Пример #1
0
static void
gimp_view_renderer_buffer_render (GimpViewRenderer *renderer,
                                  GtkWidget        *widget)
{
  gint         buffer_width;
  gint         buffer_height;
  gint         view_width;
  gint         view_height;
  gboolean     scaling_up;
  GimpTempBuf *render_buf = NULL;

  gimp_viewable_get_size (renderer->viewable, &buffer_width, &buffer_height);

  gimp_viewable_calc_preview_size (buffer_width,
                                   buffer_height,
                                   renderer->width,
                                   renderer->height,
                                   TRUE, 1.0, 1.0,
                                   &view_width,
                                   &view_height,
                                   &scaling_up);

  if (scaling_up)
    {
      GimpTempBuf *temp_buf;

      temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
                                                renderer->context,
                                                buffer_width, buffer_height);

      if (temp_buf)
        {
          render_buf = gimp_temp_buf_scale (temp_buf, view_width, view_height);

          gimp_temp_buf_unref (temp_buf);
        }
    }
  else
    {
      render_buf = gimp_viewable_get_new_preview (renderer->viewable,
                                                  renderer->context,
                                                  view_width, view_height);
    }

  if (render_buf)
    {
      gimp_view_renderer_render_temp_buf_simple (renderer, render_buf);

      gimp_temp_buf_unref (render_buf);
    }
  else /* no preview available */
    {
      const gchar *icon_name;

      icon_name = gimp_viewable_get_icon_name (renderer->viewable);

      gimp_view_renderer_render_icon (renderer, widget, icon_name);
    }
}
Пример #2
0
static GeglBuffer *
gimp_ink_get_paint_buffer (GimpPaintCore    *paint_core,
                           GimpDrawable     *drawable,
                           GimpPaintOptions *paint_options,
                           const GimpCoords *coords,
                           gint             *paint_buffer_x,
                           gint             *paint_buffer_y)
{
  GimpInk *ink = GIMP_INK (paint_core);
  gint     x, y;
  gint     width, height;
  gint     dwidth, dheight;
  gint     x1, y1, x2, y2;

  gimp_blob_bounds (ink->cur_blob, &x, &y, &width, &height);

  dwidth  = gimp_item_get_width  (GIMP_ITEM (drawable));
  dheight = gimp_item_get_height (GIMP_ITEM (drawable));

  x1 = CLAMP (x / SUBSAMPLE - 1,            0, dwidth);
  y1 = CLAMP (y / SUBSAMPLE - 1,            0, dheight);
  x2 = CLAMP ((x + width)  / SUBSAMPLE + 2, 0, dwidth);
  y2 = CLAMP ((y + height) / SUBSAMPLE + 2, 0, dheight);

  /*  configure the canvas buffer  */
  if ((x2 - x1) && (y2 - y1))
    {
      GimpTempBuf *temp_buf;
      const Babl  *format;

      if (gimp_drawable_get_linear (drawable))
        format = babl_format ("RGBA float");
      else
        format = babl_format ("R'G'B'A float");

      temp_buf = gimp_temp_buf_new ((x2 - x1), (y2 - y1),
                                    format);

      *paint_buffer_x = x1;
      *paint_buffer_y = y1;

      if (paint_core->paint_buffer)
        g_object_unref (paint_core->paint_buffer);

      paint_core->paint_buffer = gimp_temp_buf_create_buffer (temp_buf);

      gimp_temp_buf_unref (temp_buf);

      return paint_core->paint_buffer;
    }

  return NULL;
}
Пример #3
0
static void
gimp_pattern_finalize (GObject *object)
{
  GimpPattern *pattern = GIMP_PATTERN (object);

  if (pattern->mask)
    {
      gimp_temp_buf_unref (pattern->mask);
      pattern->mask = NULL;
    }

  G_OBJECT_CLASS (parent_class)->finalize (object);
}
Пример #4
0
void
gimp_undo_refresh_preview (GimpUndo    *undo,
                           GimpContext *context)
{
  g_return_if_fail (GIMP_IS_UNDO (undo));
  g_return_if_fail (context == NULL || GIMP_IS_CONTEXT (context));

  if (undo->preview_idle_id)
    return;

  if (undo->preview)
    {
      gimp_temp_buf_unref (undo->preview);
      undo->preview = NULL;
      gimp_undo_create_preview (undo, context, FALSE);
    }
}
Пример #5
0
static void
gimp_undo_finalize (GObject *object)
{
  GimpUndo *undo = GIMP_UNDO (object);

  if (undo->preview_idle_id)
    {
      g_source_remove (undo->preview_idle_id);
      undo->preview_idle_id = 0;
    }

  if (undo->preview)
    {
      gimp_temp_buf_unref (undo->preview);
      undo->preview = NULL;
    }

  G_OBJECT_CLASS (parent_class)->finalize (object);
}
Пример #6
0
static void
gimp_brush_generated_dirty (GimpData *data)
{
  GimpBrushGenerated *brush  = GIMP_BRUSH_GENERATED (data);
  GimpBrush          *gbrush = GIMP_BRUSH (brush);

  if (gbrush->priv->mask)
    gimp_temp_buf_unref (gbrush->priv->mask);

  gbrush->priv->mask = gimp_brush_generated_calc (brush,
                                                  brush->shape,
                                                  brush->radius,
                                                  brush->spikes,
                                                  brush->hardness,
                                                  brush->aspect_ratio,
                                                  brush->angle,
                                                  &gbrush->priv->x_axis,
                                                  &gbrush->priv->y_axis);

  GIMP_DATA_CLASS (parent_class)->dirty (data);
}
Пример #7
0
static void
gimp_pattern_clipboard_buffer_changed (Gimp        *gimp,
                                       GimpPattern *pattern)
{
  if (pattern->mask)
    {
      gimp_temp_buf_unref (pattern->mask);
      pattern->mask = NULL;
    }

  if (gimp->global_buffer)
    {
      GimpBuffer *buffer = gimp->global_buffer;
      gint        width;
      gint        height;

      width  = MIN (gimp_buffer_get_width  (buffer), 2048);
      height = MIN (gimp_buffer_get_height (buffer), 2048);

      pattern->mask = gimp_temp_buf_new (width, height,
                                         gimp_buffer_get_format (buffer));

      gegl_buffer_get (gimp_buffer_get_buffer (buffer),
                       GEGL_RECTANGLE (0, 0, width, height), 1.0,
                       NULL,
                       gimp_temp_buf_get_data (pattern->mask),
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
    }
  else
    {
      pattern->mask = gimp_temp_buf_new (16, 16, babl_format ("R'G'B' u8"));
      memset (gimp_temp_buf_get_data (pattern->mask), 255, 16 * 16 * 3);
    }

  gimp_data_dirty (GIMP_DATA (pattern));
}
Пример #8
0
static GdkPixbuf *
gimp_buffer_get_new_pixbuf (GimpViewable *viewable,
                            GimpContext  *context,
                            gint          width,
                            gint          height)
{
  GimpBuffer *buffer = GIMP_BUFFER (viewable);
  GdkPixbuf  *pixbuf;
  gdouble     scale;

  pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
                           width, height);

  scale = MIN ((gdouble) width  / (gdouble) gimp_buffer_get_width (buffer),
               (gdouble) height / (gdouble) gimp_buffer_get_height (buffer));

  if (buffer->color_profile)
    {
      GimpColorProfile *srgb_profile;
      GimpTempBuf      *temp_buf;
      GeglBuffer       *src_buf;
      GeglBuffer       *dest_buf;

      srgb_profile = gimp_color_profile_new_rgb_srgb ();

      temp_buf = gimp_temp_buf_new (width, height,
                                    gimp_buffer_get_format (buffer));

      gegl_buffer_get (buffer->buffer,
                       GEGL_RECTANGLE (0, 0, width, height),
                       scale,
                       gimp_temp_buf_get_format (temp_buf),
                       gimp_temp_buf_get_data (temp_buf),
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP);

      src_buf  = gimp_temp_buf_create_buffer (temp_buf);
      dest_buf = gimp_pixbuf_create_buffer (pixbuf);

      gimp_temp_buf_unref (temp_buf);

      gimp_gegl_convert_color_profile (src_buf,
                                       GEGL_RECTANGLE (0, 0, width, height),
                                       buffer->color_profile,
                                       dest_buf,
                                       GEGL_RECTANGLE (0, 0, 0, 0),
                                       srgb_profile,
                                       GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
                                       TRUE,
                                       NULL);

      g_object_unref (src_buf);
      g_object_unref (dest_buf);

      g_object_unref (srgb_profile);
    }
  else
    {
      gegl_buffer_get (buffer->buffer,
                       GEGL_RECTANGLE (0, 0, width, height),
                       scale,
                       gimp_pixbuf_get_format (pixbuf),
                       gdk_pixbuf_get_pixels (pixbuf),
                       gdk_pixbuf_get_rowstride (pixbuf),
                       GEGL_ABYSS_CLAMP);
    }

  return pixbuf;
}
Пример #9
0
static void
gimp_brush_clipboard_buffer_changed (Gimp      *gimp,
                                     GimpBrush *brush)
{
  gint width;
  gint height;

  if (brush->mask)
    {
      gimp_temp_buf_unref (brush->mask);
      brush->mask = NULL;
    }

  if (brush->pixmap)
    {
      gimp_temp_buf_unref (brush->pixmap);
      brush->pixmap = NULL;
    }

  if (gimp->global_buffer)
    {
      GeglBuffer *buffer = gimp_buffer_get_buffer (gimp->global_buffer);
      const Babl *format = gegl_buffer_get_format (buffer);
      GeglBuffer *dest_buffer;

      width  = MIN (gimp_buffer_get_width  (gimp->global_buffer), 512);
      height = MIN (gimp_buffer_get_height (gimp->global_buffer), 512);

      brush->mask   = gimp_temp_buf_new (width, height,
                                         babl_format ("Y u8"));
      brush->pixmap = gimp_temp_buf_new (width, height,
                                         babl_format ("R'G'B' u8"));

      /*  copy the alpha channel into the brush's mask  */
      if (babl_format_has_alpha (format))
        {
          dest_buffer = gimp_temp_buf_create_buffer (brush->mask);

          gegl_buffer_set_format (dest_buffer, babl_format ("A u8"));
          gegl_buffer_copy (buffer, NULL, dest_buffer, NULL);

          g_object_unref (dest_buffer);
        }
      else
        {
          memset (gimp_temp_buf_get_data (brush->mask), 255,
                  width * height);
        }

      /*  copy the color channels into the brush's pixmap  */
      dest_buffer = gimp_temp_buf_create_buffer (brush->pixmap);

      gegl_buffer_copy (buffer, NULL, dest_buffer, NULL);

      g_object_unref (dest_buffer);
    }
  else
    {
      width  = 17;
      height = 17;

      brush->mask = gimp_temp_buf_new (width, height, babl_format ("Y u8"));
      gimp_temp_buf_data_clear (brush->mask);
    }

  brush->x_axis.x = width / 2;
  brush->x_axis.y = 0;
  brush->y_axis.x = 0;
  brush->y_axis.y = height / 2;

  gimp_data_dirty (GIMP_DATA (brush));
}
Пример #10
0
GdkPixbuf *
gimp_drawable_get_sub_pixbuf (GimpDrawable *drawable,
                              gint          src_x,
                              gint          src_y,
                              gint          src_width,
                              gint          src_height,
                              gint          dest_width,
                              gint          dest_height)
{
  GimpItem           *item;
  GimpImage          *image;
  GeglBuffer         *buffer;
  GdkPixbuf          *pixbuf;
  gdouble             scale;
  gint                scaled_x;
  gint                scaled_y;
  GimpColorTransform *transform;

  g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
  g_return_val_if_fail (src_x >= 0, NULL);
  g_return_val_if_fail (src_y >= 0, NULL);
  g_return_val_if_fail (src_width  > 0, NULL);
  g_return_val_if_fail (src_height > 0, NULL);
  g_return_val_if_fail (dest_width  > 0, NULL);
  g_return_val_if_fail (dest_height > 0, NULL);

  item = GIMP_ITEM (drawable);

  g_return_val_if_fail ((src_x + src_width)  <= gimp_item_get_width  (item), NULL);
  g_return_val_if_fail ((src_y + src_height) <= gimp_item_get_height (item), NULL);

  image = gimp_item_get_image (item);

  if (! image->gimp->config->layer_previews)
    return NULL;

  buffer = gimp_drawable_get_buffer (drawable);

  pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
                           dest_width, dest_height);

  scale = MIN ((gdouble) dest_width  / (gdouble) src_width,
               (gdouble) dest_height / (gdouble) src_height);

  scaled_x = RINT ((gdouble) src_x * scale);
  scaled_y = RINT ((gdouble) src_y * scale);

  transform = gimp_image_get_color_transform_to_srgb_u8 (image);

  if (transform)
    {
      GimpTempBuf *temp_buf;
      GeglBuffer  *src_buf;
      GeglBuffer  *dest_buf;

      temp_buf = gimp_temp_buf_new (dest_width, dest_height,
                                    gimp_drawable_get_format (drawable));

      gegl_buffer_get (buffer,
                       GEGL_RECTANGLE (scaled_x, scaled_y,
                                       dest_width, dest_height),
                       scale,
                       gimp_temp_buf_get_format (temp_buf),
                       gimp_temp_buf_get_data (temp_buf),
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP);

      src_buf  = gimp_temp_buf_create_buffer (temp_buf);
      dest_buf = gimp_pixbuf_create_buffer (pixbuf);

      gimp_temp_buf_unref (temp_buf);

      gimp_color_transform_process_buffer (transform,
                                           src_buf,
                                           GEGL_RECTANGLE (0, 0,
                                                           dest_width, dest_height),
                                           dest_buf,
                                           GEGL_RECTANGLE (0, 0, 0, 0));

      g_object_unref (src_buf);
      g_object_unref (dest_buf);
    }
  else
    {
      gegl_buffer_get (buffer,
                       GEGL_RECTANGLE (scaled_x, scaled_y,
                                       dest_width, dest_height),
                       scale,
                       gimp_pixbuf_get_format (pixbuf),
                       gdk_pixbuf_get_pixels (pixbuf),
                       gdk_pixbuf_get_rowstride (pixbuf),
                       GEGL_ABYSS_CLAMP);
    }

  return pixbuf;
}
Пример #11
0
static void
gimp_convolve_motion (GimpPaintCore    *paint_core,
                      GimpDrawable     *drawable,
                      GimpPaintOptions *paint_options,
                      const GimpCoords *coords)
{
  GimpConvolve        *convolve   = GIMP_CONVOLVE (paint_core);
  GimpBrushCore       *brush_core = GIMP_BRUSH_CORE (paint_core);
  GimpConvolveOptions *options    = GIMP_CONVOLVE_OPTIONS (paint_options);
  GimpContext         *context    = GIMP_CONTEXT (paint_options);
  GimpDynamics        *dynamics   = GIMP_BRUSH_CORE (paint_core)->dynamics;
  GimpImage           *image      = gimp_item_get_image (GIMP_ITEM (drawable));
  GeglBuffer          *paint_buffer;
  gint                 paint_buffer_x;
  gint                 paint_buffer_y;
  GimpTempBuf         *temp_buf;
  GeglBuffer          *convolve_buffer;
  gdouble              fade_point;
  gdouble              opacity;
  gdouble              rate;

  fade_point = gimp_paint_options_get_fade (paint_options, image,
                                            paint_core->pixel_dist);

  opacity = gimp_dynamics_get_linear_value (dynamics,
                                            GIMP_DYNAMICS_OUTPUT_OPACITY,
                                            coords,
                                            paint_options,
                                            fade_point);
  if (opacity == 0.0)
    return;

  paint_buffer = gimp_paint_core_get_paint_buffer (paint_core, drawable,
                                                   paint_options, coords,
                                                   &paint_buffer_x,
                                                   &paint_buffer_y);
  if (! paint_buffer)
    return;

  rate = (options->rate *
          gimp_dynamics_get_linear_value (dynamics,
                                          GIMP_DYNAMICS_OUTPUT_RATE,
                                          coords,
                                          paint_options,
                                          fade_point));

  gimp_convolve_calculate_matrix (convolve, options->type,
                                  gimp_brush_get_width  (brush_core->brush) / 2,
                                  gimp_brush_get_height (brush_core->brush) / 2,
                                  rate);

  /*  need a linear buffer for gimp_gegl_convolve()  */
  temp_buf = gimp_temp_buf_new (gegl_buffer_get_width  (paint_buffer),
                                gegl_buffer_get_height (paint_buffer),
                                gegl_buffer_get_format (paint_buffer));
  convolve_buffer = gimp_temp_buf_create_buffer (temp_buf);
  gimp_temp_buf_unref (temp_buf);

  gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
                    GEGL_RECTANGLE (paint_buffer_x,
                                    paint_buffer_y,
                                    gegl_buffer_get_width  (paint_buffer),
                                    gegl_buffer_get_height (paint_buffer)),
                    convolve_buffer,
                    GEGL_RECTANGLE (0, 0, 0, 0));

  gimp_gegl_convolve (convolve_buffer,
                      GEGL_RECTANGLE (0, 0,
                                      gegl_buffer_get_width  (convolve_buffer),
                                      gegl_buffer_get_height (convolve_buffer)),
                      paint_buffer,
                      GEGL_RECTANGLE (0, 0,
                                      gegl_buffer_get_width  (paint_buffer),
                                      gegl_buffer_get_height (paint_buffer)),
                      convolve->matrix, 3, convolve->matrix_divisor,
                      GIMP_NORMAL_CONVOL, TRUE);

  g_object_unref (convolve_buffer);

  gimp_brush_core_replace_canvas (brush_core, drawable,
                                  coords,
                                  MIN (opacity, GIMP_OPACITY_OPAQUE),
                                  gimp_context_get_opacity (context),
                                  gimp_paint_options_get_brush_mode (paint_options),
                                  1.0,
                                  GIMP_PAINT_INCREMENTAL);
}
Пример #12
0
GdkPixbuf *
gimp_image_get_new_pixbuf (GimpViewable *viewable,
                           GimpContext  *context,
                           gint          width,
                           gint          height)
{
  GimpImage          *image = GIMP_IMAGE (viewable);
  GdkPixbuf          *pixbuf;
  gdouble             scale_x;
  gdouble             scale_y;
  GimpColorTransform *transform;

  scale_x = (gdouble) width  / (gdouble) gimp_image_get_width  (image);
  scale_y = (gdouble) height / (gdouble) gimp_image_get_height (image);

  pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
                           width, height);

  transform = gimp_image_get_color_transform_to_srgb_u8 (image);

  if (transform)
    {
      GimpTempBuf *temp_buf;
      GeglBuffer  *src_buf;
      GeglBuffer  *dest_buf;

      temp_buf = gimp_temp_buf_new (width, height,
                                    gimp_pickable_get_format (GIMP_PICKABLE (image)));

      gegl_buffer_get (gimp_pickable_get_buffer (GIMP_PICKABLE (image)),
                       GEGL_RECTANGLE (0, 0, width, height),
                       MIN (scale_x, scale_y),
                       gimp_temp_buf_get_format (temp_buf),
                       gimp_temp_buf_get_data (temp_buf),
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_CLAMP);

      src_buf  = gimp_temp_buf_create_buffer (temp_buf);
      dest_buf = gimp_pixbuf_create_buffer (pixbuf);

      gimp_temp_buf_unref (temp_buf);

      gimp_color_transform_process_buffer (transform,
                                           src_buf,
                                           GEGL_RECTANGLE (0, 0,
                                                           width, height),
                                           dest_buf,
                                           GEGL_RECTANGLE (0, 0, 0, 0));

      g_object_unref (src_buf);
      g_object_unref (dest_buf);
    }
  else
    {
      gegl_buffer_get (gimp_pickable_get_buffer (GIMP_PICKABLE (image)),
                       GEGL_RECTANGLE (0, 0, width, height),
                       MIN (scale_x, scale_y),
                       gimp_pixbuf_get_format (pixbuf),
                       gdk_pixbuf_get_pixels (pixbuf),
                       gdk_pixbuf_get_rowstride (pixbuf),
                       GEGL_ABYSS_CLAMP);
    }

  return pixbuf;
}
Пример #13
0
static void
gimp_view_renderer_image_render (GimpViewRenderer *renderer,
                                 GtkWidget        *widget)
{
  GimpViewRendererImage *rendererimage = GIMP_VIEW_RENDERER_IMAGE (renderer);
  GimpImage             *image         = GIMP_IMAGE (renderer->viewable);
  const gchar           *icon_name;

  /* The conditions checked here are mostly a hack to hide the fact that
   * we are creating the channel preview from the image preview and turning
   * off visibility of a channel has the side-effect of painting the channel
   * preview all black. See bug #459518 for details.
   */
  if (rendererimage->channel == -1 ||
      (gimp_image_get_component_visible (image, rendererimage->channel) &&
       gimp_image_get_component_visible (image, GIMP_ALPHA_CHANNEL)))
    {
      gint         view_width;
      gint         view_height;
      gdouble      xres;
      gdouble      yres;
      gboolean     scaling_up;
      GimpTempBuf *render_buf = NULL;

      gimp_image_get_resolution (image, &xres, &yres);

      gimp_viewable_calc_preview_size (gimp_image_get_width  (image),
                                       gimp_image_get_height (image),
                                       renderer->width,
                                       renderer->height,
                                       renderer->dot_for_dot,
                                       xres,
                                       yres,
                                       &view_width,
                                       &view_height,
                                       &scaling_up);

      if (scaling_up)
        {
          GimpTempBuf *temp_buf;

          temp_buf = gimp_viewable_get_new_preview (renderer->viewable,
                                                    renderer->context,
                                                    gimp_image_get_width  (image),
                                                    gimp_image_get_height (image));

          if (temp_buf)
            {
              render_buf = gimp_temp_buf_scale (temp_buf,
                                                view_width, view_height);
              gimp_temp_buf_unref (temp_buf);
            }
        }
      else
        {
          render_buf = gimp_viewable_get_new_preview (renderer->viewable,
                                                      renderer->context,
                                                      view_width,
                                                      view_height);
        }

      if (render_buf)
        {
          gint render_buf_x    = 0;
          gint render_buf_y    = 0;
          gint component_index = -1;

          /*  xresolution != yresolution */
          if (view_width > renderer->width || view_height > renderer->height)
            {
              GimpTempBuf *temp_buf;

              temp_buf = gimp_temp_buf_scale (render_buf,
                                              renderer->width, renderer->height);
              gimp_temp_buf_unref (render_buf);
              render_buf = temp_buf;
            }

          if (view_width  < renderer->width)
            render_buf_x = (renderer->width  - view_width)  / 2;

          if (view_height < renderer->height)
            render_buf_y = (renderer->height - view_height) / 2;

          if (rendererimage->channel != -1)
            component_index =
              gimp_image_get_component_index (image, rendererimage->channel);

          gimp_view_renderer_render_temp_buf (renderer, widget, render_buf,
                                              render_buf_x, render_buf_y,
                                              component_index,
                                              GIMP_VIEW_BG_CHECKS,
                                              GIMP_VIEW_BG_WHITE);
          gimp_temp_buf_unref (render_buf);

          return;
        }
    }

  switch (rendererimage->channel)
    {
    case GIMP_RED_CHANNEL:     icon_name = GIMP_STOCK_CHANNEL_RED;     break;
    case GIMP_GREEN_CHANNEL:   icon_name = GIMP_STOCK_CHANNEL_GREEN;   break;
    case GIMP_BLUE_CHANNEL:    icon_name = GIMP_STOCK_CHANNEL_BLUE;    break;
    case GIMP_GRAY_CHANNEL:    icon_name = GIMP_STOCK_CHANNEL_GRAY;    break;
    case GIMP_INDEXED_CHANNEL: icon_name = GIMP_STOCK_CHANNEL_INDEXED; break;
    case GIMP_ALPHA_CHANNEL:   icon_name = GIMP_STOCK_CHANNEL_ALPHA;   break;

    default:
      icon_name = gimp_viewable_get_icon_name (renderer->viewable);
      break;
    }

  gimp_view_renderer_render_icon (renderer, widget, icon_name);
}