X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;ds=sidebyside;f=include%2Fctsupport.h;h=ac3ffe0732ccdbfbd4f675d0770c626df206e40c;hb=55426f4170ed9dc777c3cec3741e4a59e6eebd38;hp=14ef13c2b87edb1d844db171b504aca0093903e4;hpb=ff9c2e8f6e126acbef08e0dfccc6ea112b44ca41;p=ctsim.git

diff --git a/include/ctsupport.h b/include/ctsupport.h
index 14ef13c..ac3ffe0 100644
--- a/include/ctsupport.h
+++ b/include/ctsupport.h
@@ -9,7 +9,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: ctsupport.h,v 1.7 2000/11/28 14:54:07 kevin Exp $
+**  $Id: ctsupport.h,v 1.9 2000/12/06 15:17:51 kevin Exp $
 **
 **
 **  This program is free software; you can redistribute it and/or modify
@@ -222,6 +222,9 @@ template<class T>
 inline T nearest (double x)
 { return (x > 0 ? static_cast<T>(x+0.5) : static_cast<T>(x-0.5)); }
 
+inline int imax (int a, int b)
+{ return (a >= b ? a : b); }
+
 template<class T>
 inline T clamp (T value, T lowerBounds, T upperBounds)
 { return (value >= upperBounds ? upperBounds : (value <= lowerBounds ? lowerBounds : value )); }
@@ -248,11 +251,11 @@ inline void minmax_array (const T* array, const int n, T& min, T& max)
 //////////////////////////////////////////////////////////////
 
 // clip.cpp 
-int clip_rect (double& x1, double& y1, double& x2, double& y2, const double rect[4]);
-int clip_segment (double& x1, double& y1, double& x2, double& y2, const double u, const double v);
-int clip_sector (double& x1, double& y1, double& x2, double& y2, const double u, const double v);
-int clip_circle (double& x1, double& y1, double& x2, double& y2, const double cx, const double cy, const double radius, double t1, double t2);
-int clip_triangle (double& x1, double& y1, double& x2, double& y2, const double u, const double v, const int clip_xaxis);
+bool clip_rect (double& x1, double& y1, double& x2, double& y2, const double rect[4]);
+bool clip_segment (double& x1, double& y1, double& x2, double& y2, const double u, const double v);
+bool clip_sector (double& x1, double& y1, double& x2, double& y2, const double u, const double v);
+bool clip_circle (double& x1, double& y1, double& x2, double& y2, const double cx, const double cy, const double radius, double t1, double t2);
+bool clip_triangle (double& x1, double& y1, double& x2, double& y2, const double u, const double v, const int clip_xaxis);
 
 
 // xform.cpp