66ee7c172964fe9665479973fa7c7536afe03fa2
kate
  Tue Apr 10 22:05:33 2018 -0700
Add Postscript for bezier curve.  Fix ellipse. refs #21109

diff --git src/inc/pscmGfx.h src/inc/pscmGfx.h
index 053d73f..e5695c1 100644
--- src/inc/pscmGfx.h
+++ src/inc/pscmGfx.h
@@ -1,76 +1,81 @@
 /* pscmGfx - routines for making postScript output seem a
  * lot like 256 color bitmap output. 
  *
  * This file is copyright 2002 Jim Kent, but license is hereby
  * granted for all use - public, private or commercial. */
 
 #ifndef PSCMGFX_H
 #define PSCMGFX_H
 
 #include "memgfx.h"
 
 struct pscmGfx 
 /* Structure to simululate 256 color image
  * in postScript - so to make it easier to
  * swap between memGfx/gif output and PostScript
  * output */
     {
     struct pscmGfx *next;
     struct psGfx *ps;	  /* Underlying postScript object. */
     int colAlloc;	  /* Colors allocated. */
     int colUsed;	  /* Colors used. */
     void *curFont;	  /* Current font. */
     int curColor;	  /* Current color. */
     struct colHash *colorHash;	/* Hash for fast look up of color. */
     struct rgbColor colorMap[256]; /* The color map. */
     int colorsUsed;		/* Number of colors actually used. */
     int clipMinX, clipMaxX;     /* Clipping region upper left corner. */
     int clipMinY, clipMaxY;     /* lower right, not inclusive */
     struct hash *hints;   /* Hints to guide behavior */
     int writeMode;        /* current write mode */
     };
 
 struct pscmGfx *pscmOpen(int width, int height, char *file);
 /* Return new pscmGfx. */
 
 void pscmClose(struct pscmGfx **ppscm);
 /* Finish writing out and free structure. */
 
 void pscmSetClip(struct pscmGfx *pscm, int x, int y, int width, int height);
 /* Set clipping rectangle. */
 
 void pscmUnclip(struct pscmGfx *pscm);
 /* Set clipping rect cover full thing. */
 
 int pscmFindColorIx(struct pscmGfx *pscm, int r, int g, int b);
 /* Find color index for rgb. */
 
 void pscmSetColor(struct pscmGfx *pscm, Color color);
 /* Set current color to Color. */
 
 void pscmBox(struct pscmGfx *pscm, int x, int y, 
 	int width, int height, int colorIx);
 /* Draw a box. */
 
 void pscmLine(struct pscmGfx *pscm, 
 	int x1, int y1, int x2, int y2, int colorIx);
 /* Draw a line from one point to another. */
 
 void pscmText(struct pscmGfx *pscm, int x, int y, int colorIx, 
 	MgFont *font, char *text);
 /* Draw a line of text with upper left corner x,y. */
 
 void pscmTextRight(struct pscmGfx *pscm, int x, int y, int width, int height,
 	int color, MgFont *font, char *text);
 /* Draw a line of text right justified in box defined by x/y/width/height */
 
 void pscmTextCentered(struct pscmGfx *pscm, int x, int y, 
 	int width, int height, int color, MgFont *font, char *text);
 /* Draw a line of text centered in box defined by x/y/width/height */
 
-void pscmEllipse(struct pscmGfx *pscm, 
-	int x1, int y1, int x2, int y2, int color, int mode, boolean isDashed);
+void pscmEllipse(struct pscmGfx *pscm, int x1, int y1, int x2, int y2, Color color, 
+                        int mode, boolean isDashed);
 /* Draw an ellipse specified as a rectangle. Args are left-most and top-most points.
  * Optionally draw half-ellipse (top or bottom) */
 
+void pscmCurve(struct pscmGfx *pscm, int x1, int y1, int x2, int y2, int x3, int y3, Color color,
+                        boolean isDashed);
+/* Draw Bezier curve specified by 3 points (quadratic Bezier).
+ * The points are: first (p1) and last (p3), and 1 control points (p2). */
+
 #endif /* PSCMGFX_H */