[gimp/wip/Jehan/classy-GIMP: 39/55] plug-ins: port file-exr to GimpImage/GimpDrawable.

[Jehan <jehanp src gnome org>]

commit 799f62b24aa7175e2f496dd5667becf7e78f9752
Author: Jehan <jehan girinstud io>
Date:   Fri Aug 16 00:54:34 2019 +0200

    plug-ins: port file-exr to GimpImage/GimpDrawable.

 plug-ins/file-exr/Makefile.am |  1 -
 plug-ins/file-exr/file-exr.c  | 32 ++++++++++++++++----------------
 2 files changed, 16 insertions(+), 17 deletions(-)
---
diff --git a/plug-ins/file-exr/Makefile.am b/plug-ins/file-exr/Makefile.am
index 9d5e1f66b5..5ad2b56659 100644
--- a/plug-ins/file-exr/Makefile.am
+++ b/plug-ins/file-exr/Makefile.am
@@ -22,7 +22,6 @@ AM_LDFLAGS = $(mwindows)
 libexecdir = $(gimpplugindir)/plug-ins/file-exr
 
 AM_CPPFLAGS = \
-       -DGIMP_DEPRECATED_REPLACE_NEW_API \
        -I$(top_srcdir)   \
        $(GTK_CFLAGS)     \
        $(GEGL_CFLAGS)    \
diff --git a/plug-ins/file-exr/file-exr.c b/plug-ins/file-exr/file-exr.c
index 326eb733d8..5cc5665d9a 100644
--- a/plug-ins/file-exr/file-exr.c
+++ b/plug-ins/file-exr/file-exr.c
@@ -58,7 +58,7 @@ static GimpValueArray * exr_load             (GimpProcedure        *procedure,
                                               const GimpValueArray *args,
                                               gpointer              run_data);
 
-static gint32           load_image           (const gchar          *filename,
+static GimpImage      * load_image           (const gchar          *filename,
                                               gboolean              interactive,
                                               GError              **error);
 static void             sanitize_comment     (gchar                *comment);
@@ -132,17 +132,17 @@ exr_load (GimpProcedure        *procedure,
           gpointer              run_data)
 {
   GimpValueArray *return_vals;
-  gint32          image_ID;
+  GimpImage      *image;
   GError         *error  = NULL;
 
   INIT_I18N ();
   gegl_init (NULL, NULL);
 
-  image_ID = load_image (g_file_get_path (file),
-                         run_mode == GIMP_RUN_INTERACTIVE,
-                         &error);
+  image = load_image (g_file_get_path (file),
+                      run_mode == GIMP_RUN_INTERACTIVE,
+                      &error);
 
-  if (image_ID < 1)
+  if (! image)
     return gimp_procedure_new_return_values (procedure,
                                              GIMP_PDB_EXECUTION_ERROR,
                                              error);
@@ -151,12 +151,12 @@ exr_load (GimpProcedure        *procedure,
                                                    GIMP_PDB_SUCCESS,
                                                    NULL);
 
-  GIMP_VALUES_SET_IMAGE (return_vals, 1, image_ID);
+  GIMP_VALUES_SET_IMAGE (return_vals, 1, image);
 
   return return_vals;
 }
 
-static gint32
+static GimpImage *
 load_image (const gchar  *filename,
             gboolean      interactive,
             GError      **error)
@@ -167,9 +167,9 @@ load_image (const gchar  *filename,
   gboolean          has_alpha;
   GimpImageBaseType image_type;
   GimpPrecision     image_precision;
-  gint32            image = -1;
+  GimpImage        *image = NULL;
   GimpImageType     layer_type;
-  gint32            layer;
+  GimpLayer        *layer;
   const Babl       *format;
   GeglBuffer       *buffer = NULL;
   gint              bpp;
@@ -247,7 +247,7 @@ load_image (const gchar  *filename,
 
   image = gimp_image_new_with_precision (width, height,
                                          image_type, image_precision);
-  if (image == -1)
+  if (! image)
     {
       g_set_error (error, 0, 0,
                    _("Could not create new image for '%s': %s"),
@@ -272,10 +272,10 @@ load_image (const gchar  *filename,
   layer = gimp_layer_new (image, _("Background"), width, height,
                           layer_type, 100,
                           gimp_image_get_default_new_layer_mode (image));
-  gimp_image_insert_layer (image, layer, -1, 0);
+  gimp_image_insert_layer (image, layer, NULL, 0);
 
-  buffer = gimp_drawable_get_buffer (layer);
-  format = gimp_drawable_get_format (layer);
+  buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (layer));
+  format = gimp_drawable_get_format (GIMP_DRAWABLE (layer));
   bpp = babl_format_get_bytes_per_pixel (format);
 
   tile_height = gimp_tile_height ();
@@ -373,10 +373,10 @@ load_image (const gchar  *filename,
   if (success)
     return image;
 
-  if (image != -1)
+  if (image)
     gimp_image_delete (image);
 
-  return -1;
+  return NULL;
 }
 
 /* copy & pasted from file-jpeg/jpeg-load.c */