/* RO; */
int
hpgl_RO(hpgl_args_t *pargs, hpgl_state_t *pgls)
{
int angle=0;
gs_point point, dev_pt;
/* this business is used by both SC and RO -- perhaps it needs
a new home */
hpgl_call(hpgl_set_ctm(pgls));
hpgl_call(hpgl_get_current_position(pgls, &point));
hpgl_call(gs_transform(pgls->pgs, point.x, point.y, &dev_pt));
if ( hpgl_arg_c_int(pgls->memory, pargs, &angle) )
switch ( angle )
{
case 0: case 90: case 180: case 270:
break;
default:
return e_Range;
}
if ( angle != pgls->g.rotation )
{
hpgl_call(hpgl_draw_current_path(pgls, hpgl_rm_vector));
pgls->g.rotation = angle;
hpgl_call(hpgl_set_ctm(pgls));
hpgl_call(gs_itransform(pgls->pgs, dev_pt.x, dev_pt.y, &point));
hpgl_call(hpgl_set_current_position(pgls, &point));
hpgl_call(hpgl_update_carriage_return_pos(pgls));
}
return 0;
}
/* IW; */
int
hpgl_IW(hpgl_args_t *pargs, hpgl_state_t *pgls)
{ hpgl_real_t wxy[4];
int i;
gs_int_rect win;
hpgl_call(hpgl_draw_current_path(pgls, hpgl_rm_vector));
/* get the default picture frame coordinates. */
hpgl_call(hpgl_picture_frame_coords(pgls, &win));
wxy[0] = win.p.x;
wxy[1] = win.p.y;
wxy[2] = win.q.x;
wxy[3] = win.q.y;
for ( i = 0; i < 4 && hpgl_arg_units(pgls->memory, pargs, &wxy[i]); ++i )
;
if ( i & 3 )
return e_Range;
/* no args case disables the soft clip window */
if ( i == 0 ) {
pgls->g.soft_clip_window.active = false;
pgls->g.soft_clip_window.isbound = false;
return 0;
}
/* HAS needs error checking */
pgls->g.soft_clip_window.rect.p.x = wxy[0];
pgls->g.soft_clip_window.rect.p.y = wxy[1];
pgls->g.soft_clip_window.rect.q.x = wxy[2];
pgls->g.soft_clip_window.rect.q.y = wxy[3];
pgls->g.soft_clip_window.active = true;
return 0;
}
/* PG; */
int
hpgl_PG(hpgl_args_t *pargs, hpgl_state_t *pgls)
{
if ( pgls->personality == rtl ) {
int dummy;
hpgl_call(hpgl_draw_current_path(pgls, hpgl_rm_vector));
/* with parameter always feed, without parameter feed if marked */
if ( pcl_page_marked(pgls) || hpgl_arg_c_int(pgls->memory, pargs, &dummy) )
hpgl_call(pcl_do_FF(pgls));
}
return 0;
}
/*
* NP [n];
*/
int
hpgl_NP(hpgl_args_t * pargs, hpgl_state_t * pgls)
{
int32 n = 8;
if (pgls->personality == pcl5e)
return 0;
/* output any current path */
hpgl_call(hpgl_draw_current_path(pgls, hpgl_rm_vector));
if (hpgl_arg_int(pgls->memory, pargs, &n) && ((n < 2) || (n > 32768)))
return e_Range;
return pcl_palette_NP(pgls, n);
}
/*
* PC [pen[,primary1,primary2,primary3];
*/
static int
hpgl_PC(hpgl_args_t * pargs, hpgl_state_t * pgls)
{
int32 pen;
int32 npen = pcl_palette_get_num_entries(pgls->ppalet);
if (pgls->personality == pcl5e)
return 0;
/* output any current path */
hpgl_call(hpgl_draw_current_path(pgls, hpgl_rm_vector));
if (hpgl_arg_int(pgls->memory, pargs, &pen)) {
hpgl_real_t primary[3];
if ((pen < 0) || (pen >= npen))
return e_Range;
if (hpgl_arg_c_real(pgls->memory, pargs, &primary[0])) {
float comps[3];
if (!hpgl_arg_c_real(pgls->memory, pargs, &primary[1]) ||
!hpgl_arg_c_real(pgls->memory, pargs, &primary[2]))
return e_Range;
comps[0] = primary[0];
comps[1] = primary[1];
comps[2] = primary[2];
return pcl_palette_set_color(pgls, pen, comps);
} else
return pcl_palette_set_default_color(pgls, pen);
} else {
int i;
int code;
for (i = 0; i < npen; ++i) {
if ((code = pcl_palette_set_default_color(pgls, i)) < 0)
return code;
}
}
return 0;
}
/* IP; */
int
hpgl_IP(hpgl_args_t *pargs, hpgl_state_t *pgls)
{ int32 ptxy[4];
int i;
gs_int_rect win;
/* draw the current path */
hpgl_call(hpgl_draw_current_path(pgls, hpgl_rm_vector));
/* get the default picture frame coordinates */
hpgl_call(hpgl_picture_frame_coords(pgls, &win));
/* round the picture frame coordinates */
ptxy[0] = win.p.x; ptxy[1] = win.p.y;
ptxy[2] = win.q.x; ptxy[3] = win.q.y;
for ( i = 0; i < 4 && hpgl_arg_int(pgls->memory, pargs, &ptxy[i]); ++i )
;
if ( i & 1 )
return e_Range;
if ( i == 2 )
{
pgls->g.P2.x = (ptxy[0] - pgls->g.P1.x) +
pgls->g.P2.x;
pgls->g.P2.y = (ptxy[1] - pgls->g.P1.y) +
pgls->g.P2.y;
pgls->g.P1.x = ptxy[0];
pgls->g.P1.y = ptxy[1];
}
else
{
pgls->g.P1.x = ptxy[0];
pgls->g.P1.y = ptxy[1];
pgls->g.P2.x = ptxy[2];
pgls->g.P2.y = ptxy[3];
}
/* if either coordinate is equal it is incremented by 1 */
if ( pgls->g.P1.x == pgls->g.P2.x ) pgls->g.P2.x++;
if ( pgls->g.P1.y == pgls->g.P2.y ) pgls->g.P2.y++;
return 0;
}
/* SC; */
int
hpgl_SC(hpgl_args_t *pargs, hpgl_state_t *pgls)
{ hpgl_real_t xy[4];
int i;
int type;
hpgl_scaling_params_t scale_params;
gs_point point, dev_pt, dev_anchor;
scale_params = pgls->g.scaling_params;
hpgl_call(hpgl_get_current_position(pgls, &point));
hpgl_call(gs_transform(pgls->pgs, point.x, point.y, &dev_pt));
hpgl_call(gs_transform(pgls->pgs, pgls->g.anchor_corner.x,
pgls->g.anchor_corner.y, &dev_anchor));
for ( i = 0; i < 4 && hpgl_arg_real(pgls->memory, pargs, &xy[i]); ++i )
;
switch ( i )
{
case 0: /* set defaults */
{
/* a naked SC implies the soft clip window is bound
to plotter units. */
gs_matrix umat;
type = hpgl_scaling_none;
hpgl_compute_user_units_to_plu_ctm(pgls, &umat);
/* in-place */
hpgl_call(gs_bbox_transform(&pgls->g.soft_clip_window.rect,
&umat,
&pgls->g.soft_clip_window.rect));
pgls->g.soft_clip_window.isbound = true;
break;
}
default:
return e_Range;
case 4:
type = hpgl_scaling_anisotropic;
hpgl_arg_c_int(pgls->memory, pargs, &type);
switch ( type )
{
case hpgl_scaling_anisotropic: /* 0 */
if ( xy[0] == xy[1] || xy[2] == xy[3] )
return e_Range;
pxy: scale_params.pmin.x = xy[0];
scale_params.pmax.x = xy[1];
scale_params.pmin.y = xy[2];
scale_params.pmax.y = xy[3];
break;
case hpgl_scaling_isotropic: /* 1 */
if ( xy[0] == xy[1] || xy[2] == xy[3] )
return e_Range;
{ hpgl_real_t left = 50, bottom = 50;
if ( (hpgl_arg_c_real(pgls->memory, pargs, &left) &&
(left < 0 || left > 100 ||
!hpgl_arg_c_real(pgls->memory, pargs, &bottom) ||
bottom < 0 || bottom > 100))
)
return e_Range;
scale_params.left = left;
scale_params.bottom = bottom;
}
goto pxy;
case hpgl_scaling_point_factor: /* 2 */
if ( xy[1] == 0 || xy[3] == 0 )
return e_Range;
scale_params.pmin.x = xy[0];
scale_params.factor.x = xy[1];
scale_params.pmin.y = xy[2];
scale_params.factor.y = xy[3];
break;
default:
return e_Range;
}
}
hpgl_call(hpgl_draw_current_path(pgls, hpgl_rm_vector));
pgls->g.scaling_params = scale_params;
pgls->g.scaling_type = type;
hpgl_call(hpgl_set_ctm(pgls));
hpgl_call(gs_itransform(pgls->pgs, dev_pt.x, dev_pt.y, &point));
hpgl_call(hpgl_set_current_position(pgls, &point));
hpgl_call(gs_itransform(pgls->pgs, dev_anchor.x, dev_anchor.y,
&pgls->g.anchor_corner));
/* PCLTRM 23-7 (commands the update cr position) does not list
SC but PCL updates the position */
hpgl_call(hpgl_update_carriage_return_pos(pgls));
return 0;
}
