui_thread.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
 using namespace PBD;
@@ -46,7 +46,7 @@ const TimeAxisViewItem::Visibility TapeAudioRegionView::default_tape_visibility
 		TimeAxisViewItem::HideFrameRight |
 		TimeAxisViewItem::FullWidthNameHighlight);
 
-TapeAudioRegionView::TapeAudioRegionView (ArdourCanvas::Layout *parent, RouteTimeAxisView &tv,
+TapeAudioRegionView::TapeAudioRegionView (ArdourCanvas::Container *parent, RouteTimeAxisView &tv,
 					  boost::shared_ptr<AudioRegion> r,
 					  double spu,
 					  uint32_t basic_color)
@@ -82,12 +82,23 @@ void
 TapeAudioRegionView::update (uint32_t /*n*/)
 {
 	/* check that all waves are build and ready */
-
 	if (!tmp_waves.empty()) {
 		return;
 	}
 
 	ENSURE_GUI_THREAD (*this, &TapeAudioRegionView::update, n);
 	// CAIROCANVAS
-	// waves[n]->rebuild ();
+
+	/* this is a quick hack to draw something (abuse gain_changed to force
+	 * an image-cache invalidation.
+	 *
+	 * TODO: ArdourCanvas::WaveView needs an API to look up the specific channel "n"
+	 * and a special case to not only invalidate the cache but re-expose the
+	 * waveform. e.g.
+	 *
+	 * waves[m]->rebuild();  // where 'm' corresponds to channel 'n'.
+	 */
+	for (uint32_t i = 0; i < waves.size(); ++i) {
+		waves[i]->gain_changed ();
+	}
 }