C++ (Cpp) sp_canvas_bpath_set_fill Exemples

Exemple #1

Fichier : dropper-context.cpp Projet : step21/inkscape-osx-packaging-native

static void sp_dropper_context_setup(SPEventContext *ec)
{
    SPDropperContext *dc = SP_DROPPER_CONTEXT(ec);

    if (((SPEventContextClass *) parent_class)->setup) {
        ((SPEventContextClass *) parent_class)->setup(ec);
    }

    /* TODO: have a look at sp_dyna_draw_context_setup where the same is done.. generalize? at least make it an arcto! */
    SPCurve *c = new SPCurve();
    const double C1 = 0.552;
    c->moveto(-1,0);
    c->curveto(-1, C1, -C1, 1, 0, 1 );
    c->curveto(C1, 1, 1, C1, 1, 0 );
    c->curveto(1, -C1, C1, -1, 0, -1 );
    c->curveto(-C1, -1, -1, -C1, -1, 0 );
    c->closepath();
    dc->area = sp_canvas_bpath_new(sp_desktop_controls(ec->desktop), c);
    c->unref();
    sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(dc->area), 0x00000000,(SPWindRule)0);
    sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(dc->area), 0x0000007f, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
    sp_canvas_item_hide(dc->area);

    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    if (prefs->getBool("/tools/dropper/selcue")) {
        ec->enableSelectionCue();
    }

    if (prefs->getBool("/tools/dropper/gradientdrag")) {
        ec->enableGrDrag();
    }
}

Exemple #2

void Inkscape::Rubberband::move(Geom::Point const &p)
{
    if (!_started) 
        return;

    _end = p;
    _desktop->scroll_to_point(p);
    _touchpath_curve->lineto(p);

    Geom::Point next = _desktop->d2w(p);
    // we want the points to be at most 0.5 screen pixels apart,
    // so that we don't lose anything small;
    // if they are farther apart, we interpolate more points
    if (_points.size() > 0 && Geom::L2(next-_points.back()) > 0.5) {
        Geom::Point prev = _points.back();
        int subdiv = 2 * (int) round(Geom::L2(next-prev) + 0.5);
        for (int i = 1; i <= subdiv; i ++) {
            _points.push_back(prev + ((double)i/subdiv) * (next - prev));
        }
    } else {
        _points.push_back(next);
    }

    if (_mode == RUBBERBAND_MODE_RECT) {
        if (_rect == NULL) {
            _rect = static_cast<CtrlRect *>(sp_canvas_item_new(sp_desktop_controls(_desktop), SP_TYPE_CTRLRECT, NULL));
        }
        _rect->setRectangle(Geom::Rect(_start, _end));

        sp_canvas_item_show(_rect);
        if (_touchpath)
            sp_canvas_item_hide(_touchpath);

    } else if (_mode == RUBBERBAND_MODE_TOUCHPATH) {
        if (_touchpath == NULL) {
            _touchpath = sp_canvas_bpath_new(sp_desktop_sketch(_desktop), NULL);
            sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(_touchpath), 0xff0000ff, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
            sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(_touchpath), 0, SP_WIND_RULE_NONZERO);
        }
        sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(_touchpath), _touchpath_curve);

        sp_canvas_item_show(_touchpath);
        if (_rect)
            sp_canvas_item_hide(_rect);
    }
}