コード例 #1
0
ファイル: blend_gui.c プロジェクト: minusdreidb/darktable
void dt_iop_gui_init_blendif(GtkVBox *blendw, dt_iop_module_t *module)
{
  dt_iop_gui_blend_data_t *bd = (dt_iop_gui_blend_data_t*)module->blend_data;

  /* create and add blendif support if module supports it */
  if (bd->blendif_support)
  {
    char *Lab_labels[] = { "  L  ", "  a  ", "  b  ", " C ", " h " };
    char *Lab_tooltips[] = { _("sliders for L channel"), _("sliders for a channel"), _("sliders for b channel"), _("sliders for chroma channel (of LCh)"), _("sliders for hue channel (of LCh)") };
    char *rgb_labels[] = { _(" g "), _(" R "), _(" G "), _(" B "), _(" H "), _(" S "), _(" L ") };
    char *rgb_tooltips[] = { _("sliders for gray value"), _("sliders for red channel"), _("sliders for green channel"), _("sliders for blue channel"),
                             _("sliders for hue channel (of HSL)"), _("sliders for chroma channel (of HSL)"), _("sliders for value channel (of HSL)")
                           };

    char *ttinput = _("adjustment based on input received by this module:\n* range defined by upper markers: blend fully\n* range defined by lower markers: do not blend at all\n* range between adjacent upper/lower markers: blend gradually");

    char *ttoutput = _("adjustment based on unblended output of this module:\n* range defined by upper markers: blend fully\n* range defined by lower markers: do not blend at all\n* range between adjacent upper/lower markers: blend gradually");

    bd->tab = 0;

    int maxchannels = 0;
    char **labels = NULL;
    char **tooltips = NULL;

    switch(bd->csp)
    {
      case iop_cs_Lab:
        maxchannels = 5;
        labels = Lab_labels;
        tooltips = Lab_tooltips;
        bd->scale_print[0] = _blendif_scale_print_L;
        bd->scale_print[1] = _blendif_scale_print_ab;
        bd->scale_print[2] = _blendif_scale_print_ab;
        bd->scale_print[3] = _blendif_scale_print_default;
        bd->scale_print[4] = _blendif_scale_print_hue;
        bd->increments[0] = 1.0f/100.0f;
        bd->increments[1] = 1.0f/256.0f;
        bd->increments[2] = 1.0f/256.0f;
        bd->increments[3] = 1.0f/100.0f;
        bd->increments[4] = 1.0f/360.0f;
        bd->channels[0][0] = DEVELOP_BLENDIF_L_in;
        bd->channels[0][1] = DEVELOP_BLENDIF_L_out;
        bd->channels[1][0] = DEVELOP_BLENDIF_A_in;
        bd->channels[1][1] = DEVELOP_BLENDIF_A_out;
        bd->channels[2][0] = DEVELOP_BLENDIF_B_in;
        bd->channels[2][1] = DEVELOP_BLENDIF_B_out;
        bd->channels[3][0] = DEVELOP_BLENDIF_C_in;
        bd->channels[3][1] = DEVELOP_BLENDIF_C_out;
        bd->channels[4][0] = DEVELOP_BLENDIF_h_in;
        bd->channels[4][1] = DEVELOP_BLENDIF_h_out;
        bd->colorstops[0] = _gradient_L;
        bd->numberstops[0] = sizeof(_gradient_L)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[1] = _gradient_a;
        bd->numberstops[1] = sizeof(_gradient_a)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[2] = _gradient_b;
        bd->numberstops[2] = sizeof(_gradient_b)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[3] = _gradient_chroma;
        bd->numberstops[3] = sizeof(_gradient_chroma)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[4] = _gradient_hue;
        bd->numberstops[4] = sizeof(_gradient_hue)/sizeof(dt_iop_gui_blendif_colorstop_t);
        break;
      case iop_cs_rgb:
        maxchannels = 7;
        labels = rgb_labels;
        tooltips = rgb_tooltips;
        bd->scale_print[0] = _blendif_scale_print_rgb;
        bd->scale_print[1] = _blendif_scale_print_rgb;
        bd->scale_print[2] = _blendif_scale_print_rgb;
        bd->scale_print[3] = _blendif_scale_print_rgb;
        bd->scale_print[4] = _blendif_scale_print_hue;
        bd->scale_print[5] = _blendif_scale_print_default;
        bd->scale_print[6] = _blendif_scale_print_L;
        bd->increments[0] = 1.0f/255.0f;
        bd->increments[1] = 1.0f/255.0f;
        bd->increments[2] = 1.0f/255.0f;
        bd->increments[3] = 1.0f/255.0f;
        bd->increments[4] = 1.0f/360.0f;
        bd->increments[5] = 1.0f/100.0f;
        bd->increments[6] = 1.0f/100.0f;
        bd->channels[0][0] = DEVELOP_BLENDIF_GRAY_in;
        bd->channels[0][1] = DEVELOP_BLENDIF_GRAY_out;
        bd->channels[1][0] = DEVELOP_BLENDIF_RED_in;
        bd->channels[1][1] = DEVELOP_BLENDIF_RED_out;
        bd->channels[2][0] = DEVELOP_BLENDIF_GREEN_in;
        bd->channels[2][1] = DEVELOP_BLENDIF_GREEN_out;
        bd->channels[3][0] = DEVELOP_BLENDIF_BLUE_in;
        bd->channels[3][1] = DEVELOP_BLENDIF_BLUE_out;
        bd->channels[4][0] = DEVELOP_BLENDIF_H_in;
        bd->channels[4][1] = DEVELOP_BLENDIF_H_out;
        bd->channels[5][0] = DEVELOP_BLENDIF_S_in;
        bd->channels[5][1] = DEVELOP_BLENDIF_S_out;
        bd->channels[6][0] = DEVELOP_BLENDIF_l_in;
        bd->channels[6][1] = DEVELOP_BLENDIF_l_out;
        bd->colorstops[0] = _gradient_gray;
        bd->numberstops[0] = sizeof(_gradient_gray)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[1] = _gradient_red;
        bd->numberstops[1] = sizeof(_gradient_red)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[2] = _gradient_green;
        bd->numberstops[2] = sizeof(_gradient_green)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[3] = _gradient_blue;
        bd->numberstops[3] = sizeof(_gradient_blue)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[4] = _gradient_HUE;
        bd->numberstops[4] = sizeof(_gradient_HUE)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[5] = _gradient_chroma;
        bd->numberstops[5] = sizeof(_gradient_chroma)/sizeof(dt_iop_gui_blendif_colorstop_t);
        bd->colorstops[6] = _gradient_gray;
        bd->numberstops[6] = sizeof(_gradient_gray)/sizeof(dt_iop_gui_blendif_colorstop_t);
        break;
      default:
        assert(FALSE);		// blendif not supported for RAW, which is already catched upstream; we should not get here
    }


    bd->blendif_box = GTK_VBOX(gtk_vbox_new(FALSE,DT_GUI_IOP_MODULE_CONTROL_SPACING));
    GtkWidget *uplabel = gtk_hbox_new(FALSE,0);
    GtkWidget *lowlabel = gtk_hbox_new(FALSE,0);
    GtkWidget *upslider = gtk_hbox_new(FALSE,0);
    GtkWidget *lowslider = gtk_hbox_new(FALSE,0);
    GtkWidget *notebook = gtk_vbox_new(FALSE,0);
    GtkWidget *header = gtk_hbox_new(FALSE, 0);

    bd->blendif_enable = dt_bauhaus_combobox_new(module);
    dt_bauhaus_widget_set_label(bd->blendif_enable, _("blend"));
    dt_bauhaus_combobox_add(bd->blendif_enable, _("uniformly"));
    dt_bauhaus_combobox_add(bd->blendif_enable, _("only, if.."));
    dt_bauhaus_combobox_set(bd->blendif_enable, 0);


    bd->channel_tabs = GTK_NOTEBOOK(gtk_notebook_new());

    for(int ch=0; ch<maxchannels; ch++)
    {
      gtk_notebook_append_page(GTK_NOTEBOOK(bd->channel_tabs), GTK_WIDGET(gtk_hbox_new(FALSE,0)), gtk_label_new(labels[ch]));
      g_object_set(G_OBJECT(gtk_notebook_get_tab_label(bd->channel_tabs, gtk_notebook_get_nth_page(bd->channel_tabs, -1))), "tooltip-text", tooltips[ch], NULL);
    }

    gtk_widget_show_all(GTK_WIDGET(gtk_notebook_get_nth_page(bd->channel_tabs, bd->tab)));
    gtk_notebook_set_current_page(GTK_NOTEBOOK(bd->channel_tabs), bd->tab);
    g_object_set(G_OBJECT(bd->channel_tabs), "homogeneous", TRUE, (char *)NULL);
    gtk_notebook_set_scrollable(bd->channel_tabs, TRUE);

    gtk_box_pack_start(GTK_BOX(notebook), GTK_WIDGET(bd->channel_tabs), FALSE, FALSE, 0);

    bd->colorpicker = dtgtk_togglebutton_new(dtgtk_cairo_paint_colorpicker, CPF_STYLE_FLAT);
    g_object_set(G_OBJECT(bd->colorpicker), "tooltip-text", _("pick gui color from image"), (char *)NULL);

    bd->showmask = dtgtk_togglebutton_new(dtgtk_cairo_paint_showmask, CPF_STYLE_FLAT);
    g_object_set(G_OBJECT(bd->showmask), "tooltip-text", _("display mask"), (char *)NULL);

    GtkWidget *res = dtgtk_button_new(dtgtk_cairo_paint_reset, CPF_STYLE_FLAT);
    g_object_set(G_OBJECT(res), "tooltip-text", _("reset blend mask settings"), (char *)NULL);

    bd->suppress = dtgtk_togglebutton_new(dtgtk_cairo_paint_eye_toggle, CPF_STYLE_FLAT);
    g_object_set(G_OBJECT(bd->suppress), "tooltip-text", _("temporarily switch off blend mask. only for module in focus."), (char *)NULL);

    gtk_box_pack_start(GTK_BOX(header), GTK_WIDGET(notebook), TRUE, TRUE, 0);
    gtk_box_pack_end(GTK_BOX(header), GTK_WIDGET(res), FALSE, FALSE, 0);
    gtk_box_pack_end(GTK_BOX(header), GTK_WIDGET(bd->colorpicker), FALSE, FALSE, 0);
    gtk_box_pack_end(GTK_BOX(header), GTK_WIDGET(bd->showmask), FALSE, FALSE, 0);
    gtk_box_pack_end(GTK_BOX(header), GTK_WIDGET(bd->suppress), FALSE, FALSE, 0);

    bd->lower_slider = DTGTK_GRADIENT_SLIDER_MULTIVALUE(dtgtk_gradient_slider_multivalue_new(4));
    bd->upper_slider = DTGTK_GRADIENT_SLIDER_MULTIVALUE(dtgtk_gradient_slider_multivalue_new(4));

    bd->lower_polarity = dtgtk_togglebutton_new(dtgtk_cairo_paint_plusminus, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER);
    g_object_set(G_OBJECT(bd->lower_polarity), "tooltip-text", _("toggle polarity. best seen by enabling 'display mask'"), (char *)NULL);

    bd->upper_polarity = dtgtk_togglebutton_new(dtgtk_cairo_paint_plusminus, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER);
    g_object_set(G_OBJECT(bd->upper_polarity), "tooltip-text", _("toggle polarity. best seen by enabling 'display mask'"), (char *)NULL);

    gtk_box_pack_start(GTK_BOX(upslider), GTK_WIDGET(bd->upper_slider), TRUE, TRUE, 0);
    gtk_box_pack_end(GTK_BOX(upslider), GTK_WIDGET(bd->upper_polarity), FALSE, FALSE, 0);

    gtk_box_pack_start(GTK_BOX(lowslider), GTK_WIDGET(bd->lower_slider), TRUE, TRUE, 0);
    gtk_box_pack_end(GTK_BOX(lowslider), GTK_WIDGET(bd->lower_polarity), FALSE, FALSE, 0);


    GtkWidget *output = gtk_label_new(_("output"));
    bd->upper_picker_label = GTK_LABEL(gtk_label_new(""));
    gtk_box_pack_start(GTK_BOX(uplabel), GTK_WIDGET(output), FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(uplabel), GTK_WIDGET(bd->upper_picker_label), TRUE, TRUE, 0);
    for(int k=0; k < 4 ; k++)
    {
      bd->upper_label[k] = GTK_LABEL(gtk_label_new(NULL));
      gtk_label_set_width_chars(bd->upper_label[k], 5);
      gtk_box_pack_start(GTK_BOX(uplabel), GTK_WIDGET(bd->upper_label[k]), FALSE, FALSE, 0);
    }

    GtkWidget *input = gtk_label_new(_("input"));
    bd->lower_picker_label = GTK_LABEL(gtk_label_new(""));
    gtk_box_pack_start(GTK_BOX(lowlabel), GTK_WIDGET(input), FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(lowlabel), GTK_WIDGET(bd->lower_picker_label), TRUE, TRUE, 0);
    for(int k=0; k < 4 ; k++)
    {
      bd->lower_label[k] = GTK_LABEL(gtk_label_new(NULL));
      gtk_label_set_width_chars(bd->lower_label[k], 5);
      gtk_box_pack_start(GTK_BOX(lowlabel), GTK_WIDGET(bd->lower_label[k]), FALSE, FALSE, 0);
    }

    bd->radius_slider = dt_bauhaus_slider_new_with_range(module, 0.0, 50.0, 0.1, 0.0, 1);
    dt_bauhaus_widget_set_label(bd->radius_slider, _("mask blur"));
    dt_bauhaus_slider_set_format(bd->radius_slider, "%.1f");

    gtk_object_set(GTK_OBJECT(bd->blendif_enable), "tooltip-text", _("enable conditional blending"), (char *)NULL);
    gtk_object_set(GTK_OBJECT(bd->lower_slider), "tooltip-text", _("double click to reset"), (char *)NULL);
    gtk_object_set(GTK_OBJECT(bd->upper_slider), "tooltip-text", _("double click to reset"), (char *)NULL);
    gtk_object_set(GTK_OBJECT(output), "tooltip-text", ttoutput, (char *)NULL);
    gtk_object_set(GTK_OBJECT(input), "tooltip-text", ttinput, (char *)NULL);
    gtk_object_set(GTK_OBJECT(bd->radius_slider), "tooltip-text", _("radius for gaussian blur of blend mask"), (char *)NULL);


    g_signal_connect (G_OBJECT (bd->lower_slider), "expose-event",
                      G_CALLBACK (_blendop_blendif_expose), module);

    g_signal_connect (G_OBJECT (bd->upper_slider), "expose-event",
                      G_CALLBACK (_blendop_blendif_expose), module);

    g_signal_connect (G_OBJECT (bd->blendif_enable), "value-changed",
                      G_CALLBACK (_blendop_blendif_callback), bd);

    g_signal_connect(G_OBJECT (bd->channel_tabs), "switch_page",
                     G_CALLBACK (_blendop_blendif_tab_switch), bd);

    g_signal_connect (G_OBJECT (bd->upper_slider), "value-changed",
                      G_CALLBACK (_blendop_blendif_upper_callback), bd);

    g_signal_connect (G_OBJECT (bd->radius_slider), "value-changed",
                      G_CALLBACK (_blendop_blendif_radius_callback), bd);

    g_signal_connect (G_OBJECT (bd->lower_slider), "value-changed",
                      G_CALLBACK (_blendop_blendif_lower_callback), bd);

    g_signal_connect (G_OBJECT(bd->colorpicker), "toggled",
                      G_CALLBACK (_blendop_blendif_pick_toggled), module);

    g_signal_connect (G_OBJECT(bd->showmask), "toggled",
                      G_CALLBACK (_blendop_blendif_showmask_toggled), module);

    g_signal_connect (G_OBJECT(res), "clicked",
                      G_CALLBACK (_blendop_blendif_reset), module);

    g_signal_connect (G_OBJECT(bd->suppress), "toggled",
                      G_CALLBACK (_blendop_blendif_suppress_toggled), module);

    g_signal_connect (G_OBJECT(bd->lower_polarity), "toggled",
                      G_CALLBACK (_blendop_blendif_polarity_callback), bd);

    g_signal_connect (G_OBJECT(bd->upper_polarity), "toggled",
                      G_CALLBACK (_blendop_blendif_polarity_callback), bd);


    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(header), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(uplabel), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(upslider), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(lowlabel), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(lowslider), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(bd->radius_slider), TRUE, FALSE, 0);

    gtk_box_pack_end(GTK_BOX(blendw), GTK_WIDGET(bd->blendif_box),TRUE,TRUE,0);
    gtk_box_pack_end(GTK_BOX(blendw), GTK_WIDGET(bd->blendif_enable),TRUE,TRUE,0);

    bd->blendif_inited = 1;
  }
}
コード例 #2
0
ファイル: blend_gui.c プロジェクト: bgK/darktable
void dt_iop_gui_init_blendif(GtkVBox *blendw, dt_iop_module_t *module)
{
  dt_iop_gui_blend_data_t *bd = (dt_iop_gui_blend_data_t*)module->blend_data;

  /* create and add blendif support if module supports it */
  if (bd->blendif_support)
  {
    int lightness=32768;
    char *Lab_labels[3] = { "  L  ", "  a  ", "  b  " };
    char *Lab_tooltips[3] = { _("sliders for L channel"), _("sliders for a channel"), _("sliders for b channel") };
    char *rgb_labels[4] = { _(" gray "), _(" red "), _(" green "), _(" blue ") };
    char *rgb_tooltips[4] = { _("sliders for gray value"), _("sliders for red channel"), _("sliders for green channel"), _("sliders for blue channel") };

    GdkColor Lab_colors[4][3] = { { /* L channel */
                                   (GdkColor){ 0,0,0,0 }, (GdkColor){ 0,lightness/2,lightness/2,lightness/2 }, (GdkColor){ 0,lightness,lightness,lightness }
                                  },
                                  { /* a channel */
                                   (GdkColor){ 0,0,0.34*lightness*2,0.27*lightness*2 }, (GdkColor){ 0,lightness,lightness,lightness }, (GdkColor){ 0,0.53*lightness*2,0.08*lightness*2,0.28*lightness*2 }
                                  },
                                  { /* b channel */
                                   (GdkColor){ 0,0,0.27*lightness*2,0.58*lightness*2 }, (GdkColor){ 0,lightness,lightness,lightness }, (GdkColor){ 0,0.81*lightness*2,0.66*lightness*2,0 }
                                  },
                                  { /* not used */
                                   (GdkColor){ 0,0,0,0 }, (GdkColor){ 0,0,0,0 }, (GdkColor){ 0,0,0,0 }
                                  } };                     

    GdkColor rgb_colors[4][3] = { { /* gray channel */
                                   (GdkColor){ 0,0,0,0 }, (GdkColor){ 0,lightness/2,lightness/2,lightness/2 }, (GdkColor){ 0,lightness,lightness,lightness }
                                  },
                                  { /* red channel */
                                   (GdkColor){ 0,0,0,0 }, (GdkColor){ 0,lightness/2,0,0 }, (GdkColor){ 0,lightness,0,0 }
                                  },
                                  { /* green channel */
                                   (GdkColor){ 0,0,0,0 }, (GdkColor){ 0,0,lightness/2,0 }, (GdkColor){ 0,0,lightness,0 }
                                  },
                                  { /* blue channel */
                                   (GdkColor){ 0,0,0,0 }, (GdkColor){ 0,0,0,lightness/2 }, (GdkColor){ 0,0,0,lightness }
                                  } };

    char *ttinput = _("adjustment based on input received by this module:\n* range between inner markers (upper filled triangles): blend fully\n* range outside of outer markers (lower open triangles): do not blend at all\n* range between adjacent inner/outer markers: blend gradually");

    char *ttoutput = _("adjustment based on unblended output of this module:\n* range between inner markers (upper filled triangles): blend fully\n* range outside of outer markers (lower open triangles): do not blend at all\n* range between adjacent inner/outer markers: blend gradually");


    bd->channel = 0;

    int maxchannels = 0;
    char **labels = NULL;
    char **tooltips = NULL;

    switch(bd->csp)
    {
      case iop_cs_Lab:
        maxchannels = 3;
        labels = Lab_labels;
        tooltips = Lab_tooltips;
        memcpy(bd->colors, Lab_colors, sizeof(rgb_colors));
        bd->scale_print[0] = _blendif_scale_print_L;
        bd->scale_print[1] = _blendif_scale_print_ab;
        bd->scale_print[2] = _blendif_scale_print_ab;
        bd->scale_print[3] = NULL;
        bd->increments[0] = 1.0f/100.0f;
        bd->increments[1] = 1.0f/256.0f;
        bd->increments[2] = 1.0f/256.0f;
        bd->increments[3] = 1.0f;
        break;
      case iop_cs_rgb:
        maxchannels = 4;
        labels = rgb_labels;
        tooltips = rgb_tooltips;
        memcpy(bd->colors, rgb_colors, sizeof(rgb_colors));
        bd->scale_print[0] = _blendif_scale_print_rgb;
        bd->scale_print[1] = _blendif_scale_print_rgb;
        bd->scale_print[2] = _blendif_scale_print_rgb;
        bd->scale_print[3] = _blendif_scale_print_rgb;
        bd->increments[0] = 1.0f/255.0f;
        bd->increments[1] = 1.0f/255.0f;
        bd->increments[2] = 1.0f/255.0f;
        bd->increments[3] = 1.0f/255.0f;
        break;
      default:
        assert(FALSE);		// blendif not supported for RAW, which is already catched upstream; we should not get here
    }


    bd->blendif_box = GTK_VBOX(gtk_vbox_new(FALSE,DT_GUI_IOP_MODULE_CONTROL_SPACING));
    GtkWidget *uplabel = gtk_hbox_new(FALSE,0);
    GtkWidget *lowlabel = gtk_hbox_new(FALSE,0);
    GtkWidget *notebook = gtk_hbox_new(FALSE,0);

    bd->blendif_enable = dt_bauhaus_combobox_new(module);
    dt_bauhaus_widget_set_label(bd->blendif_enable, _("blend"));
    dt_bauhaus_combobox_add(bd->blendif_enable, _("uniformly"));
    dt_bauhaus_combobox_add(bd->blendif_enable, _("only, if.."));

    bd->channel_tabs = GTK_NOTEBOOK(gtk_notebook_new());

    for(int ch=0; ch<maxchannels; ch++)
    {
      gtk_notebook_append_page(GTK_NOTEBOOK(bd->channel_tabs), GTK_WIDGET(gtk_hbox_new(FALSE,0)), gtk_label_new(labels[ch]));
      g_object_set(G_OBJECT(gtk_notebook_get_tab_label(bd->channel_tabs, gtk_notebook_get_nth_page(bd->channel_tabs, -1))), "tooltip-text", tooltips[ch], NULL);
    }

    gtk_widget_show_all(GTK_WIDGET(gtk_notebook_get_nth_page(bd->channel_tabs, bd->channel)));
    gtk_notebook_set_current_page(GTK_NOTEBOOK(bd->channel_tabs), bd->channel);
    g_object_set(G_OBJECT(bd->channel_tabs), "homogeneous", TRUE, (char *)NULL);

    GtkWidget *tb = dtgtk_togglebutton_new(dtgtk_cairo_paint_colorpicker, CPF_STYLE_FLAT);
    g_object_set(G_OBJECT(tb), "tooltip-text", _("pick gui color from image"), (char *)NULL);

    GtkWidget *sm = dtgtk_togglebutton_new(dtgtk_cairo_paint_showmask, CPF_STYLE_FLAT);
    g_object_set(G_OBJECT(sm), "tooltip-text", _("display mask"), (char *)NULL);

    gtk_box_pack_start(GTK_BOX(notebook), GTK_WIDGET(bd->channel_tabs), FALSE, FALSE, 0);
    gtk_box_pack_end(GTK_BOX(notebook), GTK_WIDGET(tb), FALSE, FALSE, 0);
    gtk_box_pack_end(GTK_BOX(notebook), GTK_WIDGET(sm), FALSE, FALSE, 0);

    bd->lower_slider = DTGTK_GRADIENT_SLIDER_MULTIVALUE(dtgtk_gradient_slider_multivalue_new(4));
    bd->upper_slider = DTGTK_GRADIENT_SLIDER_MULTIVALUE(dtgtk_gradient_slider_multivalue_new(4));

    dtgtk_gradient_slider_multivalue_set_marker(bd->lower_slider, GRADIENT_SLIDER_MARKER_LOWER_OPEN_BIG, 0);
    dtgtk_gradient_slider_multivalue_set_marker(bd->lower_slider, GRADIENT_SLIDER_MARKER_UPPER_FILLED_BIG, 1);
    dtgtk_gradient_slider_multivalue_set_marker(bd->lower_slider, GRADIENT_SLIDER_MARKER_UPPER_FILLED_BIG, 2);
    dtgtk_gradient_slider_multivalue_set_marker(bd->lower_slider, GRADIENT_SLIDER_MARKER_LOWER_OPEN_BIG, 3);

    dtgtk_gradient_slider_multivalue_set_marker(bd->upper_slider, GRADIENT_SLIDER_MARKER_LOWER_OPEN_BIG, 0);
    dtgtk_gradient_slider_multivalue_set_marker(bd->upper_slider, GRADIENT_SLIDER_MARKER_UPPER_FILLED_BIG, 1);
    dtgtk_gradient_slider_multivalue_set_marker(bd->upper_slider, GRADIENT_SLIDER_MARKER_UPPER_FILLED_BIG, 2);
    dtgtk_gradient_slider_multivalue_set_marker(bd->upper_slider, GRADIENT_SLIDER_MARKER_LOWER_OPEN_BIG, 3);

    dtgtk_gradient_slider_multivalue_set_stop(bd->lower_slider, 0.0f, bd->colors[bd->channel][0]);
    dtgtk_gradient_slider_multivalue_set_stop(bd->lower_slider, 0.5f, bd->colors[bd->channel][1]);
    dtgtk_gradient_slider_multivalue_set_stop(bd->lower_slider, 1.0f, bd->colors[bd->channel][2]);

    dtgtk_gradient_slider_multivalue_set_stop(bd->upper_slider, 0.0f, bd->colors[bd->channel][0]);
    dtgtk_gradient_slider_multivalue_set_stop(bd->upper_slider, 0.5f, bd->colors[bd->channel][1]);
    dtgtk_gradient_slider_multivalue_set_stop(bd->upper_slider, 1.0f, bd->colors[bd->channel][2]);

    GtkWidget *output = gtk_label_new(_("output"));
    bd->upper_picker_label = GTK_LABEL(gtk_label_new(""));
    gtk_box_pack_start(GTK_BOX(uplabel), GTK_WIDGET(output), FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(uplabel), GTK_WIDGET(bd->upper_picker_label), TRUE, TRUE, 0);
    for(int k=0; k < 4 ; k++)
    {
      bd->upper_label[k] = GTK_LABEL(gtk_label_new(NULL));
      gtk_label_set_width_chars(bd->upper_label[k], 6);
      gtk_box_pack_start(GTK_BOX(uplabel), GTK_WIDGET(bd->upper_label[k]), FALSE, FALSE, 0);      
    }

    GtkWidget *input = gtk_label_new(_("input"));
    bd->lower_picker_label = GTK_LABEL(gtk_label_new(""));
    gtk_box_pack_start(GTK_BOX(lowlabel), GTK_WIDGET(input), FALSE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(lowlabel), GTK_WIDGET(bd->lower_picker_label), TRUE, TRUE, 0);
    for(int k=0; k < 4 ; k++)
    {
      bd->lower_label[k] = GTK_LABEL(gtk_label_new(NULL));
      gtk_label_set_width_chars(bd->lower_label[k], 6);
      gtk_box_pack_start(GTK_BOX(lowlabel), GTK_WIDGET(bd->lower_label[k]), FALSE, FALSE, 0);      
    }

    gtk_object_set(GTK_OBJECT(bd->blendif_enable), "tooltip-text", _("enable conditional blending"), (char *)NULL);
    gtk_object_set(GTK_OBJECT(bd->lower_slider), "tooltip-text", _("double click to reset"), (char *)NULL);
    gtk_object_set(GTK_OBJECT(bd->upper_slider), "tooltip-text", _("double click to reset"), (char *)NULL);
    gtk_object_set(GTK_OBJECT(output), "tooltip-text", ttoutput, (char *)NULL);
    gtk_object_set(GTK_OBJECT(input), "tooltip-text", ttinput, (char *)NULL);


    g_signal_connect (G_OBJECT (bd->lower_slider), "expose-event",
                      G_CALLBACK (_blendop_blendif_expose), module);

    g_signal_connect (G_OBJECT (bd->upper_slider), "expose-event",
                      G_CALLBACK (_blendop_blendif_expose), module);

    g_signal_connect (G_OBJECT (bd->blendif_enable), "value-changed",
                      G_CALLBACK (_blendop_blendif_callback), bd);

    g_signal_connect(G_OBJECT (bd->channel_tabs), "switch_page",
                     G_CALLBACK (_blendop_blendif_tab_switch), bd);

    g_signal_connect (G_OBJECT (bd->upper_slider), "value-changed",
                      G_CALLBACK (_blendop_blendif_upper_callback), bd);

    g_signal_connect (G_OBJECT (bd->lower_slider), "value-changed",
                      G_CALLBACK (_blendop_blendif_lower_callback), bd);

    g_signal_connect (G_OBJECT(tb), "toggled", 
                      G_CALLBACK (_blendop_blendif_pick_toggled), module);

    g_signal_connect (G_OBJECT(sm), "toggled", 
                      G_CALLBACK (_blendop_blendif_showmask_toggled), module);


    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(notebook), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(uplabel), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(bd->upper_slider), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(lowlabel), TRUE, FALSE, 0);
    gtk_box_pack_start(GTK_BOX(bd->blendif_box), GTK_WIDGET(bd->lower_slider), TRUE, FALSE, 0);

    gtk_box_pack_end(GTK_BOX(blendw), GTK_WIDGET(bd->blendif_box),TRUE,TRUE,0);
    gtk_box_pack_end(GTK_BOX(blendw), GTK_WIDGET(bd->blendif_enable),TRUE,TRUE,0);
  }
}