Speedup filtering and panning

1 files changed, 6 insertions, 2 deletions

diff --git a/src/display/sp-canvas.cpp b/src/display/sp-canvas.cpp
index 88fec767f..4bff9865a 100644
--- a/src/display/sp-canvas.cpp
+++ b/src/display/sp-canvas.cpp
@@ -2119,8 +2119,9 @@ int SPCanvas::paintRectInternal(PaintRectSetup const *setup, Geom::IntRect const
     // Find the optimal buffer dimensions
     int bw = this_rect.width();
     int bh = this_rect.height();
+    // we dont want to stop the idle process if the area is empty
     if ((bw < 1) || (bh < 1))
-        return 0;
+        return 1;
 
     if (bw * bh < setup->max_pixels) {
         // We are small enough
@@ -2207,7 +2208,10 @@ bool SPCanvas::paintRect(int xx0, int yy0, int xx1, int yy1)
     Geom::IntRect paint_rect(xx0, yy0, xx1, yy1);
 
     Geom::OptIntRect area = paint_rect & canvas_rect;
-    if (!area || area->hasZeroArea()) return false;
+    // we dont want to stop the idle process if the area is empty
+    if (!area || area->hasZeroArea()) {
+        return true;
+    }
     paint_rect = *area;
 
     PaintRectSetup setup;