//// "$Id: fl_round_box.cxx,v 1.1.1.1 2003/08/07 21:18:41 jasonk Exp $"//// Round box drawing routines for the Fast Light Tool Kit (FLTK).//// Copyright 1998-1999 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 to "fltk-bugs@easysw.com".//// Box drawing code for an obscure box type.// These box types are in seperate files so they are not linked// in if not used.#include <FL/Fl.H>#include <FL/fl_draw.H>// A compiler from a certain very large software company will not compile// the function pointer assignment due to the name conflict with fl_arc.// This function is to fix that:void fl_arc_i(int x,int y,int w,int h,double a1,double a2) {  fl_arc(x,y,w,h,a1,a2);}enum {UPPER_LEFT, LOWER_RIGHT, CLOSED, FILL};static void draw(int which, int x,int y,int w,int h, int inset, uchar color){  if (inset*2 >= w) inset = (w-1)/2;  if (inset*2 >= h) inset = (h-1)/2;  x += inset;  y += inset;  w -= 2*inset;  h -= 2*inset;  int d = w <= h ? w : h;  if (d <= 1) return;  fl_color((Fl_Color)color);  void (*f)(int,int,int,int,double,double);  f = (which==FILL) ? fl_pie : fl_arc_i;  if (which >= CLOSED) {    f(x+w-d, y, d, d, w<=h ? 0 : -90, w<=h ? 180 : 90);    f(x, y+h-d, d, d, w<=h ? 180 : 90, w<=h ? 360 : 270);  } else if (which == UPPER_LEFT) {    f(x+w-d, y, d, d, 45, w<=h ? 180 : 90);    f(x, y+h-d, d, d, w<=h ? 180 : 90, 225);  } else { // LOWER_RIGHT    f(x, y+h-d, d, d, 225, w<=h ? 360 : 270);    f(x+w-d, y, d, d, w<=h ? 360 : 270, 360+45);  }  if (which == FILL) {    if (w < h)      fl_rectf(x, y+d/2, w, h-(d&-2));    else if (w > h)      fl_rectf(x+d/2, y, w-(d&-2), h);  } else {    if (w < h) {      if (which != UPPER_LEFT) fl_yxline(x+w-1, y+d/2, y+h-d/2);      if (which != LOWER_RIGHT) fl_yxline(x, y+d/2, y+h-d/2);    } else if (w > h) {      if (which != UPPER_LEFT) fl_xyline(x+d/2, y+h-1, x+w-d/2);      if (which != LOWER_RIGHT) fl_xyline(x+d/2, y, x+w-d/2);    }  }}extern uchar* fl_gray_ramp();static void fl_round_down_box(int x, int y, int w, int h, Fl_Color bgcolor) {#ifdef PDA  draw(FILL,	     x,   y, w,   h, 4, bgcolor);  draw(UPPER_LEFT,  x,   y, w,   h, 0, FL_BLACK);  draw(LOWER_RIGHT, x,   y, w,   h, 0, FL_BLACK);  if ( h % 2 == 0 && w % 2 == 0 ) {     fl_xyline(x,y+h/2-1,x,y+h/2-1);  	  fl_xyline(x+w-2,y+h/2-1,x+w-2,y+h/2-1);  }  else {     fl_xyline(x,y+h/2,x,y+h/2);     fl_xyline(x+w-1,y+h/2,x+w-1,y+h/2);  }#else		    uchar *g = fl_gray_ramp();  draw(FILL,	    x,   y, w,   h, 2, bgcolor);  draw(UPPER_LEFT,  x+1, y, w-2, h, 0, g['N']);  draw(UPPER_LEFT,  x+1, y, w-2, h, 1, g['H']);  draw(UPPER_LEFT,  x,   y, w,   h, 0, g['N']);  draw(UPPER_LEFT,  x,   y, w,   h, 1, g['H']);  draw(LOWER_RIGHT, x,   y, w,   h, 0, g['S']);  draw(LOWER_RIGHT, x+1, y, w-2, h, 0, g['U']);  draw(LOWER_RIGHT, x,   y, w,   h, 1, g['U']);  draw(LOWER_RIGHT, x+1, y, w-2, h, 1, g['W']);  draw(CLOSED,	    x,   y, w,   h, 2, g['A']);#endif}static void fl_round_up_box(int x, int y, int w, int h, Fl_Color bgcolor) {#ifdef PDA  draw(FILL,	     x,  y, w,   h, 2, bgcolor);  draw(UPPER_LEFT,  x,  y, w,   h, 0, FL_BLACK);  draw(LOWER_RIGHT, x,  y, w,   h, 0, FL_BLACK);  if ( h % 2 == 0 && w % 2 == 0 ) {     fl_xyline(x,y+h/2-1,x,y+h/2-1);  	  fl_xyline(x+w-2,y+h/2-1,x+w-2,y+h/2-1);  }  else {     fl_xyline(x,y+h/2,x,y+h/2);  	  fl_xyline(x+w-1,y+h/2,x+w-1,y+h/2);  }#else    uchar *g = fl_gray_ramp();  draw(FILL,	    x,   y, w,   h, 2, bgcolor);  draw(LOWER_RIGHT, x+1, y, w-2, h, 0, g['H']);  draw(LOWER_RIGHT, x+1, y, w-2, h, 1, g['N']);  draw(LOWER_RIGHT, x,   y, w,   h, 1, g['H']);  draw(LOWER_RIGHT, x,   y, w,   h, 2, g['N']);  draw(UPPER_LEFT,  x,   y, w,   h, 2, g['U']);  draw(UPPER_LEFT,  x+1, y, w-2, h, 1, g['S']);  draw(UPPER_LEFT,  x,   y, w,   h, 1, g['W']);  draw(UPPER_LEFT,  x+1, y, w-2, h, 0, g['U']);  draw(CLOSED,	    x,   y, w,   h, 0, g['A']);#endif}extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);Fl_Boxtype define_FL_ROUND_UP_BOX() {  fl_internal_boxtype(_FL_ROUND_DOWN_BOX, fl_round_down_box);  fl_internal_boxtype(_FL_ROUND_UP_BOX, fl_round_up_box);  return _FL_ROUND_UP_BOX;}//// End of "$Id: fl_round_box.cxx,v 1.1.1.1 2003/08/07 21:18:41 jasonk Exp $".//