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authorKarl Berry <karl@freefriends.org>2010-07-04 17:26:20 +0000
committerKarl Berry <karl@freefriends.org>2010-07-04 17:26:20 +0000
commit15807e15ade01ea275cb91ba5ea6b660b996406f (patch)
treed929429372f1984140fc0384c2fb73e4845a48a8 /Build/source/utils/asymptote/base/three_surface.asy
parentea6aa8ed9ddfe75f76b6bf23e5b8737230be98e7 (diff)
asy 2.00
git-svn-id: svn://tug.org/texlive/trunk@19227 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/base/three_surface.asy')
-rw-r--r--Build/source/utils/asymptote/base/three_surface.asy30
1 files changed, 17 insertions, 13 deletions
diff --git a/Build/source/utils/asymptote/base/three_surface.asy b/Build/source/utils/asymptote/base/three_surface.asy
index 6d0c54d2479..8e48b0606a3 100644
--- a/Build/source/utils/asymptote/base/three_surface.asy
+++ b/Build/source/utils/asymptote/base/three_surface.asy
@@ -1403,16 +1403,16 @@ surface align(surface s, transform3 t=identity4, triple position,
return shift(position+align*labelmargin(p))*t*shift(-a)*s;
}
-surface surface(Label L, triple position=O)
+surface surface(Label L, triple position=O, bool bbox=false)
{
- surface s=surface(texpath(L));
+ surface s=surface(texpath(L,bbox=bbox));
return L.align.is3D ? align(s,L.T3,position,L.align.dir3,L.p) :
shift(position)*L.T3*s;
}
private path[] path(Label L, pair z=0, projection P)
{
- path[] g=texpath(L);
+ path[] g=texpath(L,bbox=P.bboxonly);
return L.align.is3D ? align(g,z,project(L.align.dir3,P)-project(O,P),L.p) :
shift(z)*g;
}
@@ -1433,7 +1433,7 @@ void label(frame f, Label L, triple position, align align=NoAlign,
begingroup3(f,name == "" ? L.s : name,render);
if(is3D()) {
bool lighton=light.on();
- for(patch S : surface(L,position).s) {
+ for(patch S : surface(L,position,bbox=P.bboxonly).s) {
draw3D(f,S,position,L.p,light,interaction);
if(render.labelfill && !lighton) // Fill subdivision cracks
_draw(f,S.external(),position,L.p,interaction.type);
@@ -1465,7 +1465,8 @@ void label(picture pic=currentpicture, Label L, triple position,
L.align(align);
L.p(p);
L.position(0);
- pic.add(new void(frame f, transform3 t, picture pic, projection P) {
+
+ pic.add(new void(frame f, transform3 t, picture pic2, projection P) {
// Handle relative projected 3D alignments.
Label L=L.copy();
triple v=t*position;
@@ -1478,29 +1479,29 @@ void label(picture pic=currentpicture, Label L, triple position,
if(L.defaulttransform3)
L.T3=transform3(P);
- surface S=surface(L,v);
begingroup3(f,name == "" ? L.s : name,render,v,interaction.type);
bool lighton=light.on();
+
if(is3D()) {
- for(patch S : surface(L,v).s) {
+ for(patch S : surface(L,v,bbox=P.bboxonly).s) {
draw3D(f,S,v,L.p,light,interaction);
if(render.labelfill && !lighton) // Fill subdivision cracks
_draw(f,S.external(),v,L.p,interaction.type);
}
}
- if(pic != null) {
+ if(pic2 != null) {
pen p=color(L.T3*Z,L.p,light,shiftless(P.T.modelview));
if(L.defaulttransform3) {
if(L.filltype == NoFill)
- fill(project(v,P.t),pic,path(L,P),p);
+ fill(project(v,P.t),pic2,path(L,P),p);
else {
picture d;
fill(project(v,P.t),d,path(L,P),p);
- add(pic,d,L.filltype);
+ add(pic2,d,L.filltype);
}
} else
- pic.add(new void(frame f, transform T) {
+ pic2.add(new void(frame f, transform T) {
for(patch S : surface(L,v).s)
fill(f,T*project(S.external(),P,1),p);
});
@@ -1510,10 +1511,11 @@ void label(picture pic=currentpicture, Label L, triple position,
},!L.defaulttransform3);
Label L=L.copy();
+
if(interaction.targetsize && settings.render != 0)
L.T=L.T*scale(abs(currentprojection.camera-position)/
abs(currentprojection.vector()));
- path[] g=texpath(L);
+ path[] g=texpath(L,bbox=true);
if(g.length == 0 || (g.length == 1 && size(g[0]) == 0)) return;
if(L.defaulttransform3)
L.T3=transform3(currentprojection);
@@ -1580,8 +1582,10 @@ surface surface(Label L, surface s, real uoffset, real voffset,
real u=uoffset+(z.x-m.x)/lambda.x;
real v=voffset+(z.y-m.y)/lambda.y;
if(((u < 0 || u >= nu) && !s.ucyclic()) ||
- ((v < 0 || v >= nv) && !s.vcyclic()))
+ ((v < 0 || v >= nv) && !s.vcyclic())) {
warning("cannotfit","cannot fit string to surface");
+ u=v=0;
+ }
return s.point(u,v)+height*unit(s.normal(u,v));
});
}