src/ui/dialog/fill-and-stroke.cpp

   1 /**
   2  * \brief Fill and Stroke dialog,
   3  * based on sp_object_properties_dialog
   4  *
   5  * Authors:
   6  *   Bryce W. Harrington <bryce@bryceharrington.org>
   7  *   Gustav Broberg <broberg@kth.se>
   8  *
   9  * Copyright (C) 2004--2007 Authors
  10  *
  11  * Released under GNU GPL.  Read the file 'COPYING' for more information.
  12  */
  13
  14 #ifdef HAVE_CONFIG_H
  15 # include <config.h>
  16 #endif
  17
  18 #include "desktop-handles.h"
  19 #include "desktop-style.h"
  20 #include "document.h"
  21 #include "fill-and-stroke.h"
  22 #include "filter-chemistry.h"
  23 #include "inkscape.h"
  24 #include "inkscape-stock.h"
  25 #include "selection.h"
  26 #include "style.h"
  27 #include "svg/css-ostringstream.h"
  28 #include "verbs.h"
  29 #include "xml/repr.h"
  30 #include "widgets/icon.h"
  31
  32
  33 #include "dialogs/fill-style.h"
  34 #include "dialogs/stroke-style.h"
  35
  36 #include <widgets/paint-selector.h>
  37
  38 namespace Inkscape {
  39 namespace UI {
  40 namespace Dialog {
  41
  42 void on_selection_changed(Inkscape::Application *inkscape,
  43                           Inkscape::Selection *selection,
  44                           FillAndStroke *dlg)
  45 {
  46     dlg->selectionChanged(inkscape, selection);
  47 }
  48
  49 void on_selection_modified(Inkscape::Application *inkscape,
  50                            Inkscape::Selection *selection,
  51                            guint flags,
  52                            FillAndStroke *dlg)
  53 {
  54     dlg->selectionChanged(inkscape, selection);
  55 }
  56
  57
  58 FillAndStroke::FillAndStroke()
  59     : Dialog ("dialogs.fillstroke", SP_VERB_DIALOG_FILL_STROKE),
  60       _page_fill(1, 1, true, true),
  61       _page_stroke_paint(1, 1, true, true),
  62       _page_stroke_style(1, 1, true, true),
  63       _fe_vbox(false, 0),
  64       _fe_alignment(1, 1, 1, 1),
  65       _opacity_vbox(false, 0),
  66       _opacity_label_box(false, 0),
  67       _opacity_label(_("Master _opacity, %"), 0.0, 1.0, true),
  68       _opacity_adjustment(100.0, 0.0, 100.0, 1.0, 1.0, 0.0),
  69       _opacity_hscale(_opacity_adjustment),
  70       _opacity_spin_button(_opacity_adjustment, 0.01, 1),
  71       _blocked(false)
  72 {
  73     Gtk::VBox *vbox = get_vbox();
  74     vbox->set_spacing(0);
  75
  76     vbox->pack_start(_notebook, true, true);
  77
  78     _notebook.append_page(_page_fill, _createPageTabLabel(_("Fill"), INKSCAPE_STOCK_PROPERTIES_FILL_PAGE));
  79     _notebook.append_page(_page_stroke_paint, _createPageTabLabel(_("Stroke _paint"), INKSCAPE_STOCK_PROPERTIES_STROKE_PAINT_PAGE));
  80     _notebook.append_page(_page_stroke_style, _createPageTabLabel(_("Stroke st_yle"), INKSCAPE_STOCK_PROPERTIES_STROKE_PAGE));
  81
  82     _layoutPageFill();
  83     _layoutPageStrokePaint();
  84     _layoutPageStrokeStyle();
  85
  86     // Filter Effects
  87     vbox->pack_start(_fe_vbox, false, false, 2);
  88     _fe_alignment.set_padding(0, 0, 4, 0);
  89     _fe_alignment.add(_fe_cb);
  90     _fe_vbox.pack_start(_fe_alignment, false, false, 0);
  91
  92     _fe_cb.signal_blend_blur_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Dialog::FillAndStroke::_blendBlurValueChanged));
  93
  94     // Opacity
  95     vbox->pack_start(_opacity_vbox, false, false, 2);
  96     _opacity_label_box.pack_start(_opacity_label, false, false, 4);
  97     _opacity_vbox.pack_start(_opacity_label_box, false, false, 0);
  98     _opacity_vbox.pack_start(_opacity_hbox, false, false, 0);
  99     _opacity_hbox.pack_start(_opacity_hscale, true, true, 4);
 100     _opacity_hbox.pack_start(_opacity_spin_button, false, false, 0);
 101     _opacity_hscale.set_draw_value(false);
 102     _opacity_adjustment.signal_value_changed().connect(sigc::mem_fun(*this, &Inkscape::UI::Dialog::FillAndStroke::_opacityValueChanged));
 103
 104     // these callbacks are only for the blur and master opacity update; the tabs above take care of themselves
 105     g_signal_connect ( G_OBJECT (INKSCAPE), "change_selection", G_CALLBACK (on_selection_changed), this );
 106     g_signal_connect ( G_OBJECT (INKSCAPE), "change_subselection", G_CALLBACK (on_selection_changed), this );
 107     g_signal_connect ( G_OBJECT (INKSCAPE), "modify_selection", G_CALLBACK (on_selection_modified), this );
 108     g_signal_connect ( G_OBJECT (INKSCAPE), "activate_desktop", G_CALLBACK (on_selection_changed), this );
 109
 110     selectionChanged(INKSCAPE, sp_desktop_selection(SP_ACTIVE_DESKTOP));
 111
 112     show_all_children();
 113 }
 114
 115 FillAndStroke::~FillAndStroke()
 116 {
 117 }
 118
 119 void
 120 FillAndStroke::_layoutPageFill()
 121 {
 122     Gtk::Widget *fs = manage(Glib::wrap(sp_fill_style_widget_new()));
 123     _page_fill.table().attach(*fs, 0, 1, 0, 1);
 124 }
 125
 126 void
 127 FillAndStroke::_layoutPageStrokePaint()
 128 {
 129     Gtk::Widget *ssp = manage(Glib::wrap(sp_stroke_style_paint_widget_new()));
 130     _page_stroke_paint.table().attach(*ssp, 0, 1, 0, 1);
 131 }
 132
 133 void
 134 FillAndStroke::_layoutPageStrokeStyle()
 135 {
 136     Gtk::Widget *ssl = manage(Glib::wrap(sp_stroke_style_line_widget_new()));
 137     _page_stroke_style.table().attach(*ssl, 0, 1, 0, 1);
 138 }
 139
 140 void
 141 FillAndStroke::_blendBlurValueChanged()
 142 {
 143     if (_blocked)
 144         return;
 145     _blocked = true;
 146
 147     //get desktop
 148     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
 149     if (!desktop) {
 150         return;
 151     }
 152
 153     // FIXME: fix for GTK breakage, see comment in SelectedStyle::on_opacity_changed; here it results in crash 1580903
 154     sp_canvas_force_full_redraw_after_interruptions(sp_desktop_canvas(desktop), 0);
 155
 156     //get current selection
 157     Inkscape::Selection *selection = sp_desktop_selection (desktop);
 158
 159     NR::Maybe<NR::Rect> bbox = selection->bounds();
 160     if (!bbox) {
 161         return;
 162     }
 163     //get list of selected items
 164     GSList const *items = selection->itemList();
 165     //get current document
 166     SPDocument *document = sp_desktop_document (desktop);
 167
 168     double perimeter = bbox->extent(NR::X) + bbox->extent(NR::Y);
 169
 170     const Glib::ustring blendmode = _fe_cb.get_blend_mode();
 171     double radius = _fe_cb.get_blur_value() * perimeter / 400;
 172
 173     SPFilter *filter = 0;
 174     const bool remfilter = (blendmode == "normal" && radius == 0) || (blendmode == "filter" && !filter);
 175
 176     if(blendmode != "filter" || filter) {
 177         //apply created filter to every selected item
 178         for (GSList const *i = items; i != NULL; i = i->next) {
 179             SPItem * item = SP_ITEM(i->data);
 180             SPStyle *style = SP_OBJECT_STYLE(item);
 181             g_assert(style != NULL);
 182
 183             if(remfilter) {
 184                 remove_filter (item, false);
 185             }
 186             else {
 187                 if(blendmode != "filter")
 188                     filter = new_filter_simple_from_item(document, item, blendmode.c_str(), radius);
 189                 sp_style_set_property_url (SP_OBJECT(item), "filter", SP_OBJECT(filter), false);
 190             }
 191
 192             //request update
 193             SP_OBJECT(item)->requestDisplayUpdate(( SP_OBJECT_MODIFIED_FLAG |
 194                                                     SP_OBJECT_STYLE_MODIFIED_FLAG ));
 195         }
 196     }
 197
 198     sp_document_maybe_done (sp_desktop_document (SP_ACTIVE_DESKTOP), "fillstroke:blur", SP_VERB_DIALOG_FILL_STROKE,  _("Change blur"));
 199
 200     // resume interruptibility
 201     sp_canvas_end_forced_full_redraws(sp_desktop_canvas(desktop));
 202
 203     _blocked = false;
 204 }
 205
 206 void
 207 FillAndStroke::_opacityValueChanged()
 208 {
 209     if (_blocked)
 210         return;
 211     _blocked = true;
 212
 213     // FIXME: fix for GTK breakage, see comment in SelectedStyle::on_opacity_changed; here it results in crash 1580903
 214     // UPDATE: crash fixed in GTK+ 2.10.7 (bug 374378), remove this as soon as it's reasonably common
 215     // (though this only fixes the crash, not the multiple change events)
 216     sp_canvas_force_full_redraw_after_interruptions(sp_desktop_canvas(SP_ACTIVE_DESKTOP), 0);
 217
 218     SPCSSAttr *css = sp_repr_css_attr_new ();
 219
 220     Inkscape::CSSOStringStream os;
 221     os << CLAMP (_opacity_adjustment.get_value() / 100, 0.0, 1.0);
 222     sp_repr_css_set_property (css, "opacity", os.str().c_str());
 223
 224     sp_desktop_set_style (SP_ACTIVE_DESKTOP, css);
 225
 226     sp_repr_css_attr_unref (css);
 227
 228     sp_document_maybe_done (sp_desktop_document (SP_ACTIVE_DESKTOP), "fillstroke:opacity", SP_VERB_DIALOG_FILL_STROKE,
 229                             _("Change opacity"));
 230
 231     // resume interruptibility
 232     sp_canvas_end_forced_full_redraws(sp_desktop_canvas(SP_ACTIVE_DESKTOP));
 233
 234     _blocked = false;
 235 }
 236
 237 void
 238 FillAndStroke::selectionChanged(Inkscape::Application *inkscape,
 239                                 Inkscape::Selection *selection)
 240 {
 241     if (_blocked)
 242         return;
 243     _blocked = true;
 244
 245     // create temporary style
 246     SPStyle *query = sp_style_new (SP_ACTIVE_DOCUMENT);
 247     // query style from desktop into it. This returns a result flag and fills query with the style of subselection, if any, or selection
 248     int result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_MASTEROPACITY);
 249
 250     switch (result) {
 251         case QUERY_STYLE_NOTHING:
 252             _opacity_hbox.set_sensitive(false);
 253             // gtk_widget_set_sensitive (opa, FALSE);
 254             break;
 255         case QUERY_STYLE_SINGLE:
 256         case QUERY_STYLE_MULTIPLE_AVERAGED: // TODO: treat this slightly differently
 257         case QUERY_STYLE_MULTIPLE_SAME:
 258             _opacity_hbox.set_sensitive(true);
 259             _opacity_adjustment.set_value(100 * SP_SCALE24_TO_FLOAT(query->opacity.value));
 260             break;
 261     }
 262
 263     //query now for current filter mode and average blurring of selection
 264     const int blend_result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_BLEND);
 265     switch(blend_result) {
 266         case QUERY_STYLE_NOTHING:
 267             _fe_cb.set_sensitive(false);
 268             break;
 269         case QUERY_STYLE_SINGLE:
 270         case QUERY_STYLE_MULTIPLE_SAME:
 271             _fe_cb.set_blend_mode(query->filter_blend_mode.value);
 272             _fe_cb.set_sensitive(true);
 273             break;
 274         case QUERY_STYLE_MULTIPLE_DIFFERENT:
 275             // TODO: set text
 276             _fe_cb.set_sensitive(false);
 277             break;
 278     }
 279
 280     if(blend_result == QUERY_STYLE_SINGLE || blend_result == QUERY_STYLE_MULTIPLE_SAME) {
 281         int blur_result = sp_desktop_query_style (SP_ACTIVE_DESKTOP, query, QUERY_STYLE_PROPERTY_BLUR);
 282         switch (blur_result) {
 283             case QUERY_STYLE_NOTHING: //no blurring
 284                 _fe_cb.set_blur_sensitive(false);
 285                 break;
 286             case QUERY_STYLE_SINGLE:
 287             case QUERY_STYLE_MULTIPLE_AVERAGED:
 288             case QUERY_STYLE_MULTIPLE_SAME:
 289                 NR::Maybe<NR::Rect> bbox = sp_desktop_selection(SP_ACTIVE_DESKTOP)->bounds();
 290                 if (bbox) {
 291                     double perimeter = bbox->extent(NR::X) + bbox->extent(NR::Y);
 292                     _fe_cb.set_blur_sensitive(true);
 293                     //update blur widget value
 294                     float radius = query->filter_gaussianBlur_deviation.value;
 295                     float percent = radius * 400 / perimeter; // so that for a square, 100% == half side
 296                     _fe_cb.set_blur_value(percent);
 297                 }
 298                 break;
 299         }
 300     }
 301
 302     sp_style_unref(query);
 303
 304     _blocked = false;
 305 }
 306
 307 Gtk::HBox&
 308 FillAndStroke::_createPageTabLabel(const Glib::ustring& label, const char *label_image)
 309 {
 310     Gtk::HBox *_tab_label_box = manage(new Gtk::HBox(false, 0));
 311     _tab_label_box->pack_start(*Glib::wrap(sp_icon_new(Inkscape::ICON_SIZE_DECORATION,
 312                                                        label_image)));
 313
 314     Gtk::Label *_tab_label = manage(new Gtk::Label(label, true));
 315     _tab_label_box->pack_start(*_tab_label);
 316     _tab_label_box->show_all();
 317
 318     return *_tab_label_box;
 319 }
 320
 321 } // namespace Dialog
 322 } // namespace UI
 323 } // namespace Inkscape
 324
 325 /*
 326   Local Variables:
 327   mode:c++
 328   c-file-style:"stroustrup"
 329   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 330   indent-tabs-mode:nil
 331   fill-column:99
 332   End:
 333 */
 334 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :