[gegl/soc-2011-ops] Added the cubism op

[Robert Sasu <sasurobert src gnome org>]

commit db4ed5c31aaaa4cc9a5db5174ba9ab3efb5ba16f
Author: Robert Sasu <sasu robert gmail com>
Date:   Tue Jul 12 14:44:36 2011 +0300

    Added the cubism op

 operations/workshop/cubism.c |   50 ++++++-----------------------------------
 1 files changed, 8 insertions(+), 42 deletions(-)
---
diff --git a/operations/workshop/cubism.c b/operations/workshop/cubism.c
index e301218..3697c8a 100644
--- a/operations/workshop/cubism.c
+++ b/operations/workshop/cubism.c
@@ -31,8 +31,6 @@ gegl_chant_double (tile_size, _("Tile size"), 0.0, 256.0, 10.0,
                   _("Tile size"))
 gegl_chant_double (tile_saturation, _("Tile saturation"), 0.0, 10.0, 2.5,
                   _("Tile saturation"))
-gegl_chant_boolean (background, _("Background"), FALSE,
-                  _("Use background color"))
 gegl_chant_int (seed, _("Seed"), 0 , G_MAXINT, 1,
                 _("Random seed"))
 
@@ -247,8 +245,6 @@ polygon_reset (Polygon *poly)
 
 static void
 fill_poly_color (Polygon             *poly,
-                 GeglBuffer          *input,
-                 GeglBuffer          *output,
                  const GeglRectangle *extended,
                  const GeglRectangle *boundary,
                  gfloat              *dst_buf,
@@ -277,8 +273,6 @@ fill_poly_color (Polygon             *poly,
   gint          x1, y1, x2, y2;
   gint         *vals, *vals_iter, *vals_end;
   gint          b;
-
- /* GeglRectangle rect; */
   
   sx = poly->pts[0].x;
   sy = poly->pts[0].y;
@@ -389,7 +383,7 @@ fill_poly_color (Polygon             *poly,
                   if (x >= x1 && x < x2)
                     {
                       for (val = 0, vals_iter = &vals[j],
-                             vals_end = &vals_iter[SUPERSAMPLE];
+                           vals_end = &vals_iter[SUPERSAMPLE];
                            vals_iter < vals_end;
                            vals_iter++)
                         val += *vals_iter;
@@ -398,16 +392,11 @@ fill_poly_color (Polygon             *poly,
 
                       if (val > 0)
                         {
-                          xx = (gdouble) j / (gdouble) SUPERSAMPLE + min_x;
-                          alpha = (gfloat) (val * calc_alpha_blend (vec,
-                                                                    one_over_dist,
-                                                                    xx - sx,
-                                                                    yy - sy));
-                        /* 
-                        gegl_buffer_sample (output, x, y, 1.0, buf, 
-                                             babl_format ("RGBA float"),
-                                             GEGL_INTERPOLATION_NEAREST);
-                        */
+                         xx = (gdouble) j / (gdouble) SUPERSAMPLE + min_x;
+                         alpha = (gfloat) (val * calc_alpha_blend (vec,
+                                                                   one_over_dist,
+                                                                   xx - sx,
+                                                                   yy - sy));
 
                         for (b = 0; b < 4; b++)
                             buf[b] = dst_buf[( (y-extended->y) * extended->width
@@ -420,16 +409,6 @@ fill_poly_color (Polygon             *poly,
                             dst_buf[((y-extended->y) * extended->width + 
                                      (x - extended->x)) * 4 + b] = buf[b];
                      
-                       /*
-                          rect.x = x;
-                          rect.y = y;
-                          rect.width = 1;
-                          rect.height = 1;
-
-                          gegl_buffer_set (output, &rect,
-                                           babl_format ("RGBA float"), buf,
-                                           GEGL_AUTO_ROWSTRIDE);
-                        */
                         }
                     }
                 }
@@ -468,7 +447,7 @@ process (GeglOperation       *operation,
   Babl                    *format       = babl_format ("RGBA float");
 
   GRand  *gr = g_rand_new_with_seed (o->seed);
-  gfloat  bg_col[4], color[4];
+  gfloat  color[4];
   gint    cols, rows, num_tiles, count;
   gint   *random_indices;
   gfloat *dst_buf;
@@ -487,21 +466,9 @@ process (GeglOperation       *operation,
 
   dst_buf = g_new0 (gfloat, extended.width * extended.height * 4);
 
-  if (!o->background)
-    {
-    bg_col[0] = bg_col[1] = bg_col[2] = bg_col[3] = 0.0;
-    }
-  else
-    {
-    /*gegl get background color*/
-    bg_col[0] = bg_col[1] = bg_col[2] = bg_col[3] = 0.0;
-    }
-
   cols = (result->width + o->tile_size - 1) / o->tile_size;
   rows = (result->height + o->tile_size - 1) / o->tile_size;
 
-  /*here to set background color*/
-
   num_tiles = (rows + 1) * (cols + 1);
 
   random_indices = g_new0 (gint, num_tiles);
@@ -549,8 +516,7 @@ process (GeglOperation       *operation,
     gegl_buffer_sample (input, ix, iy, 1.0, color, format,
                         GEGL_INTERPOLATION_NEAREST);
  
-    fill_poly_color (&poly, input, output, &extended, &boundary, 
-                     dst_buf, color);
+    fill_poly_color (&poly, &extended, &boundary, dst_buf, color);
     }
   
   gegl_buffer_set (output, &extended, format, dst_buf, GEGL_AUTO_ROWSTRIDE);