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FLTK - Fast Light Tool Kit - https://github.com/fltk/fltk - cross platform GUI development
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75 lines
2.7 KiB
75 lines
2.7 KiB
// |
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// "$Id$" |
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// |
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// Unit tests for the Fast Light Tool Kit (FLTK). |
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// |
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// Copyright 1998-2009 by Bill Spitzak and others. |
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// |
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// This library is free software; you can redistribute it and/or |
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// modify it under the terms of the GNU Library General Public |
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// License as published by the Free Software Foundation; either |
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// version 2 of the License, or (at your option) any later version. |
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// |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// Library General Public License for more details. |
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// |
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// You should have received a copy of the GNU Library General Public |
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// License along with this library; if not, write to the Free Software |
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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// USA. |
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// |
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// Please report all bugs and problems on the following page: |
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// |
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// http://www.fltk.org/str.php |
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// |
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#include <FL/Fl_Box.H> |
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#include <FL/fl_draw.H> |
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// |
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//------- test the line drawing capabilities of this implementation ---------- |
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// |
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class LineTest : public Fl_Box { |
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public: |
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static Fl_Widget *create() { |
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return new LineTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H); |
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} |
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LineTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) { |
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label("testing the integer based fl_line calls\n" |
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"No red pixels should be visible.\n" |
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"If you see bright red pixels, the line drawing alignment is off,\n" |
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"or the last pixel in a line does not get drawn.\n" |
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"If you see dark red pixels, anti-aliasing must be switched off."); |
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align(FL_ALIGN_INSIDE|FL_ALIGN_BOTTOM|FL_ALIGN_LEFT|FL_ALIGN_WRAP); |
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box(FL_BORDER_BOX); |
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} |
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void draw() { |
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Fl_Box::draw(); |
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int a = x()+10, b = y()+10; fl_color(FL_BLACK); fl_rect(a, b, 100, 100); |
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// testing fl_xyline(x, y, x1) |
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fl_color(FL_RED); fl_point(a+10, b+10); fl_point(a+20, b+10); |
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fl_color(FL_BLACK); fl_xyline(a+10, b+10, a+20); |
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// testing fl_xyline(x, y, x1, y2); |
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fl_color(FL_RED); fl_point(a+10, b+20); fl_point(a+20, b+20); |
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fl_point(a+20, b+30); |
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fl_color(FL_BLACK); fl_xyline(a+10, b+20, a+20, b+30); |
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// testing fl_xyline(x, y, x1, y2, x3); |
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fl_color(FL_RED); fl_point(a+10, b+40); fl_point(a+20, b+40); |
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fl_point(a+20, b+50); fl_point(a+30, b+50); |
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fl_color(FL_BLACK); fl_xyline(a+10, b+40, a+20, b+50, a+30); |
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//+++ add testing for the fl_yxline commands! |
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// testing fl_loop(x,y, x,y, x,y, x, y) |
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fl_color(FL_RED); fl_point(a+60, b+60); fl_point(a+90, b+60); |
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fl_point(a+60, b+90); fl_point(a+90, b+90); |
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fl_color(FL_BLACK); |
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fl_loop(a+60, b+60, a+90, b+60, a+90, b+90, a+60, b+90); |
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} |
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}; |
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UnitTest lines("drawing lines", LineTest::create); |
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// |
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// End of "$Id$" |
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//
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