desktop: move tiled rendering debug code from sw

So that the size / position is more clear in other apps as well.

Change-Id: If1fd9ac8e6ddc83b41c06e3b88ae34765a5c7c75

1 files changed, 13 insertions, 0 deletions

diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index 3acb7bf1f0c7..4aea3d044c4e 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -628,6 +628,19 @@ void doc_paintTile (LibreOfficeKitDocument* pThis,
     (void) pRowStride;
 #endif
 
+    static bool bDebug = getenv("LOK_DEBUG") != 0;
+    if (bDebug)
+    {
+        // Draw a small red rectangle in the top left corner so that it's easy to see where a new tile begins.
+        Rectangle aRect(0, 0, 5, 5);
+        aRect = aDevice.PixelToLogic(aRect);
+        aDevice.Push(PushFlags::FILLCOLOR | PushFlags::LINECOLOR);
+        aDevice.SetFillColor(COL_LIGHTRED);
+        aDevice.SetLineColor();
+        aDevice.DrawRect(aRect);
+        aDevice.Pop();
+    }
+
 #else
     (void) pBuffer;
     (void) nCanvasWidth;