lyx_mirror/src/Color.cpp
Jürgen Spitzmüller 0f2bcd0d0c * src/Color.cpp:
- fix encoding

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18287 a592a061-630c-0410-9148-cb99ea01b6c8
2007-05-13 16:35:31 +00:00

465 lines
12 KiB
C++

/**
* \file Color.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Asger Alstrup
* \author Lars Gullik Bjønnes
* \author Matthias Ettrich
* \author Jean-Marc Lasgouttes
* \author John Levon
* \author André Pönitz
* \author Martin Vermeer
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "debug.h"
#include "gettext.h"
#include "Color.h"
#include "support/lstrings.h"
#include <map>
#include <cmath>
#include <sstream>
#include <iomanip>
#ifndef CXX_GLOBAL_CSTD
using std::floor;
#endif
using std::max;
using std::min;
using std::setw;
using std::istringstream;
using std::ostringstream;
using std::string;
using std::endl;
using lyx::support::compare_ascii_no_case;
using lyx::support::ascii_lowercase;
namespace {
struct ColorEntry {
lyx::Color::color lcolor;
char const * guiname;
char const * latexname;
char const * x11name;
char const * lyxname;
};
int const nohue = -1;
int hexstrToInt(string const & str)
{
int val = 0;
istringstream is(str);
is >> std::setbase(16) >> val;
return val;
}
} // namespace anon
namespace lyx {
/////////////////////////////////////////////////////////////////////
//
// RGBColor
//
/////////////////////////////////////////////////////////////////////
string const X11hexname(RGBColor const & col)
{
ostringstream ostr;
ostr << '#' << std::setbase(16) << std::setfill('0')
<< setw(2) << col.r
<< setw(2) << col.g
<< setw(2) << col.b;
return ostr.str();
}
RGBColor::RGBColor(string const & x11hexname)
: r(0), g(0), b(0)
{
BOOST_ASSERT(x11hexname.size() == 7 && x11hexname[0] == '#');
r = hexstrToInt(x11hexname.substr(1,2));
g = hexstrToInt(x11hexname.substr(3,2));
b = hexstrToInt(x11hexname.substr(5,2));
}
RGBColor::RGBColor(HSVColor const & hsv)
{
double h = hsv.h;
double const s = hsv.s;
double const v = hsv.v;
double rd, gd, bd;
if (h == nohue || s == 0.0) {
rd = gd = bd = v;
} else {
if (h == 360.0) h = 0.0;
h /= 60.0;
int const j = max(0, static_cast<int>(::floor(h)));
//if (j < 0) j = 0;
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) {
case 0:
rd = v;
gd = t;
bd = p;
break;
case 1:
rd = q;
gd = v;
bd = p;
break;
case 2:
rd = p;
gd = v;
bd = t;
break;
case 3:
rd = p;
gd = q;
bd = v;
break;
case 4:
rd = t;
gd = p;
bd = v;
break;
case 5:
rd = v;
gd = p;
bd = q;
break;
default:
rd = v;
gd = t;
bd = p;
break; // should never happen.
}
}
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::HSVColor(RGBColor const & rgb)
{
double const r = rgb.r / 255.0;
double const g = rgb.g / 255.0;
double const b = rgb.b / 255.0;
double const maxval = max(max(r, g), b);
double const minval = min(min(r, g), b);
v = maxval;
double const diff = maxval - minval;
if (maxval != 0.0)
s = diff / maxval;
else
s = 0.0;
h = nohue;
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)
h = bc - gc;
else if (g == maxval)
h = 2.0 + rc - bc;
else if (b == maxval)
h = 4.0 + gc - rc;
h *= 60.0;
if (h < 0)
h += 360;
}
}
/////////////////////////////////////////////////////////////////////
//
// Color::Pimpl
//
/////////////////////////////////////////////////////////////////////
class Color::Pimpl {
public:
///
class information {
public:
/// the name as it appears in the GUI
string guiname;
/// the name used in LaTeX
string latexname;
/// the name for X11
string x11name;
/// the name for LyX
string lyxname;
};
/// initialise a color entry
void fill(ColorEntry const & entry)
{
information in;
in.lyxname = entry.lyxname;
in.latexname = entry.latexname;
in.x11name = entry.x11name;
in.guiname = entry.guiname;
infotab[entry.lcolor] = in;
lyxcolors[entry.lyxname] = entry.lcolor;
latexcolors[entry.latexname] = entry.lcolor;
}
///
typedef std::map<Color::color, information> InfoTab;
/// the table of color information
InfoTab infotab;
typedef std::map<string, Color::color> Transform;
/// the transform between LyX color name string and integer code.
Transform lyxcolors;
/// the transform between LaTeX color name string and integer code.
Transform latexcolors;
};
Color::Color()
: pimpl_(new Pimpl)
{
// Color::color, gui, latex, x11, lyx
static ColorEntry const items[] = {
{ none, N_("none"), "none", "black", "none" },
{ black, N_("black"), "black", "black", "black" },
{ white, N_("white"), "white", "white", "white" },
{ red, N_("red"), "red", "red", "red" },
{ green, N_("green"), "green", "green", "green" },
{ blue, N_("blue"), "blue", "blue", "blue" },
{ cyan, N_("cyan"), "cyan", "cyan", "cyan" },
{ magenta, N_("magenta"), "magenta", "magenta", "magenta" },
{ yellow, N_("yellow"), "yellow", "yellow", "yellow" },
{ cursor, N_("cursor"), "cursor", "black", "cursor" },
{ background, N_("background"), "background", "linen", "background" },
{ foreground, N_("text"), "foreground", "black", "foreground" },
{ selection, N_("selection"), "selection", "LightBlue", "selection" },
{ latex, N_("LaTeX text"), "latex", "DarkRed", "latex" },
{ preview, N_("previewed snippet"), "preview", "black", "preview" },
{ note, N_("note"), "note", "blue", "note" },
{ notebg, N_("note background"), "notebg", "yellow", "notebg" },
{ comment, N_("comment"), "comment", "magenta", "comment" },
{ commentbg, N_("comment background"), "commentbg", "linen", "commentbg" },
{ greyedout, N_("greyedout inset"), "greyedout", "red", "greyedout" },
{ greyedoutbg, N_("greyedout inset background"), "greyedoutbg", "linen", "greyedoutbg" },
{ shadedbg, N_("shaded box"), "shaded", "#ff0000", "shaded" },
{ depthbar, N_("depth bar"), "depthbar", "IndianRed", "depthbar" },
{ language, N_("language"), "language", "Blue", "language" },
{ command, N_("command inset"), "command", "black", "command" },
{ commandbg, N_("command inset background"), "commandbg", "azure", "commandbg" },
{ commandframe, N_("command inset frame"), "commandframe", "black", "commandframe" },
{ special, N_("special character"), "special", "RoyalBlue", "special" },
{ math, N_("math"), "math", "DarkBlue", "math" },
{ mathbg, N_("math background"), "mathbg", "linen", "mathbg" },
{ graphicsbg, N_("graphics background"), "graphicsbg", "linen", "graphicsbg" },
{ mathmacrobg, N_("Math macro background"), "mathmacrobg", "linen", "mathmacrobg" },
{ mathframe, N_("math frame"), "mathframe", "Magenta", "mathframe" },
{ mathcorners, N_("math corners"), "mathcorners", "linen", "mathcorners" },
{ mathline, N_("math line"), "mathline", "Blue", "mathline" },
{ captionframe, N_("caption frame"), "captionframe", "DarkRed", "captionframe" },
{ collapsable, N_("collapsable inset text"), "collapsable", "DarkRed", "collapsable" },
{ collapsableframe, N_("collapsable inset frame"), "collapsableframe", "IndianRed", "collapsableframe" },
{ insetbg, N_("inset background"), "insetbg", "grey80", "insetbg" },
{ insetframe, N_("inset frame"), "insetframe", "IndianRed", "insetframe" },
{ error, N_("LaTeX error"), "error", "Red", "error" },
{ eolmarker, N_("end-of-line marker"), "eolmarker", "Brown", "eolmarker" },
{ appendix, N_("appendix marker"), "appendix", "Brown", "appendix" },
{ changebar, N_("change bar"), "changebar", "Blue", "changebar" },
{ deletedtext, N_("Deleted text"), "deletedtext", "#ff0000", "deletedtext" },
{ addedtext, N_("Added text"), "addedtext", "#0000ff", "addedtext" },
{ added_space, N_("added space markers"), "added_space", "Brown", "added_space" },
{ topline, N_("top/bottom line"), "topline", "Brown", "topline" },
{ tabularline, N_("table line"), "tabularline", "black", "tabularline" },
{ tabularonoffline, N_("table on/off line"), "tabularonoffline",
"LightSteelBlue", "tabularonoffline" },
{ bottomarea, N_("bottom area"), "bottomarea", "grey40", "bottomarea" },
{ pagebreak, N_("page break"), "pagebreak", "RoyalBlue", "pagebreak" },
{ buttonframe, N_("frame of button"), "buttonframe", "#dcd2c8", "buttonframe" },
{ buttonbg, N_("button background"), "buttonbg", "#dcd2c8", "buttonbg" },
{ buttonhoverbg, N_("button background under focus"), "buttonhoverbg", "#C7C7CA", "buttonhoverbg" },
{ inherit, N_("inherit"), "inherit", "black", "inherit" },
{ ignore, N_("ignore"), "ignore", "black", "ignore" },
{ ignore, 0, 0, 0, 0 }
};
for (int i = 0; items[i].guiname; ++i)
pimpl_->fill(items[i]);
}
Color::Color(Color const & c)
: pimpl_(new Pimpl(*c.pimpl_))
{}
Color::~Color()
{}
Color & Color::operator=(Color tmp)
{
boost::swap(pimpl_, tmp.pimpl_);
return *this;
}
docstring const Color::getGUIName(Color::color c) const
{
Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
if (it != pimpl_->infotab.end())
return _(it->second.guiname);
return from_ascii("none");
}
string const Color::getX11Name(Color::color c) const
{
Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
if (it != pimpl_->infotab.end())
return it->second.x11name;
lyxerr << "LyX internal error: Missing color"
" entry in Color.cpp for " << c << '\n'
<< "Using black." << endl;
return "black";
}
string const Color::getLaTeXName(Color::color c) const
{
Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
if (it != pimpl_->infotab.end())
return it->second.latexname;
return "black";
}
string const Color::getLyXName(Color::color c) const
{
Pimpl::InfoTab::const_iterator it = pimpl_->infotab.find(c);
if (it != pimpl_->infotab.end())
return it->second.lyxname;
return "black";
}
bool Color::setColor(Color::color col, string const & x11name)
{
Pimpl::InfoTab::iterator it = pimpl_->infotab.find(col);
if (it == pimpl_->infotab.end()) {
lyxerr << "Color " << col << " not found in database."
<< std::endl;
return false;
}
// "inherit" is returned for colors not in the database
// (and anyway should not be redefined)
if (col == none || col == inherit || col == ignore) {
lyxerr << "Color " << getLyXName(col)
<< " may not be redefined" << endl;
return false;
}
it->second.x11name = x11name;
return true;
}
bool Color::setColor(string const & lyxname, string const &x11name)
{
string const lcname = ascii_lowercase(lyxname);
if (pimpl_->lyxcolors.find(lcname) == pimpl_->lyxcolors.end()) {
LYXERR(Debug::GUI)
<< "Color::setColor: Unknown color \""
<< lyxname << '"' << endl;
addColor(static_cast<color>(pimpl_->infotab.size()), lcname);
}
return setColor(pimpl_->lyxcolors[lcname], x11name);
}
void Color::addColor(Color::color c, string const & lyxname) const
{
ColorEntry ce = { c, "", "", "", lyxname.c_str() };
pimpl_->fill(ce);
}
Color::color Color::getFromLyXName(string const & lyxname) const
{
string const lcname = ascii_lowercase(lyxname);
if (pimpl_->lyxcolors.find(lcname) == pimpl_->lyxcolors.end()) {
lyxerr << "Color::getFromLyXName: Unknown color \""
<< lyxname << '"' << endl;
return none;
}
return pimpl_->lyxcolors[lcname];
}
Color::color Color::getFromLaTeXName(string const & latexname) const
{
if (pimpl_->latexcolors.find(latexname) == pimpl_->latexcolors.end()) {
lyxerr << "Color::getFromLaTeXName: Unknown color \""
<< latexname << '"' << endl;
return none;
}
return pimpl_->latexcolors[latexname];
}
// The evil global Color instance
Color lcolor;
// An equally evil global system Color instance
Color system_lcolor;
} // namespace lyx