test/unittest_points.cxx

   1 //
   2 // "$Id: unittest_points.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>
  30
  31 //
  32 //------- test the point drawing capabilities of this implementation ----------
  33 //
  34 class PointTest : public Fl_Box {
  35 public:
  36   static Fl_Widget *create() {
  37     return new PointTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
  38   }
  39   PointTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) {
  40     label("testing the fl_point call\n"
  41           "You should see four pixels each in black, red, green and blue. "
  42           "Make sure that pixels are not anti-aliased (blurred across multiple pixels)!");
  43     align(FL_ALIGN_INSIDE|FL_ALIGN_BOTTOM|FL_ALIGN_LEFT|FL_ALIGN_WRAP);
  44     box(FL_BORDER_BOX);
  45   }
  46   void draw() {
  47     Fl_Box::draw();
  48     int a = x()+10, b = y()+10;
  49     fl_color(FL_WHITE); fl_rectf(a, b, 90, 90);
  50     fl_color(FL_BLACK); fl_rect(a, b, 90, 90);
  51     fl_point(a+10, b+10); fl_point(a+20, b+20);
  52     fl_point(a+10, b+20); fl_point(a+20, b+10);
  53     fl_color(FL_RED); a = x()+70;
  54     fl_point(a+10, b+10); fl_point(a+20, b+20);
  55     fl_point(a+10, b+20); fl_point(a+20, b+10);
  56     fl_color(FL_GREEN); a = x()+10; b = y()+70;
  57     fl_point(a+10, b+10); fl_point(a+20, b+20);
  58     fl_point(a+10, b+20); fl_point(a+20, b+10);
  59     fl_color(FL_BLUE); a = x()+70;
  60     fl_point(a+10, b+10); fl_point(a+20, b+20);
  61     fl_point(a+10, b+20); fl_point(a+20, b+10);
  62   }
  63 };
  64
  65 UnitTest points("drawing points", PointTest::create);
  66
  67 //
  68 // End of "$Id: unittest_points.cxx 7913 2010-11-29 18:18:27Z greg.ercolano $"
  69 //