fltk/test/unittest_points.cxx

//
// "$Id$:
//
// Unit tests 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_Box.H>
#include <FL/fl_draw.H>

//
//------- test the point drawing capabilities of this implementation ----------
//
class PointTest : public Fl_Box {
public:
  static Fl_Widget *create() {
    return new PointTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
  }
  PointTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) {
    label("testing the fl_point call\n"
	  "You should see four pixels each in black, red, green and blue. "
	  "Make sure that pixels are not anti-aliased (blurred across multiple pixels)!");
    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_WHITE); fl_rectf(a, b, 90, 90);
    fl_color(FL_BLACK); fl_rect(a, b, 90, 90);
    fl_point(a+10, b+10); fl_point(a+20, b+20);
    fl_point(a+10, b+20); fl_point(a+20, b+10);
    fl_color(FL_RED); a = x()+70;
    fl_point(a+10, b+10); fl_point(a+20, b+20);
    fl_point(a+10, b+20); fl_point(a+20, b+10);
    fl_color(FL_GREEN); a = x()+10; b = y()+70;
    fl_point(a+10, b+10); fl_point(a+20, b+20);
    fl_point(a+10, b+20); fl_point(a+20, b+10);
    fl_color(FL_BLUE); a = x()+70;
    fl_point(a+10, b+10); fl_point(a+20, b+20);
    fl_point(a+10, b+20); fl_point(a+20, b+10);
  }
};

UnitTest points("drawing points", PointTest::create);

//
// End of "$Id$"
//