[gimp] app: remove pattern_region()

[Michael Natterer <mitch src gnome org>]

commit 6eb015493d5e406a862723a8ef6c07baeb6529e7
Author: Michael Natterer <mitch gimp org>
Date:   Mon Mar 19 02:36:58 2012 +0100

    app: remove pattern_region()

 app/paint-funcs/paint-funcs-generic.h |   56 ---------------------------------
 app/paint-funcs/paint-funcs.c         |   31 ------------------
 app/paint-funcs/paint-funcs.h         |   14 --------
 3 files changed, 0 insertions(+), 101 deletions(-)
---
diff --git a/app/paint-funcs/paint-funcs-generic.h b/app/paint-funcs/paint-funcs-generic.h
index bc59b02..8685a26 100644
--- a/app/paint-funcs/paint-funcs-generic.h
+++ b/app/paint-funcs/paint-funcs-generic.h
@@ -173,62 +173,6 @@ color_pixels_mask (guchar       *dest,
     }
 }
 
-void
-pattern_pixels_mask (guchar       *dest,
-                     const guchar *mask,
-                     TempBuf      *pattern,
-                     guint         w,
-                     guint         bytes,
-                     gint          x,
-                     gint          y)
-{
-  const guint   alpha = HAS_ALPHA (bytes) ? bytes - 1 : bytes;
-  const guchar *pat;
-  guint         i;
-
-  /*  Get a pointer to the appropriate scanline of the pattern buffer  */
-  pat = (temp_buf_get_data (pattern) +
-         (y % pattern->height) * pattern->width * pattern->bytes);
-
-
-  /*
-   * image data = pattern data for all but alpha
-   *
-   * If (image has alpha)
-   *   if (there's a mask)
-   *     image data = mask for alpha;
-   *   else
-   *     image data = opaque for alpha.
-   *
-   *   if (pattern has alpha)
-   *     multiply existing alpha channel by pattern alpha
-   *     (normalised to (0..1))
-   */
-
-  for (i = 0; i < w; i++)
-    {
-      const guchar *p = pat + ((i + x) % pattern->width) * pattern->bytes;
-      guint         b;
-
-      for (b = 0; b < alpha; b++)
-        dest[b] = p[b];
-
-      if (HAS_ALPHA (bytes))
-        {
-          if (mask)
-            dest[alpha] = *mask++;
-          else
-            dest[alpha] = OPAQUE_OPACITY;
-
-          if (HAS_ALPHA (pattern->bytes))
-            dest[alpha] = (guchar) (dest[alpha] *
-                                    p[alpha] / (gdouble) OPAQUE_OPACITY);
-        }
-
-      dest += bytes;
-    }
-}
-
 /*
  * blend_pixels patched 8-24-05 to fix bug #163721.  Note that this change
  * causes the function to treat src1 and src2 asymmetrically.  This gives the
diff --git a/app/paint-funcs/paint-funcs.c b/app/paint-funcs/paint-funcs.c
index f9ae635..1bbcb99 100644
--- a/app/paint-funcs/paint-funcs.c
+++ b/app/paint-funcs/paint-funcs.c
@@ -1805,37 +1805,6 @@ color_region_mask (PixelRegion  *dest,
 }
 
 void
-pattern_region (PixelRegion  *dest,
-                PixelRegion  *mask,
-                TempBuf      *pattern,
-                gint          off_x,
-                gint          off_y)
-{
-  gpointer pr;
-
-  for (pr = pixel_regions_register (2, dest, mask);
-       pr != NULL;
-       pr = pixel_regions_process (pr))
-    {
-      guchar       *d = dest->data;
-      const guchar *m = mask ? mask->data : NULL;
-      gint          y;
-
-      for (y = 0; y < dest->h; y++)
-        {
-          pattern_pixels_mask (d, m, pattern, dest->w, dest->bytes,
-                               off_x + dest->x,
-                               off_y + dest->y + y);
-
-          d += dest->rowstride;
-
-          if (mask)
-            m += mask->rowstride;
-        }
-    }
-}
-
-void
 blend_region (PixelRegion *src1,
               PixelRegion *src2,
               PixelRegion *dest,
diff --git a/app/paint-funcs/paint-funcs.h b/app/paint-funcs/paint-funcs.h
index a182f38..4158987 100644
--- a/app/paint-funcs/paint-funcs.h
+++ b/app/paint-funcs/paint-funcs.h
@@ -32,14 +32,6 @@ void  color_pixels_mask     (guchar       *dest,
                              guint         w,
                              guint         bytes);
 
-void  pattern_pixels_mask   (guchar       *dest,
-                             const guchar *mask,
-                             TempBuf      *pattern,
-                             guint         w,
-                             guint         bytes,
-                             gint          x,
-                             gint          y);
-
 void  blend_pixels          (const guchar *src1,
                              const guchar *src2,
                              guchar       *dest,
@@ -327,12 +319,6 @@ void  color_region_mask                   (PixelRegion  *dest,
                                            PixelRegion  *mask,
                                            const guchar *color);
 
-void  pattern_region                      (PixelRegion  *dest,
-                                           PixelRegion  *mask,
-                                           TempBuf      *pattern,
-                                           gint          off_x,
-                                           gint          off_y);
-
 void  blend_region                        (PixelRegion *src1,
                                            PixelRegion *src2,
                                            PixelRegion *dest,