From 8a9e25cdac38f72cf9d561b8e4db0831b5ba7817 Mon Sep 17 00:00:00 2001
From: Greg Ercolano <erco@seriss.com>
Date: Tue, 23 Mar 2021 12:18:41 -0700
Subject: Optimization for pixel loop.

As per erco's comments on fltk.coredev, Mar 21 2021
in thread Subject: Re: 1.4 build failing on OSX for me
---
 src/drivers/PostScript/Fl_PostScript_image.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/drivers/PostScript')

diff --git a/src/drivers/PostScript/Fl_PostScript_image.cxx b/src/drivers/PostScript/Fl_PostScript_image.cxx
index 297f1f723..38b129e44 100644
--- a/src/drivers/PostScript/Fl_PostScript_image.cxx
+++ b/src/drivers/PostScript/Fl_PostScript_image.cxx
@@ -40,10 +40,11 @@ static void draw_image_cb(void *data, int x, int y, int w, uchar *buf) {
 
   cb_data = (struct callback_data*)data;
   int last = x+w;
+  const size_t aD = abs(cb_data->D);
   curdata = cb_data->data + x*cb_data->D + y*cb_data->LD;
   for (; x<last; x++) {
-    memcpy(buf, curdata, abs(cb_data->D));
-    buf += abs(cb_data->D);
+    memcpy(buf, curdata, aD);
+    buf += aD;
     curdata += cb_data->D;
   }
 }
-- 
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