diff options
| -rw-r--r-- | test/unittests.cxx | 72 |
1 files changed, 52 insertions, 20 deletions
diff --git a/test/unittests.cxx b/test/unittests.cxx index bb24af725..47fda8445 100644 --- a/test/unittests.cxx +++ b/test/unittests.cxx @@ -1,3 +1,29 @@ +// +// "$Id$" +// +// Unit tests for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2009 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 +// // Fltk unit tests // v0.1 - Greg combines Matthias + Ian's tests // v0.2 - Ian's 02/12/09 fixes applied @@ -79,15 +105,15 @@ public: CircleTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) { fl_color(FL_BLACK); fl_pie(a+55, b+65, 31, 31, 150.0, 300.0); //---- oval testing (horizontal squish) a +=120; b += 0; fl_color(FL_BLACK); fl_rect(a, b, 100, 100); - fl_color(FL_GREEN); + 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_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 += 120; b += 0; 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_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); } }; @@ -121,7 +147,7 @@ public: PointTest(int x, int y, int w, int h) : Fl_Box(x, y, w, h) { void draw() { Fl_Box::draw(); int a = x()+10, b = y()+10; 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+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); @@ -313,11 +339,9 @@ void unittest_viewport_test_cb(const char *action, Fl_Group *grp) { class TextExtentsTest : public Fl_Widget { void DrawTextAndBoxes(const char *txt, int X, int Y) { -//ALBRECHT // draw text -//ALBRECHT fl_color(FL_BLACK); -//ALBRECHT fl_draw(txt, X, Y); int wo = 0, ho = 0; int dx, dy; + // First, we draw the bounding boxes (fl_measure and fl_text_extents) // draw fl_measure() typographical bounding box fl_measure(txt, wo, ho, 0); int desc = fl_descent(); @@ -325,12 +349,11 @@ class TextExtentsTest : public Fl_Widget fl_rect(X, Y-ho+desc, wo, ho); // draw fl_text_extents() glyph bounding box fl_text_extents(txt, dx, dy, wo, ho); -//ALBRECHT fl_color(FL_BLUE); - fl_color(FL_GREEN); // ALBRECHT + fl_color(FL_GREEN); fl_rect(X+dx, Y+dy, wo, ho); - // draw text // ALBRECHT - fl_color(FL_BLACK); // ALBRECHT - fl_draw(txt, X, Y); // ALBRECHT + // Then we draw the text to show how it fits insode each of the two boxes + fl_color(FL_BLACK); + fl_draw(txt, X, Y); } public: TextExtentsTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {} void draw(void) { @@ -340,13 +363,13 @@ public: TextExtentsTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {} int h0 = h(); fl_push_clip(x0, y0, w0, h0); // reset local clipping { - // set the background colour - fl_color(FL_WHITE); + // set the background colour - slightly off-white to enhance the green bounding box + fl_color(fl_gray_ramp(FL_NUM_GRAY - 3)); fl_rectf(x0, y0, w0, h0); fl_font(FL_HELVETICA, 30); - int xx = x()+55; - int yy = y()+40; + int xx = x0+55; + int yy = y0+40; DrawTextAndBoxes("!abcdeABCDE\"#A", xx, yy); yy += 50; // mixed string DrawTextAndBoxes("oacs", xx, yy); xx += 100; // small glyphs DrawTextAndBoxes("qjgIPT", xx, yy); yy += 50; xx -= 100; // glyphs with descenders @@ -356,8 +379,13 @@ public: TextExtentsTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {} fl_font(FL_HELVETICA, 14); fl_color(FL_RED); fl_draw("fl_measure bounding box in RED", xx, yy); yy += 20; -//ALBRECHT fl_color(FL_BLUE); fl_draw("fl_text_extents bounding box in BLUE", xx, yy); yy += 20; - fl_color(FL_GREEN); fl_draw("fl_text_extents bounding box in GREEN", xx, yy); yy += 20; //ALBRECHT + fl_color(FL_GREEN); fl_draw("fl_text_extents bounding box in GREEN", xx, yy); + fl_color(FL_BLACK); + xx = x0 + 10; yy += 30; + fl_draw("NOTE: On systems with text anti-aliasing (e.g. OSX Quartz)", xx, yy); + w0 = h0 = 0; fl_measure("NOTE: ", w0, h0, 0); + xx += w0; yy += h0; + fl_draw("text may leach slightly outside the fl_text_extents()", xx, yy); } fl_pop_clip(); // remove the local clip } @@ -478,3 +506,7 @@ int main(int argc, char **argv) { Browser_CB(browser,0); return(Fl::run()); } + +// +// End of "$Id$". +// |