test/unittest_rects.cxx

   1 //
   2 // "$Id: unittest_rects.cxx 7913 2010-11-29 18:18:27Z greg.ercolano $"
   3 //
   4 // Unit tests for the Fast Light Tool Kit (FLTK).
   5 //
   6 // Copyright 1998-2010 by Bill Spitzak and others.
   7 //
   8 // This library is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public
  10 // License as published by the Free Software Foundation; either
  11 // version 2 of the License, or (at your option) any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // Library General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Library General Public
  19 // License along with this library; if not, write to the Free Software
  20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21 // USA.
  22 //
  23 // Please report all bugs and problems on the following page:
  24 //
  25 //     http://www.fltk.org/str.php
  26 //
  27
  28 #include <FL/Fl_Box.H>
  29 #include <FL/fl_draw.H>         // fl_text_extents()
  30
  31 //
  32 //------- test the rectangle drawing capabilities of this implementation ----------
  33 //
  34 class RectTest : public Fl_Box {
  35 public:
  36   static Fl_Widget *create() {
  37     return new RectTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
  38   }
  39   RectTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) {
  40     label("testing the fl_rect call\n"
  41           "No red pixels should be visible. "
  42           "If you see bright red lines, or if parts of the green frames are hidden, "
  43           "the rect drawing alignment is off.");
  44     align(FL_ALIGN_INSIDE|FL_ALIGN_BOTTOM|FL_ALIGN_LEFT|FL_ALIGN_WRAP);
  45     box(FL_BORDER_BOX);
  46   }
  47   void draw() {
  48     Fl_Box::draw();
  49     int a = x()+10, b = y()+10; fl_color(FL_BLACK); fl_rect(a, b, 100, 100);
  50     // testing fl_rect() with positive size
  51     fl_color(FL_RED);   fl_loop(a+10, b+10, a+40, b+10, a+40, b+40, a+10, b+40);
  52     fl_color(FL_GREEN); fl_loop(a+ 9, b+ 9, a+41, b+ 9, a+41, b+41, a+ 9, b+41);
  53     fl_color(FL_GREEN); fl_loop(a+11, b+11, a+39, b+11, a+39, b+39, a+11, b+39);
  54     fl_color(FL_BLACK); fl_rect(a+10, b+10, 31, 31);
  55     // testing fl_rect() with positive size
  56     fl_color(FL_RED);   fl_loop(a+60, b+60, a+90, b+60, a+90, b+90, a+60, b+90);
  57     fl_color(FL_GREEN); fl_loop(a+59, b+59, a+91, b+59, a+91, b+91, a+59, b+91);
  58     fl_color(FL_BLACK); fl_rectf(a+60, b+60, 31, 31);
  59   }
  60 };
  61
  62 UnitTest rects("rectangles", RectTest::create);
  63
  64 //
  65 // End of "$Id: unittest_rects.cxx 7913 2010-11-29 18:18:27Z greg.ercolano $"
  66 //