Direct and split strategies correct images.

Changes.txt

@@ -111,3 +111,5 @@ not done automatically.
 
 Added internal state variables ICET_NEED_BACKGROUND_CORRECTION,
 ICET_TRUE_BACKGROUND_COLOR, and ICET_TRUE_BACKGROUND_COLOR_WORD.
+
+icetImageCorrectBackground function.

src/strategies/direct.c

@@ -84,5 +84,9 @@ IceTImage icetDirectCompose(void)
         icetClearImage(image);
     }
 
+    if (display_tile >= 0) {
+        icetImageCorrectBackground(image);
+    }
+
     return image;
 }

src/strategies/split.c

@@ -60,6 +60,8 @@ static void icetCollectImage(IceTImage imageFragment,
     color_format = icetImageGetColorFormat(imageFragment);
     depth_format = icetImageGetDepthFormat(imageFragment);
 
+    icetImageCorrectBackground(imageFragment);
+
     icetTimingCollectBegin();
 
     if (color_format != ICET_IMAGE_COLOR_NONE) {