320 lines
11 KiB
C
320 lines
11 KiB
C
#include "xlib.h"
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#include "scheme48.h"
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/*
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extern XDrawPoints(), XDrawLines(), XDrawRectangle(), XFillRectangle();
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extern XDrawRectangles(), XFillRectangles(), XDrawArc(), XFillArc();
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extern XDrawArcs(), XFillArcs(), XFillPolygon();
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*/
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s48_value scx_Clear_Area(s48_value Xwindow, s48_value Xdisplay, s48_value x,
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s48_value y, s48_value w, s48_value h, s48_value e){
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Window win = SCX_EXTRACT_WINDOW(Xwindow);
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Display* dpy = SCX_EXTRACT_DISPLAY(Xdisplay);
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XClearArea (dpy, win, (int)s48_extract_integer (x),
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(int)s48_extract_integer (y), (int)s48_extract_integer (w),
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(int)s48_extract_integer (h),
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!S48_FALSE_P(e));
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return S48_UNSPECIFIC;
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}
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s48_value scx_Copy_Area(s48_value Xdisplay,
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s48_value srcXdrawable,s48_value Xgcontext,s48_value srcx,
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s48_value srcy, s48_value width, s48_value height,
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s48_value destXdrawable, s48_value destx,s48_value desty){
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XCopyArea (SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(srcXdrawable),
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SCX_EXTRACT_DRAWABLE(destXdrawable), SCX_EXTRACT_GCONTEXT(Xgcontext),
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(int)s48_extract_integer(srcx), (int)s48_extract_integer(srcy),
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(int)s48_extract_integer(width), (int)s48_extract_integer(height),
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(int)s48_extract_integer(destx), (int)s48_extract_integer(desty));
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return S48_UNSPECIFIC;
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}
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/** REPLACED by NF in Copy_Plane:
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...
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p = (unsigned long)s48_extract_integer (plane);
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if (p & (p-1))
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Primitive_Error ("invalid plane: ~s", plane);
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...
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*/
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s48_value scx_Copy_Plane(s48_value Xdisplay, s48_value srcXdrawable,
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s48_value Xgcontext, s48_value plane, s48_value srcx,
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s48_value srcy, s48_value width, s48_value height,
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s48_value destXdrawable, s48_value destx, s48_value desty){
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// Note: plane must have been set exactly one bit to 1.
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// For further details, see the man-page.
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unsigned long p = (unsigned long)s48_extract_integer(plane);
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XCopyPlane(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(srcXdrawable),
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SCX_EXTRACT_DRAWABLE(destXdrawable), SCX_EXTRACT_GCONTEXT(Xgcontext),
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(int)s48_extract_integer(srcx), (int)s48_extract_integer(srcy),
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(int)s48_extract_integer(width), (int)s48_extract_integer(height),
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(int)s48_extract_integer(destx), (int)s48_extract_integer(desty),
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(unsigned long)s48_extract_integer(plane));
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return S48_UNSPECIFIC;
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}
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s48_value scx_Draw_Point(s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value x, s48_value y){
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XDrawPoint(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
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(int)s48_extract_integer (y));
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return S48_UNSPECIFIC;
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}
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/* This Function is for internal use only! */
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void Vector_To_XPoints(s48_value vec, XPoint* p, int n){
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int i;
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for(i = 0; i < n; i++){
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s48_value point = S48_VECTOR_REF(vec, i);
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p[i].x = (int)s48_extract_integer (S48_CAR (point));
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p[i].y = (int)s48_extract_integer (S48_CDR (point));
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}
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}
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s48_value scx_Draw_Points (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value vec, s48_value relative){
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// First, create a new XPoint from the vector of pairs...
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int n = S48_VECTOR_LENGTH(vec);
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XPoint p[n];
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int mode;
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Vector_To_XPoints(vec, p, n);
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mode = !S48_FALSE_P(relative) ? CoordModePrevious : CoordModeOrigin;
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XDrawPoints(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n, mode);
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return S48_UNSPECIFIC;
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}
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s48_value scx_Draw_Line (s48_value Xdisplay,s48_value Xdrawable,
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s48_value Xgcontext, s48_value x1, s48_value y1,
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s48_value x2, s48_value y2){
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XDrawLine (SCX_EXTRACT_DISPLAY(Xdisplay),SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x1),
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(int)s48_extract_integer (y1), (int)s48_extract_integer (x2),
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(int)s48_extract_integer (y2));
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return S48_UNSPECIFIC;
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}
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s48_value scx_Draw_Lines(s48_value Xdisplay, s48_value Xdrawalbe,
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s48_value Xgcontext, s48_value vec, s48_value relative){
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int n = S48_VECTOR_LENGTH(vec);
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XPoint p[n];
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int mode;
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Vector_To_XPoints(vec, p, n);
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mode = !S48_FALSE_P(relative) ? CoordModePrevious : CoordModeOrigin;
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XDrawLines(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawalbe),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n, mode);
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return S48_UNSPECIFIC;
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}
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s48_value scx_Draw_Segments (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value vec){
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int i;
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int n = S48_VECTOR_LENGTH(vec);
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XSegment p[n];
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for (i = 0; i < n; i++) {
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s48_value seg = S48_VECTOR_REF(vec, i);
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p[i].x1 = (int)s48_extract_integer (S48_VECTOR_REF(seg, 0));
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p[i].y1 = (int)s48_extract_integer (S48_VECTOR_REF(seg, 1));
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p[i].x2 = (int)s48_extract_integer (S48_VECTOR_REF(seg, 2));
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p[i].y2 = (int)s48_extract_integer (S48_VECTOR_REF(seg, 3));
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}
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XDrawSegments (SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n);
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return S48_UNSPECIFIC;
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}
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s48_value scx_Draw_Rectangle(s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value rect) {
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XDrawRectangle (SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 0)),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 1)),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 2)),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 3)));
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return S48_UNSPECIFIC;
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}
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s48_value scx_Fill_Rectangle (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value rect) {
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XFillRectangle(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 0)),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 1)),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 2)),
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(int)s48_extract_integer(S48_VECTOR_REF(rect, 3)));
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return S48_UNSPECIFIC;
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}
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//This Function is for internal use only!
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void Vector_To_XRectangle(s48_value vec, XRectangle* p, int n) {
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int i;
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for (i = 0; i < n; i++){
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s48_value rect;
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rect = S48_VECTOR_REF(vec, i);
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p[i].x = (int)s48_extract_integer(S48_VECTOR_REF(rect, 0));
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p[i].y = (int)s48_extract_integer(S48_VECTOR_REF(rect, 1));
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p[i].width = (int)s48_extract_integer(S48_VECTOR_REF(rect, 2));
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p[i].height = (int)s48_extract_integer(S48_VECTOR_REF(rect, 3));
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}
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}
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s48_value scx_Draw_Rectangles (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value vec){
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int n = S48_VECTOR_LENGTH(vec);
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XRectangle p[n];
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Vector_To_XRectangle(vec, p, n);
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XDrawRectangles(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n);
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return S48_UNSPECIFIC;
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}
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s48_value scx_Fill_Rectangles (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value vec){
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int n = S48_VECTOR_LENGTH(vec);
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XRectangle p[n];
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Vector_To_XRectangle(vec, p, n);
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XFillRectangles(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n);
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return S48_UNSPECIFIC;
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}
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s48_value scx_Draw_Arc (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value x,s48_value y, s48_value w,
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s48_value h, s48_value a1, s48_value a2){
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XDrawArc(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
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(int)s48_extract_integer(y), (int)s48_extract_integer(w),
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(int)s48_extract_integer(h), (int)s48_extract_integer(a1),
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(int)s48_extract_integer(a2));
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return S48_UNSPECIFIC;
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}
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s48_value scx_Fill_Arc (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value x,s48_value y, s48_value w,
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s48_value h, s48_value a1, s48_value a2){
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XFillArc(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
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(int)s48_extract_integer(y), (int)s48_extract_integer(w),
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(int)s48_extract_integer(h), (int)s48_extract_integer(a1),
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(int)s48_extract_integer(a2));
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return S48_UNSPECIFIC;
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}
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//This Function is for internal use only!
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void Vector_To_XArc(s48_value vec, XArc* p, int n){
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int i;
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for (i = 0; i < n; i++){
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s48_value arc;
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arc = S48_VECTOR_REF(vec, i);
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p[i].x = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
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p[i].y = (int)s48_extract_integer (S48_CAR (arc)); arc = S48_CDR (arc);
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p[i].width = (int)s48_extract_integer (S48_CAR (arc));
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arc = S48_CDR (arc);
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p[i].height = (int)s48_extract_integer (S48_CAR (arc));
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arc = S48_CDR (arc);
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p[i].angle1 = (int)s48_extract_integer (S48_CAR (arc));
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arc = S48_CDR (arc);
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p[i].angle2 = (int)s48_extract_integer (S48_CAR (arc));
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}
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}
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s48_value scx_Draw_Arcs (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value vec){
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int n = S48_VECTOR_LENGTH(vec);
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XArc p[n];
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Vector_To_XArc(vec, p, n);
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XDrawArcs(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n);
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return S48_UNSPECIFIC;
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}
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s48_value scx_Fill_Arcs (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value vec){
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int n = S48_VECTOR_LENGTH(vec);
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XArc p[n];
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Vector_To_XArc(vec, p, n);
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XFillArcs(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n);
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return S48_UNSPECIFIC;
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}
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s48_value scx_Fill_Polygon (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value vec,
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s48_value relative, s48_value shape){
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int n = S48_VECTOR_LENGTH(vec);
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int mode;
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int sh = (int)Symbol_To_Bit(shape, Polyshape_Syms);
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XPoint p[n];
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Vector_To_XPoints(vec, p, n);
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mode = !S48_FALSE_P(relative) ? CoordModePrevious : CoordModeOrigin;
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XFillPolygon(SCX_EXTRACT_DISPLAY(Xdisplay), SCX_EXTRACT_DRAWABLE(Xdrawable),
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SCX_EXTRACT_GCONTEXT(Xgcontext), p, n, sh, mode);
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return S48_UNSPECIFIC;
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}
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void scx_init_graphics(void) {
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S48_EXPORT_FUNCTION(scx_Clear_Area);
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S48_EXPORT_FUNCTION(scx_Copy_Area);
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S48_EXPORT_FUNCTION(scx_Copy_Plane);
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S48_EXPORT_FUNCTION(scx_Draw_Point);
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S48_EXPORT_FUNCTION(scx_Draw_Points);
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S48_EXPORT_FUNCTION(scx_Draw_Line);
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S48_EXPORT_FUNCTION(scx_Draw_Lines);
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S48_EXPORT_FUNCTION(scx_Draw_Segments);
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S48_EXPORT_FUNCTION(scx_Draw_Rectangle);
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S48_EXPORT_FUNCTION(scx_Fill_Rectangle);
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S48_EXPORT_FUNCTION(scx_Draw_Rectangles);
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S48_EXPORT_FUNCTION(scx_Fill_Rectangles);
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S48_EXPORT_FUNCTION(scx_Draw_Arc);
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S48_EXPORT_FUNCTION(scx_Fill_Arc);
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S48_EXPORT_FUNCTION(scx_Draw_Arcs);
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S48_EXPORT_FUNCTION(scx_Fill_Arcs);
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S48_EXPORT_FUNCTION(scx_Fill_Polygon);
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}
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