Experimental inline display added.

1 files changed, 39 insertions, 0 deletions

diff --git a/pluginlv2.cc b/pluginlv2.cc
index 39d0e6c..c264223 100644
--- a/pluginlv2.cc
+++ b/pluginlv2.cc
@@ -114,6 +114,13 @@ LV2_Handle PluginLV2::instantiate(const struct _LV2_Descriptor* descriptor,
 			plugin_lv2->map = (LV2_URID_Map*)data;
 		}
 
+#ifdef DISPLAY_INTERFACE
+		if(uri == LV2_INLINEDISPLAY__queue_draw)
+		{
+			plugin_lv2->queue_draw = (LV2_Inline_Display*)data;
+		}
+#endif
+
 		++features;
 	}
 
@@ -348,6 +355,13 @@ void PluginLV2::run(LV2_Handle instance, uint32_t sample_count)
 	}
 
 	plugin_lv2->pos += sample_count;
+
+#ifdef DISPLAY_INTERFACE
+	if(plugin_lv2->queue_draw)
+	{
+		plugin_lv2->queue_draw->queue_draw(plugin_lv2->queue_draw->handle);
+	}
+#endif
 }
 
 void PluginLV2::activate(LV2_Handle instance)
@@ -440,6 +454,23 @@ static LV2_State_Interface persist = {
 	PluginLV2::restore
 };
 
+LV2_Inline_Display_Image_Surface* PluginLV2::inlineRender(LV2_Handle instance,
+                                                          uint32_t w,
+                                                          uint32_t max_h)
+{
+	PluginLV2* plugin_lv2 = (PluginLV2*)instance;
+
+	plugin_lv2->onInlineRedraw(w, max_h, plugin_lv2->drawContext);
+
+	plugin_lv2->surf.width = plugin_lv2->drawContext.width;
+	plugin_lv2->surf.height = plugin_lv2->drawContext.height;
+	plugin_lv2->surf.stride = plugin_lv2->surf.width; // no padding
+
+	plugin_lv2->surf.data = plugin_lv2->drawContext.data;
+
+	return &plugin_lv2->surf;
+}
+
 const void* PluginLV2::extensionData(const char *uri)
 {
 	if(!strcmp(uri, LV2_STATE__interface))
@@ -447,6 +478,14 @@ const void* PluginLV2::extensionData(const char *uri)
 		return &persist;
 	}
 
+#ifdef DISPLAY_INTERFACE
+	static const LV2_Inline_Display_Interface display  = { inlineRender };
+	if(!strcmp(uri, LV2_INLINEDISPLAY__interface))
+	{
+		return &display;
+	}
+#endif
+
 	return nullptr;
 }