1 files changed, 79 insertions, 0 deletions
diff --git a/src/cmd/plot/libplot/subr.c b/src/cmd/plot/libplot/subr.c
new file mode 100644
index 00000000..cf4cf89e
--- /dev/null
+++ b/src/cmd/plot/libplot/subr.c
@@ -0,0 +1,79 @@
+#include "mplot.h"
+#define pSMALL    0.5
+struct penvir  E[9] = {
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite},
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite},
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite},
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite},
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite},
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite},
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite},
+{ 0., 1024., 0., 0., 1., -1.,1024., -1024., 0., 0., pSMALL, 1., 1, 0.,1, DBlack, DWhite}
+};
+struct penvir *e0 = E, *e1 = &E[1], *esave;
+bcolor(char *s){
+	int c;
+	while (*s != NULL) {
+		switch (*s) {
+		case '0': case '1': case '2': case '3': case '4':
+		case '5': case '6': case '7': case '8': case '9':
+			c=0;
+			while('0'<=*s && *s<='9')
+				c=c*10+*s++-'0';
+			if(c < 0)
+				return DBlack;
+			return cmap2rgba(c);
+		case 'k':  case 'z':	/* zero was old name for kblack */
+			return(DBlack);
+		case 'r':
+print("RED");
+			return(DRed);
+		case 'g': 
+			return(DGreen);
+		case 'b': 
+			return(DBlue);
+		case 'm': 
+			return(DMagenta);
+		case 'y': 
+			return(DYellow);
+		case 'c': 
+			return(DCyan);
+		case 'w': 
+			return(DWhite);
+		case 'R': 
+			return(atoi(s + 1));
+		case 'G': 
+			e1->pgap = atof(s + 1); 
+			return(-1);
+		case 'A': 
+			e1->pslant = (180. - atof(s + 1)) / RADIAN; 
+			return(-1);
+		}
+		while (*++s != NULL) 
+			if (*s == '/') {
+				s++;
+				break;
+			}
+	}
+	return DBlack;
+}
+void sscpy(struct penvir *a, struct penvir *b){ /* copy 'a' onto 'b' */
+	b->left = a->left; 
+	b->bottom = a->bottom; 
+	b->xmin = a->xmin; 
+	b->ymin = a->ymin;
+	b->scalex = a->scalex; 
+	b->scaley = a->scaley;
+	b->sidex = a->sidex; 
+	b->sidey = a->sidey;
+	b->copyx = a->copyx; 
+	b->copyy = a->copyy;
+	b->quantum = a->quantum;
+	b->grade = a->grade;
+	b->pmode = a->pmode; 
+	b->foregr = a->foregr; 
+	b->backgr = a->backgr;
+}
+void idle(void){}
+
+void ptype(char *s){USED(s);}