/*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* bulia byak <buliabyak@users.sf.net>
* Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
* Abhishek Sharma
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 2001-2006 authors
* Copyright (C) 2001 Ximian, Inc.
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "sp-item.h"
#include "svg/svg.h"
#include "print.h"
#include "display/drawing-item.h"
#include "attributes.h"
#include "document.h"
#include "uri.h"
#include "inkscape.h"
#include "desktop.h"
#include "style.h"
#include <glibmm/i18n.h>
#include "sp-root.h"
#include "sp-clippath.h"
#include "sp-mask.h"
#include "sp-rect.h"
#include "sp-use.h"
#include "sp-text.h"
#include "sp-textpath.h"
#include "sp-item-rm-unsatisfied-cns.h"
#include "sp-pattern.h"
#include "sp-paint-server.h"
#include "sp-switch.h"
#include "sp-guide-constraint.h"
#include "gradient-chemistry.h"
#include "preferences.h"
#include "conn-avoid-ref.h"
#include "conditions.h"
#include "sp-filter-reference.h"
#include "filter-chemistry.h"
#include "sp-guide.h"
#include "sp-title.h"
#include "sp-desc.h"
#include "util/find-last-if.h"
#include "util/reverse-list.h"
#include <2geom/rect.h>
#include <2geom/affine.h>
#include <2geom/transforms.h>
#include "xml/repr.h"
#include "extract-uri.h"
#include "helper/geom.h"
#include "live_effects/lpeobject.h"
#include "live_effects/effect.h"
#include "live_effects/lpeobject-reference.h"
#include "util/units.h"
#define noSP_ITEM_DEBUG_IDLE
static SPItemView* sp_item_view_list_remove(SPItemView *list,
SPItemView *view);
SPItem::SPItem() : SPObject() {
sensitive = TRUE;
bbox_valid = FALSE;
_highlightColor = NULL;
transform_center_x = 0;
transform_center_y = 0;
freeze_stroke_width = false;
_is_evaluated = true;
_evaluated_status = StatusUnknown;
transform = Geom::identity();
// doc_bbox = Geom::OptRect();
display = NULL;
clip_ref = new SPClipPathReference(this);
clip_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(clip_ref_changed), this));
mask_ref = new SPMaskReference(this);
mask_ref->changedSignal().connect(sigc::bind(sigc::ptr_fun(mask_ref_changed), this));
style->signal_fill_ps_changed.connect(sigc::bind(sigc::ptr_fun(fill_ps_ref_changed), this));
style->signal_stroke_ps_changed.connect(sigc::bind(sigc::ptr_fun(stroke_ps_ref_changed), this));
avoidRef = new SPAvoidRef(this);
}
SPItem::~SPItem() {
}
bool SPItem::isVisibleAndUnlocked() const {
return (!isHidden() && !isLocked());
}
bool SPItem::isVisibleAndUnlocked(unsigned display_key) const {
return (!isHidden(display_key) && !isLocked());
}
bool SPItem::isLocked() const {
for (SPObject const *o = this; o != NULL; o = o->parent) {
SPItem const *item = dynamic_cast<SPItem const *>(o);
if (item && !(item->sensitive)) {
return true;
}
}
return false;
}
void SPItem::setLocked(bool locked) {
setAttribute("sodipodi:insensitive",
( locked ? "1" : NULL ));
updateRepr();
}
bool SPItem::isHidden() const {
if (!isEvaluated())
return true;
return style->display.computed == SP_CSS_DISPLAY_NONE;
}
void SPItem::setHidden(bool hide) {
style->display.set = TRUE;
style->display.value = ( hide ? SP_CSS_DISPLAY_NONE : SP_CSS_DISPLAY_INLINE );
style->display.computed = style->display.value;
style->display.inherit = FALSE;
updateRepr();
}
bool SPItem::isHidden(unsigned display_key) const {
if (!isEvaluated())
return true;
for ( SPItemView *view(display) ; view ; view = view->next ) {
if ( view->key == display_key ) {
g_assert(view->arenaitem != NULL);
for ( Inkscape::DrawingItem *arenaitem = view->arenaitem ;
arenaitem ; arenaitem = arenaitem->parent() )
{
if (!arenaitem->visible()) {
return true;
}
}
return false;
}
}
return true;
}
bool SPItem::isHighlightSet() const {
return _highlightColor != NULL;
}
guint32 SPItem::highlight_color() const {
if (_highlightColor)
{
return atoi(_highlightColor) | 0x00000000;
}
else {
SPItem const *item = dynamic_cast<SPItem const *>(parent);
if (parent && (parent != this) && item)
{
return item->highlight_color();
}
else
{
static Inkscape::Preferences *prefs = Inkscape::Preferences::get();
return prefs->getInt("/tools/nodes/highlight_color", 0xff0000ff) | 0x00000000;
}
}
}
void SPItem::setEvaluated(bool evaluated) {
_is_evaluated = evaluated;
_evaluated_status = StatusSet;
}
void SPItem::resetEvaluated() {
if ( StatusCalculated == _evaluated_status ) {
_evaluated_status = StatusUnknown;
bool oldValue = _is_evaluated;
if ( oldValue != isEvaluated() ) {
requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG);
}
} if ( StatusSet == _evaluated_status ) {
SPSwitch *switchItem = dynamic_cast<SPSwitch *>(parent);
if (switchItem) {
switchItem->resetChildEvaluated();
}
}
}
bool SPItem::isEvaluated() const {
if ( StatusUnknown == _evaluated_status ) {
_is_evaluated = sp_item_evaluate(this);
_evaluated_status = StatusCalculated;
}
return _is_evaluated;
}
bool SPItem::isExplicitlyHidden() const
{
return (style->display.set
&& style->display.value == SP_CSS_DISPLAY_NONE);
}
void SPItem::setExplicitlyHidden(bool val) {
style->display.set = val;
style->display.value = ( val ? SP_CSS_DISPLAY_NONE : SP_CSS_DISPLAY_INLINE );
style->display.computed = style->display.value;
updateRepr();
}
void SPItem::setCenter(Geom::Point const &object_centre) {
document->ensureUpToDate();
// Copied from DocumentProperties::onDocUnitChange()
gdouble viewscale = 1.0;
Geom::Rect vb = this->document->getRoot()->viewBox;
if ( !vb.hasZeroArea() ) {
gdouble viewscale_w = this->document->getWidth().value("px") / vb.width();
gdouble viewscale_h = this->document->getHeight().value("px")/ vb.height();
viewscale = std::min(viewscale_h, viewscale_w);
}
// FIXME this is seriously wrong
Geom::OptRect bbox = desktopGeometricBounds();
if (bbox) {
// object centre is document coordinates (i.e. in pixels), so we need to consider the viewbox
// to translate to user units; transform_center_x/y is in user units
transform_center_x = (object_centre[Geom::X] - bbox->midpoint()[Geom::X])/viewscale;
if (Geom::are_near(transform_center_x, 0)) // rounding error
transform_center_x = 0;
transform_center_y = (object_centre[Geom::Y] - bbox->midpoint()[Geom::Y])/viewscale;
if (Geom::are_near(transform_center_y, 0)) // rounding error
transform_center_y = 0;
}
}
void
SPItem::unsetCenter() {
transform_center_x = 0;
transform_center_y = 0;
}
bool SPItem::isCenterSet() const {
return (transform_center_x != 0 || transform_center_y != 0);
}
// Get the item's transformation center in document coordinates (i.e. in pixels)
Geom::Point SPItem::getCenter() const {
document->ensureUpToDate();
// Copied from DocumentProperties::onDocUnitChange()
gdouble viewscale = 1.0;
Geom::Rect vb = this->document->getRoot()->viewBox;
if ( !vb.hasZeroArea() ) {
gdouble viewscale_w = this->document->getWidth().value("px") / vb.width();
gdouble viewscale_h = this->document->getHeight().value("px")/ vb.height();
viewscale = std::min(viewscale_h, viewscale_w);
}
// FIXME this is seriously wrong
Geom::OptRect bbox = desktopGeometricBounds();
if (bbox) {
// transform_center_x/y are stored in user units, so we have to take the viewbox into account to translate to document coordinates
return bbox->midpoint() + Geom::Point (transform_center_x*viewscale, transform_center_y*viewscale);
} else {
return Geom::Point(0, 0); // something's wrong!
}
}
void
SPItem::scaleCenter(Geom::Scale const &sc) {
transform_center_x *= sc[Geom::X];
transform_center_y *= sc[Geom::Y];
}
namespace {
bool is_item(SPObject const &object) {
return dynamic_cast<SPItem const *>(&object) != NULL;
}
}
void SPItem::raiseToTop() {
using Inkscape::Algorithms::find_last_if;
SPObject *topmost=find_last_if<SPObject::SiblingIterator>(
next, NULL, &is_item
);
if (topmost) {
getRepr()->parent()->changeOrder( getRepr(), topmost->getRepr() );
}
}
void SPItem::raiseOne() {
SPObject *next_higher=std::find_if<SPObject::SiblingIterator>(
next, NULL, &is_item
);
if (next_higher) {
Inkscape::XML::Node *ref = next_higher->getRepr();
getRepr()->parent()->changeOrder(getRepr(), ref);
}
}
void SPItem::lowerOne() {
using Inkscape::Util::MutableList;
using Inkscape::Util::reverse_list;
MutableList<SPObject &> next_lower=std::find_if(
reverse_list<SPObject::SiblingIterator>(
parent->firstChild(), this
),
MutableList<SPObject &>(),
&is_item
);
if (next_lower) {
++next_lower;
Inkscape::XML::Node *ref = ( next_lower ? next_lower->getRepr() : NULL );
getRepr()->parent()->changeOrder(getRepr(), ref);
}
}
void SPItem::lowerToBottom() {
using Inkscape::Algorithms::find_last_if;
using Inkscape::Util::MutableList;
using Inkscape::Util::reverse_list;
SPObject * bottom=parent->firstChild();
while(dynamic_cast<SPObject*>(bottom) && dynamic_cast<SPObject*>(bottom->next) && bottom!=this && !is_item(*(bottom->next))) bottom=bottom->next;
if (bottom && bottom != this) {
Inkscape::XML::Node *ref = bottom->getRepr() ;
parent->getRepr()->changeOrder(getRepr(), ref);
}
}
void SPItem::moveTo(SPItem *target, bool intoafter) {
Inkscape::XML::Node *target_ref = ( target ? target->getRepr() : NULL );
Inkscape::XML::Node *our_ref = getRepr();
if (!target_ref) {
// Assume move to the "first" in the top node, find the top node
intoafter = false;
SPObject* bottom = this->document->getObjectByRepr(our_ref->root())->firstChild();
while(!dynamic_cast<SPItem*>(bottom->next)){
bottom=bottom->next;
}
target_ref = bottom->getRepr();
}
if (target_ref == our_ref) {
// Move to ourself ignore
return;
}
if (intoafter) {
// Move this inside of the target at the end
our_ref->parent()->removeChild(our_ref);
target_ref->addChild(our_ref, NULL);
} else if (target_ref->parent() != our_ref->parent()) {
// Change in parent, need to remove and add
our_ref->parent()->removeChild(our_ref);
target_ref->parent()->addChild(our_ref, target_ref);
} else {
// Same parent, just move
our_ref->parent()->changeOrder(our_ref, target_ref);
}
}
void SPItem::build(SPDocument *document, Inkscape::XML::Node *repr) {
SPItem* object = this;
object->readAttr( "style" );
object->readAttr( "transform" );
object->readAttr( "clip-path" );
object->readAttr( "mask" );
object->readAttr( "sodipodi:insensitive" );
object->readAttr( "sodipodi:nonprintable" );
object->readAttr( "inkscape:transform-center-x" );
object->readAttr( "inkscape:transform-center-y" );
object->readAttr( "inkscape:connector-avoid" );
object->readAttr( "inkscape:connection-points" );
object->readAttr( "inkscape:highlight-color" );
SPObject::build(document, repr);
}
void SPItem::release() {
SPItem* item = this;
// Note: do this here before the clip_ref is deleted, since calling
// ensureUpToDate() for triggered routing may reference
// the deleted clip_ref.
delete item->avoidRef;
// we do NOT disconnect from the changed signal of those before deletion.
// The destructor will call *_ref_changed with NULL as the new value,
// which will cause the hide() function to be called.
delete item->clip_ref;
delete item->mask_ref;
SPObject::release();
SPPaintServer *fill_ps = style->getFillPaintServer();
SPPaintServer *stroke_ps = style->getStrokePaintServer();
while (item->display) {
if (fill_ps) {
fill_ps->hide(item->display->arenaitem->key());
}
if (stroke_ps) {
stroke_ps->hide(item->display->arenaitem->key());
}
item->display = sp_item_view_list_remove(item->display, item->display);
}
//item->_transformed_signal.~signal();
}
void SPItem::set(unsigned int key, gchar const* value) {
SPItem *item = this;
SPItem* object = item;
switch (key) {
case SP_ATTR_TRANSFORM: {
Geom::Affine t;
if (value && sp_svg_transform_read(value, &t)) {
item->set_item_transform(t);
} else {
item->set_item_transform(Geom::identity());
}
break;
}
case SP_PROP_CLIP_PATH: {
gchar *uri = extract_uri(value);
if (uri) {
try {
item->clip_ref->attach(Inkscape::URI(uri));
} catch (Inkscape::BadURIException &e) {
g_warning("%s", e.what());
item->clip_ref->detach();
}
g_free(uri);
} else {
item->clip_ref->detach();
}
break;
}
case SP_PROP_MASK: {
gchar *uri = extract_uri(value);
if (uri) {
try {
item->mask_ref->attach(Inkscape::URI(uri));
} catch (Inkscape::BadURIException &e) {
g_warning("%s", e.what());
item->mask_ref->detach();
}
g_free(uri);
} else {
item->mask_ref->detach();
}
break;
}
case SP_ATTR_SODIPODI_INSENSITIVE:
{
item->sensitive = !value;
for (SPItemView *v = item->display; v != NULL; v = v->next) {
v->arenaitem->setSensitive(item->sensitive);
}
break;
}
case SP_ATTR_INKSCAPE_HIGHLIGHT_COLOR:
{
g_free(item->_highlightColor);
if (value) {
item->_highlightColor = g_strdup(value);
} else {
item->_highlightColor = NULL;
}
break;
}
case SP_ATTR_CONNECTOR_AVOID:
item->avoidRef->setAvoid(value);
break;
case SP_ATTR_TRANSFORM_CENTER_X:
if (value) {
item->transform_center_x = g_strtod(value, NULL);
} else {
item->transform_center_x = 0;
}
object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_ATTR_TRANSFORM_CENTER_Y:
if (value) {
item->transform_center_y = g_strtod(value, NULL);
} else {
item->transform_center_y = 0;
}
object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
break;
case SP_PROP_SYSTEM_LANGUAGE:
case SP_PROP_REQUIRED_FEATURES:
case SP_PROP_REQUIRED_EXTENSIONS:
{
item->resetEvaluated();
// pass to default handler
}
default:
if (SP_ATTRIBUTE_IS_CSS(key)) {
style->readFromObject( this );
object->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG);
} else {
SPObject::set(key, value);
}
break;
}
}
void SPItem::clip_ref_changed(SPObject *old_clip, SPObject *clip, SPItem *item)
{
item->bbox_valid = FALSE; // force a re-evaluation
if (old_clip) {
SPItemView *v;
/* Hide clippath */
for (v = item->display; v != NULL; v = v->next) {
SPClipPath *oldPath = dynamic_cast<SPClipPath *>(old_clip);
g_assert(oldPath != NULL);
oldPath->hide(v->arenaitem->key());
}
}
SPClipPath *clipPath = dynamic_cast<SPClipPath *>(clip);
if (clipPath) {
Geom::OptRect bbox = item->geometricBounds();
for (SPItemView *v = item->display; v != NULL; v = v->next) {
if (!v->arenaitem->key()) {
v->arenaitem->setKey(SPItem::display_key_new(3));
}
Inkscape::DrawingItem *ai = clipPath->show(
v->arenaitem->drawing(),
v->arenaitem->key());
v->arenaitem->setClip(ai);
clipPath->setBBox(v->arenaitem->key(), bbox);
clip->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
}
item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
void SPItem::mask_ref_changed(SPObject *old_mask, SPObject *mask, SPItem *item)
{
if (old_mask) {
/* Hide mask */
for (SPItemView *v = item->display; v != NULL; v = v->next) {
SPMask *maskItem = dynamic_cast<SPMask *>(old_mask);
g_assert(maskItem != NULL);
maskItem->sp_mask_hide(v->arenaitem->key());
}
}
SPMask *maskItem = dynamic_cast<SPMask *>(mask);
if (maskItem) {
Geom::OptRect bbox = item->geometricBounds();
for (SPItemView *v = item->display; v != NULL; v = v->next) {
if (!v->arenaitem->key()) {
v->arenaitem->setKey(SPItem::display_key_new(3));
}
Inkscape::DrawingItem *ai = maskItem->sp_mask_show(
v->arenaitem->drawing(),
v->arenaitem->key());
v->arenaitem->setMask(ai);
maskItem->sp_mask_set_bbox(v->arenaitem->key(), bbox);
mask->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
}
}
void SPItem::fill_ps_ref_changed(SPObject *old_ps, SPObject *ps, SPItem *item) {
SPPaintServer *old_fill_ps = dynamic_cast<SPPaintServer *>(old_ps);
if (old_fill_ps) {
for (SPItemView *v =item->display; v != NULL; v = v->next) {
old_fill_ps->hide(v->arenaitem->key());
}
}
SPPaintServer *new_fill_ps = dynamic_cast<SPPaintServer *>(ps);
if (new_fill_ps) {
Geom::OptRect bbox = item->geometricBounds();
for (SPItemView *v = item->display; v != NULL; v = v->next) {
if (!v->arenaitem->key()) {
v->arenaitem->setKey(SPItem::display_key_new(3));
}
Inkscape::DrawingPattern *pi = new_fill_ps->show(
v->arenaitem->drawing(), v->arenaitem->key(), bbox);
v->arenaitem->setFillPattern(pi);
if (pi) {
new_fill_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
}
}
}
void SPItem::stroke_ps_ref_changed(SPObject *old_ps, SPObject *ps, SPItem *item) {
SPPaintServer *old_stroke_ps = dynamic_cast<SPPaintServer *>(old_ps);
if (old_stroke_ps) {
for (SPItemView *v =item->display; v != NULL; v = v->next) {
old_stroke_ps->hide(v->arenaitem->key());
}
}
SPPaintServer *new_stroke_ps = dynamic_cast<SPPaintServer *>(ps);
if (new_stroke_ps) {
Geom::OptRect bbox = item->geometricBounds();
for (SPItemView *v = item->display; v != NULL; v = v->next) {
if (!v->arenaitem->key()) {
v->arenaitem->setKey(SPItem::display_key_new(3));
}
Inkscape::DrawingPattern *pi = new_stroke_ps->show(
v->arenaitem->drawing(), v->arenaitem->key(), bbox);
v->arenaitem->setStrokePattern(pi);
if (pi) {
new_stroke_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
}
}
}
void SPItem::update(SPCtx* ctx, guint flags) {
SPItemCtx const *ictx = reinterpret_cast<SPItemCtx const *>(ctx);
// Any of the modifications defined in sp-object.h might change bbox,
// so we invalidate it unconditionally
bbox_valid = FALSE;
viewport = ictx->viewport; // Cache viewport
if (flags & (SP_OBJECT_CHILD_MODIFIED_FLAG |
SP_OBJECT_MODIFIED_FLAG |
SP_OBJECT_STYLE_MODIFIED_FLAG) ) {
if (flags & SP_OBJECT_MODIFIED_FLAG) {
for (SPItemView *v = display; v != NULL; v = v->next) {
v->arenaitem->setTransform(transform);
}
}
SPClipPath *clip_path = clip_ref ? clip_ref->getObject() : NULL;
SPMask *mask = mask_ref ? mask_ref->getObject() : NULL;
if ( clip_path || mask ) {
Geom::OptRect bbox = geometricBounds();
if (clip_path) {
for (SPItemView *v = display; v != NULL; v = v->next) {
clip_path->setBBox(v->arenaitem->key(), bbox);
}
}
if (mask) {
for (SPItemView *v = display; v != NULL; v = v->next) {
mask->sp_mask_set_bbox(v->arenaitem->key(), bbox);
}
}
}
if (flags & SP_OBJECT_STYLE_MODIFIED_FLAG) {
for (SPItemView *v = display; v != NULL; v = v->next) {
v->arenaitem->setOpacity(SP_SCALE24_TO_FLOAT(style->opacity.value));
v->arenaitem->setAntialiasing(style->shape_rendering.computed != SP_CSS_SHAPE_RENDERING_CRISPEDGES);
v->arenaitem->setIsolation( style->isolation.value );
v->arenaitem->setBlendMode( style->mix_blend_mode.value );
v->arenaitem->setVisible(!isHidden());
}
}
}
/* Update bounding box in user space, used for filter and objectBoundingBox units */
if (style->filter.set && display) {
Geom::OptRect item_bbox = geometricBounds();
SPItemView *itemview = display;
do {
if (itemview->arenaitem)
itemview->arenaitem->setItemBounds(item_bbox);
} while ( (itemview = itemview->next) );
}
// Update libavoid with item geometry (for connector routing).
if (avoidRef)
avoidRef->handleSettingChange();
}
void SPItem::modified(unsigned int /*flags*/)
{
}
Inkscape::XML::Node* SPItem::write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) {
SPItem *item = this;
SPItem* object = item;
// in the case of SP_OBJECT_WRITE_BUILD, the item should always be newly created,
// so we need to add any children from the underlying object to the new repr
if (flags & SP_OBJECT_WRITE_BUILD) {
GSList *l = NULL;
for (SPObject *child = object->firstChild(); child != NULL; child = child->next ) {
if (dynamic_cast<SPTitle *>(child) || dynamic_cast<SPDesc *>(child)) {
Inkscape::XML::Node *crepr = child->updateRepr(xml_doc, NULL, flags);
if (crepr) {
l = g_slist_prepend (l, crepr);
}
}
}
while (l) {
repr->addChild((Inkscape::XML::Node *) l->data, NULL);
Inkscape::GC::release((Inkscape::XML::Node *) l->data);
l = g_slist_remove (l, l->data);
}
} else {
for (SPObject *child = object->firstChild() ; child != NULL; child = child->next ) {
if (dynamic_cast<SPTitle *>(child) || dynamic_cast<SPDesc *>(child)) {
child->updateRepr(flags);
}
}
}
gchar *c = sp_svg_transform_write(item->transform);
repr->setAttribute("transform", c);
g_free(c);
if (flags & SP_OBJECT_WRITE_EXT) {
repr->setAttribute("sodipodi:insensitive", ( item->sensitive ? NULL : "true" ));
if (item->transform_center_x != 0)
sp_repr_set_svg_double (repr, "inkscape:transform-center-x", item->transform_center_x);
else
repr->setAttribute ("inkscape:transform-center-x", NULL);
if (item->transform_center_y != 0)
sp_repr_set_svg_double (repr, "inkscape:transform-center-y", item->transform_center_y);
else
repr->setAttribute ("inkscape:transform-center-y", NULL);
}
if (item->clip_ref){
if (item->clip_ref->getObject()) {
gchar *uri = item->clip_ref->getURI()->toString();
const gchar *value = g_strdup_printf ("url(%s)", uri);
repr->setAttribute ("clip-path", value);
g_free ((void *) value);
g_free ((void *) uri);
}
}
if (item->mask_ref){
if (item->mask_ref->getObject()) {
gchar *uri = item->mask_ref->getURI()->toString();
const gchar *value = g_strdup_printf ("url(%s)", uri);
repr->setAttribute ("mask", value);
g_free ((void *) value);
g_free ((void *) uri);
}
}
if (item->_highlightColor){
repr->setAttribute("inkscape:highlight-color", item->_highlightColor);
} else {
repr->setAttribute("inkscape:highlight-color", NULL);
}
SPObject::write(xml_doc, repr, flags);
return repr;
}
// CPPIFY: make pure virtual
Geom::OptRect SPItem::bbox(Geom::Affine const & /*transform*/, SPItem::BBoxType /*type*/) const {
//throw;
return Geom::OptRect();
}
Geom::OptRect SPItem::geometricBounds(Geom::Affine const &transform) const
{
Geom::OptRect bbox;
// call the subclass method
// CPPIFY
//bbox = this->bbox(transform, SPItem::GEOMETRIC_BBOX);
bbox = const_cast<SPItem*>(this)->bbox(transform, SPItem::GEOMETRIC_BBOX);
return bbox;
}
Geom::OptRect SPItem::visualBounds(Geom::Affine const &transform) const
{
using Geom::X;
using Geom::Y;
Geom::OptRect bbox;
SPFilter *filter = (style && style->filter.href) ? dynamic_cast<SPFilter *>(style->getFilter()) : NULL;
if ( filter ) {
// call the subclass method
// CPPIFY
//bbox = this->bbox(Geom::identity(), SPItem::VISUAL_BBOX);
bbox = const_cast<SPItem*>(this)->bbox(Geom::identity(), SPItem::GEOMETRIC_BBOX); // see LP Bug 1229971
// default filer area per the SVG spec:
SVGLength x, y, w, h;
Geom::Point minp, maxp;
x.set(SVGLength::PERCENT, -0.10, 0);
y.set(SVGLength::PERCENT, -0.10, 0);
w.set(SVGLength::PERCENT, 1.20, 0);
h.set(SVGLength::PERCENT, 1.20, 0);
// if area is explicitly set, override:
if (filter->x._set)
x = filter->x;
if (filter->y._set)
y = filter->y;
if (filter->width._set)
w = filter->width;
if (filter->height._set)
h = filter->height;
double len_x = bbox ? bbox->width() : 0;
double len_y = bbox ? bbox->height() : 0;
x.update(12, 6, len_x);
y.update(12, 6, len_y);
w.update(12, 6, len_x);
h.update(12, 6, len_y);
if (filter->filterUnits == SP_FILTER_UNITS_OBJECTBOUNDINGBOX && bbox) {
minp[X] = bbox->left() + x.computed * (x.unit == SVGLength::PERCENT ? 1.0 : len_x);
maxp[X] = minp[X] + w.computed * (w.unit == SVGLength::PERCENT ? 1.0 : len_x);
minp[Y] = bbox->top() + y.computed * (y.unit == SVGLength::PERCENT ? 1.0 : len_y);
maxp[Y] = minp[Y] + h.computed * (h.unit == SVGLength::PERCENT ? 1.0 : len_y);
} else if (filter->filterUnits == SP_FILTER_UNITS_USERSPACEONUSE) {
minp[X] = x.computed;
maxp[X] = minp[X] + w.computed;
minp[Y] = y.computed;
maxp[Y] = minp[Y] + h.computed;
}
bbox = Geom::OptRect(minp, maxp);
*bbox *= transform;
} else {
// call the subclass method
// CPPIFY
//bbox = this->bbox(transform, SPItem::VISUAL_BBOX);
bbox = const_cast<SPItem*>(this)->bbox(transform, SPItem::VISUAL_BBOX);
}
if (clip_ref->getObject()) {
SPItem *ownerItem = dynamic_cast<SPItem *>(clip_ref->getOwner());
g_assert(ownerItem != NULL);
ownerItem->bbox_valid = FALSE; // LP Bug 1349018
bbox.intersectWith(clip_ref->getObject()->geometricBounds(transform));
}
return bbox;
}
Geom::OptRect SPItem::bounds(BBoxType type, Geom::Affine const &transform) const
{
if (type == GEOMETRIC_BBOX) {
return geometricBounds(transform);
} else {
return visualBounds(transform);
}
}
Geom::OptRect SPItem::documentGeometricBounds() const
{
return geometricBounds(i2doc_affine());
}
Geom::OptRect SPItem::documentVisualBounds() const
{
if (!bbox_valid) {
doc_bbox = visualBounds(i2doc_affine());
bbox_valid = true;
}
return doc_bbox;
}
Geom::OptRect SPItem::documentBounds(BBoxType type) const
{
if (type == GEOMETRIC_BBOX) {
return documentGeometricBounds();
} else {
return documentVisualBounds();
}
}
Geom::OptRect SPItem::desktopGeometricBounds() const
{
return geometricBounds(i2dt_affine());
}
Geom::OptRect SPItem::desktopVisualBounds() const
{
/// @fixme hardcoded desktop transform
Geom::Affine m = Geom::Scale(1, -1) * Geom::Translate(0, document->getHeight().value("px"));
Geom::OptRect ret = documentVisualBounds();
if (ret) *ret *= m;
return ret;
}
Geom::OptRect SPItem::desktopPreferredBounds() const
{
if (Inkscape::Preferences::get()->getInt("/tools/bounding_box") == 0) {
return desktopBounds(SPItem::VISUAL_BBOX);
} else {
return desktopBounds(SPItem::GEOMETRIC_BBOX);
}
}
Geom::OptRect SPItem::desktopBounds(BBoxType type) const
{
if (type == GEOMETRIC_BBOX) {
return desktopGeometricBounds();
} else {
return desktopVisualBounds();
}
}
unsigned int SPItem::pos_in_parent() const {
g_assert(parent != NULL);
g_assert(SP_IS_OBJECT(parent));
unsigned int pos = 0;
for ( SPObject *iter = parent->firstChild() ; iter ; iter = iter->next) {
if (iter == this) {
return pos;
}
if (dynamic_cast<SPItem *>(iter)) {
pos++;
}
}
g_assert_not_reached();
return 0;
}
// CPPIFY: make pure virtual, see below!
void SPItem::snappoints(std::vector<Inkscape::SnapCandidatePoint> & /*p*/, Inkscape::SnapPreferences const */*snapprefs*/) const {
//throw;
}
/* This will only be called if the derived class doesn't override this.
* see for example sp_genericellipse_snappoints in sp-ellipse.cpp
* We don't know what shape we could be dealing with here, so we'll just
* do nothing
*/
void SPItem::getSnappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const
{
// Get the snappoints of the item
// CPPIFY
//this->snappoints(p, snapprefs);
const_cast<SPItem*>(this)->snappoints(p, snapprefs);
// Get the snappoints at the item's center
if (snapprefs != NULL && snapprefs->isTargetSnappable(Inkscape::SNAPTARGET_ROTATION_CENTER)) {
p.push_back(Inkscape::SnapCandidatePoint(getCenter(), Inkscape::SNAPSOURCE_ROTATION_CENTER, Inkscape::SNAPTARGET_ROTATION_CENTER));
}
// Get the snappoints of clipping paths and mask, if any
std::list<SPObject const *> clips_and_masks;
clips_and_masks.push_back(clip_ref->getObject());
clips_and_masks.push_back(mask_ref->getObject());
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
for (std::list<SPObject const *>::const_iterator o = clips_and_masks.begin(); o != clips_and_masks.end(); ++o) {
if (*o) {
// obj is a group object, the children are the actual clippers
for (SPObject *child = (*o)->children ; child ; child = child->next) {
SPItem *item = dynamic_cast<SPItem *>(child);
if (item) {
std::vector<Inkscape::SnapCandidatePoint> p_clip_or_mask;
// Please note the recursive call here!
item->getSnappoints(p_clip_or_mask, snapprefs);
// Take into account the transformation of the item being clipped or masked
for (std::vector<Inkscape::SnapCandidatePoint>::const_iterator p_orig = p_clip_or_mask.begin(); p_orig != p_clip_or_mask.end(); ++p_orig) {
// All snappoints are in desktop coordinates, but the item's transformation is
// in document coordinates. Hence the awkward construction below
Geom::Point pt = desktop->dt2doc((*p_orig).getPoint()) * i2dt_affine();
p.push_back(Inkscape::SnapCandidatePoint(pt, (*p_orig).getSourceType(), (*p_orig).getTargetType()));
}
}
}
}
}
}
// CPPIFY: make pure virtual
void SPItem::print(SPPrintContext* /*ctx*/) {
//throw;
}
void SPItem::invoke_print(SPPrintContext *ctx)
{
if ( !isHidden() ) {
if (!transform.isIdentity() || style->opacity.value != SP_SCALE24_MAX) {
sp_print_bind(ctx, transform, SP_SCALE24_TO_FLOAT(style->opacity.value));
this->print(ctx);
sp_print_release(ctx);
} else {
this->print(ctx);
}
}
}
const char* SPItem::displayName() const {
return _("Object");
}
gchar* SPItem::description() const {
return g_strdup("");
}
gchar *SPItem::detailedDescription() const {
gchar* s = g_strdup_printf("<b>%s</b> %s",
this->displayName(), this->description());
if (s && clip_ref->getObject()) {
gchar *snew = g_strdup_printf (_("%s; <i>clipped</i>"), s);
g_free (s);
s = snew;
}
if (s && mask_ref->getObject()) {
gchar *snew = g_strdup_printf (_("%s; <i>masked</i>"), s);
g_free (s);
s = snew;
}
if ( style && style->filter.href && style->filter.href->getObject() ) {
const gchar *label = style->filter.href->getObject()->label();
gchar *snew = 0;
if (label) {
snew = g_strdup_printf (_("%s; <i>filtered (%s)</i>"), s, _(label));
} else {
snew = g_strdup_printf (_("%s; <i>filtered</i>"), s);
}
g_free (s);
s = snew;
}
return s;
}
bool SPItem::isFiltered() const {
return (style && style->filter.href && style->filter.href->getObject());
}
unsigned SPItem::display_key_new(unsigned numkeys)
{
static unsigned dkey = 0;
dkey += numkeys;
return dkey - numkeys;
}
// CPPIFY: make pure virtual
Inkscape::DrawingItem* SPItem::show(Inkscape::Drawing& /*drawing*/, unsigned int /*key*/, unsigned int /*flags*/) {
//throw;
return 0;
}
Inkscape::DrawingItem *SPItem::invoke_show(Inkscape::Drawing &drawing, unsigned key, unsigned flags)
{
Inkscape::DrawingItem *ai = NULL;
ai = this->show(drawing, key, flags);
if (ai != NULL) {
Geom::OptRect item_bbox = geometricBounds();
display = sp_item_view_new_prepend(display, this, flags, key, ai);
ai->setTransform(transform);
ai->setOpacity(SP_SCALE24_TO_FLOAT(style->opacity.value));
ai->setIsolation( style->isolation.value );
ai->setBlendMode( style->mix_blend_mode.value );
//ai->setCompositeOperator( style->composite_op.value );
ai->setVisible(!isHidden());
ai->setSensitive(sensitive);
if (clip_ref->getObject()) {
SPClipPath *cp = clip_ref->getObject();
if (!display->arenaitem->key()) {
display->arenaitem->setKey(display_key_new(3));
}
int clip_key = display->arenaitem->key();
// Show and set clip
Inkscape::DrawingItem *ac = cp->show(drawing, clip_key);
ai->setClip(ac);
// Update bbox, in case the clip uses bbox units
cp->setBBox(clip_key, item_bbox);
cp->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
if (mask_ref->getObject()) {
SPMask *mask = mask_ref->getObject();
if (!display->arenaitem->key()) {
display->arenaitem->setKey(display_key_new(3));
}
int mask_key = display->arenaitem->key();
// Show and set mask
Inkscape::DrawingItem *ac = mask->sp_mask_show(drawing, mask_key);
ai->setMask(ac);
// Update bbox, in case the mask uses bbox units
mask->sp_mask_set_bbox(mask_key, item_bbox);
mask->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
SPPaintServer *fill_ps = style->getFillPaintServer();
if (fill_ps) {
if (!display->arenaitem->key()) {
display->arenaitem->setKey(display_key_new(3));
}
int fill_key = display->arenaitem->key();
Inkscape::DrawingPattern *ap = fill_ps->show(drawing, fill_key, item_bbox);
ai->setFillPattern(ap);
if (ap) {
fill_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
}
SPPaintServer *stroke_ps = style->getStrokePaintServer();
if (stroke_ps) {
if (!display->arenaitem->key()) {
display->arenaitem->setKey(display_key_new(3));
}
int stroke_key = display->arenaitem->key();
Inkscape::DrawingPattern *ap = stroke_ps->show(drawing, stroke_key, item_bbox);
ai->setStrokePattern(ap);
if (ap) {
stroke_ps->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG);
}
}
ai->setData(this);
ai->setItemBounds(geometricBounds());
}
return ai;
}
// CPPIFY: make pure virtual
void SPItem::hide(unsigned int /*key*/) {
//throw;
}
void SPItem::invoke_hide(unsigned key)
{
this->hide(key);
SPItemView *ref = NULL;
SPItemView *v = display;
while (v != NULL) {
SPItemView *next = v->next;
if (v->key == key) {
if (clip_ref->getObject()) {
(clip_ref->getObject())->hide(v->arenaitem->key());
v->arenaitem->setClip(NULL);
}
if (mask_ref->getObject()) {
mask_ref->getObject()->sp_mask_hide(v->arenaitem->key());
v->arenaitem->setMask(NULL);
}
SPPaintServer *fill_ps = style->getFillPaintServer();
if (fill_ps) {
fill_ps->hide(v->arenaitem->key());
}
SPPaintServer *stroke_ps = style->getStrokePaintServer();
if (stroke_ps) {
stroke_ps->hide(v->arenaitem->key());
}
if (!ref) {
display = v->next;
} else {
ref->next = v->next;
}
delete v->arenaitem;
g_free(v);
} else {
ref = v;
}
v = next;
}
}
// Adjusters
void SPItem::adjust_pattern(Geom::Affine const &postmul, bool set, PatternTransform pt)
{
bool fill = (pt == TRANSFORM_FILL || pt == TRANSFORM_BOTH);
if (fill && style && (style->fill.isPaintserver())) {
SPObject *server = style->getFillPaintServer();
SPPattern *serverPatt = dynamic_cast<SPPattern *>(server);
if ( serverPatt ) {
SPPattern *pattern = serverPatt->clone_if_necessary(this, "fill");
pattern->transform_multiply(postmul, set);
}
}
bool stroke = (pt == TRANSFORM_STROKE || pt == TRANSFORM_BOTH);
if (stroke && style && (style->stroke.isPaintserver())) {
SPObject *server = style->getStrokePaintServer();
SPPattern *serverPatt = dynamic_cast<SPPattern *>(server);
if ( serverPatt ) {
SPPattern *pattern = serverPatt->clone_if_necessary(this, "stroke");
pattern->transform_multiply(postmul, set);
}
}
}
void SPItem::adjust_gradient( Geom::Affine const &postmul, bool set )
{
if ( style && style->fill.isPaintserver() ) {
SPPaintServer *server = style->getFillPaintServer();
SPGradient *serverGrad = dynamic_cast<SPGradient *>(server);
if ( serverGrad ) {
/**
* \note Bbox units for a gradient are generally a bad idea because
* with them, you cannot preserve the relative position of the
* object and its gradient after rotation or skew. So now we
* convert them to userspace units which are easy to keep in sync
* just by adding the object's transform to gradientTransform.
* \todo FIXME: convert back to bbox units after transforming with
* the item, so as to preserve the original units.
*/
SPGradient *gradient = sp_gradient_convert_to_userspace( serverGrad, this, "fill" );
sp_gradient_transform_multiply( gradient, postmul, set );
}
}
if ( style && style->stroke.isPaintserver() ) {
SPPaintServer *server = style->getStrokePaintServer();
SPGradient *serverGrad = dynamic_cast<SPGradient *>(server);
if ( serverGrad ) {
SPGradient *gradient = sp_gradient_convert_to_userspace( serverGrad, this, "stroke");
sp_gradient_transform_multiply( gradient, postmul, set );
}
}
}
void SPItem::adjust_stroke( gdouble ex )
{
if (freeze_stroke_width) {
return;
}
SPStyle *style = this->style;
if (style && !Geom::are_near(ex, 1.0, Geom::EPSILON)) {
style->stroke_width.computed *= ex;
style->stroke_width.set = TRUE;
if ( !style->stroke_dasharray.values.empty() ) {
for (unsigned i = 0; i < style->stroke_dasharray.values.size(); i++) {
style->stroke_dasharray.values[i] *= ex;
}
style->stroke_dashoffset.value *= ex;
}
updateRepr();
}
}
/**
* Find out the inverse of previous transform of an item (from its repr)
*/
static Geom::Affine sp_item_transform_repr (SPItem *item)
{
Geom::Affine t_old(Geom::identity());
gchar const *t_attr = item->getRepr()->attribute("transform");
if (t_attr) {
Geom::Affine t;
if (sp_svg_transform_read(t_attr, &t)) {
t_old = t;
}
}
return t_old;
}
void SPItem::adjust_stroke_width_recursive(double expansion)
{
adjust_stroke (expansion);
// A clone's child is the ghost of its original - we must not touch it, skip recursion
if ( !dynamic_cast<SPUse *>(this) ) {
for ( SPObject *o = children; o; o = o->getNext() ) {
SPItem *item = dynamic_cast<SPItem *>(o);
if (item) {
item->adjust_stroke_width_recursive(expansion);
}
}
}
}
void SPItem::freeze_stroke_width_recursive(bool freeze)
{
freeze_stroke_width = freeze;
// A clone's child is the ghost of its original - we must not touch it, skip recursion
if ( !dynamic_cast<SPUse *>(this) ) {
for ( SPObject *o = children; o; o = o->getNext() ) {
SPItem *item = dynamic_cast<SPItem *>(o);
if (item) {
item->freeze_stroke_width_recursive(freeze);
}
}
}
}
/**
* Recursively adjust rx and ry of rects.
*/
static void
sp_item_adjust_rects_recursive(SPItem *item, Geom::Affine advertized_transform)
{
SPRect *rect = dynamic_cast<SPRect *>(item);
if (rect) {
rect->compensateRxRy(advertized_transform);
}
for (SPObject *o = item->children; o != NULL; o = o->next) {
SPItem *item = dynamic_cast<SPItem *>(o);
if (item) {
sp_item_adjust_rects_recursive(item, advertized_transform);
}
}
}
void SPItem::adjust_paint_recursive (Geom::Affine advertized_transform, Geom::Affine t_ancestors, bool is_pattern)
{
// _Before_ full pattern/gradient transform: t_paint * t_item * t_ancestors
// _After_ full pattern/gradient transform: t_paint_new * t_item * t_ancestors * advertised_transform
// By equating these two expressions we get t_paint_new = t_paint * paint_delta, where:
Geom::Affine t_item = sp_item_transform_repr (this);
Geom::Affine paint_delta = t_item * t_ancestors * advertized_transform * t_ancestors.inverse() * t_item.inverse();
// Within text, we do not fork gradients, and so must not recurse to avoid double compensation;
// also we do not recurse into clones, because a clone's child is the ghost of its original -
// we must not touch it
if (!(this && (dynamic_cast<SPText *>(this) || dynamic_cast<SPUse *>(this)))) {
for (SPObject *o = children; o != NULL; o = o->next) {
SPItem *item = dynamic_cast<SPItem *>(o);
if (item) {
// At the level of the transformed item, t_ancestors is identity;
// below it, it is the accmmulated chain of transforms from this level to the top level
item->adjust_paint_recursive (advertized_transform, t_item * t_ancestors, is_pattern);
}
}
}
// We recursed into children first, and are now adjusting this object second;
// this is so that adjustments in a tree are done from leaves up to the root,
// and paintservers on leaves inheriting their values from ancestors could adjust themselves properly
// before ancestors themselves are adjusted, probably differently (bug 1286535)
if (is_pattern) {
adjust_pattern(paint_delta);
} else {
adjust_gradient(paint_delta);
}
}
void SPItem::adjust_livepatheffect (Geom::Affine const &postmul, bool set)
{
SPLPEItem *lpeitem = dynamic_cast<SPLPEItem *>(this);
if ( lpeitem && lpeitem->hasPathEffect() ) {
lpeitem->forkPathEffectsIfNecessary();
// now that all LPEs are forked_if_necessary, we can apply the transform
PathEffectList effect_list = lpeitem->getEffectList();
for (PathEffectList::iterator it = effect_list.begin(); it != effect_list.end(); ++it)
{
LivePathEffectObject *lpeobj = (*it)->lpeobject;
if (lpeobj && lpeobj->get_lpe()) {
Inkscape::LivePathEffect::Effect * effect = lpeobj->get_lpe();
effect->transform_multiply(postmul, set);
}
}
}
}
// CPPIFY:: make pure virtual?
// Not all SPItems must necessarily have a set transform method!
Geom::Affine SPItem::set_transform(Geom::Affine const &transform) {
// throw;
return transform;
}
void SPItem::doWriteTransform(Inkscape::XML::Node *repr, Geom::Affine const &transform, Geom::Affine const *adv, bool compensate)
{
g_return_if_fail(repr != NULL);
// calculate the relative transform, if not given by the adv attribute
Geom::Affine advertized_transform;
if (adv != NULL) {
advertized_transform = *adv;
} else {
advertized_transform = sp_item_transform_repr (this).inverse() * transform;
}
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
if (compensate) {
// recursively compensating for stroke scaling will not always work, because it can be scaled to zero or infinite
// from which we cannot ever recover by applying an inverse scale; therefore we temporarily block any changes
// to the strokewidth in such a case instead, and unblock these after the transformation
// (as reported in https://bugs.launchpad.net/inkscape/+bug/825840/comments/4)
if (!prefs->getBool("/options/transform/stroke", true)) {
double const expansion = 1. / advertized_transform.descrim();
if (expansion < 1e-9 || expansion > 1e9) {
freeze_stroke_width_recursive(true);
// This will only work if the item has a set_transform method (in this method adjust_stroke() will be called)
// We will still have to apply the inverse scaling to other items, not having a set_transform method
// such as ellipses and stars
// PS: We cannot use this freeze_stroke_width_recursive() trick in all circumstances. For example, it will
// break pasting objects within their group (because in such a case the transformation of the group will affect
// the strokewidth, and has to be compensated for. See https://bugs.launchpad.net/inkscape/+bug/959223/comments/10)
} else {
adjust_stroke_width_recursive(expansion);
}
}
// recursively compensate rx/ry of a rect if requested
if (!prefs->getBool("/options/transform/rectcorners", true)) {
sp_item_adjust_rects_recursive(this, advertized_transform);
}
// recursively compensate pattern fill if it's not to be transformed
if (!prefs->getBool("/options/transform/pattern", true)) {
adjust_paint_recursive (advertized_transform.inverse(), Geom::identity(), true);
}
/// \todo FIXME: add the same else branch as for gradients below, to convert patterns to userSpaceOnUse as well
/// recursively compensate gradient fill if it's not to be transformed
if (!prefs->getBool("/options/transform/gradient", true)) {
adjust_paint_recursive (advertized_transform.inverse(), Geom::identity(), false);
} else {
// this converts the gradient/pattern fill/stroke, if any, to userSpaceOnUse; we need to do
// it here _before_ the new transform is set, so as to use the pre-transform bbox
adjust_paint_recursive (Geom::identity(), Geom::identity(), false);
}
} // endif(compensate)
gint preserve = prefs->getBool("/options/preservetransform/value", 0);
Geom::Affine transform_attr (transform);
// CPPIFY: check this code.
// If onSetTransform is not overridden, CItem::onSetTransform will return the transform it was given as a parameter.
// onSetTransform cannot be pure due to the fact that not all visible Items are transformable.
if ( // run the object's set_transform (i.e. embed transform) only if:
(dynamic_cast<SPText *>(this) && firstChild() && dynamic_cast<SPTextPath *>(firstChild())) ||
(!preserve && // user did not chose to preserve all transforms
(!clip_ref || !clip_ref->getObject()) && // the object does not have a clippath
(!mask_ref || !mask_ref->getObject()) && // the object does not have a mask
!(!transform.isTranslation() && style && style->getFilter())) // the object does not have a filter, or the transform is translation (which is supposed to not affect filters)
)
{
transform_attr = this->set_transform(transform);
if (freeze_stroke_width) {
freeze_stroke_width_recursive(false);
}
} else {
if (freeze_stroke_width) {
freeze_stroke_width_recursive(false);
if (compensate) {
if (!prefs->getBool("/options/transform/stroke", true)) {
// Recursively compensate for stroke scaling, depending on user preference
// (As to why we need to do this, see the comment a few lines above near the freeze_stroke_width_recursive(true) call)
double const expansion = 1. / advertized_transform.descrim();
adjust_stroke_width_recursive(expansion);
}
}
}
}
set_item_transform(transform_attr);
// Note: updateRepr comes before emitting the transformed signal since
// it causes clone SPUse's copy of the original object to brought up to
// date with the original. Otherwise, sp_use_bbox returns incorrect
// values if called in code handling the transformed signal.
updateRepr();
// send the relative transform with a _transformed_signal
_transformed_signal.emit(&advertized_transform, this);
}
// CPPIFY: see below, do not make pure?
gint SPItem::event(SPEvent* /*event*/) {
return FALSE;
}
gint SPItem::emitEvent(SPEvent &event)
{
return this->event(&event);
}
void SPItem::set_item_transform(Geom::Affine const &transform_matrix)
{
if (!Geom::are_near(transform_matrix, transform, 1e-18)) {
transform = transform_matrix;
/* The SP_OBJECT_USER_MODIFIED_FLAG_B is used to mark the fact that it's only a
transformation. It's apparently not used anywhere else. */
requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_USER_MODIFIED_FLAG_B);
sp_item_rm_unsatisfied_cns(*this);
}
}
//void SPItem::convert_to_guides() const {
// // CPPIFY: If not overridden, call SPItem::convert_to_guides() const, see below!
// this->convert_to_guides();
//}
Geom::Affine i2anc_affine(SPObject const *object, SPObject const *const ancestor) {
Geom::Affine ret(Geom::identity());
g_return_val_if_fail(object != NULL, ret);
/* stop at first non-renderable ancestor */
while ( object != ancestor && dynamic_cast<SPItem const *>(object) ) {
SPRoot const *root = dynamic_cast<SPRoot const *>(object);
if (root) {
ret *= root->c2p;
} else {
SPItem const *item = dynamic_cast<SPItem const *>(object);
g_assert(item != NULL);
ret *= item->transform;
}
object = object->parent;
}
return ret;
}
Geom::Affine
i2i_affine(SPObject const *src, SPObject const *dest) {
g_return_val_if_fail(src != NULL && dest != NULL, Geom::identity());
SPObject const *ancestor = src->nearestCommonAncestor(dest);
return i2anc_affine(src, ancestor) * i2anc_affine(dest, ancestor).inverse();
}
Geom::Affine SPItem::getRelativeTransform(SPObject const *dest) const {
return i2i_affine(this, dest);
}
Geom::Affine SPItem::i2doc_affine() const
{
return i2anc_affine(this, NULL);
}
Geom::Affine SPItem::i2dt_affine() const
{
Geom::Affine ret;
SPDesktop const *desktop = SP_ACTIVE_DESKTOP;
if ( desktop ) {
ret = i2doc_affine() * desktop->doc2dt();
} else {
// TODO temp code to prevent crashing on command-line launch:
ret = i2doc_affine()
* Geom::Scale(1, -1)
* Geom::Translate(0, document->getHeight().value("px"));
}
return ret;
}
void SPItem::set_i2d_affine(Geom::Affine const &i2dt)
{
Geom::Affine dt2p; /* desktop to item parent transform */
if (parent) {
dt2p = static_cast<SPItem *>(parent)->i2dt_affine().inverse();
} else {
SPDesktop *dt = SP_ACTIVE_DESKTOP;
dt2p = dt->dt2doc();
}
Geom::Affine const i2p( i2dt * dt2p );
set_item_transform(i2p);
}
Geom::Affine SPItem::dt2i_affine() const
{
/* fixme: Implement the right way (Lauris) */
return i2dt_affine().inverse();
}
/* Item views */
SPItemView *SPItem::sp_item_view_new_prepend(SPItemView *list, SPItem *item, unsigned flags, unsigned key, Inkscape::DrawingItem *drawing_item)
{
g_assert(item != NULL);
g_assert(dynamic_cast<SPItem *>(item) != NULL);
g_assert(drawing_item != NULL);
SPItemView *new_view = g_new(SPItemView, 1);
new_view->next = list;
new_view->flags = flags;
new_view->key = key;
new_view->arenaitem = drawing_item;
return new_view;
}
static SPItemView*
sp_item_view_list_remove(SPItemView *list, SPItemView *view)
{
SPItemView *ret = list;
if (view == list) {
ret = list->next;
} else {
SPItemView *prev;
prev = list;
while (prev->next != view) prev = prev->next;
prev->next = view->next;
}
delete view->arenaitem;
g_free(view);
return ret;
}
Inkscape::DrawingItem *SPItem::get_arenaitem(unsigned key)
{
for ( SPItemView *iv = display ; iv ; iv = iv->next ) {
if ( iv->key == key ) {
return iv->arenaitem;
}
}
return NULL;
}
int sp_item_repr_compare_position(SPItem const *first, SPItem const *second)
{
return sp_repr_compare_position(first->getRepr(),
second->getRepr());
}
SPItem const *sp_item_first_item_child(SPObject const *obj)
{
return sp_item_first_item_child( const_cast<SPObject *>(obj) );
}
SPItem *sp_item_first_item_child(SPObject *obj)
{
SPItem *child = 0;
for ( SPObject *iter = obj->firstChild() ; iter ; iter = iter->next ) {
SPItem *tmp = dynamic_cast<SPItem *>(iter);
if ( tmp ) {
child = tmp;
break;
}
}
return child;
}
void SPItem::convert_to_guides() const {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
int prefs_bbox = prefs->getInt("/tools/bounding_box", 0);
Geom::OptRect bbox = (prefs_bbox == 0) ? desktopVisualBounds() : desktopGeometricBounds();
if (!bbox) {
g_warning ("Cannot determine item's bounding box during conversion to guides.\n");
return;
}
std::list<std::pair<Geom::Point, Geom::Point> > pts;
Geom::Point A((*bbox).min());
Geom::Point C((*bbox).max());
Geom::Point B(A[Geom::X], C[Geom::Y]);
Geom::Point D(C[Geom::X], A[Geom::Y]);
pts.push_back(std::make_pair(A, B));
pts.push_back(std::make_pair(B, C));
pts.push_back(std::make_pair(C, D));
pts.push_back(std::make_pair(D, A));
sp_guide_pt_pairs_to_guides(document, pts);
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :