fltk/test/unittests.cxx
Michael R Sweet 73d01dd659 Fix all compiler warnings from various build systems.
Fix vsnprintf() implementation to properly handle long and long long ints.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5845 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2007-05-20 00:01:06 +00:00

300 lines
11 KiB
C++

//
// "$Id$"
//
// Unit tests for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2005 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.H>
#include <FL/x.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Box.H>
#include <FL/fl_draw.H>
Fl_Window *win = 0;
int point_test_ix, line_test_ix, rect_test_ix, viewport_test_ix, circle_test_ix;
void changePageCB(Fl_Widget*, void *ixvp) {
long ix = (long)ixvp;
long i = 0, n = win->children();
for ( ; i<n; i++)
win->child(i)->hide();
if (ix>=n || ix<0) ix = n-1;
win->child(ix)->show();
}
void newButton(int x, int y, int w, int h, const char *l, int ix, const char *tt) {
Fl_Button *b = new Fl_Button(x, y, w, h, l);
b->tooltip(tt);
b->callback(changePageCB, (void*)ix);
}
void createMenuPage() {
Fl_Group *page, *g;
page = new Fl_Group(0, 0, 600, 600);
g = new Fl_Group(100, 20, 460, 26, "drawing:");
g->align(FL_ALIGN_LEFT);
newButton(100+2, 22, 22, 22, "1", point_test_ix, "Testing pixel drawing");
newButton(125+2, 22, 22, 22, "2", line_test_ix, "Testing fl_line");
newButton(150+2, 22, 22, 22, "3", rect_test_ix, "Testing fl_rect");
newButton(175+2, 22, 22, 22, "4", viewport_test_ix, "Testing viewport alignment");
newButton(200+2, 22, 22, 22, "5", circle_test_ix, "Testing circle and oval drawing");
g->end();
page->end();
}
Fl_Group *beginTestPage(const char *l) {
int ix = win->children();
Fl_Group *g = new Fl_Group(0, 0, win->w(), win->h());
g->box(FL_FLAT_BOX);
g->hide();
newButton(20, 20, 20, 20, "M", -1, "Return to main menu");
newButton(20, 40, 20, 20, "@<", ix-1, "previous test");
newButton(20, 60, 20, 20, "@>", ix+1, "next test");
Fl_Box *bx = new Fl_Box(60, 20, win->w()-80, 100, l);
bx->box(FL_ENGRAVED_BOX);
bx->align(FL_ALIGN_INSIDE|FL_ALIGN_WRAP);
return g;
}
//------- test the point drawing capabilities of this implementation ----------
class PointTest : public Fl_Widget {
public: PointTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {}
void draw() {
int a = x(), b = y();
fl_color(FL_BLACK);
fl_rect(x(), y(), w(), h());
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(); 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);
}
};
void fl_point_test() {
point_test_ix = win->children();
Fl_Group *page = beginTestPage(
"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 (blured across multiple pixels)!"
);
new PointTest(20, 140, 100, 100);
page->end();
}
//------- test the line drawing capabilities of this implementation ----------
class LineTest : public Fl_Widget {
public: LineTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {}
void draw() {
int a = x(), b = y(); fl_color(FL_BLACK); fl_rect(a, b, w(), h());
// testing fl_xyline(x, y, x1)
fl_color(FL_RED); fl_point(a+10, b+10); fl_point(a+20, b+10);
fl_color(FL_BLACK); fl_xyline(a+10, b+10, a+20);
// testing fl_xyline(x, y, x1, y2);
fl_color(FL_RED); fl_point(a+10, b+20); fl_point(a+20, b+20);
fl_point(a+20, b+30);
fl_color(FL_BLACK); fl_xyline(a+10, b+20, a+20, b+30);
// testing fl_xyline(x, y, x1, y2, x3);
fl_color(FL_RED); fl_point(a+10, b+40); fl_point(a+20, b+40);
fl_point(a+20, b+50); fl_point(a+30, b+50);
fl_color(FL_BLACK); fl_xyline(a+10, b+40, a+20, b+50, a+30);
//+++ add testing for the fl_yxline commands!
// testing fl_loop(x,y, x,y, x,y, x, y)
fl_color(FL_RED); fl_point(a+60, b+60); fl_point(a+90, b+60);
fl_point(a+60, b+90); fl_point(a+90, b+90);
fl_color(FL_BLACK);
fl_loop(a+60, b+60, a+90, b+60, a+90, b+90, a+60, b+90);
}
};
void fl_line_test() {
line_test_ix = win->children();
Fl_Group *page = beginTestPage(
"testing the integer based fl_line calls\n"
"No red pixels should be visible. "
"If you see bright red pixels, the line drawing alignment is off, "
"or the last pixel in a line does not get drawn. "
"If you see dark red pixels, anti-aliasing must be switched off."
);
new LineTest(20, 140, 100, 100);
page->end();
}
//------- test the line drawing capabilities of this implementation ----------
class RectTest : public Fl_Widget {
public: RectTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {}
void draw() {
int a = x(), b = y(); fl_color(FL_BLACK); fl_rect(a, b, w(), h());
// testing fl_rect() with positive size
fl_color(FL_RED); fl_loop(a+10, b+10, a+40, b+10, a+40, b+40, a+10, b+40);
fl_color(FL_GREEN); fl_loop(a+ 9, b+ 9, a+41, b+ 9, a+41, b+41, a+ 9, b+41);
fl_color(FL_GREEN); fl_loop(a+11, b+11, a+39, b+11, a+39, b+39, a+11, b+39);
fl_color(FL_BLACK); fl_rect(a+10, b+10, 31, 31);
// testing fl_rect() with positive size
fl_color(FL_RED); fl_loop(a+60, b+60, a+90, b+60, a+90, b+90, a+60, b+90);
fl_color(FL_GREEN); fl_loop(a+59, b+59, a+91, b+59, a+91, b+91, a+59, b+91);
fl_color(FL_BLACK); fl_rectf(a+60, b+60, 31, 31);
}
};
void fl_rect_test() {
rect_test_ix = win->children();
Fl_Group *page = beginTestPage(
"testing the fl_rect call\n"
"No red pixels should be visible. "
"If you see bright red lines, or if parts of the green frames are hidden, "
"the rect drawing alignment is off. "
);
new RectTest(20, 140, 100, 100);
page->end();
}
//------- test the line drawing capabilities of this implementation ----------
class ViewportTest : public Fl_Widget {
int pos;
public: ViewportTest(int x, int y, int w, int h, int p) : Fl_Widget(x, y, w, h),
pos(p) {}
void draw() {
if (pos&1) {
fl_color(FL_RED); fl_yxline(x()+w(), y(), y()+h());
fl_color(FL_GREEN); fl_yxline(x()+w()-1, y(), y()+h());
} else {
fl_color(FL_RED); fl_yxline(x()-1, y(), y()+h());
fl_color(FL_GREEN); fl_yxline(x(), y(), y()+h());
}
if (pos&2) {
fl_color(FL_RED); fl_xyline(x(), y()+h(), x()+w());
fl_color(FL_GREEN); fl_xyline(x(), y()+h()-1, x()+w());
} else {
fl_color(FL_RED); fl_xyline(x(), y()-1, x()+w());
fl_color(FL_GREEN); fl_xyline(x(), y(), x()+w());
}
fl_color(FL_BLACK);
fl_loop(x()+3, y()+3, x()+w()-4, y()+3, x()+w()-4, y()+h()-4, x()+3, y()+h()-4);
}
};
void fl_viewport_test() {
viewport_test_ix = win->children();
Fl_Group *page = beginTestPage(
"testing viewport alignment\n"
"Only green lines should be visible. "
"If red lines are visible in the corners of this window, "
"your viewport alignment and clipping is off. "
"If there is a space between the green lines and the window border, "
"the viewport is off, but some clipping may be working. "
"Also, your window size may be off to begin with."
);
new ViewportTest(0, 0, 20, 20, 0);
new ViewportTest(page->w()-20, 0, 20, 20, 1);
new ViewportTest(0, page->h()-20, 20, 20, 2);
new ViewportTest(page->w()-20,page->h()-20, 20, 20, 3);
page->end();
}
//------- test the circle drawing capabilities of this implementation ----------
class CircleTest : public Fl_Widget {
public: CircleTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {}
void draw() {
int a = x(), b = y(); 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 = x()+120; b = y(); 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 = x()+240; b = y(); 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);
}
};
void fl_circle_test() {
circle_test_ix = win->children();
Fl_Group *page = beginTestPage(
"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 syste supports anti-aliasing "
"which should be of no concern. "
"The green rectangles should not be touched by circle drawings."
);
new CircleTest(20, 140, 340, 100);
page->end();
}
int main(int argc, char **argv) {
win = new Fl_Window(600, 600, "Unit Tests for FLTK");
// --- list all tests
fl_point_test();
fl_line_test();
fl_rect_test();
fl_viewport_test();
fl_circle_test();
// --- last page is the menu
createMenuPage();
win->end();
win->show(argc, argv);
return Fl::run();
}
//
// End of "$Id$".
//