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[STR New]
Link: http://www.fltk.org/str.php?L2412
Version: 2.0-current
Link: http://www.fltk.org/str.php?L2412
Version: 2.0-current
//
// "$Id: arc.cxx 5247 2006-06-27 13:17:33Z fabien $"
//
// Arc drawing test program 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 to "[email protected]".
//
#include <stdio.h>
#include <config.h> // for USE_CAIRO definition
#include <fltk/x.h>
#include <fltk/run.h>
#include <fltk/DoubleBufferWindow.h>
#include <fltk/ValueSlider.h>
#include <fltk/draw.h>
float dargs[7] = {90, 90, 100, 100, 0, 360, 0};
const char* name[7] = {"X", "Y", "W", "H", "start", "end", "rotate"};
using namespace fltk;
class Drawing : public Widget {
void draw() {
push_clip(0,0, w(), h());
setcolor_alpha(BLUE,0.6);
fillrect(0,0,w(), h());
push_matrix();
// if (dargs[6]) {
translate(w()/2.0f, h()/2.0f);
rotate(dargs[6]);
translate(-w()/2.0f, -h()/2.0f);
//}
addarc(dargs[0],dargs[1],dargs[2],dargs[3],dargs[4],dargs[5]);
closepath();
addarc(120,120,40,40,0,-360);
setcolor_alpha(GRAY33,0.6);
fillstrokepath(WHITE);
// draw a hardware circle to see how well rotations match:
setcolor(GRAY33);
fltk::Rectangle r(20,20,(int)(dargs[2]+1),(int)(dargs[3]+1));
addchord(r,dargs[4],dargs[5]);
fillstrokepath(WHITE);
// now draw non-rotated hardware circle to check if it inscribes:
pop_matrix();
setcolor_alpha(GRAY40,0.6);
r.set(10,(int) (270-dargs[3]),(int) dargs[2],(int)dargs[3]);
fillrect(r);
setcolor(GRAY90);
strokerect(r);
setcolor_alpha(RED,0.6);
addchord(r,dargs[4],dargs[5]);
fillstrokepath(GRAY90);
pop_clip();
}
public:
Drawing(int X,int Y,int W,int H) : Widget(X,Y,W,H) {}
};
Drawing *d;
void slider_cb(Widget* o, void* v) {
Slider* s = (Slider*)o;
dargs[long(v)] = s->value();
d->redraw();
}
int main(int argc, char** argv) {
Window *window = new Window(300,500);
window->begin();
Drawing *drawing = new Drawing(10,10,280,280);
d = drawing;
int y = 300;
for (int n = 0; n<7; n++) {
Slider* s =
// new ValueSlider(50,y,240,25,name[n]); y += 25;
new ValueSlider(50,y,240,25); y += 25;
s->copy_label(name[n]);
if (n<4) {s->minimum(0); s->maximum(300);}
else if (n==6) {s->minimum(0); s->maximum(360);}
else {s->minimum(-360); s->maximum(360);}
s->type(Slider::TICK_ABOVE);
s->step(1);
s->value(dargs[n]);
s->clear_flag(ALIGN_MASK);
s->set_flag(ALIGN_LEFT);
s->callback(slider_cb, (void*)n);
}
window->end();
window->resizable(drawing);
window->show(argc,argv);
// return run();
run();
printf("Finished, now delete window\n");
delete window;
printf("ALL DONE\n");
}
//
// End of "$Id: arc.cxx 5247 2006-06-27 13:17:33Z fabien $".
//
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