gdi32: Allow arbitrary start entry types in PATH_DoArcPart, not just PT_MOVETOs.

dlls/gdi32/path.c

@@ -97,7 +97,7 @@ static BOOL PATH_PathToRegion(GdiPath *pPath, INT nPolyFillMode,
 static void   PATH_EmptyPath(GdiPath *pPath);
 static BOOL PATH_ReserveEntries(GdiPath *pPath, INT numEntries);
 static BOOL PATH_DoArcPart(GdiPath *pPath, FLOAT_POINT corners[],
-   double angleStart, double angleEnd, BOOL addMoveTo);
+   double angleStart, double angleEnd, BYTE startEntryType);
 static void PATH_ScaleNormalizedPoint(FLOAT_POINT corners[], double x,
    double y, POINT *pPoint);
 static void PATH_NormalizePoint(FLOAT_POINT corners[], const FLOAT_POINT
@@ -624,7 +624,7 @@ BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT e
    ellCorners[0].y = corners[0].y;
    ellCorners[1].x = corners[1].x;
    ellCorners[1].y = corners[0].y+ell_height;
-   if(!PATH_DoArcPart(pPath, ellCorners, 0, -M_PI_2, TRUE))
+   if(!PATH_DoArcPart(pPath, ellCorners, 0, -M_PI_2, PT_MOVETO))
       return FALSE;
    pointTemp.x = corners[0].x+ell_width/2;
    pointTemp.y = corners[0].y;
@@ -848,7 +848,7 @@ BOOL PATH_Arc(DC *dc, INT x1, INT y1, INT x2, INT y2,
 
       /* Add the Bezier spline to the path */
       PATH_DoArcPart(pPath, corners, angleStartQuadrant, angleEndQuadrant,
-         start);
+         start ? PT_MOVETO : FALSE);
       start=FALSE;
    }  while(!end);
 
@@ -1521,12 +1521,12 @@ static BOOL PATH_ReserveEntries(GdiPath *pPath, INT numEntries)
  * Creates a Bezier spline that corresponds to part of an arc and appends the
  * corresponding points to the path. The start and end angles are passed in
  * "angleStart" and "angleEnd"; these angles should span a quarter circle
- * at most. If "addMoveTo" is true, a PT_MOVETO entry for the first control
- * point is added to the path; otherwise, it is assumed that the current
+ * at most. If "startEntryType" is non-zero, an entry of that type for the first
+ * control point is added to the path; otherwise, it is assumed that the current
  * position is equal to the first control point.
  */
 static BOOL PATH_DoArcPart(GdiPath *pPath, FLOAT_POINT corners[],
-   double angleStart, double angleEnd, BOOL addMoveTo)
+   double angleStart, double angleEnd, BYTE startEntryType)
 {
    double  halfAngle, a;
    double  xNorm[4], yNorm[4];
@@ -1559,10 +1559,10 @@ static BOOL PATH_DoArcPart(GdiPath *pPath, FLOAT_POINT corners[],
       }
 
    /* Add starting point to path if desired */
-   if(addMoveTo)
+   if(startEntryType)
    {
       PATH_ScaleNormalizedPoint(corners, xNorm[0], yNorm[0], &point);
-      if(!PATH_AddEntry(pPath, &point, PT_MOVETO))
+      if(!PATH_AddEntry(pPath, &point, startEntryType))
          return FALSE;
    }
 
@@ -1937,7 +1937,7 @@ static BOOL PATH_WidenPath(DC *dc)
                         corners[0].y = yo - penWidthIn;
                         corners[1].x = xo + penWidthOut;
                         corners[1].y = yo + penWidthOut;
-                        PATH_DoArcPart(pUpPath ,corners, theta + M_PI_2 , theta + 3 * M_PI_4, (j == 0 ? TRUE : FALSE));
+                        PATH_DoArcPart(pUpPath ,corners, theta + M_PI_2 , theta + 3 * M_PI_4, (j == 0 ? PT_MOVETO : FALSE));
                         PATH_DoArcPart(pUpPath ,corners, theta + 3 * M_PI_4 , theta + M_PI, FALSE);
                         PATH_DoArcPart(pUpPath ,corners, theta + M_PI, theta +  5 * M_PI_4, FALSE);
                         PATH_DoArcPart(pUpPath ,corners, theta + 5 * M_PI_4 , theta + 3 * M_PI_2, FALSE);