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//
// "$Id: fl_rounded_box.cxx 8864 2011-07-19 04:49:30Z greg.ercolano $"
//
// Rounded box drawing routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/fl_draw.H>
#define RN 5
#define RS 15
#define BW 3
static double offset[RN] = { 0.0, 0.07612, 0.29289, 0.61732, 1.0};
static void rbox(int fill, int x, int y, int w, int h) {
int i;
int rsx ,rsy, rs;
rsx = w*2/5; rsy = h*2/5;
if (rsx > rsy) rs = rsy; else rs = rsx;
if (rs > RS) rs = RS;
rsx = rs; rsy = rs;
if (fill) fl_begin_polygon(); else fl_begin_loop();
for (i=0; i<RN; i++)
fl_vertex(x + offset[RN-i-1]*rsx, y + offset[i] * rsy);
for (i=0; i<RN; i++)
fl_vertex(x + offset[i]*rsx, y + h-1 - offset[RN-i-1] * rsy);
for (i=0; i<RN; i++)
fl_vertex(x + w-1 - offset[RN-i-1]*rsx, y + h-1 - offset[i] * rsy);
for (i=0; i<RN; i++)
fl_vertex(x + w-1 - offset[i]*rsx, y + offset[RN-i-1] * rsy);
if (fill) fl_end_polygon(); else fl_end_loop();
}
static void fl_rflat_box(int x, int y, int w, int h, Fl_Color c) {
fl_color(c); rbox(1, x, y, w, h); rbox(0, x, y, w, h);
}
static void fl_rounded_frame(int x, int y, int w, int h, Fl_Color c) {
fl_color(c); rbox(0, x, y, w, h);
}
static void fl_rounded_box(int x, int y, int w, int h, Fl_Color c) {
fl_color(c); rbox(1, x, y, w, h);
fl_color(FL_BLACK); rbox(0, x, y, w, h);
}
static void fl_rshadow_box(int x, int y, int w, int h, Fl_Color c) {
// draw shadow:
fl_color(FL_DARK3);
rbox(1, x+BW, y+BW, w, h);
rbox(0, x+BW, y+BW, w, h);
// draw the box:
fl_rounded_box(x, y, w, h, c);
}
extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);
Fl_Boxtype fl_define_FL_ROUNDED_BOX() {
fl_internal_boxtype(_FL_ROUNDED_FRAME, fl_rounded_frame);
fl_internal_boxtype(_FL_ROUNDED_BOX, fl_rounded_box);
return _FL_ROUNDED_BOX;
}
Fl_Boxtype fl_define_FL_RFLAT_BOX() {
fl_internal_boxtype(_FL_RFLAT_BOX, fl_rflat_box);
return _FL_RFLAT_BOX;
}
Fl_Boxtype fl_define_FL_RSHADOW_BOX() {
fl_internal_boxtype(_FL_RSHADOW_BOX, fl_rshadow_box);
return _FL_RSHADOW_BOX;
}
//
// End of "$Id: fl_rounded_box.cxx 8864 2011-07-19 04:49:30Z greg.ercolano $".
//
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