Added example howto for making a button with text over an image.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7740 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 78 insertions, 0 deletions

diff --git a/examples/howto-text-over-image-button.cxx b/examples/howto-text-over-image-button.cxx
new file mode 100644
index 000000000..296e8e284
--- /dev/null
+++ b/examples/howto-text-over-image-button.cxx
@@ -0,0 +1,78 @@
+//
+// "$Id$"
+//
+// Simple example of a button with text over an image
+// Originally from erco's cheat sheet 10/25/2010, permission by author.
+//
+// Copyright 1998-2010 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/Fl_Window.H>
+#include <FL/Fl_Button.H>
+#include <FL/Fl_Pixmap.H>
+
+/* XPM */
+static const char * gradient_xpm[] = {
+"135 20 26 1",
+"a 	c #e0e0e0", "b 	c #dcdcdc", "c 	c #d8d8d8", "d 	c #d4d4d4", "e 	c #d2d2d2",
+"f 	c #d0d0d0", "g 	c #cccccc", "h 	c #c8c8c8", "i 	c #c4c4c4", "j 	c #c2c2c2",
+"k 	c #c0c0c0", "l 	c #bcbcbc", "m 	c #b8b8b8", "n 	c #b4b4b4", "o 	c #b2b2b2",
+"p 	c #b0b0b0", "q 	c #acacac", "r 	c #a8a8a8", "s 	c #a4a4a4", "t 	c #a2a2a2",
+"u 	c #a0a0a0", "v 	c #9c9c9c", "w 	c #989898", "x 	c #949494", "y 	c #929292",
+"z 	c #909090",
+"aaaaaaaaabbbbbbbbcccccccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrssss",
+"aaaaaabbbbbbbbcccccccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssst",
+"aaabbbbbbbbcccccccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssstt",
+"bbbbbbbbcccccccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrssssssssstttt",
+"bbbbbcccccccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttu",
+"bbcccccccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuu",
+"ccccccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuu",
+"cccddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvv",
+"ddddddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvv",
+"dddeeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvw",
+"eeeeeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwww",
+"eeefffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwww",
+"fffffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxx",
+"ffffgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxxxxx",
+"fgggggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxxxxxxyy",
+"gggggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxxxxxxyyyyy",
+"ggghhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxxxxxxyyyyyyyy",
+"hhhhhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxxxxxxyyyyyyyyzzz",
+"hhhhiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxxxxxxyyyyyyyyzzzzzz",
+"hiiiiiiijjjjjjjkkkkkkkklllllllmmmmmmmnnnnnnnnnoooooooppppppppqqqqqqrrrrrrrsssssssssttttttuuuuuuuuvvvvvvvwwwwwwwwxxxxxxyyyyyyyyzzzzzzzzz"};
+
+int main(int argc, char **argv) {
+    Fl_Pixmap gradient(gradient_xpm);
+    Fl_Window *win = new Fl_Window(160, 75, "test");          // create window
+
+    Fl_Button *but1 = new Fl_Button(10,10,140,25,"Button 1"); // create regular button
+    but1->image(&gradient);                                   // assign it an image
+    but1->align(FL_ALIGN_IMAGE_BACKDROP|but1->align());       // use image as a 'backdrop'
+
+    Fl_Button *but2 = new Fl_Button(10,40,140,25,"Button 2"); // create second instance of button
+    but2->image(&gradient);                                   // assign it same image
+    but2->align(FL_ALIGN_IMAGE_BACKDROP|but2->align());       // use image as a 'backdrop'
+
+    win->end();
+    win->show(argc,argv);
+    return(Fl::run());
+}