fltk/test/unittest_circles.cxx
Greg Ercolano 4327734e69 More copyright 2010 mods.
Used: vi `grep -r 'Copyright .*Spitzak' . | grep -v 2010 | grep -v '/\.svn' | cut -d: -f1`


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7913 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2010-11-29 18:18:27 +00:00

100 lines
4.0 KiB
C++

//
// "$Id$"
//
// Unit tests for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 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
//
#include <FL/Fl_Box.H>
#include <FL/fl_draw.H>
//
//------- test the circle drawing capabilities of this implementation ----------
//
class CircleTest : public Fl_Box {
public:
static Fl_Widget *create() {
return new CircleTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
}
CircleTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) {
label("testing int drawing of circles and ovals (fl_arc, fl_pie)\n"
"No red lines should be visible. "
"If you see bright red pixels, the circle drawing alignment is off. "
"If you see dark red pixels, your system supports anti-aliasing "
"which should be of no concern. "
"The green rectangles should not be overwritten by circle drawings.");
align(FL_ALIGN_INSIDE|FL_ALIGN_BOTTOM|FL_ALIGN_LEFT|FL_ALIGN_WRAP);
box(FL_BORDER_BOX);
}
void draw() {
Fl_Box::draw();
int a = x()+10, b = y()+10; fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
// test fl_arc for full circles
fl_color(FL_GREEN); fl_rect(a+ 9, b+ 9, 33, 33);
fl_color(FL_RED); fl_xyline(a+24, b+10, a+27); fl_xyline(a+24, b+40, a+27);
fl_yxline(a+10, b+24, b+27); fl_yxline(a+40, b+24, b+27);
fl_color(FL_BLACK); fl_arc(a+10, b+10, 31, 31, 0.0, 360.0);
// test fl_arc segmet 1
fl_color(FL_GREEN); fl_rect(a+54, b+ 4, 43, 43);
fl_rect(a+54, b+4, 18, 18); fl_rect(a+79, b+29, 18, 18);
fl_color(FL_RED); fl_point(a+55, b+30); fl_point(a+70, b+45);
fl_point(a+80, b+5); fl_point(a+95, b+20);
fl_color(FL_BLACK); fl_arc(a+65, b+ 5, 31, 31, -35.0, 125.0);
// test fl_arc segmet 2
fl_color(FL_BLACK); fl_arc(a+55, b+15, 31, 31, 145.0, 305.0);
// test fl_pie for full circles
fl_color(FL_RED); fl_xyline(a+24, b+60, a+27); fl_xyline(a+24, b+90, a+27);
fl_yxline(a+10, b+74, b+77); fl_yxline(a+40, b+74, b+77);
fl_color(FL_GREEN); fl_rect(a+ 9, b+59, 33, 33);
fl_color(FL_BLACK); fl_pie(a+10, b+60, 31, 31, 0.0, 360.0);
// test fl_pie segmet 1
fl_color(FL_GREEN); fl_rect(a+54, b+54, 43, 43);
fl_rect(a+54, b+54, 18, 18); fl_rect(a+79, b+79, 18, 18);
fl_point(a+79, b+71); fl_point(a+71, b+79);
fl_color(FL_RED); fl_point(a+55, b+80); fl_point(a+70, b+95);
fl_point(a+80, b+55); fl_point(a+95, b+70);
fl_point(a+81, b+69); fl_point(a+69, b+81);
fl_color(FL_BLACK); fl_pie(a+65, b+55, 31, 31, -30.0, 120.0);
// test fl_pie segmet 2
fl_color(FL_BLACK); fl_pie(a+55, b+65, 31, 31, 150.0, 300.0);
//---- oval testing (horizontal squish)
a +=120; b += 0; fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
fl_color(FL_GREEN);
fl_rect(a+19, b+9, 63, 33); fl_rect(a+19, b+59, 63, 33);
fl_color(FL_BLACK);
fl_arc(a+20, b+10, 61, 31, 0, 360); fl_pie(a+20, b+60, 61, 31, 0, 360);
//---- oval testing (horizontal squish)
a += 120; b += 0; fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
fl_color(FL_GREEN);
fl_rect(a+9, b+19, 33, 63); fl_rect(a+59, b+19, 33, 63);
fl_color(FL_BLACK);
fl_arc(a+10, b+20, 31, 61, 0, 360); fl_pie(a+60, b+20, 31, 61, 0, 360);
}
};
UnitTest circle("circles and arcs", CircleTest::create);
//
// End of "$Id$"
//