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-rw-r--r--src/box3d.cpp98
1 files changed, 49 insertions, 49 deletions
diff --git a/src/box3d.cpp b/src/box3d.cpp
index a517ea0a2..6f4253cab 100644
--- a/src/box3d.cpp
+++ b/src/box3d.cpp
@@ -403,13 +403,13 @@ box3d_get_proj_corner (SPBox3D const *box, guint id) {
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 {
@@ -427,13 +427,13 @@ box3d_get_proj_center (SPBox3D *box) {
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 +461,12 @@ 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 +476,7 @@ 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);
@@ -515,7 +515,7 @@ 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 +526,7 @@ 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();
@@ -555,7 +555,7 @@ box3d_set_corner (SPBox3D *box, const guint id, NR::Point const &new_pos, const
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));
@@ -577,7 +577,7 @@ box3d_set_corner (SPBox3D *box, const guint id, NR::Point const &new_pos, const
// 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 +610,7 @@ 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 +631,7 @@ 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);
@@ -708,8 +708,8 @@ box3d_XY_axes_are_swapped (SPBox3D *box) {
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();
@@ -750,9 +750,9 @@ box3d_swap_z_orders (int z_orders[6]) {
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 +795,7 @@ 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;
@@ -867,10 +867,10 @@ static void
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);
@@ -1002,13 +1002,13 @@ box3d_recompute_z_orders (SPBox3D *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])) {
@@ -1048,16 +1048,16 @@ box3d_recompute_z_orders (SPBox3D *box) {
* 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 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[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]);
- NR::Point c3 = box3d_get_corner_screen(box, 3, false);
+ Geom::Point c3 = box3d_get_corner_screen(box, 3, false);
Geom::Point corner3(c3[NR::X], c3[NR::Y]);
if (box3d_half_line_crosses_joining_line (corner3, vpx, vpy, vpz)) {
@@ -1076,9 +1076,9 @@ box3d_recompute_z_orders (SPBox3D *box) {
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]);
@@ -1188,19 +1188,19 @@ box3d_set_z_orders (SPBox3D *box) {
// 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 +1208,7 @@ 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 +1341,8 @@ 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);
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-19 18:52:57 +0000