/* relatives. */
int
gx_path_add_char_path(gx_path * to_path, gx_path * from_path,
gs_char_path_mode mode)
{
int code;
gs_fixed_rect bbox;
switch (mode) {
default: /* shouldn't happen! */
gx_path_new(from_path);
return 0;
case cpm_charwidth: {
gs_fixed_point cpt;
code = gx_path_current_point(from_path, &cpt);
if (code < 0)
break;
return gx_path_add_point(to_path, cpt.x, cpt.y);
}
case cpm_true_charpath:
case cpm_false_charpath:
return gx_path_add_path(to_path, from_path);
case cpm_true_charboxpath:
gx_path_bbox(from_path, &bbox);
code = gx_path_add_rectangle(to_path, bbox.p.x, bbox.p.y,
bbox.q.x, bbox.q.y);
break;
case cpm_false_charboxpath:
gx_path_bbox(from_path, &bbox);
code = gx_path_add_point(to_path, bbox.p.x, bbox.p.y);
if (code >= 0)
code = gx_path_add_line(to_path, bbox.q.x, bbox.q.y);
break;
}
if (code < 0)
return code;
gx_path_new(from_path);
return 0;
}
int
gs_viewclippath(gs_state * pgs)
{
gx_path cpath;
gx_clip_path *pcpath = pgs->view_clip;
int code;
gx_path_init_local(&cpath, pgs->memory);
if (pcpath == 0 || pcpath->rule == 0) {
/* No view clip path is active: fabricate one. */
gs_fixed_rect box;
code = gx_default_clip_box(pgs, &box);
if (code < 0)
return code;
code = gx_path_add_rectangle(&cpath, box.p.x, box.p.y,
box.q.x, box.q.y);
} else {
code = gx_cpath_to_path(pcpath, &cpath);
}
if (code < 0)
return code;
return gx_path_assign_free(pgs->path, &cpath);
}