[gimp] app: remove apply_mask_to_region() and its helper functions

[Michael Natterer <mitch src gnome org>]

commit 5cf45ff30be92ce4aee09bff7fce6f151796a2fb
Author: Michael Natterer <mitch gimp org>
Date:   Mon Apr 23 19:27:05 2012 +0200

    app: remove apply_mask_to_region() and its helper functions

 app/paint-funcs/paint-funcs-generic.h |   34 ---------------------------------
 app/paint-funcs/paint-funcs.c         |   31 ------------------------------
 app/paint-funcs/paint-funcs.h         |   12 -----------
 3 files changed, 0 insertions(+), 77 deletions(-)
---
diff --git a/app/paint-funcs/paint-funcs-generic.h b/app/paint-funcs/paint-funcs-generic.h
index cc25833..287ff6c 100644
--- a/app/paint-funcs/paint-funcs-generic.h
+++ b/app/paint-funcs/paint-funcs-generic.h
@@ -109,40 +109,6 @@ replace_pixels (const guchar   *src1,
 
 
 inline void
-apply_mask_to_alpha_channel (guchar       *src,
-                             const guchar *mask,
-                             guint         opacity,
-                             guint         length,
-                             guint         bytes)
-{
-  src += bytes - 1;
-
-  if (opacity == 255)
-    {
-      while (length --)
-        {
-          glong tmp;
-
-          *src = INT_MULT(*src, *mask, tmp);
-          mask++;
-          src += bytes;
-        }
-    }
-  else
-    {
-      while (length --)
-        {
-          glong tmp;
-
-          *src = INT_MULT3(*src, *mask, opacity, tmp);
-          mask++;
-          src += bytes;
-        }
-    }
-}
-
-
-inline void
 copy_gray_to_inten_a_pixels (const guchar *src,
                              guchar       *dest,
                              guint         length,
diff --git a/app/paint-funcs/paint-funcs.c b/app/paint-funcs/paint-funcs.c
index b5bdd90..7395b44 100644
--- a/app/paint-funcs/paint-funcs.c
+++ b/app/paint-funcs/paint-funcs.c
@@ -1982,37 +1982,6 @@ dilate_region (PixelRegion *region)
   g_free (out);
 }
 
-/* Computes whether pixels in `buf[1]' have neighbouring pixels that are
-   unselected. Put result in `transition'. */
-static void
-apply_mask_to_sub_region (gint        *opacityp,
-                          PixelRegion *src,
-                          PixelRegion *mask)
-{
-  guchar       *s       = src->data;
-  const guchar *m       = mask->data;
-  gint          h       = src->h;
-  guint         opacity = *opacityp;
-
-  while (h--)
-    {
-      apply_mask_to_alpha_channel (s, m, opacity, src->w, src->bytes);
-      s += src->rowstride;
-      m += mask->rowstride;
-    }
-}
-
-void
-apply_mask_to_region (PixelRegion *src,
-                      PixelRegion *mask,
-                      guint        opacity)
-{
-  pixel_regions_process_parallel ((PixelProcessorFunc)
-                                  apply_mask_to_sub_region,
-                                  &opacity, 2, src, mask);
-}
-
-
 void
 copy_gray_to_region (PixelRegion *src,
                      PixelRegion *dest)
diff --git a/app/paint-funcs/paint-funcs.h b/app/paint-funcs/paint-funcs.h
index 61fbabc..10f5f68 100644
--- a/app/paint-funcs/paint-funcs.h
+++ b/app/paint-funcs/paint-funcs.h
@@ -19,13 +19,6 @@
 #define __PAINT_FUNCS_H__
 
 
-/*  apply the mask data to the alpha channel of the pixel data  */
-void  apply_mask_to_alpha_channel         (guchar       *src,
-                                           const guchar *mask,
-                                           guint         opacity,
-                                           guint         length,
-                                           guint         bytes);
-
 /*  copy gray pixels to intensity-alpha pixels.  This function
  *  essentially takes a source that is only a grayscale image and
  *  copies it to the destination, expanding to RGB if necessary and
@@ -234,11 +227,6 @@ void  erode_region                        (PixelRegion *region);
 void  dilate_region                       (PixelRegion *region);
 
 
-/*  Apply a mask to an image's alpha channel  */
-void  apply_mask_to_region                (PixelRegion *src,
-                                           PixelRegion *mask,
-                                           guint        opacity);
-
 /*  Copy a gray image to an intensity-alpha region  */
 void  copy_gray_to_region                 (PixelRegion *src,
                                            PixelRegion *dest);