Ported to Scheme48.

This commit is contained in:
uid52805 2001-07-04 14:21:56 +00:00
parent 732288dd13
commit 743f003202
1 changed files with 264 additions and 213 deletions

View File

@ -1,267 +1,318 @@
#include "xlib.h"
#include "scheme48.h"
extern XDrawPoints(), XDrawLines(), XDrawRectangle(), XFillRectangle();
extern XDrawRectangles(), XFillRectangles(), XDrawArc(), XFillArc();
extern XDrawArcs(), XFillArcs(), XFillPolygon();
static s48_value P_Clear_Area (win, x, y, w, h, e) s48_value win, x, y, w, h, e; {
Check_Type (win, T_Window);
Check_Type (e, T_Boolean);
XClearArea (WINDOW(win)->dpy, WINDOW(win)->win, (int)s48_extract_integer (x),
(int)s48_extract_integer (y), (int)s48_extract_integer (w), (int)s48_extract_integer (h), S48_EQ_P(e, S48_TRUE));
return Void;
s48_value Clear_Area(s48_value Xwindow, s48_value Xdisplay, s48_value x,
s48_value y, s48_value w, s48_value h, s48_value e){
Window win = EXTRACT_WINDOW(Xwindow);
Display* dpy = EXTRACT_DISPLAY(Xdisplay);
XClearArea (dpy, win, (int)s48_extract_integer (x),
(int)s48_extract_integer (y), (int)s48_extract_integer (w),
(int)s48_extract_integer (h),
!S48_FALSE_P(e));
return S48_UNSPECIFIC;
}
static s48_value P_Copy_Area (src, gc, sx, sy, w, h, dst, dx, dy) s48_value src, gc,
sx, sy, w, h, dst, dx, dy; {
Display *dpy;
Drawable ddst = Get_Drawable (dst, &dpy), dsrc = Get_Drawable (src, &dpy);
Check_Type (gc, T_Gc);
XCopyArea (dpy, dsrc, ddst, GCONTEXT(gc)->gc, (int)s48_extract_integer (sx),
(int)s48_extract_integer (sy), (int)s48_extract_integer (w), (int)s48_extract_integer (h),
(int)s48_extract_integer (dx), (int)s48_extract_integer (dy));
return Void;
s48_value Copy_Area(s48_value Xdisplay,
s48_value srcXdrawable,s48_value Xgcontext,s48_value srcx,
s48_value srcy, s48_value width, s48_value height,
s48_value destXdrawable, s48_value destx,s48_value desty){
XCopyArea (EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(srcXdrawable),
EXTRACT_DRAWABLE(destXdrawable), EXTRACT_GCONTEXT(Xgcontext),
(int)s48_extract_integer(srcx), (int)s48_extract_integer(srcy),
(int)s48_extract_integer(width), (int)s48_extract_integer(height),
(int)s48_extract_integer(destx), (int)s48_extract_integer(desty));
return S48_UNSPECIFIC;
}
static s48_value P_Copy_Plane (src, gc, plane, sx, sy, w, h, dst, dx, dy)
s48_value src, gc, plane, sx, sy, w, h, dst, dx, dy; {
Display *dpy;
Drawable ddst = Get_Drawable (dst, &dpy), dsrc = Get_Drawable (src, &dpy);
register unsigned long p;
Check_Type (gc, T_Gc);
/** REPLACED by NF in Copy_Plane:
...
p = (unsigned long)s48_extract_integer (plane);
if (p & (p-1))
Primitive_Error ("invalid plane: ~s", plane);
XCopyPlane (dpy, dsrc, ddst, GCONTEXT(gc)->gc, (int)s48_extract_integer (sx),
(int)s48_extract_integer (sy), (int)s48_extract_integer (w), (int)s48_extract_integer (h),
(int)s48_extract_integer (dx), (int)s48_extract_integer (dy), p);
return Void;
Primitive_Error ("invalid plane: ~s", plane);
...
*/
s48_value Copy_Plane(s48_value Xdisplay, s48_value srcXdrawable,
s48_value Xgcontext, s48_value plane, s48_value srcx,
s48_value srcy, s48_value width, s48_value height,
s48_value destXdrawable, s48_value destx, s48_value desty){
// Note: plane must have been set exactly one bit to 1.
// For further details, see the man-page.
unsigned long p = (unsigned long)s48_extract_integer(plane);
XCopyPlane(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(srcXdrawable),
EXTRACT_DRAWABLE(destXdrawable), EXTRACT_GCONTEXT(Xgcontext),
(int)s48_extract_integer(srcx), (int)s48_extract_integer(srcy),
(int)s48_extract_integer(width), (int)s48_extract_integer(height),
(int)s48_extract_integer(destx), (int)s48_extract_integer(desty),
(unsigned long)s48_extract_integer(plane));
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Point (d, gc, x, y) s48_value d, gc, x, y; {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
Check_Type (gc, T_Gc);
XDrawPoint (dpy, dr, GCONTEXT(gc)->gc, (int)s48_extract_integer (x), (int)s48_extract_integer (y));
return Void;
s48_value Draw_Point(s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value x, s48_value y){
XDrawPoint(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
(int)s48_extract_integer (y));
return S48_UNSPECIFIC;
}
static s48_value Internal_Draw_Points (d, gc, v, relative, func, shape)
s48_value d, gc, v, relative, shape; int (*func)(); {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
register XPoint *p;
register i, n;
int rel, sh;
Alloca_Begin;
/* This Function is for internal use only! */
Check_Type (gc, T_Gc);
Check_Type (relative, T_Boolean);
rel = S48_EQ_P(relative, S48_TRUE) ? CoordModePrevious : CoordModeOrigin;
if (func == XFillPolygon)
sh = Symbols_To_Bits (shape, 0, Polyshape_Syms);
n = S48_VECTOR_LENGTH(v);
Alloca (p, XPoint*, n * sizeof (XPoint));
for (i = 0; i < n; i++) {
s48_value point;
point = S48_VECTOR_REF(v, i);
Check_Type (point, T_Pair);
p[i].x = (int)s48_extract_integer (S48_CAR (point));
p[i].y = (int)s48_extract_integer (S48_CDR (point));
}
if (func == XFillPolygon)
XFillPolygon (dpy, dr, GCONTEXT(gc)->gc, p, n, sh, rel);
else
(*func)(dpy, dr, GCONTEXT(gc)->gc, p, n, rel);
Alloca_End;
return Void;
void Vector_To_XPoints(s48_value vec, XPoint* p, int n){
int i;
for(i = 0; i < n; i++){
s48_value point = S48_VECTOR_REF(vec, i);
p[i].x = (int)s48_extract_integer (S48_CAR (point));
p[i].y = (int)s48_extract_integer (S48_CDR (point));
}
}
s48_value Draw_Points (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value vec, s48_value relative){
// First, create a new XPoint from the vector of pairs...
int n = S48_VECTOR_LENGTH(vec);
XPoint p[n];
int mode;
Vector_To_XPoints(vec, p, n);
mode = !S48_EQ_P(relative, S48_FALSE) ? CoordModePrevious : CoordModeOrigin;
XDrawPoints(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), p, n, mode);
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Points (d, gc, v, relative) s48_value d, gc, v, relative; {
return Internal_Draw_Points (d, gc, v, relative, XDrawPoints, S48_NULL);
s48_value Draw_Line (s48_value Xdisplay,s48_value Xdrawable,
s48_value Xgcontext, s48_value x1, s48_value y1,
s48_value x2, s48_value y2){
XDrawLine (EXTRACT_DISPLAY(Xdisplay),EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x1),
(int)s48_extract_integer (y1), (int)s48_extract_integer (x2),
(int)s48_extract_integer (y2));
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Line (d, gc, x1, y1, x2, y2)
s48_value d, gc, x1, y1, x2, y2; {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
Check_Type (gc, T_Gc);
XDrawLine (dpy, dr, GCONTEXT(gc)->gc, (int)s48_extract_integer (x1), (int)s48_extract_integer (y1),
(int)s48_extract_integer (x2), (int)s48_extract_integer (y2));
return Void;
s48_value Draw_Lines(s48_value Xdisplay, s48_value Xdrawalbe,
s48_value Xgcontext, s48_value vec, s48_value relative){
int n = S48_VECTOR_LENGHT(vec);
XPoint p[n];
int mode;
Vector_To_Points(vec, p, n);
mode = !S48_EQ_P(relative, S48_FALSE) ? CoordModePrevious : CoordModeOrigin;
XDrawLines(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawalbe),
EXTRACT_GCONTEXT(Xgcontext), p, n, mode);
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Lines (d, gc, v, relative) s48_value d, gc, v, relative; {
return Internal_Draw_Points (d, gc, v, relative, XDrawLines, S48_NULL);
s48_value Draw_Segments (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value vec){
int i;
int n = S48_VECTOR_LENGTH(vec);
XSegment p[n];
for (i = 0; i < n; i++) {
s48_value seg = S48_VECTOR_REF(vec, i);
p[i].x1 = (int)s48_extract_integer (S48_CAR (seg)); seg = S48_CDR (seg);
p[i].y1 = (int)s48_extract_integer (S48_CAR (seg)); seg = S48_CDR (seg);
p[i].x2 = (int)s48_extract_integer (S48_CAR (seg)); seg = S48_CDR (seg);
p[i].y2 = (int)s48_extract_integer (S48_CAR (seg));
}
XDrawSegments (EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), p, n);
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Segments (d, gc, v) s48_value d, gc, v; {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
register XSegment *p;
register i, n;
Alloca_Begin;
Check_Type (gc, T_Gc);
n = S48_VECTOR_LENGTH(v);
Alloca (p, XSegment*, n * sizeof (XSegment));
for (i = 0; i < n; i++) {
s48_value seg;
seg = S48_VECTOR_REF(v, i);
Check_Type (seg, T_Pair);
if (Fast_Length (seg) != 4)
Primitive_Error ("invalid segment: ~s", seg);
p[i].x1 = (int)s48_extract_integer (S48_CAR (seg)); seg = S48_CDR (seg);
p[i].y1 = (int)s48_extract_integer (S48_CAR (seg)); seg = S48_CDR (seg);
p[i].x2 = (int)s48_extract_integer (S48_CAR (seg)); seg = S48_CDR (seg);
p[i].y2 = (int)s48_extract_integer (S48_CAR (seg));
}
XDrawSegments (dpy, dr, GCONTEXT(gc)->gc, p, n);
Alloca_End;
return Void;
s48_value Draw_Rectangle(s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value x, s48_value y,
s48_value w, s48_value h){
XDrawRectangle (EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
(int)s48_extract_integer(y), (int)s48_extract_integer(w),
(int)s48_extract_integer(h));
return S48_UNSPECIFIC;
}
static s48_value Internal_Draw_Rectangle (d, gc, x, y, w, h, func)
s48_value d, gc, x, y, w, h; int (*func)(); {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
Check_Type (gc, T_Gc);
(*func)(dpy, dr, GCONTEXT(gc)->gc, (int)s48_extract_integer (x),
(int)s48_extract_integer (y), (int)s48_extract_integer (w), (int)s48_extract_integer (h));
return Void;
s48_value Fill_Rectangle (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value x, s48_value y,
s48_value w, s48_value h){
XFillRectangle(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
(int)s48_extract_integer(y), (int)s48_extract_integer(w),
(int)s48_extract_integer(h));
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Rectangle (d, gc, x, y, w, h) s48_value d, gc, x, y, w, h; {
return Internal_Draw_Rectangle (d, gc, x, y, w, h, XDrawRectangle);
//This Function is for internal use only!
void Vector_To_XRectangle(s48_value vec, XRectangle* p, int n){
int i;
for (i = 0; i < n; i++){
s48_value rect;
rect = S48_VECTOR_REF(vec, i);
p[i].x = (int)s48_extract_integer (S48_CAR (rect)); rect = S48_CDR (rect);
p[i].y = (int)s48_extract_integer (S48_CAR (rect)); rect = S48_CDR (rect);
p[i].width = (int)s48_extract_integer (S48_CAR (rect));
rect = S48_CDR (rect);
p[i].height = (int)s48_extract_integer (S48_CAR (rect));
}
}
s48_value Draw_Rectangles (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value vec){
int n = S48_VECTOR_LENGTH(vec);
XRectangle p[n];
Vector_To_XRectangle(vec, p, n);
XDrawRectangles(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), p, n);
return S48_UNSPECIFIC;
}
static s48_value P_Fill_Rectangle (d, gc, x, y, w, h) s48_value d, gc, x, y, w, h; {
return Internal_Draw_Rectangle (d, gc, x, y, w, h, XFillRectangle);
s48_value Fill_Rectangles (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value vec){
int n = S48_VECTOR_LENGTH(vec);
XRectangle p[n];
Vector_To_Rectangle(vec, p, n);
XFillRectangles(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), p, n);
return S48_UNSPECIFIC;
}
static s48_value Internal_Draw_Rectangles (d, gc, v, func)
s48_value d, gc, v; int (*func)(); {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
register XRectangle *p;
register i, n;
Alloca_Begin;
Check_Type (gc, T_Gc);
n = S48_VECTOR_LENGTH(v);
Alloca (p, XRectangle*, n * sizeof (XRectangle));
for (i = 0; i < n; i++) {
s48_value rect;
rect = S48_VECTOR_REF(v, i);
Check_Type (rect, T_Pair);
if (Fast_Length (rect) != 4)
Primitive_Error ("invalid rectangle: ~s", rect);
p[i].x = (int)s48_extract_integer (S48_CAR (rect)); rect = S48_CDR (rect);
p[i].y = (int)s48_extract_integer (S48_CAR (rect)); rect = S48_CDR (rect);
p[i].width = (int)s48_extract_integer (S48_CAR (rect)); rect = S48_CDR (rect);
p[i].height = (int)s48_extract_integer (S48_CAR (rect));
}
(*func)(dpy, dr, GCONTEXT(gc)->gc, p, n);
Alloca_End;
return Void;
s48_value Draw_Arc (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value x,s48_value y, s48_value w,
s48_value h, s48_value a1, s48_value a2){
XDrawArc(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
(int)s48_extract_integer(y), (int)s48_extract_integer(w),
(int)s48_extract_integer(h), (int)s48_extract_integer(a1),
(int)s48_extract_integer(a2));
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Rectangles (d, gc, v) s48_value d, gc, v; {
return Internal_Draw_Rectangles (d, gc, v, XDrawRectangles);
s48_value Fill_Arc (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value x,s48_value y, s48_value w,
s48_value h, s48_value a1, s48_value a2){
XFillArc(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
(int)s48_extract_integer(y), (int)s48_extract_integer(w),
(int)s48_extract_integer(h), (int)s48_extract_integer(a1),
(int)s48_extract_integer(a2));
return S48_UNSPECIFIC;
}
static s48_value P_Fill_Rectangles (d, gc, v) s48_value d, gc, v; {
return Internal_Draw_Rectangles (d, gc, v, XFillRectangles);
//This Function is for internal use only!
void Vector_To_XArc(s48_value vec, XArc* p, int n){
int i;
for (i = 0; i < n; i++){
s48_value arc;
arc = S48_VECTOR_REF(vec, i);
p[i].x = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
p[i].y = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
p[i].width = (int)s48_extract_integer (S48_CAR (arc));
arc = S48_CDR (arc);
p[i].height = (int)s48_extract_integer (S48_CAR (arc));
arc = S48_CDR (arc);
p[i].angle1 = (int)s48_extract_integer (S48_CAR (arc));
arc = S48_CDR (arc);
p[i].angle2 = (int)s48_extract_integer (S48_CAR (arc));
}
}
static s48_value Internal_Draw_Arc (d, gc, x, y, w, h, a1, a2, func)
s48_value d, gc, x, y, w, h, a1, a2; int (*func)(); {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
Check_Type (gc, T_Gc);
(*func)(dpy, dr, GCONTEXT(gc)->gc, (int)s48_extract_integer (x), (int)s48_extract_integer (y),
(int)s48_extract_integer (w), (int)s48_extract_integer (h), (int)s48_extract_integer (a1), (int)s48_extract_integer (a2));
return Void;
s48_value Draw_Arcs (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value vec){
int n = S48_VECTOR_LENGTH(vec);
XArc p[n];
Vector_To_XArc(vec, p, n);
XDrawArcs(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), p, n);
return S48_UNSPECIFIC;
}
static s48_value P_Draw_Arc (d, gc, x, y, w, h, a1, a2)
s48_value d, gc, x, y, w, h, a1, a2; {
return Internal_Draw_Arc (d, gc, x, y, w, h, a1, a2, XDrawArc);
s48_value Fill_Arcs (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value vec){
int n = S48_VECTOR_LENGTH(vec);
XArc p[n];
Vector_To_XArc(vec, p, n);
XFillArcs(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), p, n);
return S48_UNSPECIFIC;
}
static s48_value P_Fill_Arc (d, gc, x, y, w, h, a1, a2)
s48_value d, gc, x, y, w, h, a1, a2; {
return Internal_Draw_Arc (d, gc, x, y, w, h, a1, a2, XFillArc);
s48_value Fill_Polygon (s48_value Xdisplay, s48_value Xdrawable,
s48_value Xgcontext, s48_value vec,
s48_value relative, s48_value shape){
int n = S48_VECTOR_LENGTH(vec);
int mode;
int sh = (int)Symbol_To_Bit(shape, Polyshape_Syms);
XPoint p[n];
Vector_To_XPoints(vec, p, n);
mode = !S48_EQ_P(relative, S48_FALSE) ? CoordModePrevious : CoordModeOrigin;
XFillPolygon(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
EXTRACT_GCONTEXT(Xgcontext), p, n, sh, mode);
return S48_UNSPECIFIC;
}
static s48_value Internal_Draw_Arcs (d, gc, v, func) s48_value d, gc, v;
int (*func)(); {
Display *dpy;
Drawable dr = Get_Drawable (d, &dpy);
register XArc *p;
register i, n;
Alloca_Begin;
Check_Type (gc, T_Gc);
n = S48_VECTOR_LENGTH(v);
Alloca (p, XArc*, n * sizeof (XArc));
for (i = 0; i < n; i++) {
s48_value arc;
arc = S48_VECTOR_REF(v, i);
Check_Type (arc, T_Pair);
if (Fast_Length (arc) != 6)
Primitive_Error ("invalid arc: ~s", arc);
p[i].x = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
p[i].y = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
p[i].width = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
p[i].height = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
p[i].angle1 = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
p[i].angle2 = (int)s48_extract_integer (S48_CAR (arc));
}
(*func)(dpy, dr, GCONTEXT(gc)->gc, p, n);
Alloca_End;
return Void;
}
static s48_value P_Draw_Arcs (d, gc, v) s48_value d, gc, v; {
return Internal_Draw_Arcs (d, gc, v, XDrawArcs);
}
static s48_value P_Fill_Arcs (d, gc, v) s48_value d, gc, v; {
return Internal_Draw_Arcs (d, gc, v, XFillArcs);
}
static s48_value P_Fill_Polygon (d, gc, v, relative, shape)
s48_value d, gc, v, relative, shape; {
return Internal_Draw_Points (d, gc, v, relative, XFillPolygon, shape);
}
elk_init_xlib_graphics () {
Define_Primitive (P_Clear_Area, "clear-area", 6, 6, EVAL);
Define_Primitive (P_Copy_Area, "copy-area", 9, 9, EVAL);
Define_Primitive (P_Copy_Plane, "copy-plane", 10,10, EVAL);
Define_Primitive (P_Draw_Point, "draw-point", 4, 4, EVAL);
Define_Primitive (P_Draw_Points, "draw-points", 4, 4, EVAL);
Define_Primitive (P_Draw_Line, "draw-line", 6, 6, EVAL);
Define_Primitive (P_Draw_Lines, "draw-lines", 4, 4, EVAL);
Define_Primitive (P_Draw_Segments, "draw-segments", 3, 3, EVAL);
Define_Primitive (P_Draw_Rectangle, "draw-rectangle", 6, 6, EVAL);
Define_Primitive (P_Fill_Rectangle, "fill-rectangle", 6, 6, EVAL);
Define_Primitive (P_Draw_Rectangles, "draw-rectangles", 3, 3, EVAL);
Define_Primitive (P_Fill_Rectangles, "fill-rectangles", 3, 3, EVAL);
Define_Primitive (P_Draw_Arc, "draw-arc", 8, 8, EVAL);
Define_Primitive (P_Fill_Arc, "fill-arc", 8, 8, EVAL);
Define_Primitive (P_Draw_Arcs, "draw-arcs", 3, 3, EVAL);
Define_Primitive (P_Fill_Arcs, "fill-arcs", 3, 3, EVAL);
Define_Primitive (P_Fill_Polygon, "fill-polygon", 5, 5, EVAL);
void s48_init_graphics(void) {
S48_EXPORT_FUNCTION(Clear_Area);
S48_EXPORT_FUNCTION(Copy_Area);
S48_EXPORT_FUNCTION(Copy_Plane);
S48_EXPORT_FUNCTION(Draw_Point);
S48_EXPORT_FUNCTION(Draw_Points);
S48_EXPORT_FUNCTION(Draw_Line);
S48_EXPORT_FUNCTION(Draw_Lines);
S48_EXPORT_FUNCTION(Draw_Segments);
S48_EXPORT_FUNCTION(Draw_Rectangle);
S48_EXPORT_FUNCTION(Fill_Rectangle);
S48_EXPORT_FUNCTION(Draw_Rectangles);
S48_EXPORT_FUNCTION(Fill_Rectangles);
S48_EXPORT_FUNCTION(Draw_Arc);
S48_EXPORT_FUNCTION(Fill_Arc);
S48_EXPORT_FUNCTION(Draw_Arcs);
S48_EXPORT_FUNCTION(Fill_Arcs);
S48_EXPORT_FUNCTION(Fill_Polygon);
}