367e567b7b
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12205 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
//
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// "$Id$"
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//
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// Arc (integer) drawing functions for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2016 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#include <config.h>
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#include "Fl_Xlib_Graphics_Driver.H"
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#include <FL/fl_draw.H>
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#include <FL/x.H>
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/**
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\file Fl_Xlib_Graphics_Driver_arci.cxx
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\brief Utility functions for drawing circles using integers
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*/
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void Fl_Xlib_Graphics_Driver::arc(int x,int y,int w,int h,double a1,double a2) {
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if (w <= 0 || h <= 0) return;
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XDrawArc(fl_display, fl_window, gc_, x+offset_x_,y+offset_y_,w-1,h-1, int(a1*64),int((a2-a1)*64));
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}
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void Fl_Xlib_Graphics_Driver::pie(int x,int y,int w,int h,double a1,double a2) {
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if (w <= 0 || h <= 0) return;
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x += offset_x_;
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y += offset_y_;
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XDrawArc(fl_display, fl_window, gc_, x,y,w-1,h-1, int(a1*64),int((a2-a1)*64));
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XFillArc(fl_display, fl_window, gc_, x,y,w-1,h-1, int(a1*64),int((a2-a1)*64));
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}
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//
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// End of "$Id$".
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//
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