From 48d129b87f0b3f64577a0e653c7f48ba9c40cbab Mon Sep 17 00:00:00 2001
From: William Joye <wjoye@cfa.harvard.edu>
Date: Sun, 19 Mar 2017 14:01:09 -0400
Subject: add fill support

---
 tkmacosx/macosxlib.h  |  5 +++--
 tkmacosx/macosxlib.mm | 45 ++++++++++++++++++++++++++++++---------------
 tkmacosx/tkmacosx.mm  | 29 ++++++++++++++++++++---------
 3 files changed, 53 insertions(+), 26 deletions(-)

diff --git a/tkmacosx/macosxlib.h b/tkmacosx/macosxlib.h
index 22d71db..69e779b 100644
--- a/tkmacosx/macosxlib.h
+++ b/tkmacosx/macosxlib.h
@@ -22,11 +22,12 @@ void macosxClip(Vector, Vector);
 void macosxDrawText(Vector, float, const char*);
 void macosxDrawLine(Vector, Vector);
 void macosxDrawLines(Vector*, int);
-void macosxDrawRect(Vector, Vector);
+void macosxFillPolygon(Vector*, int);
 void macosxDrawArc(Vector, float, float, float);
+void macosxFillArc(Vector, float, float, float);
 void macosxDrawCurve(Vector, Vector, Vector, Vector);
+void macosxFillCurve(Vector, Vector, Vector, Vector);
 
-void macosxFillPolygon(Vector*, int);
 
 void macosxBitmapCreate(void*, int, int, const Vector&, const Vector&);
 
diff --git a/tkmacosx/macosxlib.mm b/tkmacosx/macosxlib.mm
index 77a7bdb..454d026 100644
--- a/tkmacosx/macosxlib.mm
+++ b/tkmacosx/macosxlib.mm
@@ -121,12 +121,21 @@ void macosxDrawLines(Vector* v, int n)
 */
 }
 
-void macosxDrawRect(Vector v, Vector s)
+void macosxFillPolygon(Vector* v, int n)
 {
 /*
   if (tkmacosx) {
-    Vector vv1 = v*tkmacosx->getCanvasToPage();
-    tkmacosx->drawRect(vv1[0], vv1[1], s[0], s[1]);
+    float xx[n];
+    float yy[n];
+
+    for(int ii=0; ii<n; ii++) {
+      Vector vv = v[ii]*tkmacosx->getCanvasToPage();
+
+      xx[ii] = vv[0];
+      yy[ii] = vv[1];
+    }
+
+    tkmacosx->fillPolygon(xx,yy,n);
   }
 */
 }
@@ -141,6 +150,16 @@ void macosxDrawArc(Vector v, float rad, float ang1, float ang2)
 */
 }
 
+void macosxFillArc(Vector v, float rad, float ang1, float ang2)
+{
+/*
+  if (tkmacosx) {
+    Vector vv = v*tkmacosx->getCanvasToPage();
+    tkmacosx->fillArc(vv[0], vv[1], rad, ang1, ang2);
+  }
+*/
+}
+
 void macosxDrawCurve(Vector v0, Vector t0, Vector t1, Vector v1)
 {
 /*
@@ -156,24 +175,20 @@ void macosxDrawCurve(Vector v0, Vector t0, Vector t1, Vector v1)
 */
 } 
 
-void macosxFillPolygon(Vector* v, int n)
+void macosxFillCurve(Vector v0, Vector t0, Vector t1, Vector v1)
 {
 /*
   if (tkmacosx) {
-    float xx[n];
-    float yy[n];
-
-    for(int ii=0; ii<n; ii++) {
-      Vector vv = v[ii]*tkmacosx->getCanvasToPage();
-
-      xx[ii] = vv[0];
-      yy[ii] = vv[1];
-    }
+    Vector vv0 = v0*tkmacosx->getCanvasToPage();
+    Vector tt0 = t0*tkmacosx->getCanvasToPage();
+    Vector tt1 = t1*tkmacosx->getCanvasToPage();
+    Vector vv1 = v1*tkmacosx->getCanvasToPage();
 
-    tkmacosx->fillPolygon(xx,yy,n);
+    tkmacosx->fillCurve(vv0[0], vv0[1], tt0[0], tt0[1], 
+			tt1[0], tt1[1], vv1[0], vv1[1]);
   }
 */
-}
+} 
 
 void macosxBitmapCreate(void* img, int width, int height, 
 			const Vector& v, const Vector& s)
diff --git a/tkmacosx/tkmacosx.mm b/tkmacosx/tkmacosx.mm
index efebe60..00b8163 100644
--- a/tkmacosx/tkmacosx.mm
+++ b/tkmacosx/tkmacosx.mm
@@ -753,11 +753,14 @@ void TkMacosx::drawLines(float* x, float* y, int n)
   CGContextStrokePath(context);
 }
 
-void TkMacosx::drawRect(float x, float y, float w, float h)
+void TkMacosx::fillPolygon(float* x, float* y, int n)
 {
   CGContextBeginPath(context);
-  CGContextAddRect(context, CGRectMake(x,y,w,h));
-  CGContextStrokePath(context);
+  CGContextMoveToPoint(context, x[0], y[0]);
+  for (int ii=1; ii<n; ii++) 
+    CGContextAddLineToPoint(context, x[ii], y[ii]);
+  CGContextAddLineToPoint(context, x[0], y[0]);
+  CGContextEOFillPath(context);
 }
 
 void TkMacosx::drawArc(float x, float y, float rad, float ang1, float ang2)
@@ -767,6 +770,13 @@ void TkMacosx::drawArc(float x, float y, float rad, float ang1, float ang2)
   CGContextStrokePath(context);
 }
 
+void TkMacosx::fillArc(float x, float y, float rad, float ang1, float ang2)
+{
+  CGContextBeginPath(context);
+  CGContextAddArc(context, x, y, rad, ang1, ang2, 0);
+  CGContextEOFillPath(context);
+}
+
 void TkMacosx::drawCurve(float x0, float y0, 
 			 float u0, float v0, 
 			 float u1, float v1,
@@ -778,14 +788,15 @@ void TkMacosx::drawCurve(float x0, float y0,
   CGContextStrokePath(context);
 }
 
-void TkMacosx::fillPolygon(float* x, float* y, int n)
+void TkMacosx::fillCurve(float x0, float y0, 
+			 float u0, float v0, 
+			 float u1, float v1,
+			 float x1, float y1)
 {
   CGContextBeginPath(context);
-  CGContextMoveToPoint(context, x[0], y[0]);
-  for (int ii=1; ii<n; ii++) 
-    CGContextAddLineToPoint(context, x[ii], y[ii]);
-  CGContextAddLineToPoint(context, x[0], y[0]);
-  CGContextEOFillPath(context);
+  CGContextMoveToPoint(context, x0, y0);
+  CGContextAddCurveToPoint(context, u0, v0, u1, v1, x1, y1);
+  CGContextEOPath(context);
 }
 
 void TkMacosx::bitmapCreate(void* data, int width, int height, 
-- 
cgit v0.12