Пример #1
0
static void
color_area_dialog_update (GimpColorDialog      *dialog,
                          const GimpRGB        *color,
                          GimpColorDialogState  state,
                          GimpContext          *context)
{
  switch (state)
    {
    case GIMP_COLOR_DIALOG_OK:
      gtk_widget_hide (color_dialog);
      color_dialog_active = FALSE;
      /* Fallthrough */

    case GIMP_COLOR_DIALOG_UPDATE:
      if (edit_color == GIMP_ACTIVE_COLOR_FOREGROUND)
        gimp_context_set_foreground (context, color);
      else
        gimp_context_set_background (context, color);
      break;

    case GIMP_COLOR_DIALOG_CANCEL:
      gtk_widget_hide (color_dialog);
      color_dialog_active = FALSE;
      gimp_context_set_foreground (context, &revert_fg);
      gimp_context_set_background (context, &revert_bg);
      break;
    }
}
Пример #2
0
/* --------------------------
 * p_create_corpus_layer
 * --------------------------
 * create the corpus layer that builds the reference pattern
 * for the resynthesizer call. The reference pattern is built
 * as duplicate of the original image reduced to the area around the current selection.
 * (grown by corpus_border_radius)
 * Note that the duplicate image has a selection, that includes the gorwn area
 * around the orignal selection, but EXCLUDES the original selection
 * (that is the area holding the object that has to be replaced
 * by pattern of the surrounding area)
 * returns the layer_id of the reference pattern.
 */
static gint32
p_create_corpus_layer(gint32 image_id, gint32 drawable_id, TransValues *val_ptr)
{
  gint32 dup_image_id;
  gint32 channel_id;
  gint32 channel_2_id;
  GimpRGB  bck_color;
  GimpRGB  white_opaque_color;
  /* gboolean has_selection; */
  gboolean non_empty;
  gint     x1, y1, x2, y2;
  gint32   active_layer_stackposition;
  gint32   active_dup_layer_id;


  active_layer_stackposition = gap_layer_get_stackposition(image_id, drawable_id);

  dup_image_id = gimp_image_duplicate(image_id);

  channel_id = gimp_selection_save(dup_image_id);
  gimp_selection_grow(dup_image_id, val_ptr->corpus_border_radius);
  gimp_selection_invert(dup_image_id);

  gimp_context_get_background(&bck_color);
  channel_2_id = gimp_selection_save(dup_image_id);

  gimp_image_select_item(dup_image_id, GIMP_CHANNEL_OP_REPLACE, channel_id);

  gimp_rgba_set_uchar (&white_opaque_color, 255, 255, 255, 255);
  gimp_context_set_background(&white_opaque_color);
  gimp_edit_clear(channel_2_id);


  gimp_context_set_background(&bck_color);  /* restore original background color */

  gimp_selection_load(channel_2_id);

  gimp_selection_invert(dup_image_id);

  /* has_selection  = */ gimp_selection_bounds(dup_image_id, &non_empty, &x1, &y1, &x2, &y2);
  gimp_image_crop(dup_image_id, (x2 - x1), (y2 - y1), x1, y1);

  gimp_selection_invert(dup_image_id);
  active_dup_layer_id = gap_layer_get_id_by_stackposition(dup_image_id, active_layer_stackposition);

  if (1==0)
  {
    /* debug code shows the duplicate image by adding a display */
    gimp_display_new(dup_image_id);
  }
  return (active_dup_layer_id);

}  /* end p_create_corpus_layer */
Пример #3
0
void
context_background_blue_cmd_callback (GtkAction *action,
                                      gint       value,
                                      gpointer   data)
{
  GimpContext *context;
  GimpRGB      color;
  return_if_no_context (context, data);

  gimp_context_get_background (context, &color);
  color.b = action_select_value ((GimpActionSelectType) value,
                                 color.b,
                                 0.0, 1.0, 1.0,
                                 1.0 / 255.0, 0.01, 0.1, 0.0, FALSE);
  gimp_context_set_background (context, &color);
}
Пример #4
0
static void
palette_editor_entry_clicked (GimpPaletteView   *view,
                              GimpPaletteEntry  *entry,
                              GdkModifierType    state,
                              GimpPaletteEditor *editor)
{
  if (entry)
    {
      GimpDataEditor *data_editor = GIMP_DATA_EDITOR (editor);

      if (state & gimp_get_toggle_behavior_mask ())
        gimp_context_set_background (data_editor->context, &entry->color);
      else
        gimp_context_set_foreground (data_editor->context, &entry->color);
    }
}
Пример #5
0
void
context_background_value_cmd_callback (GtkAction *action,
                                       gint       value,
                                       gpointer   data)
{
  GimpContext *context;
  GimpRGB      color;
  GimpHSV      hsv;
  return_if_no_context (context, data);

  gimp_context_get_background (context, &color);
  gimp_rgb_to_hsv (&color, &hsv);
  hsv.v = action_select_value ((GimpActionSelectType) value,
                               hsv.v,
                               0.0, 1.0, 1.0,
                               0.01, 0.01, 0.1, 0.0, FALSE);
  gimp_hsv_to_rgb (&hsv, &color);
  gimp_context_set_background (context, &color);
}
Пример #6
0
/*
 * gfig_style_apply() applies the settings from the specified style to
 * the GIMP core.  It does not change any widgets, and does not cause
 * a repaint.
 */
void
gfig_style_apply (Style *style)
{
  if (gfig_context->debug_styles)
    g_printerr ("Applying style '%s' -- ", style->name);

  gimp_context_set_foreground (&style->foreground);

  gimp_context_set_background (&style->background);

  if (!gimp_context_set_brush (style->brush_name))
    g_message ("Style apply: Failed to set brush to '%s' in style '%s'",
               style->brush_name, style->name);

  gimp_context_set_pattern (style->pattern);

  gimp_context_set_gradient (style->gradient);

  if (gfig_context->debug_styles)
    g_printerr ("done.\n");
}
Пример #7
0
static void
gimp_color_tool_real_picked (GimpColorTool      *color_tool,
                             GimpColorPickState  pick_state,
                             gdouble             x,
                             gdouble             y,
                             const Babl         *sample_format,
                             const GimpRGB      *color,
                             gint                color_index)
{
  GimpTool          *tool = GIMP_TOOL (color_tool);
  GimpContext       *context;

  /*  use this tool's own options here (NOT color_tool->options)  */
  context = GIMP_CONTEXT (gimp_tool_get_options (tool));

  if (color_tool->pick_mode == GIMP_COLOR_PICK_MODE_FOREGROUND ||
      color_tool->pick_mode == GIMP_COLOR_PICK_MODE_BACKGROUND)
    {
      GtkWidget *widget;

      if (babl_format_is_palette (sample_format))
        {
          widget = gimp_dialog_factory_find_widget (gimp_dialog_factory_get_singleton (),
                                                    "gimp-indexed-palette");
          if (widget)
            {
              GimpColormapEditor *editor;

              editor = GIMP_COLORMAP_EDITOR (gtk_bin_get_child (GTK_BIN (widget)));

              gimp_colormap_editor_set_index (editor, color_index, NULL);
            }
        }

      if (TRUE)
        {
          widget = gimp_dialog_factory_find_widget (gimp_dialog_factory_get_singleton (),
                                                    "gimp-palette-editor");
          if (widget)
            {
              GimpPaletteEditor *editor;
              gint               index;

              editor = GIMP_PALETTE_EDITOR (gtk_bin_get_child (GTK_BIN (widget)));

              index = gimp_palette_editor_get_index (editor, color);
              if (index != -1)
                gimp_palette_editor_set_index (editor, index, NULL);
            }
        }
    }

  switch (color_tool->pick_mode)
    {
    case GIMP_COLOR_PICK_MODE_NONE:
      break;

    case GIMP_COLOR_PICK_MODE_FOREGROUND:
      gimp_context_set_foreground (context, color);
      break;

    case GIMP_COLOR_PICK_MODE_BACKGROUND:
      gimp_context_set_background (context, color);
      break;

    case GIMP_COLOR_PICK_MODE_PALETTE:
      {
        GimpDisplayShell *shell  = gimp_display_get_shell (tool->display);
        GdkScreen        *screen = gtk_widget_get_screen (GTK_WIDGET (shell));
        GtkWidget        *dockable;

        dockable =
          gimp_window_strategy_show_dockable_dialog (GIMP_WINDOW_STRATEGY (gimp_get_window_strategy (tool->display->gimp)),
                                                     tool->display->gimp,
                                                     gimp_dialog_factory_get_singleton (),
                                                     screen,
                                                     "gimp-palette-editor");

        if (dockable)
          {
            GtkWidget *palette_editor;
            GimpData  *data;

            /* don't blink like mad when updating */
            if (pick_state == GIMP_COLOR_PICK_STATE_UPDATE)
              gimp_dockable_blink_cancel (GIMP_DOCKABLE (dockable));

            palette_editor = gtk_bin_get_child (GTK_BIN (dockable));

            data = gimp_data_editor_get_data (GIMP_DATA_EDITOR (palette_editor));

            if (! data)
              {
                data = GIMP_DATA (gimp_context_get_palette (context));

                gimp_data_editor_set_data (GIMP_DATA_EDITOR (palette_editor),
                                           data);
              }

            gimp_palette_editor_pick_color (GIMP_PALETTE_EDITOR (palette_editor),
                                            color, pick_state);
          }
      }
      break;
    }
}
static gboolean apply_resize(resize_settings settings, image_output out) 
{
    gboolean success = FALSE;
    gint orig_w, orig_h, final_w, final_h, view_w, view_h;
    gdouble orig_res_x, orig_res_y;
    
    if (settings->change_res) {
        success = gimp_image_get_resolution(
            out->image_id,
            &orig_res_x,
            &orig_res_y
        );
        
        if ((settings->new_res_x != orig_res_x) || (settings->new_res_y != orig_res_y)) {
            // change resolution 
            success = gimp_image_set_resolution(
                out->image_id,
                settings->new_res_x,
                settings->new_res_y
            );
        }
    }

    orig_w = gimp_image_width(out->image_id);
    orig_h = gimp_image_height(out->image_id);
    
    if (settings->resize_mode == RESIZE_PERCENT) {
        
        if (settings->stretch_mode == STRETCH_ASPECT) {
            gdouble newpct = min(settings->new_w_pc, settings->new_h_pc);
            
            final_w = view_w = round((orig_w * newpct) / 100.0);
            final_h = view_h = round((orig_h * newpct) / 100.0);
        }
        else if (settings->stretch_mode == STRETCH_PADDED) {
            gdouble newpct = min(settings->new_w_pc, settings->new_h_pc);
            
            final_w = round((orig_w * newpct) / 100.0);
            final_h = round((orig_h * newpct) / 100.0);
            view_w = round((orig_w * settings->new_w_pc) / 100.0);
            view_h = round((orig_h * settings->new_h_pc) / 100.0);
        }
        else {
            final_w = view_w = round((orig_w * settings->new_w_pc) / 100.0);
            final_h = view_h = round((orig_h * settings->new_h_pc) / 100.0);
        }
    }
    else {
        // user typed exact pixel size 
        if (settings->resize_mode == RESIZE_PIXEL_WIDTH) {
            view_w = settings->new_w_px; // width is fixed 
            
            if (settings->stretch_mode == STRETCH_ASPECT) {
                final_w = view_w;
                final_h = view_h = round(((float)final_w * orig_h) / orig_w);
            }
            else if (settings->stretch_mode == STRETCH_PADDED) {
                final_w = min(view_w, orig_w);
                final_h = round(((float)final_w * orig_h) / orig_w);
                view_h = max(orig_h, final_h);
            }
            else {
                final_w = view_w;
                final_h = view_h = orig_h;
            }
        }
        else if (settings->resize_mode == RESIZE_PIXEL_HEIGHT) {
            view_h = settings->new_h_px; // height is fixed
            
            if (settings->stretch_mode == STRETCH_ASPECT) {
                final_h = view_h;
                final_w = view_w = round(((float)final_h * orig_w) / orig_h);
            }
            else if (settings->stretch_mode == STRETCH_PADDED) {
                final_h = min(view_h, orig_h);
                final_w = round(((float)final_h * orig_w) / orig_h);
                view_w = max(orig_w, final_w);
            }
            else {
                final_h = view_h;
                final_w = view_w = orig_w;
            }
        }
        else {
            // both dimensions are defined 
            if (settings->stretch_mode == STRETCH_ASPECT) {
                // Find which new dimension is the smallest percentage of the existing image dimension
                gdouble newwpct = (float)settings->new_w_px / (float)orig_w;
                gdouble newhpct = (float)settings->new_h_px / (float)orig_h;
                gdouble newpct = min(newwpct, newhpct);

                final_w = view_w = round(orig_w * newpct);
                final_h = view_h = round(orig_h * newpct);
            }
            else if (settings->stretch_mode == STRETCH_PADDED) {
                // Find which new dimension is the smallest percentage of the existing image dimension
                gdouble newwpct = (float)settings->new_w_px / (float)orig_w;
                gdouble newhpct = (float)settings->new_h_px / (float)orig_h;
                gdouble newpct = min(newwpct, newhpct);
                
                final_w = round(orig_w * newpct);
                final_h = round(orig_h * newpct);
                view_w = round(orig_w * newwpct);
                view_h = round(orig_h * newhpct);
            }
            else {
                final_w = view_w = settings->new_w_px;
                final_h = view_h = settings->new_h_px;
            }
        }
    }
    
    // do resize 
    #if USE_API26
    
        success = gimp_image_scale_full (
            out->image_id, 
            final_w, 
            final_h, 
            settings->interpolation
        );
        
    #else
    
        // starting from 2.8, gimp_image_scale_full is deprecated. 
        // use gimp_image_scale instead
        GimpInterpolationType old_interpolation;
        old_interpolation = gimp_context_get_interpolation();
        
        success = gimp_context_set_interpolation (settings->interpolation);
        
        success = gimp_image_scale (
            out->image_id, 
            final_w, 
            final_h
        );
        
        success = gimp_context_set_interpolation (old_interpolation);
    
    #endif
    
    // add a padding if requested
    if (settings->stretch_mode == STRETCH_PADDED) {
        
        // the padding will be drawn using a coloured layer at the bottom of the image
        gint32 layerId = gimp_layer_new(
            out->image_id,
            "padding_layer",
            view_w, view_h,
            GIMP_RGBA_IMAGE,
            (settings->padding_color_alpha / (float)G_MAXUINT16) * 100,
            GIMP_NORMAL_MODE
        );
        
        #if USE_API26
        
            gimp_image_add_layer (
                out->image_id,
                layerId,
                0
            );
            
            gimp_image_lower_layer_to_bottom(out->image_id, layerId);
        
        #else
            
            gimp_image_insert_layer(
                out->image_id,
                layerId,
                0,
                0
            );
            
            gimp_image_lower_item_to_bottom(out->image_id, layerId);
            
        #endif
        
        // fill it with the selected color
        GimpRGB old_background, new_background;
            
        gimp_context_get_background(&old_background);
        gimp_rgb_parse_hex (&new_background, gdk_color_to_string(&(settings->padding_color)), strlen(gdk_color_to_string(&(settings->padding_color))));
        gimp_context_set_background(&new_background);
        gimp_drawable_fill(layerId, GIMP_BACKGROUND_FILL);
        gimp_context_set_background(&old_background);
        
        // move it to the center
        gimp_layer_translate(layerId, -abs(view_w - final_w) / 2, -abs(view_h - final_h) / 2);
        
        // finish changing the canvas size accordingly
        success = gimp_image_resize_to_layers(out->image_id);
    }
    
    return success;
}
Пример #9
0
/* Compose a roll film image from several images */
static gint32
film (void)
{
  gint          width, height;
  guchar       *hole;
  gint          film_height, film_width;
  gint          picture_width, picture_height;
  gint          picture_space, picture_x0, picture_y0;
  gint          hole_offset, hole_width, hole_height, hole_space, hole_x;
  gint          number_height, num_images, num_pictures;
  gint          j, k, picture_count;
  gdouble       f;
  gint          num_layers;
  gint32       *image_ID_src, image_ID_dst, layer_ID_src, layer_ID_dst;
  gint          image_ID_tmp;
  gint32       *layers;
  GimpDrawable *drawable_dst;
  GimpPixelRgn  pixel_rgn_dst;
  gint          new_layer;
  gint          floating_sel;

  /* initialize */

  layers = NULL;

  num_images = filmvals.num_images;
  image_ID_src = filmvals.image;

  if (num_images <= 0)
    return (-1);

  gimp_context_push ();
  gimp_context_set_foreground (&filmvals.number_color);
  gimp_context_set_background (&filmvals.film_color);

  if (filmvals.keep_height) /* Search maximum picture height */
    {
      picture_height = 0;
      for (j = 0; j < num_images; j++)
        {
          height = gimp_image_height (image_ID_src[j]);
          if (height > picture_height) picture_height = height;
        }
      film_height = (int)(picture_height / filmvals.picture_height + 0.5);
      filmvals.film_height = film_height;
    }
  else
    {
      film_height = filmvals.film_height;
      picture_height = (int)(film_height * filmvals.picture_height + 0.5);
    }

  picture_space = (int)(film_height * filmvals.picture_space + 0.5);
  picture_y0 = (film_height - picture_height)/2;

  number_height = film_height * filmvals.number_height;

  /* Calculate total film width */
  film_width = 0;
  num_pictures = 0;
  for (j = 0; j < num_images; j++)
    {
      layers = gimp_image_get_layers (image_ID_src[j], &num_layers);
      /* Get scaled image size */
      width = gimp_image_width (image_ID_src[j]);
      height = gimp_image_height (image_ID_src[j]);
      f = ((double)picture_height) / (double)height;
      picture_width = width * f;

      for (k = 0; k < num_layers; k++)
        {
          if (gimp_layer_is_floating_sel (layers[k]))
            continue;

          film_width += (picture_space/2);  /* Leading space */
          film_width += picture_width;      /* Scaled image width */
          film_width += (picture_space/2);  /* Trailing space */
          num_pictures++;
        }

      g_free (layers);
    }

#ifdef FILM_DEBUG
  g_printerr ("film_height = %d, film_width = %d\n", film_height, film_width);
  g_printerr ("picture_height = %d, picture_space = %d, picture_y0 = %d\n",
              picture_height, picture_space, picture_y0);
  g_printerr ("Number of pictures = %d\n", num_pictures);
#endif

  image_ID_dst = create_new_image (_("Untitled"),
                                   (guint) film_width, (guint) film_height,
                                   GIMP_RGB_IMAGE, &layer_ID_dst,
                                   &drawable_dst, &pixel_rgn_dst);

  /* Fill film background */
  gimp_drawable_fill (layer_ID_dst, GIMP_FILL_BACKGROUND);

  /* Draw all the holes */
  hole_offset = film_height * filmvals.hole_offset;
  hole_width = film_height * filmvals.hole_width;
  hole_height = film_height * filmvals.hole_height;
  hole_space = film_height * filmvals.hole_space;
  hole_x = hole_space / 2;

#ifdef FILM_DEBUG
  g_printerr ("hole_x %d hole_offset %d hole_width %d hole_height %d hole_space %d\n",
              hole_x, hole_offset, hole_width, hole_height, hole_space );
#endif

  hole = create_hole_rgb (hole_width, hole_height);
  if (hole)
    {
      while (hole_x < film_width)
        {
          draw_hole_rgb (drawable_dst, hole_x,
                         hole_offset,
                         hole_width, hole_height, hole);
          draw_hole_rgb (drawable_dst, hole_x,
                         film_height-hole_offset-hole_height,
                         hole_width, hole_height, hole);

          hole_x += hole_width + hole_space;
        }
      g_free (hole);
    }
  gimp_drawable_detach (drawable_dst);


  /* Compose all images and layers */
  picture_x0 = 0;
  picture_count = 0;
  for (j = 0; j < num_images; j++)
    {
      image_ID_tmp = gimp_image_duplicate (image_ID_src[j]);
      width = gimp_image_width (image_ID_tmp);
      height = gimp_image_height (image_ID_tmp);
      f = ((gdouble) picture_height) / (gdouble) height;
      picture_width = width * f;
      if (gimp_image_base_type (image_ID_tmp) != GIMP_RGB)
        gimp_image_convert_rgb (image_ID_tmp);
      gimp_image_scale (image_ID_tmp, picture_width, picture_height);

      layers = gimp_image_get_layers (image_ID_tmp, &num_layers);
      for (k = 0; k < num_layers; k++)
        {
          if (gimp_layer_is_floating_sel (layers[k]))
            continue;

          picture_x0 += picture_space / 2;

          layer_ID_src = layers[k];
          gimp_layer_resize_to_image_size (layer_ID_src);
          new_layer = gimp_layer_new_from_drawable (layer_ID_src,
                                                    image_ID_dst);
          gimp_image_insert_layer (image_ID_dst, new_layer, -1, -1);
          gimp_layer_set_offsets (new_layer, picture_x0, picture_y0);

          /* Draw picture numbers */
          if ((number_height > 0) &&
              (filmvals.number_pos[0] || filmvals.number_pos[1]))
            {
              if (filmvals.number_pos[0])
                draw_number (layer_ID_dst,
                             filmvals.number_start + picture_count,
                             picture_x0 + picture_width/2,
                             (hole_offset-number_height)/2, number_height);
              if (filmvals.number_pos[1])
                draw_number (layer_ID_dst,
                             filmvals.number_start + picture_count,
                             picture_x0 + picture_width/2,
                             film_height - (hole_offset + number_height)/2,
                             number_height);
            }

          picture_x0 += picture_width + (picture_space/2);

          gimp_progress_update (((gdouble) (picture_count + 1)) /
                                (gdouble) num_pictures);

          picture_count++;
        }

      g_free (layers);
      gimp_image_delete (image_ID_tmp);
    }
  gimp_progress_update (1.0);

  gimp_image_flatten (image_ID_dst);

  /* Drawing text/numbers leaves us with a floating selection. Stop it */
  floating_sel = gimp_image_get_floating_sel (image_ID_dst);
  if (floating_sel != -1)
    gimp_floating_sel_anchor (floating_sel);

  gimp_context_pop ();

  return image_ID_dst;
}
Пример #10
0
static void
gimp_color_tool_real_picked (GimpColorTool      *color_tool,
                             GimpColorPickState  pick_state,
                             GimpImageType       sample_type,
                             GimpRGB            *color,
                             gint                color_index)
{
  GimpTool          *tool = GIMP_TOOL (color_tool);
  GimpContext       *context;
  GimpDialogFactory *dialog_factory;

  /*  use this tool's own options here (NOT color_tool->options)  */
  context = GIMP_CONTEXT (gimp_tool_get_options (tool));

  dialog_factory = gimp_dialog_factory_from_name ("dock");

  if (color_tool->pick_mode == GIMP_COLOR_PICK_MODE_FOREGROUND ||
      color_tool->pick_mode == GIMP_COLOR_PICK_MODE_BACKGROUND)
    {
      GimpSessionInfo *info;

      if (GIMP_IMAGE_TYPE_IS_INDEXED (sample_type))
        {
          info = gimp_dialog_factory_find_session_info (dialog_factory,
                                                        "gimp-indexed-palette");
          if (info && info->widget)
            {
              GimpColormapEditor *editor;

              editor = GIMP_COLORMAP_EDITOR (gtk_bin_get_child (GTK_BIN (info->widget)));

              gimp_colormap_editor_set_index (editor, color_index, NULL);
            }
        }

      if (TRUE)
        {
          info = gimp_dialog_factory_find_session_info (dialog_factory,
                                                        "gimp-palette-editor");
          if (info && info->widget)
            {
              GimpPaletteEditor *editor;
              gint               index;

              editor = GIMP_PALETTE_EDITOR (gtk_bin_get_child (GTK_BIN (info->widget)));

              index = gimp_palette_editor_get_index (editor, color);
              if (index != -1)
                gimp_palette_editor_set_index (editor, index, NULL);
            }
        }
    }

  switch (color_tool->pick_mode)
    {
    case GIMP_COLOR_PICK_MODE_NONE:
      break;

    case GIMP_COLOR_PICK_MODE_FOREGROUND:
      gimp_context_set_foreground (context, color);
      break;

    case GIMP_COLOR_PICK_MODE_BACKGROUND:
      gimp_context_set_background (context, color);
      break;

    case GIMP_COLOR_PICK_MODE_PALETTE:
      {
        GdkScreen *screen;
        GtkWidget *dockable;

        screen = gtk_widget_get_screen (tool->display->shell);
        dockable = gimp_dialog_factory_dialog_raise (dialog_factory, screen,
                                                     "gimp-palette-editor",
                                                     -1);
        if (dockable)
          {
            GtkWidget *palette_editor;
            GimpData  *data;

            /* don't blink like mad when updating */
            if (pick_state == GIMP_COLOR_PICK_STATE_UPDATE)
              gimp_dockable_blink_cancel (GIMP_DOCKABLE (dockable));

            palette_editor = gtk_bin_get_child (GTK_BIN (dockable));

            data = gimp_data_editor_get_data (GIMP_DATA_EDITOR (palette_editor));

            if (! data)
              {
                data = GIMP_DATA (gimp_context_get_palette (context));

                gimp_data_editor_set_data (GIMP_DATA_EDITOR (palette_editor),
                                           data);
              }

            gimp_palette_editor_pick_color (GIMP_PALETTE_EDITOR (palette_editor),
                                            color, pick_state);
          }
      }
      break;
    }
}
Пример #11
0
/**
 * gimp_palette_set_background:
 * @background: The background color.
 *
 * Set the current GIMP background color.
 *
 * This procedure sets the current GIMP background color. After this is
 * set, operations which use background such as blending, filling
 * images, clearing, and erasing (in non-alpha images) will use the new
 * value.
 *
 * Returns: TRUE on success.
 */
gboolean
gimp_palette_set_background (const GimpRGB *background)
{
  return gimp_context_set_background (background);
}
Пример #12
0
/* --------------------------------------------
 * gap_fg_from_selection_exec_apply_run
 * --------------------------------------------
 * generate a tri map from the current selection by filling the shrinked
 * shape with white, the expanded shape with black and the borderline
 * between shrinked and expanded selection with medium gray.
 * the trimap is attached as layermask to the input drawable,
 * and used as input for the foreground selection via alpha matting algorithm,
 * that creates a resulting layer with trimmed selection.
 *
 */
gint
gap_fg_from_selection_exec_apply_run (gint32 image_id, gint32 drawable_id
                             , gboolean doProgress, gboolean doFlush
                             , GapFgSelectValues *fsValPtr)
{
  GimpRGB   color;
  gint32    activeSelection;
  gint32    shrinkedSelection;
  gint32    trimap;
  gboolean  hadSelection;
  gint      rc;

  rc = 0;
  trimap = -1;
  activeSelection = -1;
  shrinkedSelection = -1;
  hadSelection = FALSE;
  
  gimp_context_push();
  gimp_image_undo_group_start(image_id);
  

  if (gimp_selection_is_empty(image_id) == TRUE)
  {
     if (gimp_drawable_has_alpha(drawable_id) == FALSE)
     {
       /* if the layer has no alpha select all */
       gimp_selection_all(image_id);
     }
     else
     {
       gimp_selection_layer_alpha(drawable_id);
     }
     activeSelection = gimp_selection_save(image_id);
  }
  else
  {
    activeSelection = gimp_selection_save(image_id);
    hadSelection = TRUE;
  }


  trimap = gimp_layer_get_mask(drawable_id);
  if (trimap < 0)
  {
    /* create trimap as new layermask */
    trimap = gimp_layer_create_mask(drawable_id, GIMP_ADD_BLACK_MASK);
    gimp_layer_add_mask(drawable_id, trimap);
  }
  else
  {
    /* use BLACK color to fill the already existing layermask
     * (note that gimp_drawable_fill is used to fill the entire mask
     * regardless to the current selection)
     */
    color.r = 0.0;
    color.g = 0.0;
    color.b = 0.0;
    color.a = 1.0;
    gimp_context_set_background (&color);
    gimp_drawable_fill(trimap, GIMP_BACKGROUND_FILL);
  }
  
  gimp_selection_sharpen(image_id);
  if (fsValPtr->innerRadius > 0)
  {
    gimp_selection_shrink(image_id, fsValPtr->innerRadius);
  }
  shrinkedSelection = gimp_selection_save(image_id);
  
  
  /* use WHITE color to mark foreground regions
   */
  color.r = 1.0;
  color.g = 1.0;
  color.b = 1.0;
  color.a = 1.0;
  gimp_context_set_background (&color);
  gimp_edit_fill(trimap, GIMP_BACKGROUND_FILL);
  
  gimp_selection_load(activeSelection);
  gimp_selection_sharpen(image_id);
  if (fsValPtr->outerRadius > 0)
  {
    gimp_selection_grow(image_id, fsValPtr->outerRadius);
  }
  gimp_selection_combine(shrinkedSelection, GIMP_CHANNEL_OP_SUBTRACT);

  /* use medium GRAY to mark undefined regions
   */
  color.r = 0.5;
  color.g = 0.5;
  color.b = 0.5;
  color.a = 1.0;
  gimp_context_set_background (&color);
  gimp_edit_fill(trimap, GIMP_BACKGROUND_FILL);

  gimp_selection_none(image_id);

  /* perform the foreground selection (that creates the resulting layer) */
  {
    GapFgExtractValues fgExtractValues;
    GapFgExtractValues *fgValPtr;
    
    fgValPtr = &fgExtractValues;
    fgValPtr->input_drawable_id = drawable_id;
    fgValPtr->tri_map_drawable_id = trimap;
    fgValPtr->create_result = TRUE;
    fgValPtr->create_layermask = fsValPtr->create_layermask;
    fgValPtr->lock_color = fsValPtr->lock_color;
    fgValPtr->colordiff_threshold = fsValPtr->colordiff_threshold;

    rc = gap_fg_matting_exec_apply_run (image_id, drawable_id
                                 , doProgress, doFlush
                                 , fgValPtr
                                 );
  }
  
  
  /* restore original selection */
  if (hadSelection == TRUE)
  {
    gimp_selection_load(activeSelection);
  }

  gimp_image_undo_group_end(image_id);
  gimp_context_pop();
  
  return (rc);

}  /* end gap_fg_from_selection_exec_apply_run */