[gimp] app: remove gimp_drawable_bytes() and ask its format instead

[Michael Natterer <mitch src gnome org>]

commit f164069c9c6639995a951df28c82a4086e79f5a6
Author: Michael Natterer <mitch gimp org>
Date:   Wed Apr 25 13:35:37 2012 +0200

    app: remove gimp_drawable_bytes() and ask its format instead

 app/core/gimpdrawable-foreground-extract.c |    2 +-
 app/core/gimpdrawable.c                    |   16 +++-------------
 app/core/gimpdrawable.h                    |    1 -
 app/core/gimpimage-merge.c                 |    5 +++--
 app/core/gimplayer.c                       |    7 ++++---
 app/display/gimpdisplayshell.c             |    2 +-
 6 files changed, 12 insertions(+), 21 deletions(-)
---
diff --git a/app/core/gimpdrawable-foreground-extract.c b/app/core/gimpdrawable-foreground-extract.c
index 3876813..345b512 100644
--- a/app/core/gimpdrawable-foreground-extract.c
+++ b/app/core/gimpdrawable-foreground-extract.c
@@ -122,7 +122,7 @@ gimp_drawable_foreground_extract_siox (GimpDrawable       *mask,
   gint x2, y2;
 
   g_return_if_fail (GIMP_IS_DRAWABLE (mask));
-  g_return_if_fail (gimp_drawable_bytes (mask) == 1);
+  g_return_if_fail (babl_format_get_bytes_per_pixel (gimp_drawable_get_format (mask)) == 1);
 
   g_return_if_fail (state != NULL);
 
diff --git a/app/core/gimpdrawable.c b/app/core/gimpdrawable.c
index a76ac48..fc48a14 100644
--- a/app/core/gimpdrawable.c
+++ b/app/core/gimpdrawable.c
@@ -687,7 +687,9 @@ gimp_drawable_real_estimate_memsize (const GimpDrawable *drawable,
                                      gint                width,
                                      gint                height)
 {
-  return (gint64) gimp_drawable_bytes (drawable) * width * height;
+  const Babl *format = gimp_drawable_get_format (drawable);
+
+  return (gint64) babl_format_get_bytes_per_pixel (format) * width * height;
 }
 
 static void
@@ -1681,18 +1683,6 @@ gimp_drawable_is_indexed (const GimpDrawable *drawable)
   return (gimp_drawable_get_base_type (drawable) == GIMP_INDEXED);
 }
 
-gint
-gimp_drawable_bytes (const GimpDrawable *drawable)
-{
-  const Babl *format;
-
-  g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), -1);
-
-  format = gegl_buffer_get_format (drawable->private->buffer);
-
-  return babl_format_get_bytes_per_pixel (format);
-}
-
 const guchar *
 gimp_drawable_get_colormap (const GimpDrawable *drawable)
 {
diff --git a/app/core/gimpdrawable.h b/app/core/gimpdrawable.h
index 87374d1..06dfd2b 100644
--- a/app/core/gimpdrawable.h
+++ b/app/core/gimpdrawable.h
@@ -233,7 +233,6 @@ GimpPrecision   gimp_drawable_get_precision      (const GimpDrawable *drawable);
 gboolean        gimp_drawable_is_rgb             (const GimpDrawable *drawable);
 gboolean        gimp_drawable_is_gray            (const GimpDrawable *drawable);
 gboolean        gimp_drawable_is_indexed         (const GimpDrawable *drawable);
-gint            gimp_drawable_bytes              (const GimpDrawable *drawable);
 
 const guchar  * gimp_drawable_get_colormap       (const GimpDrawable *drawable);
 
diff --git a/app/core/gimpimage-merge.c b/app/core/gimpimage-merge.c
index 29f8b52..6a41134 100644
--- a/app/core/gimpimage-merge.c
+++ b/app/core/gimpimage-merge.c
@@ -405,8 +405,9 @@ static CombinationMode
 gimp_image_merge_layers_get_operation (GimpLayer *dest,
                                        GimpLayer *src)
 {
-  GimpImageType type  = gimp_babl_format_get_image_type (gimp_drawable_get_format (GIMP_DRAWABLE (dest)));
-  gint          bytes = gimp_drawable_bytes (GIMP_DRAWABLE (src));
+  const Babl    *format = gimp_drawable_get_format (GIMP_DRAWABLE (dest));
+  GimpImageType  type   = gimp_babl_format_get_image_type (format);
+  gint           bytes  = babl_format_get_bytes_per_pixel (format);
 
   return gimp_image_get_combination_mode (type, bytes);
 }
diff --git a/app/core/gimplayer.c b/app/core/gimplayer.c
index 0bc6135..c3aae91 100644
--- a/app/core/gimplayer.c
+++ b/app/core/gimplayer.c
@@ -960,14 +960,15 @@ static void
 gimp_layer_get_active_components (const GimpDrawable *drawable,
                                   gboolean           *active)
 {
-  GimpLayer *layer = GIMP_LAYER (drawable);
-  GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
+  GimpLayer  *layer  = GIMP_LAYER (drawable);
+  GimpImage  *image  = gimp_item_get_image (GIMP_ITEM (drawable));
+  const Babl *format = gimp_drawable_get_format (drawable);
 
   /*  first copy the image active channels  */
   gimp_image_get_active_array (image, active);
 
   if (gimp_drawable_has_alpha (drawable) && layer->lock_alpha)
-    active[gimp_drawable_bytes (drawable) - 1] = FALSE;
+    active[babl_format_get_n_components (format) - 1] = FALSE;
 }
 
 static gdouble
diff --git a/app/display/gimpdisplayshell.c b/app/display/gimpdisplayshell.c
index 81fa602..c4dba6b 100644
--- a/app/display/gimpdisplayshell.c
+++ b/app/display/gimpdisplayshell.c
@@ -1796,7 +1796,7 @@ gimp_display_shell_set_mask (GimpDisplayShell *shell,
   g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
   g_return_if_fail (mask == NULL ||
                     (GIMP_IS_DRAWABLE (mask) &&
-                     gimp_drawable_bytes (mask) == 1));
+                     babl_format_get_bytes_per_pixel (gimp_drawable_get_format (mask)) == 1));
   g_return_if_fail (mask == NULL || color != NULL);
 
   if (mask)