Exemplo n.º 1
0
// TODO this seems very bad to be taking in a desktop pointer to muck with. Logic probably belongs elsewhere
void SPPaintSelector::setFlatColor( SPDesktop *desktop, gchar const *color_property, gchar const *opacity_property )
{
    SPCSSAttr *css = sp_repr_css_attr_new();

    SPColor color;
    gfloat alpha = 0;
    getColorAlpha( color, alpha );

    std::string colorStr = color.toString();

#ifdef SP_PS_VERBOSE
    guint32 rgba = color.toRGBA32( alpha );
    g_message("sp_paint_selector_set_flat_color() to '%s' from 0x%08x::%s",
              colorStr.c_str(),
              rgba,
              (color.icc ? color.icc->colorProfile.c_str():"<null>") );
#endif // SP_PS_VERBOSE

    sp_repr_css_set_property(css, color_property, colorStr.c_str());
    Inkscape::CSSOStringStream osalpha;
    osalpha << alpha;
    sp_repr_css_set_property(css, opacity_property, osalpha.str().c_str());

    sp_desktop_set_style(desktop, css);

    sp_repr_css_attr_unref(css);
}
Exemplo n.º 2
0
/**
 * Writes the gradient's internal vector (whether from its own stops, or
 * inherited from refs) into the gradient repr as svg:stop elements.
 */
void
sp_gradient_repr_write_vector(SPGradient *gr)
{
    g_return_if_fail(gr != NULL);
    g_return_if_fail(SP_IS_GRADIENT(gr));

    Inkscape::XML::Document *xml_doc = gr->document->getReprDoc();
    Inkscape::XML::Node *repr = gr->getRepr();

    /* We have to be careful, as vector may be our own, so construct repr list at first */
    GSList *cl = NULL;

    for (guint i = 0; i < gr->vector.stops.size(); i++) {
        Inkscape::CSSOStringStream os;
        Inkscape::XML::Node *child = xml_doc->createElement("svg:stop");
        sp_repr_set_css_double(child, "offset", gr->vector.stops[i].offset);
        /* strictly speaking, offset an SVG <number> rather than a CSS one, but exponents make no
         * sense for offset proportions. */
        os << "stop-color:" << gr->vector.stops[i].color.toString() << ";stop-opacity:" << gr->vector.stops[i].opacity;
        child->setAttribute("style", os.str().c_str());
        /* Order will be reversed here */
        cl = g_slist_prepend(cl, child);
    }

    sp_gradient_repr_clear_vector(gr);

    /* And insert new children from list */
    while (cl) {
        Inkscape::XML::Node *child = static_cast<Inkscape::XML::Node *>(cl->data);
        repr->addChild(child, NULL);
        Inkscape::GC::release(child);
        cl = g_slist_remove(cl, child);
    }
}
Exemplo n.º 3
0
static void sp_grd_ed_add_stop(GtkWidget */*widget*/,  GtkWidget *vb)
{
    SPGradient *gradient = static_cast<SPGradient *>(g_object_get_data(G_OBJECT(vb), "gradient"));
    verify_grad(gradient);

    SPStop *stop = get_selected_stop(vb);
    if (!stop) {
        return;
    }

    Inkscape::XML::Node *new_stop_repr = NULL;

    SPStop *next = stop->getNextStop();

    if (next == NULL) {
        SPStop *prev = stop->getPrevStop();
        if (prev != NULL) {
            next = stop;
            stop = prev;
        }
    }

    if (next != NULL) {
        new_stop_repr = stop->getRepr()->duplicate(gradient->getRepr()->document());
        gradient->getRepr()->addChild(new_stop_repr, stop->getRepr());
    } else {
        next = stop;
        new_stop_repr = stop->getPrevStop()->getRepr()->duplicate(gradient->getRepr()->document());
        gradient->getRepr()->addChild(new_stop_repr, stop->getPrevStop()->getRepr());
    }

    SPStop *newstop = reinterpret_cast<SPStop *>(gradient->document->getObjectByRepr(new_stop_repr));

    newstop->offset = (stop->offset + next->offset) * 0.5 ;

    guint32 const c1 = stop->get_rgba32();
    guint32 const c2 = next->get_rgba32();
    guint32 cnew = sp_average_color(c1, c2);

    Inkscape::CSSOStringStream os;
    gchar c[64];
    sp_svg_write_color(c, sizeof(c), cnew);
    gdouble opacity = static_cast<gdouble>(SP_RGBA32_A_F(cnew));
    os << "stop-color:" << c << ";stop-opacity:" << opacity <<";";
    newstop->getRepr()->setAttribute("style", os.str().c_str());
    sp_repr_set_css_double( newstop->getRepr(), "offset", (double)newstop->offset);

    sp_gradient_vector_widget_load_gradient(vb, gradient);
    Inkscape::GC::release(new_stop_repr);
    update_stop_list(GTK_WIDGET(vb), gradient, newstop);
    GtkWidget *offspin = GTK_WIDGET(g_object_get_data(G_OBJECT(vb), "offspn"));
    GtkWidget *offslide =GTK_WIDGET(g_object_get_data(G_OBJECT(vb), "offslide"));
    gtk_widget_set_sensitive(offslide, TRUE);
    gtk_widget_set_sensitive(GTK_WIDGET(offspin), TRUE);
    DocumentUndo::done(gradient->document, SP_VERB_CONTEXT_GRADIENT,
                       _("Add gradient stop"));
}
Exemplo n.º 4
0
static void verify_grad(SPGradient *gradient)
{
    int i = 0;
    SPStop *stop = NULL;
    /* count stops */
    for ( SPObject *ochild = gradient->firstChild() ; ochild ; ochild = ochild->getNext() ) {
        if (SP_IS_STOP(ochild)) {
            i++;
            stop = SP_STOP(ochild);
        }
    }

    Inkscape::XML::Document *xml_doc;
    xml_doc = gradient->getRepr()->document();

    if (i < 1) {
        Inkscape::CSSOStringStream os;
        os << "stop-color: #000000;stop-opacity:" << 1.0 << ";";

        Inkscape::XML::Node *child;

        child = xml_doc->createElement("svg:stop");
        sp_repr_set_css_double(child, "offset", 0.0);
        child->setAttribute("style", os.str().c_str());
        gradient->getRepr()->addChild(child, NULL);
        Inkscape::GC::release(child);

        child = xml_doc->createElement("svg:stop");
        sp_repr_set_css_double(child, "offset", 1.0);
        child->setAttribute("style", os.str().c_str());
        gradient->getRepr()->addChild(child, NULL);
        Inkscape::GC::release(child);
        return;
    }
    if (i < 2) {
        sp_repr_set_css_double(stop->getRepr(), "offset", 0.0);
        Inkscape::XML::Node *child = stop->getRepr()->duplicate(gradient->getRepr()->document());
        sp_repr_set_css_double(child, "offset", 1.0);
        gradient->getRepr()->addChild(child, stop->getRepr());
        Inkscape::GC::release(child);
    }
}
void
ObjectCompositeSettings::_opacityValueChanged()
{
    if (!_subject) {
        return;
    }

    SPDesktop *desktop = _subject->getDesktop();
    if (!desktop) {
        return;
    }

    if (_blocked)
        return;
    _blocked = true;

    // FIXME: fix for GTK breakage, see comment in SelectedStyle::on_opacity_changed; here it results in crash 1580903
    // UPDATE: crash fixed in GTK+ 2.10.7 (bug 374378), remove this as soon as it's reasonably common
    // (though this only fixes the crash, not the multiple change events)
    //sp_canvas_force_full_redraw_after_interruptions(sp_desktop_canvas(desktop), 0);

    SPCSSAttr *css = sp_repr_css_attr_new ();

    Inkscape::CSSOStringStream os;
    os << CLAMP (_opacity_scale.get_adjustment()->get_value() / 100, 0.0, 1.0);
    sp_repr_css_set_property (css, "opacity", os.str().c_str());

    _subject->setCSS(css);

    sp_repr_css_attr_unref (css);

    DocumentUndo::maybeDone(sp_desktop_document (desktop), _opacity_tag.c_str(), _verb_code,
                            _("Change opacity"));

    // resume interruptibility
    //sp_canvas_end_forced_full_redraws(sp_desktop_canvas(desktop));

    _blocked = false;
}
Exemplo n.º 6
0
static void sp_gradient_vector_color_changed(Inkscape::UI::SelectedColor *selected_color, GObject *object)
{
    (void)selected_color;

    void* updating_color = g_object_get_data(G_OBJECT(object), "updating_color");
    if (updating_color) {
        return;
    }

    if (blocked) {
        return;
    }

    SPGradient *gradient = static_cast<SPGradient*>(g_object_get_data(G_OBJECT(object), "gradient"));
    if (!gradient) {
        return;
    }

    blocked = TRUE;

    SPGradient *ngr = sp_gradient_ensure_vector_normalized(gradient);
    if (ngr != gradient) {
        /* Our master gradient has changed */
        sp_gradient_vector_widget_load_gradient(GTK_WIDGET(object), ngr);
    }

    ngr->ensureVector();

    /* Set start parameters */
    /* We rely on normalized vector, i.e. stops HAVE to exist */
    g_return_if_fail(ngr->getFirstStop() != NULL);

    SPStop *stop = get_selected_stop(GTK_WIDGET(object));
    if (!stop) {
        return;
    }

    SelectedColor *csel = static_cast<SelectedColor *>(g_object_get_data(G_OBJECT(object), "cselector"));
    SPColor color;
    float alpha = 0;
    csel->colorAlpha(color, alpha);

    sp_repr_set_css_double(stop->getRepr(), "offset", stop->offset);
    Inkscape::CSSOStringStream os;
    os << "stop-color:" << color.toString() << ";stop-opacity:" << static_cast<gdouble>(alpha) <<";";
    stop->getRepr()->setAttribute("style", os.str().c_str());
    // g_snprintf(c, 256, "stop-color:#%06x;stop-opacity:%g;", rgb >> 8, static_cast<gdouble>(alpha));
    //stop->getRepr()->setAttribute("style", c);

    DocumentUndo::done(ngr->document, SP_VERB_CONTEXT_GRADIENT,
                       _("Change gradient stop color"));

    blocked = FALSE;

    // Set the color in the selected stop after change
    GtkWidget *combo_box = static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(object), "combo_box"));
    if (combo_box) {
        GtkTreeIter  iter;
        if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX(combo_box), &iter)) {
            GtkListStore *store = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(combo_box)));

            Inkscape::UI::Widget::ColorPreview *cp = Gtk::manage(new Inkscape::UI::Widget::ColorPreview(stop->get_rgba32()));
            GdkPixbuf *pb = cp->toPixbuf(64, 16);

            gtk_list_store_set (store, &iter, 0, pb, /*1, repr->attribute("id"),*/ 2, stop, -1);
        }
    }

}
SPCSSAttr *
sp_get_text_dialog_style ()
{
        GtkWidget *fontsel = (GtkWidget*)g_object_get_data (G_OBJECT (dlg), "fontsel");

        SPCSSAttr *css = sp_repr_css_attr_new ();

        /* font */
        font_instance *font = sp_font_selector_get_font (SP_FONT_SELECTOR (fontsel));

        if ( font ) {
            Glib::ustring fontName = font_factory::Default()->ConstructFontSpecification(font);
            sp_repr_css_set_property (css, "-inkscape-font-specification", fontName.c_str());

            gchar c[256];

            font->Family(c, 256);
            sp_repr_css_set_property (css, "font-family", c);

            font->Attribute( "weight", c, 256);
            sp_repr_css_set_property (css, "font-weight", c);

            font->Attribute("style", c, 256);
            sp_repr_css_set_property (css, "font-style", c);

            font->Attribute("stretch", c, 256);
            sp_repr_css_set_property (css, "font-stretch", c);

            font->Attribute("variant", c, 256);
            sp_repr_css_set_property (css, "font-variant", c);

            Inkscape::CSSOStringStream os;
            os << sp_font_selector_get_size (SP_FONT_SELECTOR (fontsel)) << "px"; // must specify px, see inkscape bug 1221626 and 1610103
            sp_repr_css_set_property (css, "font-size", os.str().c_str());

            font->Unref();
            font=NULL;
        }

        /* Layout */
        GtkWidget *b = (GtkWidget*)g_object_get_data (G_OBJECT (dlg), "text_anchor_start");

        // Align Left
        if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (b))) {
            sp_repr_css_set_property (css, "text-anchor", "start");
            sp_repr_css_set_property (css, "text-align", "start");
        } else {
            // Align Center
            b = (GtkWidget*)g_object_get_data ( G_OBJECT (dlg),
                                                "text_anchor_middle");
            if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (b))) {
                sp_repr_css_set_property (css, "text-anchor", "middle");
                sp_repr_css_set_property (css, "text-align", "center");
            } else {
                // Align Right
                b = (GtkWidget*)g_object_get_data ( G_OBJECT (dlg),
                                                    "text_anchor_end");
                if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (b))) {
                    sp_repr_css_set_property (css, "text-anchor", "end");
                    sp_repr_css_set_property (css, "text-align", "end");
                } else {
                    // Align Justify
                    sp_repr_css_set_property (css, "text-anchor", "start");
                    sp_repr_css_set_property (css, "text-align", "justify");
                }
            }
        }

        b = (GtkWidget*)g_object_get_data (G_OBJECT (dlg), INKSCAPE_STOCK_WRITING_MODE_LR );

        if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (b))) {
            sp_repr_css_set_property (css, "writing-mode", "lr");
        } else {
            sp_repr_css_set_property (css, "writing-mode", "tb");
        }

        // Note that CSS 1.1 does not support line-height; we set it for consistency, but also set
        // sodipodi:linespacing for backwards compatibility; in 1.2 we use line-height for flowtext
        GtkWidget *combo = (GtkWidget*)g_object_get_data ((GObject *) dlg, "line_spacing");
        const char *sstr = gtk_entry_get_text ((GtkEntry *) ((GtkCombo *) (combo))->entry);
        sp_repr_css_set_property (css, "line-height", sstr);

        return css;
}