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; }
static gboolean gimp_levels_tool_initialize (GimpTool *tool, GimpDisplay *display, GError **error) { GimpLevelsTool *l_tool = GIMP_LEVELS_TOOL (tool); GimpDrawable *drawable = gimp_image_get_active_drawable (display->image); if (! drawable) return FALSE; if (gimp_drawable_is_indexed (drawable)) { g_set_error (error, 0, 0, _("Levels does not operate on indexed layers.")); return FALSE; } if (! l_tool->hist) l_tool->hist = gimp_histogram_new (); levels_init (l_tool->levels); l_tool->channel = GIMP_HISTOGRAM_VALUE; l_tool->color = gimp_drawable_is_rgb (drawable); l_tool->alpha = gimp_drawable_has_alpha (drawable); if (l_tool->active_picker) gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (l_tool->active_picker), FALSE); GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error); gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (l_tool->channel_menu), levels_menu_sensitivity, l_tool, NULL); gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (l_tool->channel_menu), l_tool->channel); /* FIXME: hack */ if (! l_tool->color) l_tool->channel = (l_tool->channel == GIMP_HISTOGRAM_ALPHA) ? 1 : 0; levels_update (l_tool, ALL); gimp_drawable_calculate_histogram (drawable, l_tool->hist); gimp_histogram_view_set_histogram (GIMP_HISTOGRAM_VIEW (l_tool->hist_view), l_tool->hist); return TRUE; }
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_precision (drawable) == GIMP_PRECISION_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), 0.0, 1.0); gimp_curve_view_set_range_y (GIMP_CURVE_VIEW (c_tool->graph), 0.0, 1.0); } return TRUE; }
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); if (! drawable) return FALSE; if (gimp_drawable_is_indexed (drawable)) { g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED, _("Levels does not operate on indexed layers.")); return FALSE; } gimp_config_reset (GIMP_CONFIG (l_tool->config)); if (l_tool->active_picker) gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (l_tool->active_picker), FALSE); 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); return TRUE; }
static gboolean gimp_curves_tool_initialize (GimpTool *tool, GimpDisplay *display, GError **error) { GimpCurvesTool *c_tool = GIMP_CURVES_TOOL (tool); GimpDrawable *drawable = gimp_image_get_active_drawable (display->image); GimpHistogram *histogram; if (! drawable) return FALSE; if (gimp_drawable_is_indexed (drawable)) { g_set_error (error, 0, 0, _("Curves does not operate on indexed layers.")); return FALSE; } gimp_config_reset (GIMP_CONFIG (c_tool->config)); GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error); /* 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 (); gimp_drawable_calculate_histogram (drawable, histogram); gimp_histogram_view_set_background (GIMP_HISTOGRAM_VIEW (c_tool->graph), histogram); gimp_histogram_unref (histogram); return TRUE; }
static void gimp_threshold_tool_dialog (GimpFilterTool *filter_tool) { GimpThresholdTool *t_tool = GIMP_THRESHOLD_TOOL (filter_tool); GimpToolOptions *tool_options = GIMP_TOOL_GET_OPTIONS (filter_tool); GtkWidget *main_vbox; GtkWidget *main_frame; GtkWidget *frame_vbox; GtkWidget *hbox; GtkWidget *label; GtkWidget *hbox2; GtkWidget *box; GtkWidget *button; GimpHistogramChannel channel; main_vbox = gimp_filter_tool_dialog_get_vbox (filter_tool); main_frame = gimp_frame_new (NULL); gtk_box_pack_start (GTK_BOX (main_vbox), main_frame, TRUE, TRUE, 0); gtk_widget_show (main_frame); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_frame_set_label_widget (GTK_FRAME (main_frame), hbox); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Cha_nnel:")); gimp_label_set_attributes (GTK_LABEL (label), PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD, -1); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); t_tool->channel_menu = gimp_prop_enum_combo_box_new (filter_tool->config, "channel", -1, -1); gimp_enum_combo_box_set_icon_prefix (GIMP_ENUM_COMBO_BOX (t_tool->channel_menu), "gimp-channel"); gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (t_tool->channel_menu), gimp_threshold_tool_channel_sensitive, filter_tool, NULL); gtk_box_pack_start (GTK_BOX (hbox), t_tool->channel_menu, FALSE, FALSE, 0); gtk_widget_show (t_tool->channel_menu); gtk_label_set_mnemonic_widget (GTK_LABEL (label), t_tool->channel_menu); hbox2 = gimp_prop_enum_icon_box_new (G_OBJECT (tool_options), "histogram-scale", "gimp-histogram", 0, 0); gtk_box_pack_end (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0); gtk_widget_show (hbox2); frame_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4); gtk_container_add (GTK_CONTAINER (main_frame), frame_vbox); gtk_widget_show (frame_vbox); box = gimp_histogram_box_new (); gtk_box_pack_start (GTK_BOX (frame_vbox), box, TRUE, TRUE, 0); gtk_widget_show (box); t_tool->histogram_box = GIMP_HISTOGRAM_BOX (box); g_object_get (filter_tool->config, "channel", &channel, NULL); gimp_histogram_view_set_channel (t_tool->histogram_box->view, channel); g_signal_connect (t_tool->histogram_box->view, "range-changed", G_CALLBACK (gimp_threshold_tool_histogram_range), t_tool); g_object_bind_property (G_OBJECT (tool_options), "histogram-scale", G_OBJECT (t_tool->histogram_box->view), "histogram-scale", G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (frame_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); button = gtk_button_new_with_mnemonic (_("_Auto")); gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); gimp_help_set_help_data (button, _("Automatically adjust to optimal " "binarization threshold"), NULL); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (gimp_threshold_tool_auto_clicked), t_tool); }
static void gimp_histogram_editor_init (GimpHistogramEditor *editor) { GimpHistogramView *view; GtkWidget *hbox; GtkWidget *label; GtkWidget *menu; GtkWidget *table; gint i; const gchar *gimp_histogram_editor_labels[] = { N_("Mean:"), N_("Std dev:"), N_("Median:"), N_("Pixels:"), N_("Count:"), N_("Percentile:") }; editor->drawable = NULL; editor->histogram = NULL; editor->bg_histogram = NULL; editor->valid = FALSE; editor->idle_id = 0; editor->box = gimp_histogram_box_new (); gimp_editor_set_show_name (GIMP_EDITOR (editor), TRUE); view = GIMP_HISTOGRAM_BOX (editor->box)->view; hbox = gtk_hbox_new (FALSE, 6); gtk_box_pack_start (GTK_BOX (editor), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); label = gtk_label_new (_("Channel:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); editor->menu = menu = gimp_prop_enum_combo_box_new (G_OBJECT (view), "histogram-channel", 0, 0); gimp_enum_combo_box_set_stock_prefix (GIMP_ENUM_COMBO_BOX (menu), "gimp-channel"); gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (editor->menu), gimp_histogram_menu_sensitivity, editor, NULL); gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (editor->menu), view->channel); gtk_box_pack_start (GTK_BOX (hbox), menu, FALSE, FALSE, 0); gtk_widget_show (menu); menu = gimp_prop_enum_stock_box_new (G_OBJECT (view), "histogram-scale", "gimp-histogram", 0, 0); gtk_box_pack_end (GTK_BOX (hbox), menu, FALSE, FALSE, 0); gtk_widget_show (menu); gtk_box_pack_start (GTK_BOX (editor), editor->box, TRUE, TRUE, 0); gtk_widget_show (GTK_WIDGET (editor->box)); g_signal_connect_swapped (view, "range-changed", G_CALLBACK (gimp_histogram_editor_info_update), editor); g_signal_connect_swapped (view, "notify::histogram-channel", G_CALLBACK (gimp_histogram_editor_info_update), editor); g_signal_connect_swapped (view, "expose-event", G_CALLBACK (gimp_histogram_view_expose), editor); table = gtk_table_new (3, 4, FALSE); gtk_table_set_col_spacings (GTK_TABLE (table), 2); gtk_table_set_col_spacing (GTK_TABLE (table), 1, 6); gtk_box_pack_start (GTK_BOX (editor), table, FALSE, FALSE, 0); gtk_widget_show (table); for (i = 0; i < 6; i++) { gint x = (i / 3) * 2; gint y = (i % 3); label = gtk_label_new (gettext (gimp_histogram_editor_labels[i])); gimp_label_set_attributes (GTK_LABEL (label), PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD, PANGO_ATTR_SCALE, PANGO_SCALE_SMALL, -1); gtk_misc_set_alignment (GTK_MISC (label), 1.0, 0.5); gtk_table_attach (GTK_TABLE (table), label, x, x + 1, y, y + 1, GTK_FILL | GTK_EXPAND, GTK_FILL, 2, 2); gtk_widget_show (label); editor->labels[i] = label = g_object_new (GTK_TYPE_LABEL, "xalign", 0.0, "yalign", 0.5, "width-chars", i > 2 ? 9 : 5, NULL); gimp_label_set_attributes (GTK_LABEL (editor->labels[i]), PANGO_ATTR_SCALE, PANGO_SCALE_SMALL, -1); gtk_table_attach (GTK_TABLE (table), label, x + 1, x + 2, y, y + 1, GTK_FILL, GTK_FILL, 2, 2); gtk_widget_show (label); } }