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diff --git a/src/nodepath.cpp b/src/nodepath.cpp
index 2cdb37e15c6f40fb4f3c38fa1a311d4391552d6c..96820d85bc8dbcfbaa0c2d3d6cfb08fae5d9f47b 100644 (file)
--- a/src/nodepath.cpp
+++ b/src/nodepath.cpp
/**
* \brief Creates new nodepath from item
*/
-Inkscape::NodePath::Path *sp_nodepath_new(SPDesktop *desktop, SPItem *item)
+Inkscape::NodePath::Path *sp_nodepath_new(SPDesktop *desktop, SPItem *item, bool show_handles)
{
Inkscape::XML::Node *repr = SP_OBJECT(item)->repr;
np->nodeContext = NULL; //Let the context that makes this set it
np->livarot_path = NULL;
np->local_change = 0;
+ np->show_handles = show_handles;
// we need to update item's transform from the repr here,
// because they may be out of sync when we respond
return nodeCount;
}
+/**
+ * Return the subpath count of a given NodePath.
+ */
+static gint sp_nodepath_get_subpath_count(Inkscape::NodePath::Path *np)
+{
+ if (!np)
+ return 0;
+ return g_list_length (np->subpaths);
+}
+
+/**
+ * Return the selected node count of a given NodePath.
+ */
+static gint sp_nodepath_selection_get_node_count(Inkscape::NodePath::Path *np)
+{
+ if (!np)
+ return 0;
+ return g_list_length (np->selected);
+}
+/**
+ * Return the number of subpaths where nodes are selected in a given NodePath.
+ */
+static gint sp_nodepath_selection_get_subpath_count(Inkscape::NodePath::Path *np)
+{
+ if (!np)
+ return 0;
+ if (!np->selected)
+ return 0;
+ if (!np->selected->next)
+ return 1;
+ gint count = 0;
+ for (GList *spl = np->subpaths; spl != NULL; spl = spl->next) {
+ Inkscape::NodePath::SubPath *subpath = (Inkscape::NodePath::SubPath *) spl->data;
+ for (GList *nl = subpath->nodes; nl != NULL; nl = nl->next) {
+ Inkscape::NodePath::Node *node = (Inkscape::NodePath::Node *) nl->data;
+ if (node->selected) {
+ count ++;
+ break;
+ }
+ }
+ }
+ return count;
+}
+
/**
* Clean up a nodepath after editing.
*
@@ -953,11 +998,23 @@ curve; the parameter alpha determines how blunt (alpha > 1) or sharp (alpha < 1)
near x = 0.
*/
double
-sculpt_profile (double x, double alpha)
+sculpt_profile (double x, double alpha, guint profile)
{
if (x >= 1)
return 0;
- return (0.5 * cos (M_PI * (pow(x, alpha))) + 0.5);
+ if (x <= 0)
+ return 1;
+
+ switch (profile) {
+ case SCULPT_PROFILE_LINEAR:
+ return 1 - x;
+ case SCULPT_PROFILE_BELL:
+ return (0.5 * cos (M_PI * (pow(x, alpha))) + 0.5);
+ case SCULPT_PROFILE_ELLIPTIC:
+ return sqrt(1 - x*x);
+ }
+
+ return 1;
}
double
@@ -1000,97 +1057,141 @@ sp_nodepath_selected_nodes_sculpt(Inkscape::NodePath::Path *nodepath, Inkscape::
if (pressure > 0.5)
alpha = 1/alpha;
- double n_sel_range = 0, p_sel_range = 0;
- guint n_nodes = 0, p_nodes = 0;
- guint n_sel_nodes = 0, p_sel_nodes = 0;
-
- // First pass: calculate ranges (TODO: we could cache them, as they don't change while dragging)
- {
- double n_range = 0, p_range = 0;
- bool n_going = true, p_going = true;
- Inkscape::NodePath::Node *n_node = n;
- Inkscape::NodePath::Node *p_node = n;
- do {
- // Do one step in both directions from n, until reaching the end of subpath or bumping into each other
- if (n_node && n_going)
- n_node = n_node->n.other;
- if (n_node == NULL) {
- n_going = false;
- } else {
- n_nodes ++;
- n_range += bezier_length (n_node->p.other->origin, n_node->p.other->n.origin, n_node->p.origin, n_node->origin);
- if (n_node->selected) {
- n_sel_nodes ++;
- n_sel_range = n_range;
- }
- if (n_node == p_node) {
+ guint profile = prefs_get_int_attribute("tools.nodes", "sculpting_profile", SCULPT_PROFILE_BELL);
+
+ if (sp_nodepath_selection_get_subpath_count(nodepath) <= 1) {
+ // Only one subpath has selected nodes:
+ // use linear mode, where the distance from n to node being dragged is calculated along the path
+
+ double n_sel_range = 0, p_sel_range = 0;
+ guint n_nodes = 0, p_nodes = 0;
+ guint n_sel_nodes = 0, p_sel_nodes = 0;
+
+ // First pass: calculate ranges (TODO: we could cache them, as they don't change while dragging)
+ {
+ double n_range = 0, p_range = 0;
+ bool n_going = true, p_going = true;
+ Inkscape::NodePath::Node *n_node = n;
+ Inkscape::NodePath::Node *p_node = n;
+ do {
+ // Do one step in both directions from n, until reaching the end of subpath or bumping into each other
+ if (n_node && n_going)
+ n_node = n_node->n.other;
+ if (n_node == NULL) {
n_going = false;
- p_going = false;
+ } else {
+ n_nodes ++;
+ n_range += bezier_length (n_node->p.other->origin, n_node->p.other->n.origin, n_node->p.origin, n_node->origin);
+ if (n_node->selected) {
+ n_sel_nodes ++;
+ n_sel_range = n_range;
+ }
+ if (n_node == p_node) {
+ n_going = false;
+ p_going = false;
+ }
}
- }
- if (p_node && p_going)
- p_node = p_node->p.other;
- if (p_node == NULL) {
- p_going = false;
- } else {
- p_nodes ++;
- p_range += bezier_length (p_node->n.other->origin, p_node->n.other->p.origin, p_node->n.origin, p_node->origin);
- if (p_node->selected) {
- p_sel_nodes ++;
- p_sel_range = p_range;
+ if (p_node && p_going)
+ p_node = p_node->p.other;
+ if (p_node == NULL) {
+ p_going = false;
+ } else {
+ p_nodes ++;
+ p_range += bezier_length (p_node->n.other->origin, p_node->n.other->p.origin, p_node->n.origin, p_node->origin);
+ if (p_node->selected) {
+ p_sel_nodes ++;
+ p_sel_range = p_range;
+ }
+ if (p_node == n_node) {
+ n_going = false;
+ p_going = false;
+ }
}
- if (p_node == n_node) {
+ } while (n_going || p_going);
+ }
+
+ // Second pass: actually move nodes in this subpath
+ sp_nodepath_move_node_and_handles (n, delta, delta, delta);
+ {
+ double n_range = 0, p_range = 0;
+ bool n_going = true, p_going = true;
+ Inkscape::NodePath::Node *n_node = n;
+ Inkscape::NodePath::Node *p_node = n;
+ do {
+ // Do one step in both directions from n, until reaching the end of subpath or bumping into each other
+ if (n_node && n_going)
+ n_node = n_node->n.other;
+ if (n_node == NULL) {
n_going = false;
+ } else {
+ n_range += bezier_length (n_node->p.other->origin, n_node->p.other->n.origin, n_node->p.origin, n_node->origin);
+ if (n_node->selected) {
+ sp_nodepath_move_node_and_handles (n_node,
+ sculpt_profile (n_range / n_sel_range, alpha, profile) * delta,
+ sculpt_profile ((n_range + NR::L2(n_node->n.origin - n_node->origin)) / n_sel_range, alpha, profile) * delta,
+ sculpt_profile ((n_range - NR::L2(n_node->p.origin - n_node->origin)) / n_sel_range, alpha, profile) * delta);
+ }
+ if (n_node == p_node) {
+ n_going = false;
+ p_going = false;
+ }
+ }
+ if (p_node && p_going)
+ p_node = p_node->p.other;
+ if (p_node == NULL) {
p_going = false;
+ } else {
+ p_range += bezier_length (p_node->n.other->origin, p_node->n.other->p.origin, p_node->n.origin, p_node->origin);
+ if (p_node->selected) {
+ sp_nodepath_move_node_and_handles (p_node,
+ sculpt_profile (p_range / p_sel_range, alpha, profile) * delta,
+ sculpt_profile ((p_range - NR::L2(p_node->n.origin - p_node->origin)) / p_sel_range, alpha, profile) * delta,
+ sculpt_profile ((p_range + NR::L2(p_node->p.origin - p_node->origin)) / p_sel_range, alpha, profile) * delta);
+ }
+ if (p_node == n_node) {
+ n_going = false;
+ p_going = false;
+ }
}
- }
- } while (n_going || p_going);
- }
+ } while (n_going || p_going);
+ }
- // Second pass: actually move nodes
- sp_nodepath_move_node_and_handles (n, delta, delta, delta);
- {
- double n_range = 0, p_range = 0;
- bool n_going = true, p_going = true;
- Inkscape::NodePath::Node *n_node = n;
- Inkscape::NodePath::Node *p_node = n;
- do {
- // Do one step in both directions from n, until reaching the end of subpath or bumping into each other
- if (n_node && n_going)
- n_node = n_node->n.other;
- if (n_node == NULL) {
- n_going = false;
- } else {
- n_range += bezier_length (n_node->p.other->origin, n_node->p.other->n.origin, n_node->p.origin, n_node->origin);
- if (n_node->selected) {
- sp_nodepath_move_node_and_handles (n_node,
- sculpt_profile (n_range / n_sel_range, alpha) * delta,
- sculpt_profile ((n_range + NR::L2(n_node->n.origin - n_node->origin)) / n_sel_range, alpha) * delta,
- sculpt_profile ((n_range - NR::L2(n_node->p.origin - n_node->origin)) / n_sel_range, alpha) * delta);
- }
- if (n_node == p_node) {
- n_going = false;
- p_going = false;
+ } else {
+ // Multiple subpaths have selected nodes:
+ // use spatial mode, where the distance from n to node being dragged is measured directly as NR::L2.
+ // TODO: correct these distances taking into account their angle relative to the bisector, so as to
+ // fix the pear-like shape when sculpting e.g. a ring
+
+ // First pass: calculate range
+ gdouble direct_range = 0;
+ for (GList *spl = nodepath->subpaths; spl != NULL; spl = spl->next) {
+ Inkscape::NodePath::SubPath *subpath = (Inkscape::NodePath::SubPath *) spl->data;
+ for (GList *nl = subpath->nodes; nl != NULL; nl = nl->next) {
+ Inkscape::NodePath::Node *node = (Inkscape::NodePath::Node *) nl->data;
+ if (node->selected) {
+ direct_range = MAX(direct_range, NR::L2(node->origin - n->origin));
}
}
- if (p_node && p_going)
- p_node = p_node->p.other;
- if (p_node == NULL) {
- p_going = false;
- } else {
- p_range += bezier_length (p_node->n.other->origin, p_node->n.other->p.origin, p_node->n.origin, p_node->origin);
- if (p_node->selected) {
- sp_nodepath_move_node_and_handles (p_node,
- sculpt_profile (p_range / p_sel_range, alpha) * delta,
- sculpt_profile ((p_range - NR::L2(p_node->n.origin - p_node->origin)) / p_sel_range, alpha) * delta,
- sculpt_profile ((p_range + NR::L2(p_node->p.origin - p_node->origin)) / p_sel_range, alpha) * delta);
- }
- if (p_node == n_node) {
- n_going = false;
- p_going = false;
+ }
+
+ // Second pass: actually move nodes
+ for (GList *spl = nodepath->subpaths; spl != NULL; spl = spl->next) {
+ Inkscape::NodePath::SubPath *subpath = (Inkscape::NodePath::SubPath *) spl->data;
+ for (GList *nl = subpath->nodes; nl != NULL; nl = nl->next) {
+ Inkscape::NodePath::Node *node = (Inkscape::NodePath::Node *) nl->data;
+ if (node->selected) {
+ if (direct_range > 1e-6) {
+ sp_nodepath_move_node_and_handles (node,
+ sculpt_profile (NR::L2(node->origin - n->origin) / direct_range, alpha, profile) * delta,
+ sculpt_profile (NR::L2(node->n.origin - n->origin) / direct_range, alpha, profile) * delta,
+ sculpt_profile (NR::L2(node->p.origin - n->origin) / direct_range, alpha, profile) * delta);
+ } else {
+ sp_nodepath_move_node_and_handles (node, delta, delta, delta);
+ }
+
}
}
- } while (n_going || p_going);
+ }
}
// do not update repr here so that node dragging is acceptably fast
@@ -1250,6 +1351,9 @@ static void sp_node_update_handles(Inkscape::NodePath::Node *node, bool fire_mov
if (node->n.other->selected) show_handles = TRUE;
}
+ if (node->subpath->nodepath->show_handles == false)
+ show_handles = FALSE;
+
sp_node_update_handle(node, -1, show_handles, fire_move_signals);
sp_node_update_handle(node, 1, show_handles, fire_move_signals);
}
}
}
+void
+sp_nodepath_show_handles(bool show)
+{
+ Inkscape::NodePath::Path *nodepath = sp_nodepath_current();
+ if (nodepath == NULL) return;
+
+ nodepath->show_handles = show;
+ sp_nodepath_update_handles(nodepath);
+}
+
/**
* Adds all selected nodes in nodepath to list.
*/
if ((n->n.other && n->n.other->code == NR_LINETO) || fabs(yn) + fabs(xn) < 1e-6) {
if (n->n.other) { // if there is the next point
if (L2(n->n.other->p.pos - n->n.other->pos) < 1e-6) // and the next point has no handle either
- yn = n->n.other->pos[NR::Y] - n->origin[NR::Y]; // use origin because otherwise the direction will change as you drag
- xn = n->n.other->pos[NR::X] - n->origin[NR::X];
+ yn = n->n.other->origin[NR::Y] - n->origin[NR::Y]; // use origin because otherwise the direction will change as you drag
+ xn = n->n.other->origin[NR::X] - n->origin[NR::X];
}
}
if (xn < 0) { xn = -xn; yn = -yn; } // limit the angle to between 0 and pi
if (n->code == NR_LINETO || fabs(yp) + fabs(xp) < 1e-6) {
if (n->p.other) {
if (L2(n->p.other->n.pos - n->p.other->pos) < 1e-6)
- yp = n->p.other->pos[NR::Y] - n->origin[NR::Y];
- xp = n->p.other->pos[NR::X] - n->origin[NR::X];
+ yp = n->p.other->origin[NR::Y] - n->origin[NR::Y];
+ xp = n->p.other->origin[NR::X] - n->origin[NR::X];
}
}
if (xp < 0) { xp = -xp; yp = -yp; } // limit the angle to between 0 and pi
@@ -3869,19 +3983,16 @@ static gchar const *sp_node_type_description(Inkscape::NodePath::Node *node)
void
sp_nodepath_update_statusbar(Inkscape::NodePath::Path *nodepath)
{
- gchar const *when_selected = _("<b>Drag</b> nodes or node handles; <b>Alt+drag nodes</b> to sculpt; <b>arrow</b> keys to move nodes, <b>< ></b> to scale, <b>[ ]</b> to rotate");
+ gchar const *when_selected = _("<b>Drag</b> nodes or node handles; <b>Alt+drag</b> nodes to sculpt; <b>arrow</b> keys to move nodes, <b>< ></b> to scale, <b>[ ]</b> to rotate");
gchar const *when_selected_one = _("<b>Drag</b> the node or its handles; <b>arrow</b> keys to move the node");
- gint total = 0;
- gint selected = 0;
- SPDesktop *desktop = NULL;
+ gint total_nodes = sp_nodepath_get_node_count(nodepath);
+ gint selected_nodes = sp_nodepath_selection_get_node_count(nodepath);
+ gint total_subpaths = sp_nodepath_get_subpath_count(nodepath);
+ gint selected_subpaths = sp_nodepath_selection_get_subpath_count(nodepath);
+ SPDesktop *desktop = NULL;
if (nodepath) {
- for (GList *spl = nodepath->subpaths; spl != NULL; spl = spl->next) {
- Inkscape::NodePath::SubPath *subpath = (Inkscape::NodePath::SubPath *) spl->data;
- total += g_list_length(subpath->nodes);
- }
- selected = g_list_length(nodepath->selected);
desktop = nodepath->desktop;
} else {
desktop = SP_ACTIVE_DESKTOP;
Inkscape::MessageContext *mc = SP_NODE_CONTEXT (ec)->_node_message_context;
if (!mc) return;
- if (selected == 0) {
+ if (selected_nodes == 0) {
Inkscape::Selection *sel = desktop->selection;
if (!sel || sel->isEmpty()) {
mc->setF(Inkscape::NORMAL_MESSAGE,
mc->setF(Inkscape::NORMAL_MESSAGE,
ngettext("<b>0</b> out of <b>%i</b> node selected. <b>Click</b>, <b>Shift+click</b>, or <b>drag around</b> nodes to select.",
"<b>0</b> out of <b>%i</b> nodes selected. <b>Click</b>, <b>Shift+click</b>, or <b>drag around</b> nodes to select.",
- total),
- total);
+ total_nodes),
+ total_nodes);
} else {
if (g_slist_length((GSList *)sel->itemList()) == 1) {
mc->setF(Inkscape::NORMAL_MESSAGE, _("Drag the handles of the object to modify it."));
}
}
}
- } else if (nodepath && selected == 1) {
+ } else if (nodepath && selected_nodes == 1) {
mc->setF(Inkscape::NORMAL_MESSAGE,
ngettext("<b>%i</b> of <b>%i</b> node selected; %s. %s.",
"<b>%i</b> of <b>%i</b> nodes selected; %s. %s.",
- total),
- selected, total, sp_node_type_description((Inkscape::NodePath::Node *) nodepath->selected->data), when_selected_one);
+ total_nodes),
+ selected_nodes, total_nodes, sp_node_type_description((Inkscape::NodePath::Node *) nodepath->selected->data), when_selected_one);
} else {
- mc->setF(Inkscape::NORMAL_MESSAGE,
- ngettext("<b>%i</b> of <b>%i</b> node selected. %s.",
- "<b>%i</b> of <b>%i</b> nodes selected. %s.",
- total),
- selected, total, when_selected);
+ if (selected_subpaths > 1) {
+ mc->setF(Inkscape::NORMAL_MESSAGE,
+ ngettext("<b>%i</b> of <b>%i</b> node selected in <b>%i</b> of <b>%i</b> subpaths. %s.",
+ "<b>%i</b> of <b>%i</b> nodes selected in <b>%i</b> of <b>%i</b> subpaths. %s.",
+ total_nodes),
+ selected_nodes, total_nodes, selected_subpaths, total_subpaths, when_selected);
+ } else {
+ mc->setF(Inkscape::NORMAL_MESSAGE,
+ ngettext("<b>%i</b> of <b>%i</b> node selected. %s.",
+ "<b>%i</b> of <b>%i</b> nodes selected. %s.",
+ total_nodes),
+ selected_nodes, total_nodes, when_selected);
+ }
}
}