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diff --git a/src/object-snapper.cpp b/src/object-snapper.cpp
index 0223ee132786e8270be27c3e7bc2670383933b3b..88c2607822d16ddb0af335940992f9019902ab50 100644 (file)
--- a/src/object-snapper.cpp
+++ b/src/object-snapper.cpp
*/
#include "svg/svg.h"
-#include "libnr/nr-rect-ops.h"
-#include "libnr/nr-point-fns.h"
#include <2geom/path-intersection.h>
#include <2geom/point.h>
#include <2geom/rect.h>
+#include <2geom/line.h>
#include "document.h"
#include "sp-namedview.h"
#include "sp-image.h"
*/
Geom::Coord Inkscape::ObjectSnapper::getSnapperTolerance() const
{
- SPDesktop const *dt = _snapmanager->getDesktop();
- double const zoom = dt ? dt->current_zoom() : 1;
- return _snapmanager->snapprefs.getObjectTolerance() / zoom;
+ SPDesktop const *dt = _snapmanager->getDesktop();
+ double const zoom = dt ? dt->current_zoom() : 1;
+ return _snapmanager->snapprefs.getObjectTolerance() / zoom;
}
bool Inkscape::ObjectSnapper::getSnapperAlwaysSnap() const
* Find all items within snapping range.
* \param parent Pointer to the document's root, or to a clipped path or mask object
* \param it List of items to ignore
- * \param first_point If true then this point is the first one from a whole bunch of points
* \param bbox_to_snap Bounding box hulling the whole bunch of points, all from the same selection and having the same transformation
* \param DimensionToSnap Snap in X, Y, or both directions.
*/
// This item is within snapping range, so record it as a candidate
_candidates->push_back(SnapCandidate(item, clip_or_mask, additional_affine));
// For debugging: print the id of the candidate to the console
- // SPObject *obj = (SPObject*)item;
- // std::cout << "Snap candidate added: " << obj->id << std::endl;
+ //SPObject *obj = (SPObject*)item;
+ //std::cout << "Snap candidate added: " << obj->id << std::endl;
}
}
}
void Inkscape::ObjectSnapper::_collectNodes(Inkscape::SnapPreferences::PointType const &t,
- bool const &first_point) const
+ bool const &first_point) const
{
// Now, let's first collect all points to snap to. If we have a whole bunch of points to snap,
// e.g. when translating an item using the selector tool, then we will only do this for the
@@ -213,47 +211,47 @@ void Inkscape::ObjectSnapper::_collectNodes(Inkscape::SnapPreferences::PointType
g_return_if_fail(root_item);
//Collect all nodes so we can snap to them
- if (p_is_a_node || !(_snapmanager->snapprefs.getStrictSnapping() && !p_is_a_node) || p_is_a_guide) {
- // Note: there are two ways in which intersections are considered:
- // Method 1: Intersections are calculated for each shape individually, for both the
- // snap source and snap target (see sp_shape_snappoints)
- // Method 2: Intersections are calculated for each curve or line that we've snapped to, i.e. only for
- // the target (see the intersect() method in the SnappedCurve and SnappedLine classes)
- // Some differences:
- // - Method 1 doesn't find intersections within a set of multiple objects
- // - Method 2 only works for targets
- // When considering intersections as snap targets:
- // - Method 1 only works when snapping to nodes, whereas
- // - Method 2 only works when snapping to paths
- // - There will be performance differences too!
- // If both methods are being used simultaneously, then this might lead to duplicate targets!
-
- // Well, here we will be looking for snap TARGETS. Both methods can therefore be used.
- // When snapping to paths, we will get a collection of snapped lines and snapped curves. findBestSnap() will
- // go hunting for intersections (but only when asked to in the prefs of course). In that case we can just
- // temporarily block the intersections in sp_item_snappoints, we don't need duplicates. If we're not snapping to
- // paths though but only to item nodes then we should still look for the intersections in sp_item_snappoints()
- bool old_pref = _snapmanager->snapprefs.getSnapIntersectionCS();
- if (_snapmanager->snapprefs.getSnapToItemPath()) {
- _snapmanager->snapprefs.setSnapIntersectionCS(false);
- }
-
- sp_item_snappoints(root_item, true, *_points_to_snap_to, &_snapmanager->snapprefs);
-
- if (_snapmanager->snapprefs.getSnapToItemPath()) {
- _snapmanager->snapprefs.setSnapIntersectionCS(old_pref);
- }
- }
+ if (p_is_a_node || !(_snapmanager->snapprefs.getStrictSnapping() && !p_is_a_node) || p_is_a_guide) {
+ // Note: there are two ways in which intersections are considered:
+ // Method 1: Intersections are calculated for each shape individually, for both the
+ // snap source and snap target (see sp_shape_snappoints)
+ // Method 2: Intersections are calculated for each curve or line that we've snapped to, i.e. only for
+ // the target (see the intersect() method in the SnappedCurve and SnappedLine classes)
+ // Some differences:
+ // - Method 1 doesn't find intersections within a set of multiple objects
+ // - Method 2 only works for targets
+ // When considering intersections as snap targets:
+ // - Method 1 only works when snapping to nodes, whereas
+ // - Method 2 only works when snapping to paths
+ // - There will be performance differences too!
+ // If both methods are being used simultaneously, then this might lead to duplicate targets!
+
+ // Well, here we will be looking for snap TARGETS. Both methods can therefore be used.
+ // When snapping to paths, we will get a collection of snapped lines and snapped curves. findBestSnap() will
+ // go hunting for intersections (but only when asked to in the prefs of course). In that case we can just
+ // temporarily block the intersections in sp_item_snappoints, we don't need duplicates. If we're not snapping to
+ // paths though but only to item nodes then we should still look for the intersections in sp_item_snappoints()
+ bool old_pref = _snapmanager->snapprefs.getSnapIntersectionCS();
+ if (_snapmanager->snapprefs.getSnapToItemPath()) {
+ _snapmanager->snapprefs.setSnapIntersectionCS(false);
+ }
+
+ sp_item_snappoints(root_item, true, *_points_to_snap_to, &_snapmanager->snapprefs);
+
+ if (_snapmanager->snapprefs.getSnapToItemPath()) {
+ _snapmanager->snapprefs.setSnapIntersectionCS(old_pref);
+ }
+ }
//Collect the bounding box's corners so we can snap to them
- if (p_is_a_bbox || !(_snapmanager->snapprefs.getStrictSnapping() && !p_is_a_bbox) || p_is_a_guide) {
- // Discard the bbox of a clipped path / mask, because we don't want to snap to both the bbox
- // of the item AND the bbox of the clipping path at the same time
- if (!(*i).clip_or_mask) {
- Geom::OptRect b = sp_item_bbox_desktop(root_item, bbox_type);
- getBBoxPoints(b, _points_to_snap_to, true, _snapmanager->snapprefs.getSnapToBBoxNode(), _snapmanager->snapprefs.getSnapBBoxEdgeMidpoints(), _snapmanager->snapprefs.getSnapBBoxMidpoints());
- }
- }
+ if (p_is_a_bbox || !(_snapmanager->snapprefs.getStrictSnapping() && !p_is_a_bbox) || p_is_a_guide) {
+ // Discard the bbox of a clipped path / mask, because we don't want to snap to both the bbox
+ // of the item AND the bbox of the clipping path at the same time
+ if (!(*i).clip_or_mask) {
+ Geom::OptRect b = sp_item_bbox_desktop(root_item, bbox_type);
+ getBBoxPoints(b, _points_to_snap_to, true, _snapmanager->snapprefs.getSnapToBBoxNode(), _snapmanager->snapprefs.getSnapBBoxEdgeMidpoints(), _snapmanager->snapprefs.getSnapBBoxMidpoints());
+ }
+ }
}
}
}
Inkscape::SnapPreferences::PointType const &t,
Geom::Point const &p,
SnapSourceType const &source_type,
- bool const &first_point,
+ long source_num,
std::vector<std::pair<Geom::Point, int> > *unselected_nodes) const
{
// Iterate through all nodes, find out which one is the closest to p, and snap to it!
- _collectNodes(t, first_point);
+ _collectNodes(t, source_num == 0);
if (unselected_nodes != NULL) {
_points_to_snap_to->insert(_points_to_snap_to->end(), unselected_nodes->begin(), unselected_nodes->end());
for (std::vector<std::pair<Geom::Point, int> >::const_iterator k = _points_to_snap_to->begin(); k != _points_to_snap_to->end(); k++) {
Geom::Coord dist = Geom::L2((*k).first - p);
if (dist < getSnapperTolerance() && dist < s.getSnapDistance()) {
- s = SnappedPoint((*k).first, source_type, static_cast<Inkscape::SnapTargetType>((*k).second), dist, getSnapperTolerance(), getSnapperAlwaysSnap(), true);
+ s = SnappedPoint((*k).first, source_type, source_num, static_cast<Inkscape::SnapTargetType>((*k).second), dist, getSnapperTolerance(), getSnapperAlwaysSnap(), true);
success = true;
}
}
@@ -297,25 +295,27 @@ void Inkscape::ObjectSnapper::_snapTranslatingGuideToNodes(SnappedConstraints &s
// Iterate through all nodes, find out which one is the closest to this guide, and snap to it!
_collectNodes(t, true);
+ // Although we won't snap to paths here (which would give us under constrained snaps) we can still snap to intersections of paths.
+ if (_snapmanager->snapprefs.getSnapToItemPath() || _snapmanager->snapprefs.getSnapToBBoxPath() || _snapmanager->snapprefs.getSnapToPageBorder()) {
+ _collectPaths(t, true);
+ _snapPaths(sc, t, p, SNAPSOURCE_GUIDE, 0, NULL, NULL);
+ // The paths themselves should be discarded in findBestSnap(), as we should only snap to their intersections
+ }
+
SnappedPoint s;
- bool success = false;
Geom::Coord tol = getSnapperTolerance();
for (std::vector<std::pair<Geom::Point, int> >::const_iterator k = _points_to_snap_to->begin(); k != _points_to_snap_to->end(); k++) {
// Project each node (*k) on the guide line (running through point p)
- Geom::Point p_proj = project_on_linesegment((*k).first, p, p + Geom::rot90(guide_normal));
+ Geom::Point p_proj = Geom::projection((*k).first, Geom::Line(p, p + Geom::rot90(guide_normal)));
Geom::Coord dist = Geom::L2((*k).first - p_proj); // distance from node to the guide
Geom::Coord dist2 = Geom::L2(p - p_proj); // distance from projection of node on the guide, to the mouse location
- if ((dist < tol && dist2 < tol) || (getSnapperAlwaysSnap() && dist < s.getSnapDistance())) {
- s = SnappedPoint((*k).first, SNAPSOURCE_GUIDE, static_cast<Inkscape::SnapTargetType>((*k).second), dist, tol, getSnapperAlwaysSnap(), true);
- success = true;
+ if ((dist < tol && dist2 < tol) || getSnapperAlwaysSnap()) {
+ s = SnappedPoint((*k).first, SNAPSOURCE_GUIDE, 0, static_cast<Inkscape::SnapTargetType>((*k).second), dist, tol, getSnapperAlwaysSnap(), true);
+ sc.points.push_back(s);
}
}
-
- if (success) {
- sc.points.push_back(s);
- }
}
@@ -336,6 +336,7 @@ void Inkscape::ObjectSnapper::_collectPaths(Inkscape::SnapPreferences::PointType
SPItem::BBoxType bbox_type = SPItem::GEOMETRIC_BBOX;
bool p_is_a_node = t & Inkscape::SnapPreferences::SNAPPOINT_NODE;
+ bool p_is_a_guide = t & Inkscape::SnapPreferences::SNAPPOINT_GUIDE;
if (_snapmanager->snapprefs.getSnapToBBoxPath()) {
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
@@ -371,7 +372,7 @@ void Inkscape::ObjectSnapper::_collectPaths(Inkscape::SnapPreferences::PointType
//Add the item's path to snap to
if (_snapmanager->snapprefs.getSnapToItemPath()) {
- if (!(_snapmanager->snapprefs.getStrictSnapping() && !p_is_a_node)) {
+ if (p_is_a_guide || !(_snapmanager->snapprefs.getStrictSnapping() && !p_is_a_node)) {
// Snapping to the path of characters is very cool, but for a large
// chunk of text this will take ages! So limit snapping to text paths
// containing max. 240 characters. Snapping the bbox will not be affected
@@ -405,7 +406,7 @@ void Inkscape::ObjectSnapper::_collectPaths(Inkscape::SnapPreferences::PointType
//Add the item's bounding box to snap to
if (_snapmanager->snapprefs.getSnapToBBoxPath()) {
- if (!(_snapmanager->snapprefs.getStrictSnapping() && p_is_a_node)) {
+ if (p_is_a_guide || !(_snapmanager->snapprefs.getStrictSnapping() && p_is_a_node)) {
// Discard the bbox of a clipped path / mask, because we don't want to snap to both the bbox
// of the item AND the bbox of the clipping path at the same time
if (!(*i).clip_or_mask) {
Inkscape::SnapPreferences::PointType const &t,
Geom::Point const &p,
SnapSourceType const &source_type,
- bool const &first_point,
+ long source_num,
std::vector<std::pair<Geom::Point, int> > *unselected_nodes,
SPPath const *selected_path) const
{
- _collectPaths(t, first_point);
+ _collectPaths(t, source_num == 0);
// Now we can finally do the real snapping, using the paths collected above
g_assert(_snapmanager->getDesktop() != NULL);
bool const node_tool_active = _snapmanager->snapprefs.getSnapToItemPath() && selected_path != NULL;
- if (first_point) {
+ if (source_num == 0) {
/* findCandidates() is used for snapping to both paths and nodes. It ignores the path that is
* currently being edited, because that path requires special care: when snapping to nodes
* only the unselected nodes of that path should be considered, and these will be passed on separately.
if (!being_edited || (c1 && c2)) {
Geom::Coord const dist = Geom::distance(sp_doc, p_doc);
if (dist < getSnapperTolerance()) {
- sc.curves.push_back(Inkscape::SnappedCurve(sp_dt, dist, getSnapperTolerance(), getSnapperAlwaysSnap(), false, curve, source_type, it_p->second));
+ sc.curves.push_back(Inkscape::SnappedCurve(sp_dt, dist, getSnapperTolerance(), getSnapperAlwaysSnap(), false, curve, source_type, source_num, it_p->second));
}
}
}
Inkscape::SnapPreferences::PointType const &t,
Geom::Point const &p,
SnapSourceType const source_type,
- bool const &first_point,
+ long source_num,
ConstraintLine const &c) const
{
- _collectPaths(t, first_point);
+ _collectPaths(t, source_num == 0);
// Now we can finally do the real snapping, using the paths collected above
direction_vector = Geom::unit_vector(direction_vector);
}
- Geom::Point const p1_on_cl = c.hasPoint() ? c.getPoint() : p;
- Geom::Point const p2_on_cl = p1_on_cl + direction_vector;
-
// The intersection point of the constraint line with any path,
// must lie within two points on the constraintline: p_min_on_cl and p_max_on_cl
// The distance between those points is twice the snapping tolerance
- Geom::Point const p_proj_on_cl = project_on_linesegment(p, p1_on_cl, p2_on_cl);
+ Geom::Point const p_proj_on_cl = p; // projection has already been taken care of in constrainedSnap in the snapmanager;
Geom::Point const p_min_on_cl = _snapmanager->getDesktop()->dt2doc(p_proj_on_cl - getSnapperTolerance() * direction_vector);
Geom::Point const p_max_on_cl = _snapmanager->getDesktop()->dt2doc(p_proj_on_cl + getSnapperTolerance() * direction_vector);
// When it's within snapping range, then return it
// (within snapping range == between p_min_on_cl and p_max_on_cl == 0 < ta < 1)
Geom::Coord dist = Geom::L2(_snapmanager->getDesktop()->dt2doc(p_proj_on_cl) - p_inters);
- SnappedPoint s(_snapmanager->getDesktop()->doc2dt(p_inters), source_type, k->second, dist, getSnapperTolerance(), getSnapperAlwaysSnap(), true);
+ SnappedPoint s(_snapmanager->getDesktop()->doc2dt(p_inters), source_type, source_num, k->second, dist, getSnapperTolerance(), getSnapperAlwaysSnap(), true);
sc.points.push_back(s);
}
}
Inkscape::SnapPreferences::PointType const &t,
Geom::Point const &p,
SnapSourceType const &source_type,
- bool const &first_point,
+ long source_num,
Geom::OptRect const &bbox_to_snap,
std::vector<SPItem const *> const *it,
std::vector<std::pair<Geom::Point, int> > *unselected_nodes) const
}
/* Get a list of all the SPItems that we will try to snap to */
- if (first_point) {
+ if (source_num == 0) {
Geom::Rect const local_bbox_to_snap = bbox_to_snap ? *bbox_to_snap : Geom::Rect(p, p);
- _findCandidates(sp_document_root(_snapmanager->getDocument()), it, first_point, local_bbox_to_snap, TRANSL_SNAP_XY, false, Geom::identity());
+ _findCandidates(sp_document_root(_snapmanager->getDocument()), it, source_num == 0, local_bbox_to_snap, TRANSL_SNAP_XY, false, Geom::identity());
}
if (_snapmanager->snapprefs.getSnapToItemNode() || _snapmanager->snapprefs.getSnapSmoothNodes()
- || _snapmanager->snapprefs.getSnapToBBoxNode() || _snapmanager->snapprefs.getSnapToPageBorder()
- || _snapmanager->snapprefs.getSnapLineMidpoints() || _snapmanager->snapprefs.getSnapObjectMidpoints()
- || _snapmanager->snapprefs.getSnapBBoxEdgeMidpoints() || _snapmanager->snapprefs.getSnapBBoxMidpoints()
- || _snapmanager->snapprefs.getIncludeItemCenter()) {
- _snapNodes(sc, t, p, source_type, first_point, unselected_nodes);
+ || _snapmanager->snapprefs.getSnapToBBoxNode() || _snapmanager->snapprefs.getSnapToPageBorder()
+ || _snapmanager->snapprefs.getSnapLineMidpoints() || _snapmanager->snapprefs.getSnapObjectMidpoints()
+ || _snapmanager->snapprefs.getSnapBBoxEdgeMidpoints() || _snapmanager->snapprefs.getSnapBBoxMidpoints()
+ || _snapmanager->snapprefs.getIncludeItemCenter()) {
+ _snapNodes(sc, t, p, source_type, source_num, unselected_nodes);
}
if (_snapmanager->snapprefs.getSnapToItemPath() || _snapmanager->snapprefs.getSnapToBBoxPath() || _snapmanager->snapprefs.getSnapToPageBorder()) {
*/
SPPath *path = NULL;
if (it != NULL) {
- g_assert(SP_IS_PATH(*it->begin()));
- g_assert(it->size() == 1);
- path = SP_PATH(*it->begin());
+ if (it->size() == 1 && SP_IS_PATH(*it->begin())) {
+ path = SP_PATH(*it->begin());
+ } // else: *it->begin() might be a SPGroup, e.g. when editing a LPE of text that has been converted to a group of paths
+ // as reported in bug #356743. In that case we can just ignore it, i.e. not snap to this item
}
- _snapPaths(sc, t, p, source_type, first_point, unselected_nodes, path);
+ _snapPaths(sc, t, p, source_type, source_num, unselected_nodes, path);
} else {
- _snapPaths(sc, t, p, source_type, first_point, NULL, NULL);
+ _snapPaths(sc, t, p, source_type, source_num, NULL, NULL);
}
}
}
Inkscape::SnapPreferences::PointType const &t,
Geom::Point const &p,
SnapSourceType const &source_type,
- bool const &first_point,
+ long source_num,
Geom::OptRect const &bbox_to_snap,
ConstraintLine const &c,
std::vector<SPItem const *> const *it) const
}
/* Get a list of all the SPItems that we will try to snap to */
- if (first_point) {
+ if (source_num == 0) {
Geom::Rect const local_bbox_to_snap = bbox_to_snap ? *bbox_to_snap : Geom::Rect(p, p);
- _findCandidates(sp_document_root(_snapmanager->getDocument()), it, first_point, local_bbox_to_snap, TRANSL_SNAP_XY, false, Geom::identity());
+ _findCandidates(sp_document_root(_snapmanager->getDocument()), it, source_num == 0, local_bbox_to_snap, TRANSL_SNAP_XY, false, Geom::identity());
}
// A constrained snap, is a snap in only one degree of freedom (specified by the constraint line).
// so we will more or less snap to them anyhow.
if (_snapmanager->snapprefs.getSnapToItemPath() || _snapmanager->snapprefs.getSnapToBBoxPath() || _snapmanager->snapprefs.getSnapToPageBorder()) {
- _snapPathsConstrained(sc, t, p, source_type, first_point, c);
+ _snapPathsConstrained(sc, t, p, source_type, 0, c);
}
}
// This method is used to snap a guide to nodes, while dragging the guide around
-void Inkscape::ObjectSnapper::guideSnap(SnappedConstraints &sc,
+void Inkscape::ObjectSnapper::guideFreeSnap(SnappedConstraints &sc,
Geom::Point const &p,
Geom::Point const &guide_normal) const
{
snap_dim = ANGLED_GUIDE_TRANSL_SNAP;
}
- // We don't support ANGLED_GUIDE_ROT_SNAP yet.
+ _findCandidates(sp_document_root(_snapmanager->getDocument()), &it, true, Geom::Rect(p, p), snap_dim, false, Geom::identity());
+ _snapTranslatingGuideToNodes(sc, Inkscape::SnapPreferences::SNAPPOINT_GUIDE, p, guide_normal);
- // It would be cool to allow the user to rotate a guide by dragging it, instead of
- // only translating it. (For example when CTRL is pressed). We will need an UI part
- // for that first; and some important usability choices need to be made:
- // E.g. which point should be used for pivoting? A previously snapped point,
- // or a transformation center (which can be moved after clicking for the
- // second time on an object; but should this point then be constrained to the
- // line, or can it be located anywhere?)
+}
+
+// This method is used to snap the origin of a guide to nodes/paths, while dragging the origin along the guide
+void Inkscape::ObjectSnapper::guideConstrainedSnap(SnappedConstraints &sc,
+ Geom::Point const &p,
+ Geom::Point const &guide_normal,
+ ConstraintLine const &/*c*/) const
+{
+ /* Get a list of all the SPItems that we will try to snap to */
+ std::vector<SPItem*> cand;
+ std::vector<SPItem const *> const it; //just an empty list
+
+ DimensionToSnap snap_dim;
+ if (guide_normal == to_2geom(component_vectors[Geom::Y])) {
+ snap_dim = GUIDE_TRANSL_SNAP_Y;
+ } else if (guide_normal == to_2geom(component_vectors[Geom::X])) {
+ snap_dim = GUIDE_TRANSL_SNAP_X;
+ } else {
+ snap_dim = ANGLED_GUIDE_TRANSL_SNAP;
+ }
_findCandidates(sp_document_root(_snapmanager->getDocument()), &it, true, Geom::Rect(p, p), snap_dim, false, Geom::identity());
_snapTranslatingGuideToNodes(sc, Inkscape::SnapPreferences::SNAPPOINT_GUIDE, p, guide_normal);
- // _snapRotatingGuideToNodes has not been implemented yet.
+
}
/**
bool Inkscape::ObjectSnapper::ThisSnapperMightSnap() const
{
bool snap_to_something = _snapmanager->snapprefs.getSnapToItemPath()
- || _snapmanager->snapprefs.getSnapToItemNode()
- || _snapmanager->snapprefs.getSnapToBBoxPath()
- || _snapmanager->snapprefs.getSnapToBBoxNode()
- || _snapmanager->snapprefs.getSnapToPageBorder()
- || _snapmanager->snapprefs.getSnapLineMidpoints() || _snapmanager->snapprefs.getSnapObjectMidpoints()
- || _snapmanager->snapprefs.getSnapBBoxEdgeMidpoints() || _snapmanager->snapprefs.getSnapBBoxMidpoints()
- || _snapmanager->snapprefs.getIncludeItemCenter();
+ || _snapmanager->snapprefs.getSnapToItemNode()
+ || _snapmanager->snapprefs.getSnapToBBoxPath()
+ || _snapmanager->snapprefs.getSnapToBBoxNode()
+ || _snapmanager->snapprefs.getSnapToPageBorder()
+ || _snapmanager->snapprefs.getSnapLineMidpoints() || _snapmanager->snapprefs.getSnapObjectMidpoints()
+ || _snapmanager->snapprefs.getSnapBBoxEdgeMidpoints() || _snapmanager->snapprefs.getSnapBBoxMidpoints()
+ || _snapmanager->snapprefs.getIncludeItemCenter();
return (_snap_enabled && _snapmanager->snapprefs.getSnapModeBBoxOrNodes() && snap_to_something);
}
-bool Inkscape::ObjectSnapper::GuidesMightSnap() const
+bool Inkscape::ObjectSnapper::GuidesMightSnap() const // almost the same as ThisSnapperMightSnap above, but only looking at points (and not paths)
{
- bool snap_to_something = _snapmanager->snapprefs.getSnapToItemNode() || _snapmanager->snapprefs.getSnapToBBoxNode();
+ bool snap_to_something = _snapmanager->snapprefs.getSnapToItemNode()
+ || _snapmanager->snapprefs.getSnapToPageBorder()
+ || (_snapmanager->snapprefs.getSnapModeBBox() && _snapmanager->snapprefs.getSnapToBBoxNode())
+ || (_snapmanager->snapprefs.getSnapModeBBox() && (_snapmanager->snapprefs.getSnapBBoxEdgeMidpoints() || _snapmanager->snapprefs.getSnapBBoxMidpoints()))
+ || (_snapmanager->snapprefs.getSnapModeNode() && (_snapmanager->snapprefs.getSnapLineMidpoints() || _snapmanager->snapprefs.getSnapObjectMidpoints()))
+ || (_snapmanager->snapprefs.getSnapModeNode() && _snapmanager->snapprefs.getIncludeItemCenter())
+ || (_snapmanager->snapprefs.getSnapModeNode() && (_snapmanager->snapprefs.getSnapToItemPath() && _snapmanager->snapprefs.getSnapIntersectionCS()));
+
return (_snap_enabled && _snapmanager->snapprefs.getSnapModeGuide() && snap_to_something);
}
@@ -763,21 +783,21 @@ void Inkscape::ObjectSnapper::_getBorderNodes(std::vector<std::pair<Geom::Point,
void Inkscape::getBBoxPoints(Geom::OptRect const bbox, std::vector<std::pair<Geom::Point, int> > *points, bool const isTarget, bool const includeCorners, bool const includeLineMidpoints, bool const includeObjectMidpoints)
{
- if (bbox) {
- // collect the corners of the bounding box
- for ( unsigned k = 0 ; k < 4 ; k++ ) {
- if (includeCorners) {
- points->push_back(std::make_pair((bbox->corner(k)), isTarget ? int(Inkscape::SNAPTARGET_BBOX_CORNER) : int(Inkscape::SNAPSOURCE_BBOX_CORNER)));
- }
- // optionally, collect the midpoints of the bounding box's edges too
- if (includeLineMidpoints) {
- points->push_back(std::make_pair((bbox->corner(k) + bbox->corner((k+1) % 4))/2, isTarget ? int(Inkscape::SNAPTARGET_BBOX_EDGE_MIDPOINT) : int(Inkscape::SNAPSOURCE_BBOX_EDGE_MIDPOINT)));
- }
- }
- if (includeObjectMidpoints) {
- points->push_back(std::make_pair(bbox->midpoint(), isTarget ? int(Inkscape::SNAPTARGET_BBOX_MIDPOINT) : int(Inkscape::SNAPSOURCE_BBOX_MIDPOINT)));
- }
- }
+ if (bbox) {
+ // collect the corners of the bounding box
+ for ( unsigned k = 0 ; k < 4 ; k++ ) {
+ if (includeCorners) {
+ points->push_back(std::make_pair((bbox->corner(k)), isTarget ? int(Inkscape::SNAPTARGET_BBOX_CORNER) : int(Inkscape::SNAPSOURCE_BBOX_CORNER)));
+ }
+ // optionally, collect the midpoints of the bounding box's edges too
+ if (includeLineMidpoints) {
+ points->push_back(std::make_pair((bbox->corner(k) + bbox->corner((k+1) % 4))/2, isTarget ? int(Inkscape::SNAPTARGET_BBOX_EDGE_MIDPOINT) : int(Inkscape::SNAPSOURCE_BBOX_EDGE_MIDPOINT)));
+ }
+ }
+ if (includeObjectMidpoints) {
+ points->push_back(std::make_pair(bbox->midpoint(), isTarget ? int(Inkscape::SNAPTARGET_BBOX_MIDPOINT) : int(Inkscape::SNAPSOURCE_BBOX_MIDPOINT)));
+ }
+ }
}
/*