From: Jan Schmidt <jan@centricular.com>
Date: Thu, 23 Nov 2017 14:37:48 +0000 (+1100)
Subject: 3dvideo example: Correct video overlay for HiDPI
X-Git-Tag: 1.16.2~955^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bbe084de9de605dd8c425633d0965837f7722c81;p=platform%2Fupstream%2Fgst-plugins-base.git

3dvideo example: Correct video overlay for HiDPI

Use the GTK scaling factor to scale the video allocation
so video displays correctly on hi-dpi screens
---

diff --git a/tests/examples/gl/gtk/3dvideo/main.cpp b/tests/examples/gl/gtk/3dvideo/main.cpp
index ec5951b1c..4f12b11cc 100644
--- a/tests/examples/gl/gtk/3dvideo/main.cpp
+++ b/tests/examples/gl/gtk/3dvideo/main.cpp
@@ -117,9 +117,16 @@ static gboolean
 resize_cb (GtkWidget * widget, GdkEvent * event, gpointer sink)
 {
   GtkAllocation allocation;
+  gint scale = 1;
+
+#if GTK_CHECK_VERSION(3, 10, 0)
+  scale = gtk_widget_get_scale_factor (widget);
+#endif
 
   gtk_widget_get_allocation (widget, &allocation);
-  gst_video_overlay_set_render_rectangle (GST_VIDEO_OVERLAY (sink), allocation.x, allocation.y, allocation.width, allocation.height);
+  gst_video_overlay_set_render_rectangle (GST_VIDEO_OVERLAY (sink),
+      allocation.x * scale, allocation.y * scale, allocation.width * scale,
+      allocation.height * scale);
 
   return G_SOURCE_CONTINUE;
 }