void
pcl_mark_page_for_current_pos(pcl_state_t * pcs)
{
/* nothing to do */
if (pcs->page_marked)
return;
/* convert current point to device space and check if it is inside
device rectangle for the page */
{
gs_fixed_rect page_box;
gs_fixed_point pt;
int code;
code = gx_default_clip_box(pcs->pgs, &page_box);
if (code < 0)
/* shouldn't happen. */
return;
code = gx_path_current_point(gx_current_path(pcs->pgs), &pt);
if (code < 0)
/* shouldn't happen */
return;
/* half-open lower - not sure this is correct */
if (pt.x >= page_box.p.x && pt.y >= page_box.p.y &&
pt.x < page_box.q.x && pt.y < page_box.q.y)
pcs->page_marked = true;
}
}
int
gs_initclip(gs_state * pgs)
{
gs_fixed_rect box;
int code = gx_default_clip_box(pgs, &box);
if (code < 0)
return code;
return gx_clip_to_rectangle(pgs, &box);
}
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);
}