src/fl_color_mac.cxx

   1 //
   2 // "$Id: fl_color_mac.cxx 8384 2011-02-06 12:32:23Z manolo $"
   3 //
   4 // MacOS color functions 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 // The fltk "colormap".  This allows ui colors to be stored in 8-bit
  29 // locations, and provides a level of indirection so that global color
  30 // changes can be made.  Not to be confused with the X colormap, which
  31 // I try to hide completely.
  32
  33 // matt: Neither Quartz nor Quickdraw support colormaps in this implementation
  34 // matt: Quartz support done
  35
  36 #include <config.h>
  37 #include <FL/Fl.H>
  38 #include <FL/x.H>
  39 #include <FL/fl_draw.H>
  40
  41 static unsigned fl_cmap[256] = {
  42 #include "fl_cmap.h" // this is a file produced by "cmap.cxx":
  43 };
  44
  45 // Translations to mac data structures:
  46 Fl_XMap fl_xmap[256];
  47
  48 Fl_XMap* fl_current_xmap;
  49
  50 void Fl_Quartz_Graphics_Driver::color(Fl_Color i) {
  51   Fl_Graphics_Driver::color(i);
  52   int index;
  53   uchar r, g, b;
  54   if (i & 0xFFFFFF00) {
  55     // translate rgb colors into color index
  56     r = i>>24;
  57     g = i>>16;
  58     b = i>> 8;
  59   } else {
  60     // translate index into rgb:
  61     index = i;
  62     unsigned c = fl_cmap[i];
  63     r = c>>24;
  64     g = c>>16;
  65     b = c>> 8;
  66   }
  67   if (!fl_gc) return; // no context yet? We will assign the color later.
  68   float fr = r/255.0f;
  69   float fg = g/255.0f;
  70   float fb = b/255.0f;
  71   CGContextSetRGBFillColor(fl_gc, fr, fg, fb, 1.0f);
  72   CGContextSetRGBStrokeColor(fl_gc, fr, fg, fb, 1.0f);
  73 }
  74
  75 void Fl_Quartz_Graphics_Driver::color(uchar r, uchar g, uchar b) {
  76   Fl_Graphics_Driver::color( fl_rgb_color(r, g, b) );
  77   float fr = r/255.0f;
  78   float fg = g/255.0f;
  79   float fb = b/255.0f;
  80   CGContextSetRGBFillColor(fl_gc, fr, fg, fb, 1.0f);
  81   CGContextSetRGBStrokeColor(fl_gc, fr, fg, fb, 1.0f);
  82 }
  83
  84 void Fl::set_color(Fl_Color i, unsigned c) {
  85   if (fl_cmap[i] != c) {
  86     fl_cmap[i] = c;
  87   }
  88 }
  89
  90 //
  91 // End of "$Id: fl_color_mac.cxx 8384 2011-02-06 12:32:23Z manolo $".
  92 //