C++ GIMP_IMAGE_MAP_TOOL函数代码示例

static void
gimp_curves_tool_color_picked (GimpColorTool      *color_tool,
                               GimpColorPickState  pick_state,
                               gdouble             x,
                               gdouble             y,
                               const Babl         *sample_format,
                               gpointer            pixel,
                               const GimpRGB      *color)
{
  GimpCurvesTool   *tool    = GIMP_CURVES_TOOL (color_tool);
  GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (color_tool);
  GimpCurvesConfig *config  = GIMP_CURVES_CONFIG (im_tool->config);
  GimpDrawable     *drawable;

  drawable = GIMP_IMAGE_MAP_TOOL (tool)->drawable;

  tool->picked_color[GIMP_HISTOGRAM_RED]   = color->r;
  tool->picked_color[GIMP_HISTOGRAM_GREEN] = color->g;
  tool->picked_color[GIMP_HISTOGRAM_BLUE]  = color->b;

  if (gimp_drawable_has_alpha (drawable))
    tool->picked_color[GIMP_HISTOGRAM_ALPHA] = color->a;
  else
    tool->picked_color[GIMP_HISTOGRAM_ALPHA] = -1;

  tool->picked_color[GIMP_HISTOGRAM_VALUE] = MAX (MAX (color->r, color->g),
                                                  color->b);

  gimp_curve_view_set_xpos (GIMP_CURVE_VIEW (tool->graph),
                            tool->picked_color[config->channel]);
}

void
gimp_image_map_tool_edit_as (GimpImageMapTool *im_tool,
                             const gchar      *new_tool_id,
                             GimpConfig       *config)
{
  GimpDisplay  *display;
  GimpContext  *user_context;
  GimpToolInfo *tool_info;
  GimpTool     *new_tool;

  g_return_if_fail (GIMP_IS_IMAGE_MAP_TOOL (im_tool));
  g_return_if_fail (new_tool_id);
  g_return_if_fail (GIMP_IS_CONFIG (config));

  display = GIMP_TOOL (im_tool)->display;

  user_context = gimp_get_user_context (display->gimp);

  tool_info = (GimpToolInfo *)
    gimp_container_get_child_by_name (display->gimp->tool_info_list,
                                      new_tool_id);

  gimp_context_set_tool (user_context, tool_info);
  tool_manager_initialize_active (display->gimp, display);

  new_tool = tool_manager_get_active (display->gimp);

  GIMP_IMAGE_MAP_TOOL (new_tool)->default_config = g_object_ref (config);

  gimp_image_map_tool_reset (GIMP_IMAGE_MAP_TOOL (new_tool));
}

static void
gimp_image_map_tool_options_notify (GimpTool         *tool,
                                    GimpToolOptions  *options,
                                    const GParamSpec *pspec)
{
  GimpImageMapTool    *image_map_tool = GIMP_IMAGE_MAP_TOOL (tool);
  GimpImageMapOptions *im_options     = GIMP_IMAGE_MAP_OPTIONS (options);

  if (! strcmp (pspec->name, "preview") &&
      image_map_tool->image_map)
    {
      if (im_options->preview)
        {
          gimp_tool_control_push_preserve (tool->control, TRUE);

          gimp_image_map_tool_map (image_map_tool);

          gimp_tool_control_pop_preserve (tool->control);
        }
      else
        {
          gimp_tool_control_push_preserve (tool->control, TRUE);

          gimp_image_map_abort (image_map_tool->image_map);

          gimp_tool_control_pop_preserve (tool->control);
        }
    }
  else if (! strcmp (pspec->name, "region") &&
           image_map_tool->image_map)
    {
      gimp_image_map_set_region (image_map_tool->image_map, im_options->region);
      gimp_image_map_tool_preview (image_map_tool);
    }
}

static void
gimp_colorize_tool_config_notify (GObject          *object,
                                  GParamSpec       *pspec,
                                  GimpColorizeTool *col_tool)
{
  GimpColorizeConfig *config = GIMP_COLORIZE_CONFIG (object);

  if (! col_tool->hue_data)
    return;

  if (! strcmp (pspec->name, "hue"))
    {
      gtk_adjustment_set_value (col_tool->hue_data,
                                config->hue * 360.0);
    }
  else if (! strcmp (pspec->name, "saturation"))
    {
      gtk_adjustment_set_value (col_tool->saturation_data,
                                config->saturation * 100.0);
    }
  else if (! strcmp (pspec->name, "lightness"))
    {
      gtk_adjustment_set_value (col_tool->lightness_data,
                                config->lightness * 100.0);
    }

  gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (col_tool));
}

static gboolean
gimp_colorize_tool_initialize (GimpTool     *tool,
                               GimpDisplay  *display,
                               GError      **error)
{
  GimpColorizeTool *col_tool = GIMP_COLORIZE_TOOL (tool);
  GimpDrawable     *drawable = gimp_image_get_active_drawable (display->image);

  if (! drawable)
    return FALSE;

  if (! gimp_drawable_is_rgb (drawable))
    {
      g_set_error (error, 0, 0,
                   _("Colorize operates only on RGB color layers."));
      return FALSE;
    }

  gimp_config_reset (GIMP_CONFIG (col_tool->config));

  GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error);

  gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));

  return TRUE;
}

static gboolean
gimp_desaturate_tool_initialize (GimpTool     *tool,
                                GimpDisplay  *display,
                                GError      **error)
{
  GimpDesaturateTool *desaturate_tool = GIMP_DESATURATE_TOOL (tool);
  GimpDrawable       *drawable;

  drawable = gimp_image_get_active_drawable (display->image);

  if (! drawable)
    return FALSE;

  if (! gimp_drawable_is_rgb (drawable))
    {
      g_set_error (error, 0, 0,
                   _("Desaturate does only operate on RGB layers."));
      return FALSE;
    }

  gimp_config_reset (GIMP_CONFIG (desaturate_tool->config));

  GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error);

  gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (desaturate_tool->button),
                                   desaturate_tool->config->mode);

  gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (desaturate_tool));

  return TRUE;
}

static void
gimp_operation_tool_dialog (GimpImageMapTool *image_map_tool)
{
  GimpOperationTool *tool = GIMP_OPERATION_TOOL (image_map_tool);
  GtkWidget         *main_vbox;

  main_vbox = gimp_image_map_tool_dialog_get_vbox (image_map_tool);

  /*  The options vbox  */
  tool->options_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
  gtk_box_pack_start (GTK_BOX (main_vbox), tool->options_box,
                      FALSE, FALSE, 0);
  gtk_widget_show (tool->options_box);

  if (tool->options_table)
    {
      gtk_container_add (GTK_CONTAINER (tool->options_box),
                         tool->options_table);
      gtk_widget_show (tool->options_table);
    }

  if (tool->undo_desc)
    g_object_set (GIMP_IMAGE_MAP_TOOL (tool)->dialog,
                  "description", tool->undo_desc,
                  NULL);
}

static void
gimp_curves_tool_color_picked (GimpColorTool      *color_tool,
                               GimpColorPickState  pick_state,
                               GimpImageType       sample_type,
                               GimpRGB            *color,
                               gint                color_index)
{
  GimpCurvesTool *tool = GIMP_CURVES_TOOL (color_tool);
  GimpDrawable   *drawable;

  drawable = GIMP_IMAGE_MAP_TOOL (tool)->drawable;

  tool->picked_color[GIMP_HISTOGRAM_RED]   = color->r;
  tool->picked_color[GIMP_HISTOGRAM_GREEN] = color->g;
  tool->picked_color[GIMP_HISTOGRAM_BLUE]  = color->b;

  if (gimp_drawable_has_alpha (drawable))
    tool->picked_color[GIMP_HISTOGRAM_ALPHA] = color->a;

  tool->picked_color[GIMP_HISTOGRAM_VALUE] = MAX (MAX (color->r, color->g),
                                                  color->b);

  gimp_curve_view_set_xpos (GIMP_CURVE_VIEW (tool->graph),
                            tool->picked_color[tool->config->channel]);
}

static gboolean
gimp_posterize_tool_initialize (GimpTool     *tool,
                                GimpDisplay  *display,
                                GError      **error)
{
  GimpPosterizeTool *posterize_tool = GIMP_POSTERIZE_TOOL (tool);
  GimpImage         *image          = gimp_display_get_image (display);
  GimpDrawable      *drawable;

  drawable = gimp_image_get_active_drawable (image);

  if (! drawable)
    return FALSE;

  if (gimp_drawable_is_indexed (drawable))
    {
      g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
			   _("Posterize does not operate on indexed layers."));
      return FALSE;
    }

  gimp_config_reset (GIMP_CONFIG (posterize_tool->config));

  if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
    {
      return FALSE;
    }

  gtk_adjustment_set_value (posterize_tool->levels_data,
                            posterize_tool->config->levels);

  gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (posterize_tool));

  return TRUE;
}

static void
brightness_contrast_config_notify (GObject                    *object,
                                   GParamSpec                 *pspec,
                                   GimpBrightnessContrastTool *bc_tool)
{
  GimpBrightnessContrastConfig *config;

  config = GIMP_BRIGHTNESS_CONTRAST_CONFIG (object);

  if (! bc_tool->brightness_data)
    return;

  if (! strcmp (pspec->name, "brightness"))
    {
      gtk_adjustment_set_value (bc_tool->brightness_data,
                                config->brightness * 127.0);
    }
  else if (! strcmp (pspec->name, "contrast"))
    {
      gtk_adjustment_set_value (bc_tool->contrast_data,
                                config->contrast * 127.0);
    }

  gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (bc_tool));
}

static gboolean
gimp_threshold_tool_initialize (GimpTool     *tool,
                                GimpDisplay  *display,
                                GError      **error)
{
  GimpThresholdTool *t_tool   = GIMP_THRESHOLD_TOOL (tool);
  GimpImage         *image    = gimp_display_get_image (display);
  GimpDrawable      *drawable = gimp_image_get_active_drawable (image);

  if (! drawable)
    return FALSE;

  gimp_config_reset (GIMP_CONFIG (t_tool->config));

  if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error))
    {
      return FALSE;
    }

  gimp_drawable_calculate_histogram (drawable, t_tool->histogram);
  gimp_histogram_view_set_histogram (t_tool->histogram_box->view,
                                     t_tool->histogram);

  gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (t_tool));

  return TRUE;
}

static GtkWidget *
gimp_levels_tool_color_picker_new (GimpLevelsTool *tool,
                                   guint           value)
{
  const gchar *stock_id;
  const gchar *help;

  switch (value & 0xF)
    {
    case PICK_LOW_INPUT:
      stock_id = GIMP_STOCK_COLOR_PICKER_BLACK;
      help     = _("Pick black point");
      break;
    case PICK_GAMMA:
      stock_id = GIMP_STOCK_COLOR_PICKER_GRAY;
      help     = _("Pick gray point");
      break;
    case PICK_HIGH_INPUT:
      stock_id = GIMP_STOCK_COLOR_PICKER_WHITE;
      help     = _("Pick white point");
      break;
    default:
      return NULL;
    }

  return gimp_image_map_tool_add_color_picker (GIMP_IMAGE_MAP_TOOL (tool),
                                               GUINT_TO_POINTER (value),
                                               stock_id,
                                               help);
}

static gboolean
gimp_image_map_tool_key_press (GimpTool    *tool,
                               GdkEventKey *kevent,
                               GimpDisplay *display)
{
  GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (tool);

  if (display == tool->display)
    {
      switch (kevent->keyval)
        {
        case GDK_Return:
        case GDK_KP_Enter:
        case GDK_ISO_Enter:
          gimp_image_map_tool_response (NULL, GTK_RESPONSE_OK, image_map_tool);
          return TRUE;

        case GDK_BackSpace:
          gimp_image_map_tool_response (NULL, RESPONSE_RESET, image_map_tool);
          return TRUE;

        case GDK_Escape:
          gimp_image_map_tool_response (NULL, GTK_RESPONSE_CANCEL, image_map_tool);
          return TRUE;
        }
    }

  return FALSE;
}

static void
gimp_gegl_tool_config_notify (GObject      *object,
                              GParamSpec   *pspec,
                              GimpGeglTool *tool)
{
  gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
}

static void
gimp_operation_tool_aux_input_notify (GimpBufferSourceBox *box,
                                      const GParamSpec    *pspec,
                                      GimpOperationTool   *tool)
{
    gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
}