//
// "$Id: Fl_Quartz_Graphics_Driver_color.cxx 12641 2018-01-31 21:17:17Z AlbrechtS $"
//
// MacOS color functions for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2018 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//

#include "../../config_lib.h"
#ifdef FL_CFG_GFX_QUARTZ

// The fltk "colormap".  This allows ui colors to be stored in 8-bit
// locations, and provides a level of indirection so that global color
// changes can be made.  Not to be confused with the X colormap, which
// I try to hide completely.

// matt: Neither Quartz nor Quickdraw support colormaps in this implementation
// matt: Quartz support done

#include "Fl_Quartz_Graphics_Driver.H"

#include <config.h>
#include <FL/Fl.H>
#include <FL/platform.H>
#include <FL/fl_draw.H>

extern unsigned fl_cmap[256]; // defined in fl_color.cxx

void Fl_Quartz_Graphics_Driver::color(Fl_Color i) {
  Fl_Graphics_Driver::color(i);
  int index;
  uchar r, g, b;
  if (i & 0xFFFFFF00) {
    // translate rgb colors into color index
    r = i>>24;
    g = i>>16;
    b = i>> 8;
  } else {
    // translate index into rgb:
    index = i;
    unsigned c = fl_cmap[i];
    r = c>>24;
    g = c>>16;
    b = c>> 8;
  }
  if (!gc_) return; // no context yet? We will assign the color later.
  float fr = r/255.0f;
  float fg = g/255.0f;
  float fb = b/255.0f;
  CGContextSetRGBFillColor(gc_, fr, fg, fb, 1.0f);
  CGContextSetRGBStrokeColor(gc_, fr, fg, fb, 1.0f);
}

void Fl_Quartz_Graphics_Driver::color(uchar r, uchar g, uchar b) {
  Fl_Graphics_Driver::color( fl_rgb_color(r, g, b) );
  float fr = r/255.0f;
  float fg = g/255.0f;
  float fb = b/255.0f;
  if (!gc_) return; // no context yet? We will assign the color later.
  CGContextSetRGBFillColor(gc_, fr, fg, fb, 1.0f);
  CGContextSetRGBStrokeColor(gc_, fr, fg, fb, 1.0f);
}

// FIXME: this function should not be here! It's not part of the driver.
void Fl_Quartz_Graphics_Driver::set_color(Fl_Color i, unsigned c) {
  if (fl_cmap[i] != c) {
    fl_cmap[i] = c;
  }
}

#endif // FL_CFG_GFX_QUARTZ

//
// End of "$Id: Fl_Quartz_Graphics_Driver_color.cxx 12641 2018-01-31 21:17:17Z AlbrechtS $".
//
