-// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+/**
+ * \file Color.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- *======================================================*/
+ * \author Angus Leeming
+ *
+ * Full author contact details are available in file CREDITS
+ */
#include <config.h>
-#include FORMS_H_LOCATION
-#ifdef __GNUG_
-#pragma implementation
-#endif
+#include "Color.h"
#include <algorithm> // max
#include <cmath> // floor
-#include <fstream> // ofstream
-#include "Color.h"
-#include "lyxlex.h"
+#include FORMS_H_LOCATION
+
+#ifndef CXX_GLOBAL_CSTD
+using std::floor;
+#endif
using std::max;
using std::min;
-using std::ofstream;
-static int const nohue = -1;
+namespace {
+
+int const nohue = -1;
+
+} // namespace anon
-RGBColor::RGBColor( HSVColor const & hsv )
+
+bool getRGBColor(LColor::color col,
+ unsigned int & r, unsigned int & g, unsigned int & b)
+{
+ string const name = lcolor.getX11Name(col);
+ Display * const display = fl_get_display();
+ Colormap const cmap = fl_state[fl_get_vclass()].colormap;
+ XColor xcol, ccol;
+
+ if (XLookupColor(display, cmap, name.c_str(), &xcol, &ccol) == 0) {
+ r = 0;
+ g = 0;
+ b = 0;
+ return false;
+ }
+
+ r = xcol.red / 256;
+ g = xcol.green / 256;
+ b = xcol.blue / 256;
+ return true;
+}
+
+
+RGBColor::RGBColor(HSVColor const & hsv)
{
double h = hsv.h;
- double s = hsv.s;
- double v = hsv.v;
-
+ double const s = hsv.s;
+ double const v = hsv.v;
+
double rd, gd, bd;
-
- if( h == nohue || s == 0.0 ) {
+
+ if (h == nohue || s == 0.0) {
rd = gd = bd = v;
} else {
- if( h == 360.0 ) h = 0.0;
+ if (h == 360.0) h = 0.0;
h /= 60.0;
- int j = static_cast<int>( ::floor(h) );
- if( j < 0 ) j = 0;
+ int const j = max(0, static_cast<int>(::floor(h)));
+ //if (j < 0) j = 0;
- double f = h - j;
- double p = v * (1.0 - s);
- double q = v * (1.0 - (s*f));
- double t = v * (1.0 - (s*(1.0 - f)));
+ double const f = h - j;
+ double const p = v * (1.0 - s);
+ double const q = v * (1.0 - (s * f));
+ double const t = v * (1.0 - (s * (1.0 - f)));
- switch( j ) {
+ switch (j) {
case 0:
rd = v;
gd = t;
}
}
- r = static_cast<int>( ::floor((rd * 255.0) + 0.5) );
- g = static_cast<int>( ::floor((gd * 255.0) + 0.5) );
- b = static_cast<int>( ::floor((bd * 255.0) + 0.5) );
+ r = static_cast<int>(::floor((rd * 255.0) + 0.5));
+ g = static_cast<int>(::floor((gd * 255.0) + 0.5));
+ b = static_cast<int>(::floor((bd * 255.0) + 0.5));
}
-HSVColor::HSVColor( RGBColor const & rgb )
+HSVColor::HSVColor(RGBColor const & rgb)
{
- // r, g, b lie in the range 0-1, not 0-255.
- double r = rgb.r / 255.0;
- double g = rgb.g / 255.0;
- double b = rgb.b / 255.0;
+ double const r = rgb.r / 255.0;
+ double const g = rgb.g / 255.0;
+ double const b = rgb.b / 255.0;
- double maxval = max( max( r, g ), b );
- double minval = max( min( r, g ), b );
+ double const maxval = max(max(r, g), b);
+ double const minval = min(min(r, g), b);
v = maxval;
- double diff = maxval - minval;
- if( maxval != 0.0 )
+ double const diff = maxval - minval;
+ if (maxval != 0.0)
s = diff / maxval;
else
s = 0.0;
h = nohue;
- if( s != 0.0 ) {
- double rc = (maxval - r) / diff;
- double gc = (maxval - g) / diff;
- double bc = (maxval - b) / diff;
+ if (s != 0.0) {
+ double const rc = (maxval - r) / diff;
+ double const gc = (maxval - g) / diff;
+ double const bc = (maxval - b) / diff;
- if( r == maxval )
+ if (r == maxval)
h = bc - gc;
- else if( g == maxval )
+ else if (g == maxval)
h = 2.0 + rc - bc;
- else if( b == maxval )
+ else if (b == maxval)
h = 4.0 + gc - rc;
h *= 60.0;
- if ( h < 0 )
+ if (h < 0)
h += 360;
}
}
-
-
-// sorted by hand to prevent LyXLex from complaining on read().
-static
-keyword_item xformTags[] = {
-// { "\\gui_active_tab", FL_LIGHTER_COL1 },
- { "\\gui_background", FL_COL1 },
- { "\\gui_buttonbottom", FL_BOTTOM_BCOL },
- { "\\gui_buttonleft", FL_LEFT_BCOL },
- { "\\gui_buttonright", FL_RIGHT_BCOL },
- { "\\gui_buttontop", FL_TOP_BCOL },
- { "\\gui_inactive", FL_INACTIVE },
- { "\\gui_push_button", FL_YELLOW },
- { "\\gui_selected", FL_MCOL },
- { "\\gui_text", FL_BLACK }
-};
-
-
-static const int xformCount = sizeof(xformTags) / sizeof(keyword_item);
-
-
-bool XformColor::read(string const & filename)
-{
- LyXLex lexrc( xformTags, xformCount );
- if( !lexrc.setFile( filename ) )
- return false;
-
- while( lexrc.IsOK() ) {
- int le = lexrc.lex();
-
- switch( le ) {
- case LyXLex::LEX_UNDEF:
- lexrc.printError("Unknown tag `$$Token'");
- continue;
- case LyXLex::LEX_FEOF:
- continue;
- default: break;
- }
-
- RGBColor col;
-
- if( !lexrc.next() ) break;
- col.r = lexrc.GetInteger();
-
- if( !lexrc.next() ) break;
- col.g = lexrc.GetInteger();
-
- if( !lexrc.next() ) break;
- col.b = lexrc.GetInteger();
-
- fl_mapcolor(le, col.r, col.g, col.b);
- }
-
- return true;
-}
-
-
-bool XformColor::write(string const & filename)
-{
- ofstream os(filename.c_str());
- if (!os)
- return false;
-
- os << "### This file is part of\n"
- << "### ========================================================\n"
- << "### LyX, The Document Processor\n"
- << "###\n"
- << "### Copyright 1995 Matthias Ettrich\n"
- << "### Copyright 1995-2000 The LyX Team.\n"
- << "###\n"
- << "### ========================================================\n"
- << "\n"
- << "# This file is written by LyX, if you want to make your own\n"
- << "# modifications you should do them from inside LyX and save\n"
- << "\n";
-
- for( int i = 0; i < xformCount; ++i ) {
- string tag = xformTags[i].tag;
- int colorID = xformTags[i].code;
- RGBColor color;
-
- fl_getmcolor(colorID, &color.r, &color.g, &color.b);
-
- os << tag + " "
- << color.r << " " << color.g << " " << color.b << "\n";
- }
-
- return true;
-}
projects / lyx.git / blobdiff