[Poppler-bugs] [Bug 103136] [Regression] Cairo 1.14 downscaling very slow in poppler 0.60.1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103136

--- Comment #15 from Josiah Schwab <jschwab at gmail.com> ---
After 791e024, I was finally able to build poppler.

I made the following change (which I think what was being suggested) and while
things are still a bit slow compared to what I remember as the old behavior, it
is now usable for me.

 poppler/CairoOutputDev.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/poppler/CairoOutputDev.cc b/poppler/CairoOutputDev.cc
index bc83b807..ffb4a8ee 100644
--- a/poppler/CairoOutputDev.cc
+++ b/poppler/CairoOutputDev.cc
@@ -1970,7 +1970,7 @@ CairoOutputDev::getFilterForSurface(cairo_surface_t
*image,
                                    GBool interpolate)
 {
   if (interpolate)
-    return CAIRO_FILTER_BEST;
+    return CAIRO_FILTER_GOOD;

   int orig_width = cairo_image_surface_get_width (image);
   int orig_height = cairo_image_surface_get_height (image);
@@ -1990,7 +1990,7 @@ CairoOutputDev::getFilterForSurface(cairo_surface_t
*image,
   if (scaled_width / orig_width >= 4 || scaled_height / orig_height >= 4)
          return CAIRO_FILTER_NEAREST;

-  return CAIRO_FILTER_BEST;
+  return CAIRO_FILTER_GOOD;
 }

 void CairoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,

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