src/fl_engraved_label.cxx

   1 //
   2 // "$Id: fl_engraved_label.cxx 7903 2010-11-28 21:06:39Z matt $"
   3 //
   4 // Engraved label drawing routines for the Fast Light Tool Kit (FLTK).
   5 //
   6 // Copyright 1998-2010 by Bill Spitzak and others.
   7 //
   8 // This library is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public
  10 // License as published by the Free Software Foundation; either
  11 // version 2 of the License, or (at your option) any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // Library General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Library General Public
  19 // License along with this library; if not, write to the Free Software
  20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21 // USA.
  22 //
  23 // Please report all bugs and problems on the following page:
  24 //
  25 //     http://www.fltk.org/str.php
  26 //
  27
  28 // Drawing code for XForms style engraved & embossed labels
  29
  30 #include <FL/Fl.H>
  31 #include <FL/Fl_Widget.H>
  32 #include <FL/fl_draw.H>
  33
  34 // data[] is dx, dy, color triples
  35
  36 static void innards(
  37     const Fl_Label* o, int X, int Y, int W, int H, Fl_Align align,
  38     int data[][3], int n)
  39 {
  40   Fl_Align a1 = align;
  41   if (a1 & FL_ALIGN_CLIP) {
  42     fl_push_clip(X, Y, W, H); a1 = (Fl_Align)(a1&~FL_ALIGN_CLIP);}
  43   fl_font((Fl_Font)o->font, o->size);
  44   for (int i = 0; i < n; i++) {
  45     fl_color((Fl_Color)(i < n-1 ? data[i][2] : o->color));
  46     fl_draw(o->value, X+data[i][0], Y+data[i][1], W, H, a1);
  47   }
  48   if (align & FL_ALIGN_CLIP) fl_pop_clip();
  49 }
  50
  51 static void fl_shadow_label(
  52     const Fl_Label* o, int X, int Y, int W, int H, Fl_Align align)
  53 {
  54   static int data[2][3] = {{1,1,FL_DARK3},{0,0,0}};
  55   innards(o, X, Y, W, H, align, data, 2);
  56 }
  57
  58 static void fl_engraved_label(
  59     const Fl_Label* o, int X, int Y, int W, int H, Fl_Align align)
  60 {
  61     fl_shadow_label( o, X, Y, W, H, align );
  62 }
  63
  64 static void fl_embossed_label(
  65     const Fl_Label* o, int X, int Y, int W, int H, Fl_Align align)
  66 {
  67     fl_shadow_label( o, X, Y, W, H, align );
  68 }
  69
  70 Fl_Labeltype fl_define_FL_SHADOW_LABEL() {
  71   Fl::set_labeltype(_FL_SHADOW_LABEL, fl_shadow_label, 0);
  72   return _FL_SHADOW_LABEL;
  73 }
  74 Fl_Labeltype fl_define_FL_ENGRAVED_LABEL() {
  75   Fl::set_labeltype(_FL_ENGRAVED_LABEL, fl_engraved_label, 0);
  76   return _FL_ENGRAVED_LABEL;
  77 }
  78 Fl_Labeltype fl_define_FL_EMBOSSED_LABEL() {
  79   Fl::set_labeltype(_FL_EMBOSSED_LABEL, fl_embossed_label, 0);
  80   return _FL_EMBOSSED_LABEL;
  81 }
  82
  83 //
  84 // End of "$Id: fl_engraved_label.cxx 7903 2010-11-28 21:06:39Z matt $".
  85 //