From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- third_party/windows/fltk-1.1.10/src/fl_arci.cxx | 126 ++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 third_party/windows/fltk-1.1.10/src/fl_arci.cxx (limited to 'third_party/windows/fltk-1.1.10/src/fl_arci.cxx') diff --git a/third_party/windows/fltk-1.1.10/src/fl_arci.cxx b/third_party/windows/fltk-1.1.10/src/fl_arci.cxx new file mode 100644 index 0000000..1189bf2 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/fl_arci.cxx @@ -0,0 +1,126 @@ +// +// "$Id: fl_arci.cxx 5518 2006-10-11 01:23:52Z mike $" +// +// Arc (integer) drawing functions for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2006 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems on the following page: +// +// http://www.fltk.org/str.php +// + +// "integer" circle drawing functions. These draw the limited +// circle types provided by X and NT graphics. The advantage of +// these is that small ones draw quite nicely (probably due to stored +// hand-drawn bitmaps of small circles!) and may be implemented by +// hardware and thus are fast. + +// Probably should add fl_chord. + +// 3/10/98: created + +#include +#include +#ifdef WIN32 +# include +#endif +#ifdef __APPLE__ +# include +#endif + +void fl_arc(int x,int y,int w,int h,double a1,double a2) { + if (w <= 0 || h <= 0) return; +#ifdef WIN32 + int xa = x+w/2+int(w*cos(a1/180.0*M_PI)); + int ya = y+h/2-int(h*sin(a1/180.0*M_PI)); + int xb = x+w/2+int(w*cos(a2/180.0*M_PI)); + int yb = y+h/2-int(h*sin(a2/180.0*M_PI)); + if (fabs(a1 - a2) < 90) { + if (xa == xb && ya == yb) SetPixel(fl_gc, xa, ya, fl_RGB()); + else Arc(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb); + } else Arc(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb); +#elif defined(__APPLE_QD__) + Rect r; r.left=x; r.right=x+w; r.top=y; r.bottom=y+h; + a1 = a2-a1; a2 = 450-a2; + FrameArc(&r, (short int)a2, (short int)a1); +#elif defined(__APPLE_QUARTZ__) + a1 = (-a1)/180.0f*M_PI; a2 = (-a2)/180.0f*M_PI; + float cx = x + 0.5f*w - 0.5f, cy = y + 0.5f*h - 0.5f; + if (w!=h) { + CGContextSaveGState(fl_gc); + CGContextTranslateCTM(fl_gc, cx, cy); + CGContextScaleCTM(fl_gc, w-1.0f, h-1.0f); + CGContextAddArc(fl_gc, 0, 0, 0.5, a1, a2, 1); + CGContextRestoreGState(fl_gc); + } else { + float r = (w+h)*0.25f-0.5f; + CGContextAddArc(fl_gc, cx, cy, r, a1, a2, 1); + } + CGContextStrokePath(fl_gc); +#else + XDrawArc(fl_display, fl_window, fl_gc, x,y,w-1,h-1, int(a1*64),int((a2-a1)*64)); +#endif +} + +void fl_pie(int x,int y,int w,int h,double a1,double a2) { + if (w <= 0 || h <= 0) return; +#ifdef WIN32 + if (a1 == a2) return; + int xa = x+w/2+int(w*cos(a1/180.0*M_PI)); + int ya = y+h/2-int(h*sin(a1/180.0*M_PI)); + int xb = x+w/2+int(w*cos(a2/180.0*M_PI)); + int yb = y+h/2-int(h*sin(a2/180.0*M_PI)); + SelectObject(fl_gc, fl_brush()); + if (fabs(a1 - a2) < 90) { + if (xa == xb && ya == yb) { + MoveToEx(fl_gc, x+w/2, y+h/2, 0L); + LineTo(fl_gc, xa, ya); + SetPixel(fl_gc, xa, ya, fl_RGB()); + } else Pie(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb); + } else Pie(fl_gc, x, y, x+w, y+h, xa, ya, xb, yb); +#elif defined(__APPLE_QD__) + Rect r; r.left=x; r.right=x+w; r.top=y; r.bottom=y+h; + a1 = a2-a1; a2 = 450-a2; + PaintArc(&r, (short int)a2, (short int)a1); +#elif defined(__APPLE_QUARTZ__) + a1 = (-a1)/180.0f*M_PI; a2 = (-a2)/180.0f*M_PI; + float cx = x + 0.5f*w - 0.5f, cy = y + 0.5f*h - 0.5f; + if (w!=h) { + CGContextSaveGState(fl_gc); + CGContextTranslateCTM(fl_gc, cx, cy); + CGContextScaleCTM(fl_gc, w, h); + CGContextAddArc(fl_gc, 0, 0, 0.5, a1, a2, 1); + CGContextAddLineToPoint(fl_gc, 0, 0); + CGContextClosePath(fl_gc); + CGContextRestoreGState(fl_gc); + } else { + float r = (w+h)*0.25f; + CGContextAddArc(fl_gc, cx, cy, r, a1, a2, 1); + CGContextAddLineToPoint(fl_gc, cx, cy); + CGContextClosePath(fl_gc); + } + CGContextFillPath(fl_gc); +#else + XFillArc(fl_display, fl_window, fl_gc, x,y,w-1,h-1, int(a1*64),int((a2-a1)*64)); +#endif +} + +// +// End of "$Id: fl_arci.cxx 5518 2006-10-11 01:23:52Z mike $". +// -- cgit v1.3.1