From c1e1926ac00b5eee989e0807be0528452e651dbf Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Fri, 5 Feb 2016 07:54:16 -0500
Subject: [PATCH] Remove unneeded image clone

---
 MagickCore/image.c | 36 ++++++++++++++----------------------
 1 file changed, 14 insertions(+), 22 deletions(-)

diff --git a/MagickCore/image.c b/MagickCore/image.c
index a48365c4d..690b3871f 100644
--- a/MagickCore/image.c
+++ b/MagickCore/image.c
@@ -531,28 +531,21 @@ MagickExport Image *AppendImages(const Image *images,
     CacheView
       *image_view;
 
-    Image
-      *image;
-
     MagickBooleanType
       proceed;
 
-    image=CloneImage(next,0,0,MagickTrue,exception);
-    if (image == (Image *) NULL)
-      break;
-    (void) TransformImageColorspace(image,append_image->colorspace,exception);
     SetGeometry(append_image,&geometry);
-    GravityAdjustGeometry(image->columns,image->rows,image->gravity,&geometry);
+    GravityAdjustGeometry(next->columns,next->rows,next->gravity,&geometry);
     if (stack != MagickFalse)
       x_offset-=geometry.x;
     else
       y_offset-=geometry.y;
-    image_view=AcquireVirtualCacheView(image,exception);
+    image_view=AcquireVirtualCacheView(next,exception);
 #if defined(MAGICKCORE_OPENMP_SUPPORT)
     #pragma omp parallel for schedule(static,4) shared(status) \
-      magick_threads(image,image,image->rows,1)
+      magick_threads(next,next,next->rows,1)
 #endif
-    for (y=0; y < (ssize_t) image->rows; y++)
+    for (y=0; y < (ssize_t) next->rows; y++)
     {
       MagickBooleanType
         sync;
@@ -571,27 +564,27 @@ MagickExport Image *AppendImages(const Image *images,
 
       if (status == MagickFalse)
         continue;
-      p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
+      p=GetCacheViewVirtualPixels(image_view,0,y,next->columns,1,exception);
       q=QueueCacheViewAuthenticPixels(append_view,x_offset,y+y_offset,
-        image->columns,1,exception);
+        next->columns,1,exception);
       if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL))
         {
           status=MagickFalse;
           continue;
         }
-      GetPixelInfo(image,&pixel);
-      for (x=0; x < (ssize_t) image->columns; x++)
+      GetPixelInfo(next,&pixel);
+      for (x=0; x < (ssize_t) next->columns; x++)
       {
-        if (GetPixelReadMask(image,p) == 0)
+        if (GetPixelReadMask(next,p) == 0)
           {
             SetPixelBackgoundColor(append_image,q);
-            p+=GetPixelChannels(image);
+            p+=GetPixelChannels(next);
             q+=GetPixelChannels(append_image);
             continue;
           }
-        GetPixelInfoPixel(image,p,&pixel);
+        GetPixelInfoPixel(next,p,&pixel);
         SetPixelViaPixelInfo(append_image,&pixel,q);
-        p+=GetPixelChannels(image);
+        p+=GetPixelChannels(next);
         q+=GetPixelChannels(append_image);
       }
       sync=SyncCacheViewAuthenticPixels(append_view,exception);
@@ -601,15 +594,14 @@ MagickExport Image *AppendImages(const Image *images,
     image_view=DestroyCacheView(image_view);
     if (stack == MagickFalse)
       {
-        x_offset+=(ssize_t) image->columns;
+        x_offset+=(ssize_t) next->columns;
         y_offset=0;
       }
     else
       {
         x_offset=0;
-        y_offset+=(ssize_t) image->rows;
+        y_offset+=(ssize_t) next->rows;
       }
-    image=DestroyImage(image);
     proceed=SetImageProgress(append_image,AppendImageTag,n,number_images);
     if (proceed == MagickFalse)
       break;
-- 
2.40.0