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diff --git a/src/box3d.cpp b/src/box3d.cpp
index a517ea0a2cbb7c669eb6038c02909595764f5ca5..93efa5c35183589ea7e604066d7afb9d93e8b52d 100644 (file)
--- a/src/box3d.cpp
+++ b/src/box3d.cpp
#include "line-geometry.h"
#include "persp3d-reference.h"
#include "uri.h"
-#include "2geom/geom.h"
+#include <2geom/line.h>
#include "sp-guide.h"
#include "sp-namedview.h"
-#include "prefs-utils.h"
+#include "preferences.h"
#include "desktop.h"
#include "desktop-handles.h"
static Inkscape::XML::Node *box3d_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
static gchar *box3d_description(SPItem *item);
-static NR::Matrix box3d_set_transform(SPItem *item, NR::Matrix const &xform);
+static Geom::Matrix box3d_set_transform(SPItem *item, Geom::Matrix const &xform);
static void box3d_convert_to_guides(SPItem *item);
static void box3d_ref_changed(SPObject *old_ref, SPObject *ref, SPBox3D *box);
}
}
-static NR::Matrix
-box3d_set_transform(SPItem *item, NR::Matrix const &xform)
+static Geom::Matrix
+box3d_set_transform(SPItem *item, Geom::Matrix const &xform)
{
SPBox3D *box = SP_BOX3D(item);
Persp3D *persp = box3d_get_perspective(box);
Persp3D *transf_persp;
- if (!persp3d_has_all_boxes_in_selection (persp)) {
+ if (sp_desktop_document(inkscape_active_desktop()) == SP_OBJECT_DOCUMENT(item) &&
+ !persp3d_has_all_boxes_in_selection (persp)) {
std::list<SPBox3D *> selboxes = sp_desktop_selection(inkscape_active_desktop())->box3DList();
/* create a new perspective as a copy of the current one and link the selected boxes to it */
persp3d_unset_transforms(transf_persp);
}
- NR::Matrix ret(NR::transform(xform));
+ Geom::Matrix ret(Geom::Matrix(xform).without_translation());
gdouble const sw = hypot(ret[0], ret[1]);
gdouble const sh = hypot(ret[2], ret[3]);
}
}
- return NR::identity();
+ return Geom::identity();
}
Proj::Pt3
1.0);
}
-NR::Point
+Geom::Point
box3d_get_corner_screen (SPBox3D const *box, guint id, bool item_coords) {
Proj::Pt3 proj_corner (box3d_get_proj_corner (box, id));
if (!box3d_get_perspective(box)) {
- return NR::Point (NR_HUGE, NR_HUGE);
+ return Geom::Point (NR_HUGE, NR_HUGE);
}
- NR::Matrix const i2d (sp_item_i2d_affine (SP_ITEM(box)));
+ Geom::Matrix const i2d (sp_item_i2d_affine (SP_ITEM(box)));
if (item_coords) {
return box3d_get_perspective(box)->tmat.image(proj_corner).affine() * i2d.inverse();
} else {
1.0);
}
-NR::Point
+Geom::Point
box3d_get_center_screen (SPBox3D *box) {
Proj::Pt3 proj_center (box3d_get_proj_center (box));
if (!box3d_get_perspective(box)) {
- return NR::Point (NR_HUGE, NR_HUGE);
+ return Geom::Point (NR_HUGE, NR_HUGE);
}
- NR::Matrix const i2d (sp_item_i2d_affine (SP_ITEM(box)));
+ Geom::Matrix const i2d (sp_item_i2d_affine (SP_ITEM(box)));
return box3d_get_perspective(box)->tmat.image(proj_center).affine() * i2d.inverse();
}
@@ -461,12 +462,12 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
Proj::Pt3 E_proj (x_coord - diff_x, y_coord + diff_y, z_coord, 1.0);
Persp3D *persp = box3d_get_perspective(box);
- NR::Point A = persp->tmat.image(A_proj).affine();
- NR::Point B = persp->tmat.image(B_proj).affine();
- NR::Point C = persp->tmat.image(C_proj).affine();
- NR::Point D = persp->tmat.image(D_proj).affine();
- NR::Point E = persp->tmat.image(E_proj).affine();
- NR::Point pt = persp->tmat.image(pt_proj).affine();
+ Geom::Point A = persp->tmat.image(A_proj).affine();
+ Geom::Point B = persp->tmat.image(B_proj).affine();
+ Geom::Point C = persp->tmat.image(C_proj).affine();
+ Geom::Point D = persp->tmat.image(D_proj).affine();
+ Geom::Point E = persp->tmat.image(E_proj).affine();
+ Geom::Point pt = persp->tmat.image(pt_proj).affine();
// TODO: Replace these lines between corners with lines from a corner to a vanishing point
// (this might help to prevent rounding errors if the box is small)
@@ -476,7 +477,7 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
Box3D::Line diag2(A, E); // diag2 is only taken into account if id equals -1, i.e., if we are snapping the center
int num_snap_lines = (id != -1) ? 3 : 4;
- NR::Point snap_pts[num_snap_lines];
+ Geom::Point snap_pts[num_snap_lines];
snap_pts[0] = pl1.closest_to (pt);
snap_pts[1] = pl2.closest_to (pt);
@@ -490,7 +491,7 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
// determine the distances to all potential snapping points
double snap_dists[num_snap_lines];
for (int i = 0; i < num_snap_lines; ++i) {
- snap_dists[i] = NR::L2 (snap_pts[i] - pt) * zoom;
+ snap_dists[i] = Geom::L2 (snap_pts[i] - pt) * zoom;
}
// while we are within a given tolerance of the starting point,
@@ -515,7 +516,7 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
// snap to the closest point (or the previously remembered one
// if we are within tolerance of the starting point)
- NR::Point result;
+ Geom::Point result;
if (within_tolerance) {
result = snap_pts[remember_snap_index];
} else {
@@ -526,7 +527,7 @@ box3d_snap (SPBox3D *box, int id, Proj::Pt3 const &pt_proj, Proj::Pt3 const &sta
}
void
-box3d_set_corner (SPBox3D *box, const guint id, NR::Point const &new_pos, const Box3D::Axis movement, bool constrained) {
+box3d_set_corner (SPBox3D *box, const guint id, Geom::Point const &new_pos, const Box3D::Axis movement, bool constrained) {
g_return_if_fail ((movement != Box3D::NONE) && (movement != Box3D::XYZ));
box->orig_corner0.normalize();
Box3D::PerspectiveLine pl(persp->tmat.image(
box3d_get_proj_corner (id, box->save_corner0, box->save_corner7)).affine(),
Proj::Z, persp);
- NR::Point new_pos_snapped(pl.closest_to(new_pos));
+ Geom::Point new_pos_snapped(pl.closest_to(new_pos));
Proj::Pt3 pt_proj (persp->tmat.preimage (new_pos_snapped,
box3d_get_proj_corner (box, id)[(movement & Box3D::Y) ? Proj::X : Proj::Y],
(movement & Box3D::Y) ? Proj::X : Proj::Y));
// FIXME: Should we update the box here? If so, how?
}
-void box3d_set_center (SPBox3D *box, NR::Point const &new_pos, NR::Point const &old_pos, const Box3D::Axis movement, bool constrained) {
+void box3d_set_center (SPBox3D *box, Geom::Point const &new_pos, Geom::Point const &old_pos, const Box3D::Axis movement, bool constrained) {
g_return_if_fail ((movement != Box3D::NONE) && (movement != Box3D::XYZ));
box->orig_corner0.normalize();
@@ -610,7 +611,7 @@ void box3d_set_center (SPBox3D *box, NR::Point const &new_pos, NR::Point const &
double radz = (box->orig_corner7[Proj::Z] - box->orig_corner0[Proj::Z]) / 2;
Box3D::PerspectiveLine pl(old_pos, Proj::Z, persp);
- NR::Point new_pos_snapped(pl.closest_to(new_pos));
+ Geom::Point new_pos_snapped(pl.closest_to(new_pos));
Proj::Pt3 pt_proj (persp->tmat.preimage (new_pos_snapped, coord, Proj::X));
/* normalizing pt_proj is essential because we want to mingle affine coordinates */
@@ -631,7 +632,7 @@ void box3d_set_center (SPBox3D *box, NR::Point const &new_pos, NR::Point const &
* from which the perspective lines in the direction of 'axis' emerge
*/
void box3d_corners_for_PLs (const SPBox3D * box, Proj::Axis axis,
- NR::Point &corner1, NR::Point &corner2, NR::Point &corner3, NR::Point &corner4)
+ Geom::Point &corner1, Geom::Point &corner2, Geom::Point &corner3, Geom::Point &corner4)
{
Persp3D *persp = box3d_get_perspective(box);
g_return_if_fail (persp);
static bool
box3d_half_line_crosses_joining_line (Geom::Point const &A, Geom::Point const &B,
Geom::Point const &C, Geom::Point const &D) {
- Geom::Point E; // the point of intersection
Geom::Point n0 = (B - A).ccw();
double d0 = dot(n0,A);
Geom::Point n1 = (D - C).ccw();
double d1 = dot(n1,C);
- Geom::IntersectorKind intersects = Geom::line_intersection(n0, d0, n1, d1, E);
- if (intersects == Geom::coincident || intersects == Geom::parallel) {
+
+ Geom::Line lineAB(A,B);
+ Geom::Line lineCD(C,D);
+
+ Geom::OptCrossing inters = Geom::OptCrossing(); // empty by default
+ try
+ {
+ inters = Geom::intersection(lineAB, lineCD);
+ }
+ catch (Geom::InfiniteSolutions e)
+ {
+ // We're probably dealing with parallel lines, so they don't really cross
+ return false;
+ }
+
+ if (!inters) {
return false;
}
+ Geom::Point E = lineAB.pointAt((*inters).ta); // the point of intersection
+
if ((dot(C,n0) < d0) == (dot(D,n0) < d0)) {
// C and D lie on the same side of the line AB
return false;
g_return_val_if_fail(persp, false);
Box3D::PerspectiveLine l1(box3d_get_corner_screen(box, 3, false), Proj::X, persp);
Box3D::PerspectiveLine l2(box3d_get_corner_screen(box, 3, false), Proj::Y, persp);
- NR::Point v1(l1.direction());
- NR::Point v2(l2.direction());
+ Geom::Point v1(l1.direction());
+ Geom::Point v2(l2.direction());
v1.normalize();
v2.normalize();
- return (v1[NR::X]*v2[NR::Y] - v1[NR::Y]*v2[NR::X] > 0);
+ return (v1[Geom::X]*v2[Geom::Y] - v1[Geom::Y]*v2[Geom::X] > 0);
}
static inline void
static void
box3d_set_new_z_orders_case0 (SPBox3D *box, int z_orders[6], Box3D::Axis central_axis) {
Persp3D *persp = box3d_get_perspective(box);
- NR::Point xdir(persp3d_get_infinite_dir(persp, Proj::X));
- NR::Point ydir(persp3d_get_infinite_dir(persp, Proj::Y));
- NR::Point zdir(persp3d_get_infinite_dir(persp, Proj::Z));
+ Geom::Point xdir(persp3d_get_infinite_dir(persp, Proj::X));
+ Geom::Point ydir(persp3d_get_infinite_dir(persp, Proj::Y));
+ Geom::Point zdir(persp3d_get_infinite_dir(persp, Proj::Z));
bool swapped = box3d_XY_axes_are_swapped(box);
@@ -795,7 +811,7 @@ box3d_set_new_z_orders_case0 (SPBox3D *box, int z_orders[6], Box3D::Axis central
static void
box3d_set_new_z_orders_case1 (SPBox3D *box, int z_orders[6], Box3D::Axis central_axis, Box3D::Axis fin_axis) {
Persp3D *persp = box3d_get_perspective(box);
- NR::Point vp(persp3d_get_VP(persp, Box3D::toProj(fin_axis)).affine());
+ Geom::Point vp(persp3d_get_VP(persp, Box3D::toProj(fin_axis)).affine());
// note: in some of the case distinctions below we rely upon the fact that oaxis1 and oaxis2 are ordered
Box3D::Axis oaxis1 = Box3D::get_remaining_axes(fin_axis).first;
box3d_set_new_z_orders_case2 (SPBox3D *box, int z_orders[6], Box3D::Axis central_axis, Box3D::Axis /*infinite_axis*/) {
Persp3D *persp = box3d_get_perspective(box);
- NR::Point c3(box3d_get_corner_screen(box, 3, false));
- NR::Point xdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::X));
- NR::Point ydir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Y));
- NR::Point zdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Z));
+ Geom::Point c3(box3d_get_corner_screen(box, 3, false));
+ Geom::Point xdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::X));
+ Geom::Point ydir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Y));
+ Geom::Point zdir(persp3d_get_PL_dir_from_pt(persp, c3, Proj::Z));
bool swapped = box3d_XY_axes_are_swapped(box);
int z_orders[6];
- NR::Point c3(box3d_get_corner_screen(box, 3, false));
+ Geom::Point c3(box3d_get_corner_screen(box, 3, false));
// determine directions from corner3 to the VPs
int num_finite = 0;
Box3D::Axis axis_finite = Box3D::NONE;
Box3D::Axis axis_infinite = Box3D::NONE;
- NR::Point dirs[3];
+ Geom::Point dirs[3];
for (int i = 0; i < 3; ++i) {
dirs[i] = persp3d_get_PL_dir_from_pt(persp, c3, Box3D::toProj(Box3D::axes[i]));
if (persp3d_VP_is_finite(persp, Proj::axes[i])) {
* joining the other two VPs. If this is the case, it determines the "central" corner from
* which the visible sides can be deduced. Otherwise, corner3 is the central corner.
*/
- // FIXME: We should eliminate the use of NR::Point altogether
+ // FIXME: We should eliminate the use of Geom::Point altogether
Box3D::Axis central_axis = Box3D::NONE;
- NR::Point vp_x = persp3d_get_VP(persp, Proj::X).affine();
- NR::Point vp_y = persp3d_get_VP(persp, Proj::Y).affine();
- NR::Point vp_z = persp3d_get_VP(persp, Proj::Z).affine();
- Geom::Point vpx(vp_x[NR::X], vp_x[NR::Y]);
- Geom::Point vpy(vp_y[NR::X], vp_y[NR::Y]);
- Geom::Point vpz(vp_z[NR::X], vp_z[NR::Y]);
+ Geom::Point vp_x = persp3d_get_VP(persp, Proj::X).affine();
+ Geom::Point vp_y = persp3d_get_VP(persp, Proj::Y).affine();
+ Geom::Point vp_z = persp3d_get_VP(persp, Proj::Z).affine();
+ Geom::Point vpx(vp_x[Geom::X], vp_x[Geom::Y]);
+ Geom::Point vpy(vp_y[Geom::X], vp_y[Geom::Y]);
+ Geom::Point vpz(vp_z[Geom::X], vp_z[Geom::Y]);
- NR::Point c3 = box3d_get_corner_screen(box, 3, false);
- Geom::Point corner3(c3[NR::X], c3[NR::Y]);
+ Geom::Point c3 = box3d_get_corner_screen(box, 3, false);
+ Geom::Point corner3(c3[Geom::X], c3[Geom::Y]);
if (box3d_half_line_crosses_joining_line (corner3, vpx, vpy, vpz)) {
central_axis = Box3D::X;
central_corner = central_corner ^ Box3D::XYZ;
}
- NR::Point c1(box3d_get_corner_screen(box, 1, false));
- NR::Point c2(box3d_get_corner_screen(box, 2, false));
- NR::Point c7(box3d_get_corner_screen(box, 7, false));
+ Geom::Point c1(box3d_get_corner_screen(box, 1, false));
+ Geom::Point c2(box3d_get_corner_screen(box, 2, false));
+ Geom::Point c7(box3d_get_corner_screen(box, 7, false));
- Geom::Point corner1(c1[NR::X], c1[NR::Y]);
- Geom::Point corner2(c2[NR::X], c2[NR::Y]);
- Geom::Point corner7(c7[NR::X], c7[NR::Y]);
+ Geom::Point corner1(c1[Geom::X], c1[Geom::Y]);
+ Geom::Point corner2(c2[Geom::X], c2[Geom::Y]);
+ Geom::Point corner7(c7[Geom::X], c7[Geom::Y]);
// FIXME: At present we don't use the information about central_corner computed above.
switch (central_axis) {
case Box3D::Y:
// TODO: Maybe it would be useful to have a similar method for projective points pt because then we
// can use it for VPs and perhaps merge the case distinctions during z-order recomputation.
int
-box3d_pt_lies_in_PL_sector (SPBox3D const *box, NR::Point const &pt, int id1, int id2, Box3D::Axis axis) {
+box3d_pt_lies_in_PL_sector (SPBox3D const *box, Geom::Point const &pt, int id1, int id2, Box3D::Axis axis) {
Persp3D *persp = box3d_get_perspective(box);
// the two corners
- NR::Point c1(box3d_get_corner_screen(box, id1, false));
- NR::Point c2(box3d_get_corner_screen(box, id2, false));
+ Geom::Point c1(box3d_get_corner_screen(box, id1, false));
+ Geom::Point c2(box3d_get_corner_screen(box, id2, false));
int ret = 0;
if (persp3d_VP_is_finite(persp, Box3D::toProj(axis))) {
- NR::Point vp(persp3d_get_VP(persp, Box3D::toProj(axis)).affine());
- NR::Point v1(c1 - vp);
- NR::Point v2(c2 - vp);
- NR::Point w(pt - vp);
+ Geom::Point vp(persp3d_get_VP(persp, Box3D::toProj(axis)).affine());
+ Geom::Point v1(c1 - vp);
+ Geom::Point v2(c2 - vp);
+ Geom::Point w(pt - vp);
ret = static_cast<int>(Box3D::lies_in_sector(v1, v2, w));
} else {
Box3D::PerspectiveLine pl1(c1, Box3D::toProj(axis), persp);
@@ -1208,7 +1224,7 @@ box3d_pt_lies_in_PL_sector (SPBox3D const *box, NR::Point const &pt, int id1, in
if (pl1.lie_on_same_side(pt, c2) && pl2.lie_on_same_side(pt, c1)) {
// test whether pt lies "towards" or "away from" the VP
Box3D::Line edge(c1,c2);
- NR::Point c3(box3d_get_corner_screen(box, id1 ^ axis, false));
+ Geom::Point c3(box3d_get_corner_screen(box, id1 ^ axis, false));
if (edge.lie_on_same_side(pt, c3)) {
ret = 1;
} else {
@@ -1341,8 +1357,8 @@ box3d_switch_perspectives(SPBox3D *box, Persp3D *old_persp, Persp3D *new_persp,
box->orig_corner7.normalize();
double z0 = box->orig_corner0[Proj::Z];
double z7 = box->orig_corner7[Proj::Z];
- NR::Point corner0_screen = box3d_get_corner_screen(box, 0, false);
- NR::Point corner7_screen = box3d_get_corner_screen(box, 7, false);
+ Geom::Point corner0_screen = box3d_get_corner_screen(box, 0, false);
+ Geom::Point corner7_screen = box3d_get_corner_screen(box, 7, false);
box->orig_corner0 = new_persp->tmat.preimage(corner0_screen, z0, Proj::Z);
box->orig_corner7 = new_persp->tmat.preimage(corner7_screen, z7, Proj::Z);
@@ -1415,8 +1431,9 @@ box3d_push_back_corner_pair(SPBox3D *box, std::list<std::pair<Geom::Point, Geom:
void
box3d_convert_to_guides(SPItem *item) {
SPBox3D *box = SP_BOX3D(item);
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
- if (prefs_get_int_attribute("tools.shapes.3dbox", "convertguides", 1) == 0) {
+ if (!prefs->getBool("/tools/shapes/3dbox/convertguides", true)) {
sp_item_convert_to_guides(SP_ITEM(box));
return;
}