Reorganized Unittest / fixed and improved OS X keybord support and alternative input methods / fixed OS X utf8 DnD

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6755 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 97 insertions, 0 deletions

diff --git a/test/unittest_text.cxx b/test/unittest_text.cxx
new file mode 100644
index 000000000..231e22dbe
--- /dev/null
+++ b/test/unittest_text.cxx
@@ -0,0 +1,97 @@
+//
+// "$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
+//
+
+#include <FL/Fl_Box.H>
+#include <FL/fl_draw.H>
+
+//
+// --- fl_text_extents() tests -----------------------------------------------
+//
+class TextExtentsTest : public Fl_Widget
+{
+  void DrawTextAndBoxes(const char *txt, int X, int 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();
+    fl_color(FL_RED);
+    fl_rect(X, Y-ho+desc, wo, ho);
+    // draw fl_text_extents() glyph bounding box
+    fl_text_extents(txt, dx, dy, wo, ho);
+    fl_color(FL_GREEN);
+    fl_rect(X+dx, Y+dy, wo, ho);
+    // 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: 
+  static Fl_Widget *create() {
+    return new TextExtentsTest(TESTAREA_X, TESTAREA_Y, TESTAREA_W, TESTAREA_H);
+  }
+  TextExtentsTest(int x, int y, int w, int h) : Fl_Widget(x, y, w, h) {}
+  void draw(void) {
+    int x0 = x(); // origin is current window position for Fl_Box
+    int y0 = y();
+    int w0 = w();
+    int h0 = h();
+    fl_push_clip(x0, y0, w0, h0); // reset local clipping
+    {
+      // 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 = 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
+      DrawTextAndBoxes("````````", xx, yy); yy += 50;		// high small glyphs
+      DrawTextAndBoxes("--------", xx, yy); yy += 50;		// mid small glyphs
+      DrawTextAndBoxes("________", xx, yy); yy += 50;		// low small glyphs
+
+      fl_font(FL_HELVETICA, 14);
+      fl_color(FL_RED);  fl_draw("fl_measure bounding box in RED",       xx, yy); yy += 20;
+      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 leak slightly outside the fl_text_extents()", xx, yy);
+    }
+    fl_pop_clip(); // remove the local clip
+  }
+};
+
+UnitTest textExtents("rendering text", TextExtentsTest::create);
+
+//
+// End of "$Id: $"
+//