[gimp] modules: migrate display filters to new iterator api

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 41e8035635292ce09007bf8f5fdaf9cc960c60e8
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Sep 11 01:37:01 2018 +0200

    modules: migrate display filters to new iterator api

 modules/display-filter-clip-warning.c  | 13 +++++++------
 modules/display-filter-color-blind.c   |  5 +++--
 modules/display-filter-gamma.c         |  5 +++--
 modules/display-filter-high-contrast.c |  5 +++--
 4 files changed, 16 insertions(+), 12 deletions(-)
---
diff --git a/modules/display-filter-clip-warning.c b/modules/display-filter-clip-warning.c
index 0e140df15c..71e92736c2 100644
--- a/modules/display-filter-clip-warning.c
+++ b/modules/display-filter-clip-warning.c
@@ -20,6 +20,7 @@
 
 #include <string.h>
 
+#define GEGL_ITERATOR2_API
 #include <gegl.h>
 #include <gtk/gtk.h>
 
@@ -353,14 +354,14 @@ cdisplay_clip_warning_convert_buffer (GimpColorDisplay *display,
 
   iter = gegl_buffer_iterator_new (buffer, area, 0,
                                    babl_format ("R'G'B'A float"),
-                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE);
+                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE, 1);
 
   while (gegl_buffer_iterator_next (iter))
     {
-      gfloat *data  = iter->data[0];
+      gfloat *data  = iter->items[0].data;
       gint    count = iter->length;
-      gint    x     = iter->roi[0].x;
-      gint    y     = iter->roi[0].y;
+      gint    x     = iter->items[0].roi.x;
+      gint    y     = iter->items[0].roi.y;
 
       while (count--)
         {
@@ -406,9 +407,9 @@ cdisplay_clip_warning_convert_buffer (GimpColorDisplay *display,
 
           data += 4;
 
-          if (++x == iter->roi[0].x + iter->roi[0].width)
+          if (++x == iter->items[0].roi.x + iter->items[0].roi.width)
             {
-              x = iter->roi[0].x;
+              x = iter->items[0].roi.x;
               y++;
             }
         }
diff --git a/modules/display-filter-color-blind.c b/modules/display-filter-color-blind.c
index aee9df704c..604f3f0d10 100644
--- a/modules/display-filter-color-blind.c
+++ b/modules/display-filter-color-blind.c
@@ -29,6 +29,7 @@
 
 #include <string.h>
 
+#define GEGL_ITERATOR2_API
 #include <gegl.h>
 #include <gtk/gtk.h>
 
@@ -330,11 +331,11 @@ cdisplay_colorblind_convert_buffer (GimpColorDisplay *display,
 
   iter = gegl_buffer_iterator_new (buffer, area, 0,
                                    babl_format ("RGBA float") /* linear! */,
-                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE);
+                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE, 1);
 
   while (gegl_buffer_iterator_next (iter))
     {
-      gfloat *data  = iter->data[0];
+      gfloat *data  = iter->items[0].data;
       gint    count = iter->length;
 
       while (count--)
diff --git a/modules/display-filter-gamma.c b/modules/display-filter-gamma.c
index d49e12f933..0813e47912 100644
--- a/modules/display-filter-gamma.c
+++ b/modules/display-filter-gamma.c
@@ -17,6 +17,7 @@
 
 #include "config.h"
 
+#define GEGL_ITERATOR2_API
 #include <gegl.h>
 #include <gtk/gtk.h>
 
@@ -193,11 +194,11 @@ cdisplay_gamma_convert_buffer (GimpColorDisplay *display,
 
   iter = gegl_buffer_iterator_new (buffer, area, 0,
                                    babl_format ("R'G'B'A float"),
-                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE);
+                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE, 1);
 
   while (gegl_buffer_iterator_next (iter))
     {
-      gfloat *data  = iter->data[0];
+      gfloat *data  = iter->items[0].data;
       gint    count = iter->length;
 
       while (count--)
diff --git a/modules/display-filter-high-contrast.c b/modules/display-filter-high-contrast.c
index e45c28955f..7c7c512738 100644
--- a/modules/display-filter-high-contrast.c
+++ b/modules/display-filter-high-contrast.c
@@ -17,6 +17,7 @@
 
 #include "config.h"
 
+#define GEGL_ITERATOR2_API
 #include <gegl.h>
 #include <gtk/gtk.h>
 
@@ -193,11 +194,11 @@ cdisplay_contrast_convert_buffer (GimpColorDisplay *display,
 
   iter = gegl_buffer_iterator_new (buffer, area, 0,
                                    babl_format ("R'G'B'A float"),
-                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE);
+                                   GEGL_ACCESS_READWRITE, GEGL_ABYSS_NONE, 1);
 
   while (gegl_buffer_iterator_next (iter))
     {
-      gfloat *data  = iter->data[0];
+      gfloat *data  = iter->items[0].data;
       gint    count = iter->length;
 
       while (count--)