예제 #1
0
static GimpChannel *
gimp_fuzzy_select_tool_get_mask (GimpRegionSelectTool *region_select,
                                 GimpDisplay          *display)
{
  GimpTool                *tool        = GIMP_TOOL (region_select);
  GimpSelectionOptions    *sel_options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
  GimpRegionSelectOptions *options     = GIMP_REGION_SELECT_TOOL_GET_OPTIONS (tool);
  GimpDrawable            *drawable;
  gint                     x, y;

  drawable = gimp_image_get_active_drawable (display->image);

  x = region_select->x;
  y = region_select->y;

  if (! options->sample_merged)
    {
      gint off_x, off_y;

      gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y);

      x -= off_x;
      y -= off_y;
    }

  return gimp_image_contiguous_region_by_seed (display->image, drawable,
                                               options->sample_merged,
                                               sel_options->antialias,
                                               options->threshold,
                                               options->select_transparent,
                                               options->select_criterion,
                                               x, y);
}
예제 #2
0
void
gimp_channel_select_fuzzy (GimpChannel         *channel,
                           GimpDrawable        *drawable,
                           gboolean             sample_merged,
                           gint                 x,
                           gint                 y,
                           gint                 threshold,
                           gboolean             select_transparent,
                           GimpSelectCriterion  select_criterion,
                           GimpChannelOps       op,
                           gboolean             antialias,
                           gboolean             feather,
                           gdouble              feather_radius_x,
                           gdouble              feather_radius_y)
{
  GimpItem    *item;
  GimpChannel *add_on;
  gint         add_on_x = 0;
  gint         add_on_y = 0;

  g_return_if_fail (GIMP_IS_CHANNEL (channel));
  g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (channel)));
  g_return_if_fail (GIMP_IS_DRAWABLE (drawable));

  item = GIMP_ITEM (channel);

  add_on = gimp_image_contiguous_region_by_seed (gimp_item_get_image (item),
                                                 drawable,
                                                 sample_merged,
                                                 antialias,
                                                 threshold,
                                                 select_transparent,
                                                 select_criterion,
                                                 x, y);

  if (! sample_merged)
    gimp_item_offsets (GIMP_ITEM (drawable), &add_on_x, &add_on_y);

  gimp_channel_select_channel (channel, Q_("command|Fuzzy Select"),
                               add_on, add_on_x, add_on_y,
                               op,
                               feather,
                               feather_radius_x,
                               feather_radius_y);
  g_object_unref (add_on);
}
예제 #3
0
void
gimp_drawable_bucket_fill_full (GimpDrawable        *drawable,
                                GimpBucketFillMode   fill_mode,
                                gint                 paint_mode,
                                gdouble              opacity,
                                gboolean             do_seed_fill,
                                gboolean             fill_transparent,
                                GimpSelectCriterion  fill_criterion,
                                gdouble              threshold,
                                gboolean             sample_merged,
                                gdouble              x,
                                gdouble              y,
                                const GimpRGB       *color,
                                GimpPattern         *pattern)
{
  GimpImage   *image;
  TileManager *buf_tiles;
  PixelRegion  bufPR, maskPR;
  GimpChannel *mask = NULL;
  gint         bytes;
  gint         x1, y1, x2, y2;
  guchar       col[MAX_CHANNELS];
  TempBuf     *pat_buf = NULL;
  gboolean     new_buf = FALSE;
  gboolean     selection;

  g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
  g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
  g_return_if_fail (fill_mode != GIMP_PATTERN_BUCKET_FILL ||
                    GIMP_IS_PATTERN (pattern));
  g_return_if_fail (fill_mode == GIMP_PATTERN_BUCKET_FILL ||
                    color != NULL);

  image = gimp_item_get_image (GIMP_ITEM (drawable));

  bytes     = gimp_drawable_bytes (drawable);
  selection = gimp_item_mask_bounds (GIMP_ITEM (drawable), &x1, &y1, &x2, &y2);

  if ((x1 == x2) || (y1 == y2))
    return;

  if (fill_mode == GIMP_FG_BUCKET_FILL ||
      fill_mode == GIMP_BG_BUCKET_FILL)
    {
      guchar tmp_col[MAX_CHANNELS];

      gimp_rgb_get_uchar (color,
                          &tmp_col[RED],
                          &tmp_col[GREEN],
                          &tmp_col[BLUE]);

      gimp_image_transform_color (image, gimp_drawable_type (drawable), col,
                                  GIMP_RGB, tmp_col);
      col[gimp_drawable_bytes_with_alpha (drawable) - 1] = OPAQUE_OPACITY;
    }
  else if (fill_mode == GIMP_PATTERN_BUCKET_FILL)
    {
      pat_buf = gimp_image_transform_temp_buf (image,
                                               gimp_drawable_type (drawable),
                                               pattern->mask, &new_buf);
    }
  else
    {
      g_warning ("%s: invalid fill_mode passed", G_STRFUNC);
      return;
    }

  gimp_set_busy (image->gimp);

  /*  Do a seed bucket fill...To do this, calculate a new
   *  contiguous region. If there is a selection, calculate the
   *  intersection of this region with the existing selection.
   */
  if (do_seed_fill)
    {
      mask = gimp_image_contiguous_region_by_seed (image, drawable,
                                                   sample_merged,
                                                   TRUE,
                                                   (gint) threshold,
                                                   fill_transparent,
                                                   fill_criterion,
                                                   (gint) x,
                                                   (gint) y);

      if (selection)
        {
          gint off_x = 0;
          gint off_y = 0;

          if (! sample_merged)
            gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);

          gimp_channel_combine_mask (mask, gimp_image_get_mask (image),
                                     GIMP_CHANNEL_OP_INTERSECT,
                                     -off_x, -off_y);
        }

      gimp_channel_bounds (mask, &x1, &y1, &x2, &y2);

      /*  make sure we handle the mask correctly if it was sample-merged  */
      if (sample_merged)
        {
          GimpItem *item;
          gint      off_x, off_y;

          item = GIMP_ITEM (drawable);

          /*  Limit the channel bounds to the drawable's extents  */
          gimp_item_get_offset (item, &off_x, &off_y);

          x1 = CLAMP (x1, off_x, (off_x + gimp_item_get_width (item)));
          y1 = CLAMP (y1, off_y, (off_y + gimp_item_get_height (item)));
          x2 = CLAMP (x2, off_x, (off_x + gimp_item_get_width (item)));
          y2 = CLAMP (y2, off_y, (off_y + gimp_item_get_height (item)));

          pixel_region_init (&maskPR,
                             gimp_drawable_get_tiles (GIMP_DRAWABLE (mask)),
                             x1, y1, (x2 - x1), (y2 - y1), TRUE);

          /*  translate mask bounds to drawable coords  */
          x1 -= off_x;
          y1 -= off_y;
          x2 -= off_x;
          y2 -= off_y;
        }
      else
        {
          pixel_region_init (&maskPR,
                             gimp_drawable_get_tiles (GIMP_DRAWABLE (mask)),
                             x1, y1, (x2 - x1), (y2 - y1), TRUE);
        }

      /*  if the image doesn't have an alpha channel, make sure that
       *  the buf_tiles have.  We need the alpha channel to fill with
       *  the region calculated above
       */
      if (! gimp_drawable_has_alpha (drawable))
        bytes++;
    }
  else if (fill_mode == GIMP_PATTERN_BUCKET_FILL &&
           (pat_buf->bytes == 2 || pat_buf->bytes == 4))
    {
      /* If pattern being applied has an alpha channel, add one to the
       * buf_tiles.
       */
      if (! gimp_drawable_has_alpha (drawable))
        bytes++;
    }

  buf_tiles = tile_manager_new ((x2 - x1), (y2 - y1), bytes);
  pixel_region_init (&bufPR, buf_tiles, 0, 0, (x2 - x1), (y2 - y1), TRUE);

  switch (fill_mode)
    {
    case GIMP_FG_BUCKET_FILL:
    case GIMP_BG_BUCKET_FILL:
      if (mask)
        color_region_mask (&bufPR, &maskPR, col);
      else
        color_region (&bufPR, col);
      break;

    case GIMP_PATTERN_BUCKET_FILL:
      if (mask)
        pattern_region (&bufPR, &maskPR, pat_buf, x1, y1);
      else
        pattern_region (&bufPR, NULL, pat_buf, x1, y1);
      break;
    }

  /*  Apply it to the image  */
  pixel_region_init (&bufPR, buf_tiles, 0, 0, (x2 - x1), (y2 - y1), FALSE);
  gimp_drawable_apply_region (drawable, &bufPR,
                              TRUE, C_("undo-type", "Bucket Fill"),
                              opacity, paint_mode,
                              NULL, NULL, x1, y1);
  tile_manager_unref (buf_tiles);

  /*  update the image  */
  gimp_drawable_update (drawable, x1, y1, x2 - x1, y2 - y1);

  /*  free the mask  */
  if (mask)
    g_object_unref (mask);

  if (new_buf)
    temp_buf_free (pat_buf);

  gimp_unset_busy (image->gimp);
}