C++ (Cpp) gimp_drawable_get_component_type Beispiele

Beispiel #1

Datei: gimplevelstool.c Projekt: ITfrank/gimp

static gboolean
gimp_levels_tool_initialize (GimpTool     *tool,
                             GimpDisplay  *display,
                             GError      **error)
{
  GimpLevelsTool   *l_tool   = GIMP_LEVELS_TOOL (tool);
  GimpImage        *image    = gimp_display_get_image (display);
  GimpDrawable     *drawable = gimp_image_get_active_drawable (image);
  gdouble           scale_factor;
  gdouble           step_increment;
  gdouble           page_increment;
  gint              digits;

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

  gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (l_tool->channel_menu),
                                      levels_menu_sensitivity, drawable, NULL);

  gimp_drawable_calculate_histogram (drawable, l_tool->histogram);
  gimp_histogram_view_set_histogram (GIMP_HISTOGRAM_VIEW (l_tool->histogram_view),
                                     l_tool->histogram);

  if (gimp_drawable_get_component_type (drawable) == GIMP_COMPONENT_TYPE_U8)
    {
      scale_factor   = 255.0;
      step_increment = 1.0;
      page_increment = 8.0;
      digits         = 0;
    }
  else
    {
      scale_factor   = 100;
      step_increment = 0.01;
      page_increment = 1.0;
      digits         = 2;
    }

  gimp_prop_widget_set_factor (l_tool->low_input_spinbutton,
                               scale_factor, step_increment, page_increment,
                               digits);
  gimp_prop_widget_set_factor (l_tool->high_input_spinbutton,
                               scale_factor, step_increment, page_increment,
                               digits);
  gimp_prop_widget_set_factor (l_tool->low_output_spinbutton,
                               scale_factor, step_increment, page_increment,
                               digits);
  gimp_prop_widget_set_factor (l_tool->high_output_spinbutton,
                               scale_factor, step_increment, page_increment,
                               digits);

  gtk_adjustment_configure (l_tool->gamma_linear,
                            scale_factor / 2.0,
                            0, scale_factor, 0.1, 1.0, 0);

  return TRUE;
}

Beispiel #2

Datei: gimpcurvestool.c Projekt: Distrotech/gimp

static gboolean
gimp_curves_tool_initialize (GimpTool     *tool,
                             GimpDisplay  *display,
                             GError      **error)
{
  GimpCurvesTool *c_tool   = GIMP_CURVES_TOOL (tool);
  GimpImage      *image    = gimp_display_get_image (display);
  GimpDrawable   *drawable = gimp_image_get_active_drawable (image);
  GimpHistogram  *histogram;

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

  /*  always pick colors  */
  gimp_color_tool_enable (GIMP_COLOR_TOOL (tool),
                          GIMP_COLOR_TOOL_GET_OPTIONS (tool));

  gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (c_tool->channel_menu),
                                      curves_menu_sensitivity, drawable, NULL);

  histogram = gimp_histogram_new (TRUE);
  gimp_drawable_calculate_histogram (drawable, histogram);
  gimp_histogram_view_set_background (GIMP_HISTOGRAM_VIEW (c_tool->graph),
                                      histogram);
  g_object_unref (histogram);

  if (gimp_drawable_get_component_type (drawable) == GIMP_COMPONENT_TYPE_U8)
    {
      gimp_curve_view_set_range_x (GIMP_CURVE_VIEW (c_tool->graph), 0, 255);
      gimp_curve_view_set_range_y (GIMP_CURVE_VIEW (c_tool->graph), 0, 255);
    }
  else
    {
      gimp_curve_view_set_range_x (GIMP_CURVE_VIEW (c_tool->graph), 0, 100);
      gimp_curve_view_set_range_y (GIMP_CURVE_VIEW (c_tool->graph), 0, 100);
    }

  return TRUE;
}