本文整理汇总了C++中SPCurve::ref方法的典型用法代码示例。如果您正苦于以下问题：C++ SPCurve::ref方法的具体用法？C++ SPCurve::ref怎么用？C++ SPCurve::ref使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SPCurve的用法示例。
在下文中一共展示了SPCurve::ref方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sp_image_set_curve
static void sp_image_set_curve( SPImage *image )
{
//create a curve at the image's boundary for snapping
if ((image->height.computed < MAGIC_EPSILON_TOO) || (image->width.computed < MAGIC_EPSILON_TOO) || (image->clip_ref->getObject())) {
if (image->curve) {
image->curve = image->curve->unref();
}
} else {
Geom::OptRect rect = image->bbox(Geom::identity(), SPItem::VISUAL_BBOX);
SPCurve *c = SPCurve::new_from_rect(*rect, true);
if (image->curve) {
image->curve = image->curve->unref();
}
if (c) {
image->curve = c->ref();
c->unref();
}
}
}示例2: spdc_flush_white
static void spdc_flush_white(FreehandBase *dc, SPCurve *gc)
{
SPCurve *c;
if (dc->white_curves) {
g_assert(dc->white_item);
c = SPCurve::concat(dc->white_curves);
g_slist_free(dc->white_curves);
dc->white_curves = NULL;
if (gc) {
c->append(gc, FALSE);
}
} else if (gc) {
c = gc;
c->ref();
} else {
return;
}
// Now we have to go back to item coordinates at last
c->transform( dc->white_item
? (dc->white_item)->dt2i_affine()
: dc->desktop->dt2doc() );
SPDesktop *desktop = dc->desktop;
SPDocument *doc = desktop->getDocument();
Inkscape::XML::Document *xml_doc = doc->getReprDoc();
if ( c && !c->is_empty() ) {
// We actually have something to write
bool has_lpe = false;
Inkscape::XML::Node *repr;
if (dc->white_item) {
repr = dc->white_item->getRepr();
has_lpe = SP_LPE_ITEM(dc->white_item)->hasPathEffectRecursive();
} else {
repr = xml_doc->createElement("svg:path");
// Set style
sp_desktop_apply_style_tool(desktop, repr, tool_name(dc).data(), false);
}
gchar *str = sp_svg_write_path( c->get_pathvector() );
g_assert( str != NULL );
if (has_lpe)
repr->setAttribute("inkscape:original-d", str);
else
repr->setAttribute("d", str);
g_free(str);
if (!dc->white_item) {
// Attach repr
SPItem *item = SP_ITEM(desktop->currentLayer()->appendChildRepr(repr));
spdc_check_for_and_apply_waiting_LPE(dc, item, c);
if(previous_shape_type != BEND_CLIPBOARD){
dc->selection->set(repr);
}
Inkscape::GC::release(repr);
item->transform = SP_ITEM(desktop->currentLayer())->i2doc_affine().inverse();
item->updateRepr();
item->doWriteTransform(item->getRepr(), item->transform, NULL, true);
if(previous_shape_type == BEND_CLIPBOARD){
repr->parent()->removeChild(repr);
}
}
DocumentUndo::done(doc, SP_IS_PEN_CONTEXT(dc)? SP_VERB_CONTEXT_PEN : SP_VERB_CONTEXT_PENCIL,
_("Draw path"));
// When quickly drawing several subpaths with Shift, the next subpath may be finished and
// flushed before the selection_modified signal is fired by the previous change, which
// results in the tool losing all of the selected path's curve except that last subpath. To
// fix this, we force the selection_modified callback now, to make sure the tool's curve is
// in sync immediately.
spdc_selection_modified(desktop->getSelection(), 0, dc);
}
c->unref();
// Flush pending updates
doc->ensureUpToDate();
}