Example #1
0
static gboolean
gimp_crop_tool_execute (GimpRectangleTool  *rectangle,
                        gint                x,
                        gint                y,
                        gint                w,
                        gint                h)
{
  GimpTool        *tool    = GIMP_TOOL (rectangle);
  GimpCropOptions *options = GIMP_CROP_TOOL_GET_OPTIONS (tool);
  GimpImage       *image   = gimp_display_get_image (tool->display);

  gimp_tool_pop_status (tool, tool->display);

  /* if rectangle exists, crop it */
  if (w > 0 && h > 0)
    {
      if (options->layer_only)
        {
          GimpLayer *layer = gimp_image_get_active_layer (image);
          gint       off_x, off_y;

          if (! layer)
            {
              gimp_tool_message_literal (tool, tool->display,
                                         _("There is no active layer to crop."));
              return FALSE;
            }

          if (gimp_item_is_content_locked (GIMP_ITEM (layer)))
            {
              gimp_tool_message_literal (tool, tool->display,
                                         _("The active layer's pixels are locked."));
              return FALSE;
            }

          gimp_item_get_offset (GIMP_ITEM (layer), &off_x, &off_y);

          off_x -= x;
          off_y -= y;

          gimp_item_resize (GIMP_ITEM (layer), GIMP_CONTEXT (options),
                            w, h, off_x, off_y);
        }
      else
        {
          gimp_image_crop (image, GIMP_CONTEXT (options),
                           x, y, w + x, h + y,
                           TRUE);
        }

      gimp_image_flush (image);

      return TRUE;
    }

  return TRUE;
}
Example #2
0
static gboolean
gimp_text_layer_render (GimpTextLayer *layer)
{
  GimpDrawable   *drawable;
  GimpItem       *item;
  GimpImage      *image;
  GimpTextLayout *layout;
  gdouble         xres;
  gdouble         yres;
  gint            width;
  gint            height;

  if (! layer->text)
    return FALSE;

  drawable = GIMP_DRAWABLE (layer);
  item     = GIMP_ITEM (layer);
  image    = gimp_item_get_image (item);

  if (gimp_container_is_empty (image->gimp->fonts))
    {
      gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_ERROR,
			    _("Due to lack of any fonts, "
			      "text functionality is not available."));
      return FALSE;
    }

  gimp_image_get_resolution (image, &xres, &yres);

  layout = gimp_text_layout_new (layer->text, xres, yres);

  g_object_freeze_notify (G_OBJECT (drawable));

  if (gimp_text_layout_get_size (layout, &width, &height) &&
      (width  != gimp_item_get_width  (item) ||
       height != gimp_item_get_height (item)))
    {
      GeglBuffer *new_buffer;

      new_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
                                    gimp_drawable_get_format (drawable));
      gimp_drawable_set_buffer (drawable, FALSE, NULL, new_buffer);
      g_object_unref (new_buffer);

      if (gimp_layer_get_mask (GIMP_LAYER (layer)))
        {
          GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (layer));

          static GimpContext *unused_eek = NULL;

          if (! unused_eek)
            unused_eek = gimp_context_new (image->gimp, "eek", NULL);

          gimp_item_resize (GIMP_ITEM (mask), unused_eek, width, height, 0, 0);
        }
    }

  if (layer->auto_rename)
    {
      GimpItem *item = GIMP_ITEM (layer);
      gchar    *name = NULL;

      if (layer->text->text)
        {
          name = gimp_utf8_strtrim (layer->text->text, 30);
        }
      else if (layer->text->markup)
        {
          gchar *tmp = gimp_markup_extract_text (layer->text->markup);
          name = gimp_utf8_strtrim (tmp, 30);
          g_free (tmp);
        }

      if (! name)
        name = g_strdup (_("Empty Text Layer"));

      if (gimp_item_is_attached (item))
        {
          gimp_item_tree_rename_item (gimp_item_get_tree (item), item,
                                      name, FALSE, NULL);
          g_free (name);
        }
      else
        {
          gimp_object_take_name (GIMP_OBJECT (layer), name);
        }
    }

  gimp_text_layer_render_layout (layer, layout);

  g_object_unref (layout);

  g_object_thaw_notify (G_OBJECT (drawable));

  return (width > 0 && height > 0);
}
Example #3
0
void
gimp_image_crop (GimpImage   *image,
                 GimpContext *context,
                 gint         x1,
                 gint         y1,
                 gint         x2,
                 gint         y2,
                 gboolean     active_layer_only,
                 gboolean     crop_layers)
{
  gint width, height;
  gint previous_width, previous_height;

  g_return_if_fail (GIMP_IS_IMAGE (image));
  g_return_if_fail (GIMP_IS_CONTEXT (context));

  previous_width  = gimp_image_get_width (image);
  previous_height = gimp_image_get_height (image);

  width  = x2 - x1;
  height = y2 - y1;

  /*  Make sure new width and height are non-zero  */
  if (width < 1 || height < 1)
    return;

  gimp_set_busy (image->gimp);

  if (active_layer_only)
    {
      GimpLayer *layer;
      gint       off_x, off_y;

      layer = gimp_image_get_active_layer (image);

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

      off_x -= x1;
      off_y -= y1;

      gimp_item_resize (GIMP_ITEM (layer), context, width, height, off_x, off_y);
    }
  else
    {
      GimpItem *item;
      GList    *list;

      g_object_freeze_notify (G_OBJECT (image));

      if (crop_layers)
        gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CROP,
                                     C_("command", "Crop Image"));
      else
        gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE,
                                     _("Resize Image"));

      /*  Push the image size to the stack  */
      gimp_image_undo_push_image_size (image,
                                       NULL,
                                       x1,
                                       y1,
                                       width,
                                       height);

      /*  Set the new width and height  */
      g_object_set (image,
                    "width",  width,
                    "height", height,
                    NULL);

      /*  Resize all channels  */
      for (list = GIMP_LIST (image->channels)->list;
           list;
           list = g_list_next (list))
        {
          item = (GimpItem *) list->data;

          gimp_item_resize (item, context, width, height, -x1, -y1);
        }

      /*  Resize all vectors  */
      for (list = GIMP_LIST (image->vectors)->list;
           list;
           list = g_list_next (list))
        {
          item = (GimpItem *) list->data;

          gimp_item_resize (item, context, width, height, -x1, -y1);
        }

      /*  Don't forget the selection mask!  */
      gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)), context,
                        width, height, -x1, -y1);

      /*  crop all layers  */
      list = GIMP_LIST (image->layers)->list;

      while (list)
        {
          item = (GimpItem *) list->data;

          list = g_list_next (list);

          gimp_item_translate (item, -x1, -y1, TRUE);

          if (crop_layers)
            {
              gint off_x, off_y;
              gint lx1, ly1, lx2, ly2;

              gimp_item_offsets (item, &off_x, &off_y);

              lx1 = CLAMP (off_x, 0, gimp_image_get_width  (image));
              ly1 = CLAMP (off_y, 0, gimp_image_get_height (image));
              lx2 = CLAMP (gimp_item_width  (item) + off_x,
                           0, gimp_image_get_width (image));
              ly2 = CLAMP (gimp_item_height (item) + off_y,
                           0, gimp_image_get_height (image));

              width  = lx2 - lx1;
              height = ly2 - ly1;

              if (width > 0 && height > 0)
                gimp_item_resize (item, context, width, height,
                                  -(lx1 - off_x),
                                  -(ly1 - off_y));
              else
                gimp_image_remove_layer (image, GIMP_LAYER (item));
            }
        }

      /*  Reposition or remove all guides  */
      list = gimp_image_get_guides (image);
      while (list)
        {
          GimpGuide *guide        = list->data;
          gboolean   remove_guide = FALSE;
          gint       position     = gimp_guide_get_position (guide);

          list = g_list_next (list);

          switch (gimp_guide_get_orientation (guide))
            {
            case GIMP_ORIENTATION_HORIZONTAL:
              if ((position < y1) || (position > y2))
                remove_guide = TRUE;
              else
                position -= y1;
              break;

            case GIMP_ORIENTATION_VERTICAL:
              if ((position < x1) || (position > x2))
                remove_guide = TRUE;
              else
                position -= x1;
              break;

            default:
              break;
            }

          if (remove_guide)
            gimp_image_remove_guide (image, guide, TRUE);
          else if (position != gimp_guide_get_position (guide))
            gimp_image_move_guide (image, guide, position, TRUE);
        }

      /*  Reposition or remove sample points  */
      list = gimp_image_get_sample_points (image);
      while (list)
        {
          GimpSamplePoint *sample_point        = list->data;
          gboolean         remove_sample_point = FALSE;
          gint             new_x               = sample_point->x;
          gint             new_y               = sample_point->y;

          list = g_list_next (list);

          new_y -= y1;
          if ((sample_point->y < y1) || (sample_point->y > y2))
            remove_sample_point = TRUE;

          new_x -= x1;
          if ((sample_point->x < x1) || (sample_point->x > x2))
            remove_sample_point = TRUE;

          if (remove_sample_point)
            gimp_image_remove_sample_point (image, sample_point, TRUE);
          else if (new_x != sample_point->x || new_y != sample_point->y)
            gimp_image_move_sample_point (image, sample_point,
                                          new_x, new_y, TRUE);
        }

      gimp_image_undo_group_end (image);

      gimp_image_update (image,
                         0, 0,
                         gimp_image_get_width  (image),
                         gimp_image_get_height (image));

      gimp_image_size_changed_detailed (image,
                                        -x1,
                                        -y1,
                                        previous_width,
                                        previous_height);

      g_object_thaw_notify (G_OBJECT (image));
    }

  gimp_unset_busy (image->gimp);
}
Example #4
0
void
gimp_image_resize_with_layers (GimpImage    *image,
                               GimpContext  *context,
                               gint          new_width,
                               gint          new_height,
                               gint          offset_x,
                               gint          offset_y,
                               GimpItemSet   layer_set,
                               gboolean      resize_text_layers,
                               GimpProgress *progress)
{
  GList   *list;
  GList   *resize_layers;
  gdouble  progress_max;
  gdouble  progress_current = 1.0;
  gint     old_width, old_height;

  g_return_if_fail (GIMP_IS_IMAGE (image));
  g_return_if_fail (GIMP_IS_CONTEXT (context));
  g_return_if_fail (new_width > 0 && new_height > 0);
  g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));

  gimp_set_busy (image->gimp);

  g_object_freeze_notify (G_OBJECT (image));

  gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE,
                               C_("undo-type", "Resize Image"));

  resize_layers = gimp_image_item_list_get_list (image, NULL,
                                                 GIMP_ITEM_TYPE_LAYERS,
                                                 layer_set);

  progress_max = (gimp_container_get_n_children (gimp_image_get_layers (image))   +
                  gimp_container_get_n_children (gimp_image_get_channels (image)) +
                  gimp_container_get_n_children (gimp_image_get_vectors (image))  +
                  g_list_length (resize_layers)                                   +
                  1 /* selection */);

  old_width  = gimp_image_get_width  (image);
  old_height = gimp_image_get_height (image);

  /*  Push the image size to the stack  */
  gimp_image_undo_push_image_size (image, NULL,
                                   -offset_x, -offset_y,
                                   new_width, new_height);

  /*  Set the new width and height  */
  g_object_set (image,
                "width",  new_width,
                "height", new_height,
                NULL);

  /*  Resize all channels  */
  for (list = gimp_image_get_channel_iter (image);
       list;
       list = g_list_next (list))
    {
      GimpItem *item = list->data;

      gimp_item_resize (item, context,
                        new_width, new_height, offset_x, offset_y);

      if (progress)
        gimp_progress_set_value (progress, progress_current++ / progress_max);
    }

  /*  Resize all vectors  */
  for (list = gimp_image_get_vectors_iter (image);
       list;
       list = g_list_next (list))
    {
      GimpItem *item = list->data;

      gimp_item_resize (item, context,
                        new_width, new_height, offset_x, offset_y);

      if (progress)
        gimp_progress_set_value (progress, progress_current++ / progress_max);
    }

  /*  Don't forget the selection mask!  */
  gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)), context,
                    new_width, new_height, offset_x, offset_y);

  if (progress)
    gimp_progress_set_value (progress, progress_current++ / progress_max);

  /*  Reposition all layers  */
  for (list = gimp_image_get_layer_iter (image);
       list;
       list = g_list_next (list))
    {
      GimpItem *item = list->data;

      gimp_item_translate (item, offset_x, offset_y, TRUE);

      if (progress)
        gimp_progress_set_value (progress, progress_current++ / progress_max);
    }

  /*  Resize all resize_layers to image size  */
  for (list = resize_layers; list; list = g_list_next (list))
    {
      GimpItem *item = list->data;
      gint      old_offset_x;
      gint      old_offset_y;

      /*  group layers can't be resized here  */
      if (gimp_viewable_get_children (GIMP_VIEWABLE (item)))
        continue;

      if (! resize_text_layers && gimp_item_is_text_layer (item))
        continue;

      gimp_item_get_offset (item, &old_offset_x, &old_offset_y);

      gimp_item_resize (item, context,
                        new_width, new_height,
                        old_offset_x, old_offset_y);

      if (progress)
        gimp_progress_set_value (progress, progress_current++ / progress_max);
    }

  g_list_free (resize_layers);

  /*  Reposition or remove all guides  */
  list = gimp_image_get_guides (image);

  while (list)
    {
      GimpGuide *guide        = list->data;
      gboolean   remove_guide = FALSE;
      gint       new_position = gimp_guide_get_position (guide);

      list = g_list_next (list);

      switch (gimp_guide_get_orientation (guide))
        {
        case GIMP_ORIENTATION_HORIZONTAL:
          new_position += offset_y;
          if (new_position < 0 || new_position > new_height)
            remove_guide = TRUE;
          break;

        case GIMP_ORIENTATION_VERTICAL:
          new_position += offset_x;
          if (new_position < 0 || new_position > new_width)
            remove_guide = TRUE;
          break;

        default:
          break;
        }

      if (remove_guide)
        gimp_image_remove_guide (image, guide, TRUE);
      else if (new_position != gimp_guide_get_position (guide))
        gimp_image_move_guide (image, guide, new_position, TRUE);
    }

  /*  Reposition or remove sample points  */
  list = gimp_image_get_sample_points (image);

  while (list)
    {
      GimpSamplePoint *sample_point        = list->data;
      gboolean         remove_sample_point = FALSE;
      gint             new_x               = sample_point->x;
      gint             new_y               = sample_point->y;

      list = g_list_next (list);

      new_y += offset_y;
      if ((sample_point->y < 0) || (sample_point->y > new_height))
        remove_sample_point = TRUE;

      new_x += offset_x;
      if ((sample_point->x < 0) || (sample_point->x > new_width))
        remove_sample_point = TRUE;

      if (remove_sample_point)
        gimp_image_remove_sample_point (image, sample_point, TRUE);
      else if (new_x != sample_point->x || new_y != sample_point->y)
        gimp_image_move_sample_point (image, sample_point,
                                      new_x, new_y, TRUE);
    }

  gimp_image_undo_group_end (image);

  gimp_image_size_changed_detailed (image,
                                    offset_x, offset_y,
                                    old_width, old_height);

  g_object_thaw_notify (G_OBJECT (image));

  gimp_unset_busy (image->gimp);
}
Example #5
0
void
gimp_image_crop (GimpImage    *image,
                 GimpContext  *context,
                 GimpFillType  fill_type,
                 gint          x,
                 gint          y,
                 gint          width,
                 gint          height,
                 gboolean      crop_layers)
{
  GList *list;
  gint   previous_width;
  gint   previous_height;

  g_return_if_fail (GIMP_IS_IMAGE (image));
  g_return_if_fail (GIMP_IS_CONTEXT (context));

  previous_width  = gimp_image_get_width  (image);
  previous_height = gimp_image_get_height (image);

  /*  Make sure new width and height are non-zero  */
  if (width < 1 || height < 1)
    return;

  gimp_set_busy (image->gimp);

  g_object_freeze_notify (G_OBJECT (image));

  if (crop_layers)
    gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CROP,
                                 C_("undo-type", "Crop Image"));
  else
    gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE,
                                 C_("undo-type", "Resize Image"));

  /*  Push the image size to the stack  */
  gimp_image_undo_push_image_size (image, NULL,
                                   x, y, width, height);

  /*  Set the new width and height  */
  g_object_set (image,
                "width",  width,
                "height", height,
                NULL);

  /*  Resize all channels  */
  for (list = gimp_image_get_channel_iter (image);
       list;
       list = g_list_next (list))
    {
      GimpItem *item = list->data;

      gimp_item_resize (item, context, GIMP_FILL_TRANSPARENT,
                        width, height, -x, -y);
    }

  /*  Resize all vectors  */
  for (list = gimp_image_get_vectors_iter (image);
       list;
       list = g_list_next (list))
    {
      GimpItem *item = list->data;

      gimp_item_resize (item, context, GIMP_FILL_TRANSPARENT,
                        width, height, -x, -y);
    }

  /*  Don't forget the selection mask!  */
  gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)),
                    context, GIMP_FILL_TRANSPARENT,
                    width, height, -x, -y);

  /*  crop all layers  */
  list = gimp_image_get_layer_iter (image);

  while (list)
    {
      GimpItem *item = list->data;

      list = g_list_next (list);

      gimp_item_translate (item, -x, -y, TRUE);

      if (crop_layers)
        {
          gint off_x, off_y;
          gint lx1, ly1, lx2, ly2;

          gimp_item_get_offset (item, &off_x, &off_y);

          lx1 = CLAMP (off_x, 0, gimp_image_get_width  (image));
          ly1 = CLAMP (off_y, 0, gimp_image_get_height (image));
          lx2 = CLAMP (gimp_item_get_width  (item) + off_x,
                       0, gimp_image_get_width (image));
          ly2 = CLAMP (gimp_item_get_height (item) + off_y,
                       0, gimp_image_get_height (image));

          width  = lx2 - lx1;
          height = ly2 - ly1;

          if (width > 0 && height > 0)
            {
              gimp_item_resize (item, context, fill_type,
                                width, height,
                                -(lx1 - off_x),
                                -(ly1 - off_y));
            }
          else
            {
              gimp_image_remove_layer (image, GIMP_LAYER (item),
                                       TRUE, NULL);
            }
        }
    }

  /*  Reposition or remove guides  */
  list = gimp_image_get_guides (image);

  while (list)
    {
      GimpGuide *guide        = list->data;
      gboolean   remove_guide = FALSE;
      gint       position     = gimp_guide_get_position (guide);

      list = g_list_next (list);

      switch (gimp_guide_get_orientation (guide))
        {
        case GIMP_ORIENTATION_HORIZONTAL:
          position -= y;
          if ((position < 0) || (position > height))
            remove_guide = TRUE;
          break;

        case GIMP_ORIENTATION_VERTICAL:
          position -= x;
          if ((position < 0) || (position > width))
            remove_guide = TRUE;
          break;

        default:
          break;
        }

      if (remove_guide)
        gimp_image_remove_guide (image, guide, TRUE);
      else if (position != gimp_guide_get_position (guide))
        gimp_image_move_guide (image, guide, position, TRUE);
    }

  /*  Reposition or remove sample points  */
  list = gimp_image_get_sample_points (image);

  while (list)
    {
      GimpSamplePoint *sample_point        = list->data;
      gboolean         remove_sample_point = FALSE;
      gint             old_x;
      gint             old_y;
      gint             new_x;
      gint             new_y;

      list = g_list_next (list);

      gimp_sample_point_get_position (sample_point, &old_x, &old_y);
      new_x = old_x;
      new_y = old_y;

      new_y -= y;
      if ((new_y < 0) || (new_y > height))
       remove_sample_point = TRUE;

      new_x -= x;
      if ((new_x < 0) || (new_x > width))
        remove_sample_point = TRUE;

      if (remove_sample_point)
        gimp_image_remove_sample_point (image, sample_point, TRUE);
      else if (new_x != old_x || new_y != old_y)
        gimp_image_move_sample_point (image, sample_point,
                                      new_x, new_y, TRUE);
    }

  gimp_image_undo_group_end (image);

  gimp_image_size_changed_detailed (image,
                                    -x, -y,
                                    previous_width, previous_height);

  g_object_thaw_notify (G_OBJECT (image));

  gimp_unset_busy (image->gimp);
}