C++ (Cpp) sp_desktop_dt2root_affine Examples

Example #1

File: desktop-affine.cpp Project: step21/inkscape-osx-packaging-native

Geom::Point sp_desktop_dt2root_xy_point(SPDesktop const *dt, Geom::Point const p)
{
    return p * sp_desktop_dt2root_affine(dt);
}

Example #2

File: draw-context.c Project: benjohnson2001/base

static void
spdc_flush_white (SPDrawContext *dc, SPCurve *gc)
{
	SPCurve *c;

	if (dc->white_curves) {
		g_assert (dc->white_item);
		c = sp_curve_concat (dc->white_curves);
		g_slist_free (dc->white_curves);
		dc->white_curves = NULL;
		if (gc) {
			sp_curve_append (c, gc, FALSE);
		}
	} else if (gc) {
		c = gc;
		sp_curve_ref (c);
	} else {
		return;
	}

	/* Now we have to go back to item coordinates at last */
	if (dc->white_item) {
		NRMatrixD d2itemd;
		sp_item_dt2i_affine_d (dc->white_item, SP_EVENT_CONTEXT_DESKTOP (dc), &d2itemd);
		c = sp_curve_transform (c, NR_MATRIX_D_TO_DOUBLE (&d2itemd));
	} else {
		gdouble d2item[6];
		sp_desktop_dt2root_affine (SP_EVENT_CONTEXT_DESKTOP (dc), (NRMatrixD *) d2item);
		c = sp_curve_transform (c, d2item);
	}

	if (c && !sp_curve_empty (c)) {
		SPDesktop *dt;
		SPDocument *doc;
		SPRepr *repr;
		gchar *str;

		/* We actually have something to write */

		dt = SP_EVENT_CONTEXT_DESKTOP (dc);
		doc = SP_DT_DOCUMENT (dt);

		if (dc->white_item) {
			repr = SP_OBJECT_REPR (dc->white_item);
		} else {
			SPRepr *style;
			repr = sp_repr_new ("path");
			/* fixme: Pen and pencil need separate style (Lauris) */
			style = inkscape_get_repr (INKSCAPE, "tools.freehand");
			if (style) {
				SPCSSAttr *css;
				css = sp_repr_css_attr_inherited (style, "style");
				sp_repr_css_set (repr, css, "style");
				sp_repr_css_attr_unref (css);
			}
		}

		str = sp_svg_write_path (SP_CURVE_BPATH (c));
		g_assert (str != NULL);
		sp_repr_set_attr (repr, "d", str);
		g_free (str);

		if (!dc->white_item) {
			/* Attach repr */
			sp_document_add_repr (SP_DT_DOCUMENT (dt), repr);
			sp_selection_set_repr (dc->selection, repr);
			sp_repr_unref (repr);
		}

		sp_document_done (doc);
	}

	sp_curve_unref (c);

	/* Flush pending updates */
	sp_document_ensure_up_to_date (SP_DT_DOCUMENT (SP_EVENT_CONTEXT_DESKTOP (dc)));
}