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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1995 Matthias Ettrich
* Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/
#include <config.h>
#include <locale.h>
#ifdef __GNUG__
#pragma implementation "lyxfont.h"
#endif
#include <ctype.h>
#include "gettext.h"
#include "definitions.h"
#include "lyxfont.h"
#include "error.h"
#include "lyxrc.h"
#include "lyxlex.h"
#include "lyxdraw.h"
#include "FontLoader.h"
// $Id: lyxfont.C,v 1.2 1998/10/21 08:49:59 lasgoutt Exp $
#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: lyxfont.C,v 1.2 1998/10/21 08:49:59 lasgoutt Exp $";
#endif /* lint */
extern LyXRC * lyxrc;
// The global fontloader
FontLoader fontloader;
//
// Names for the GUI
//
LString const GUIFamilyNames[6] =
{ N_("Roman"), N_("Sans serif"), N_("Typewriter"), N_("Symbol"), N_("Inherit"),
N_("Ignore") };
LString const GUISeriesNames[4] =
{ N_("Medium"), N_("Bold"), N_("Inherit"), N_("Ignore") };
LString const GUIShapeNames[6] =
{ N_("Upright"), N_("Italic"), N_("Slanted"), N_("Smallcaps"), N_("Inherit"),
N_("Ignore") };
LString const GUISizeNames[14] =
{ N_("Tiny"), N_("Smallest"), N_("Smaller"), N_("Small"), N_("Normal"), N_("Large"),
N_("Larger"), N_("Largest"), N_("Huge"), N_("Huger"), N_("Increase"), N_("Decrease"),
N_("Inherit"), N_("Ignore") };
LString const lGUISizeNames[15] =
{ N_("tiny"), N_("smallest"), N_("smaller"), N_("small"), N_("normal"), N_("large"),
N_("larger"), N_("largest"), N_("huge"), N_("huger"), N_("increase"), N_("decrease"),
N_("inherit"), N_("ignore"), LString() };
LString const GUIMiscNames[5] =
{ N_("Off"), N_("On"), N_("Toggle"), N_("Inherit"), N_("Ignore") };
LString const GUIColorNames[13] =
{ N_("None"), N_("Black"), N_("White"), N_("Red"), N_("Green"), N_("Blue"),
N_("Cyan"), N_("Magenta"),
N_("Yellow"), N_("Math"), N_("Inset"), N_("Inherit"), N_("Ignore") };
//
// Strings used to read and write .lyx format files
//
LString const LyXFamilyNames[6] =
{ "roman", "sans", "typewriter", "symbol", "default", "error" };
LString const LyXSeriesNames[4] =
{ "medium", "bold", "default", "error" };
LString const LyXShapeNames[6] =
{ "up", "italic", "slanted", "smallcaps", "default", "error" };
LString const LyXSizeNames[14] =
{ "tiny", "scriptsize", "footnotesize", "small", "normal", "large",
"larger", "largest", "huge", "giant",
"increase-error", "decrease-error", "default", "error" };
LString const LyXMiscNames[12] =
{ "off", "on", "toggle", "default", "error" };
LString const LyXColorNames[13] =
{ "none", "black", "white", "red", "green", "blue", "cyan", "magenta",
"yellow", "matherror", "inseterror", "default", "error" };
//
// Strings used to write LaTeX files
//
LString const LaTeXFamilyNames[6] =
{ "textrm", "textsf", "texttt", "error1", "error2", "error3" };
LString const LaTeXSeriesNames[4] =
{ "textmd", "textbf", "error4", "error5" };
LString const LaTeXShapeNames[6] =
{ "textup", "textit", "textsl", "textsc", "error6", "error7" };
LString const LaTeXSizeNames[14] =
{ "tiny", "scriptsize", "footnotesize", "small", "normalsize", "large",
"Large", "LARGE", "huge", "Huge", "error8", "error9", "error10", "error11" };
LString const LaTeXColorNames[13] =
{ "none", "black", "white", "red", "green", "blue", "cyan", "magenta",
"yellow", "error12", "error13", "error14", "error15" };
/// Decreases font size by one
LyXFont& LyXFont::decSize()
{
switch (size()) {
case SIZE_HUGER: setSize(SIZE_HUGE); break;
case SIZE_HUGE: setSize(SIZE_LARGEST); break;
case SIZE_LARGEST: setSize(SIZE_LARGER); break;
case SIZE_LARGER: setSize(SIZE_LARGE); break;
case SIZE_LARGE: setSize(SIZE_NORMAL); break;
case SIZE_NORMAL: setSize(SIZE_SMALL); break;
case SIZE_SMALL: setSize(SIZE_FOOTNOTE); break;
case SIZE_FOOTNOTE: setSize(SIZE_SCRIPT); break;
case SIZE_SCRIPT: setSize(SIZE_TINY); break;
case SIZE_TINY: break;
case INCREASE_SIZE:
lyxerr.print("Can't LyXFont::decSize on INCREASE_SIZE");
break;
case DECREASE_SIZE:
lyxerr.print("Can't LyXFont::decSize on DECREASE_SIZE");
break;
case INHERIT_SIZE:
lyxerr.print("Can't LyXFont::decSize on INHERIT_SIZE");
break;
case IGNORE_SIZE:
lyxerr.print("Can't LyXFont::decSize on IGNORE_SIZE");
break;
}
return (*this);
}
/// Increases font size by one
LyXFont& LyXFont::incSize()
{
switch(size()) {
case SIZE_HUGER: break;
case SIZE_HUGE: setSize(SIZE_HUGER); break;
case SIZE_LARGEST: setSize(SIZE_HUGE); break;
case SIZE_LARGER: setSize(SIZE_LARGEST); break;
case SIZE_LARGE: setSize(SIZE_LARGER); break;
case SIZE_NORMAL: setSize(SIZE_LARGE); break;
case SIZE_SMALL: setSize(SIZE_NORMAL); break;
case SIZE_FOOTNOTE: setSize(SIZE_SMALL); break;
case SIZE_SCRIPT: setSize(SIZE_FOOTNOTE); break;
case SIZE_TINY: setSize(SIZE_SCRIPT); break;
case INCREASE_SIZE:
lyxerr.print("Can't LyXFont::incSize on INCREASE_SIZE");
break;
case DECREASE_SIZE:
lyxerr.print("Can't LyXFont::incSize on DECREASE_SIZE");
break;
case INHERIT_SIZE:
lyxerr.print("Can't LyXFont::incSize on INHERIT_SIZE");
break;
case IGNORE_SIZE:
lyxerr.print("Can't LyXFont::incSize on IGNORE_SIZE");
break;
}
return (*this);
}
/// Updates a misc setting according to request
LyXFont::FONT_MISC_STATE LyXFont::setMisc(FONT_MISC_STATE newfont,
FONT_MISC_STATE org)
{
if (newfont == TOGGLE) {
if (org == ON)
return OFF;
else if (org == OFF)
return ON;
else {
lyxerr.print("LyXFont::setMisc: Need state"
" ON or OFF to toggle. Setting to ON");
return ON;
}
} else if (newfont == IGNORE)
return org;
else
return newfont;
}
/// Updates font settings according to request
void LyXFont::update(LyXFont const & newfont, bool toggleall)
{
if(newfont.family() == family() && toggleall)
setFamily(INHERIT_FAMILY); // toggle 'back'
else if (newfont.family() != IGNORE_FAMILY)
setFamily(newfont.family());
// else it's IGNORE_SHAPE
// "Old" behaviour: "Setting" bold will toggle bold on/off.
switch (newfont.series()) {
case BOLD_SERIES:
// We toggle...
if (series() == BOLD_SERIES && toggleall)
setSeries(MEDIUM_SERIES);
else
setSeries(BOLD_SERIES);
break;
case MEDIUM_SERIES:
case INHERIT_SERIES:
setSeries(newfont.series());
break;
case IGNORE_SERIES:
break;
}
if(newfont.shape() == shape() && toggleall)
setShape(INHERIT_SHAPE); // toggle 'back'
else if (newfont.shape() != IGNORE_SHAPE)
setShape(newfont.shape());
// else it's IGNORE_SHAPE
if (newfont.size() != IGNORE_SIZE) {
if (newfont.size() == INCREASE_SIZE)
incSize();
else if (newfont.size() == DECREASE_SIZE)
decSize();
else if (newfont.size() == size() && toggleall)
setSize(INHERIT_SIZE); // toggle 'back'
else
setSize(newfont.size());
}
setEmph(setMisc(newfont.emph(), emph()));
setUnderbar(setMisc(newfont.underbar(), underbar()));
setNoun(setMisc(newfont.noun(), noun()));
setLatex(setMisc(newfont.latex(), latex()));
if(newfont.color() == color() && toggleall)
setColor(INHERIT_COLOR); // toggle 'back'
else if (newfont.color() != IGNORE_COLOR)
setColor(newfont.color());
}
/// Reduce font to fall back to template where possible
void LyXFont::reduce(LyXFont const & tmplt)
{
if (family() == tmplt.family())
setFamily(INHERIT_FAMILY);
if (series() == tmplt.series())
setSeries(INHERIT_SERIES);
if (shape() == tmplt.shape())
setShape(INHERIT_SHAPE);
if (size() == tmplt.size())
setSize(INHERIT_SIZE);
if (emph() == tmplt.emph())
setEmph(INHERIT);
if (underbar() == tmplt.underbar())
setUnderbar(INHERIT);
if (noun() == tmplt.noun())
setNoun(INHERIT);
if (latex() == tmplt.latex())
setLatex(INHERIT);
if (color() == tmplt.color())
setColor(INHERIT_COLOR);
}
/// Realize font from a template
// This one is not pretty, but it's extremely fast (Asger)
LyXFont & LyXFont::realize(LyXFont const & tmplt)
{
if (bits == inherit) {
bits = tmplt.bits;
return *this;
}
if ((bits & (Fam_Mask<<Fam_Pos)) == (ui32(INHERIT_FAMILY)<<Fam_Pos))
{
bits &= ~(Fam_Mask << Fam_Pos);
bits |= (tmplt.bits & Fam_Mask << Fam_Pos);
}
if ((bits & (Ser_Mask<<Ser_Pos)) == (ui32(INHERIT_SERIES)<<Ser_Pos))
{
bits &= ~(Ser_Mask << Ser_Pos);
bits |= (tmplt.bits & Ser_Mask << Ser_Pos);
}
if ((bits & (Sha_Mask << Sha_Pos)) == ui32(INHERIT_SHAPE) << Sha_Pos)
{
bits &= ~(Sha_Mask << Sha_Pos);
bits |= (tmplt.bits & Sha_Mask << Sha_Pos);
}
if ((bits & (Siz_Mask << Siz_Pos)) == ui32(INHERIT_SIZE) << Siz_Pos)
{
bits &= ~(Siz_Mask << Siz_Pos);
bits |= (tmplt.bits & Siz_Mask << Siz_Pos);
}
if ((bits & (Misc_Mask << Emp_Pos)) == ui32(INHERIT) << Emp_Pos)
{
bits &= ~(Misc_Mask << Emp_Pos);
bits |= (tmplt.bits & Misc_Mask << Emp_Pos);
}
if ((bits & (Misc_Mask << Und_Pos)) == ui32(INHERIT) << Und_Pos)
{
bits &= ~(Misc_Mask << Und_Pos);
bits |= (tmplt.bits & Misc_Mask << Und_Pos);
}
if ((bits & (Misc_Mask << Nou_Pos)) == ui32(INHERIT) << Nou_Pos)
{
bits &= ~(Misc_Mask << Nou_Pos);
bits |= (tmplt.bits & Misc_Mask << Nou_Pos);
}
if ((bits & (Misc_Mask << Lat_Pos)) == ui32(INHERIT) << Lat_Pos)
{
bits &= ~(Misc_Mask << Lat_Pos);
bits |= (tmplt.bits & Misc_Mask << Lat_Pos);
}
if ((bits & (Col_Mask << Col_Pos)) == ui32(INHERIT_COLOR) << Col_Pos)
{
bits &= ~(Col_Mask << Col_Pos);
bits |= (tmplt.bits & Col_Mask << Col_Pos);
}
return *this;
}
/// Is font resolved?
bool LyXFont::resolved() const
{
return (family() != INHERIT_FAMILY && series() != INHERIT_SERIES &&
shape() != INHERIT_SHAPE && size() != INHERIT_SIZE &&
emph() != INHERIT && underbar() != INHERIT &&
noun() != INHERIT && latex() != INHERIT &&
color() != INHERIT_COLOR);
}
/// Build GUI description of font state
LString LyXFont::stateText() const
{
LString buf;
if (family() != INHERIT_FAMILY)
buf += LString(_(GUIFamilyNames[family()].c_str())) + ", ";
if (series() != INHERIT_SERIES)
buf += LString(_(GUISeriesNames[series()].c_str())) + ", ";
if (shape() != INHERIT_SHAPE)
buf += LString(_(GUIShapeNames[shape()].c_str())) + ", ";
if (size() != INHERIT_SIZE)
buf += LString(_(GUISizeNames[size()].c_str())) + ", ";
if (color() != INHERIT_COLOR)
buf += LString(_(GUIColorNames[color()].c_str())) + ", ";
if (emph() != INHERIT)
buf += LString(_("Emphasis ")) + _(GUIMiscNames[emph()].c_str()) + ", ";
if (underbar() != INHERIT)
buf += LString(_("Underline ")) + _(GUIMiscNames[underbar()].c_str()) + ", ";
if (noun() != INHERIT)
buf += LString(_("Noun ")) + _(GUIMiscNames[noun()].c_str()) + ", ";
if (latex() != INHERIT)
buf += LString(_("Latex ")) + _(GUIMiscNames[latex()].c_str()) + ", ";
if (buf.empty())
buf = _("Default");
buf.strip(' ');
buf.strip(',');
return buf;
}
// Set family according to lyx format string
LyXFont& LyXFont::setLyXFamily(LString const & fam)
{
LString s = fam;
s.lowercase();
int i=0;
while (s != LyXFamilyNames[i] && LyXFamilyNames[i] != "error") i++;
if (s == LyXFamilyNames[i]) {
setFamily(LyXFont::FONT_FAMILY(i));
} else
lyxerr.print("LyXFont::setLyXFamily: Unknown family `"+s+'\'');
return (*this);
}
// Set series according to lyx format string
LyXFont& LyXFont::setLyXSeries(LString const & ser)
{
LString s = ser;
s.lowercase();
int i=0;
while (s != LyXSeriesNames[i] && LyXSeriesNames[i] != "error") i++;
if (s == LyXSeriesNames[i]) {
setSeries(LyXFont::FONT_SERIES(i));
} else
lyxerr.print("LyXFont::setLyXSeries: Unknown series `"+s+'\'');
return (*this);
}
// Set shape according to lyx format string
LyXFont& LyXFont::setLyXShape(LString const & sha)
{
LString s = sha;
s.lowercase();
int i=0;
while (s != LyXShapeNames[i] && LyXShapeNames[i] != "error") i++;
if (s == LyXShapeNames[i]) {
setShape(LyXFont::FONT_SHAPE(i));
} else
lyxerr.print("LyXFont::setLyXShape: Unknown shape `"+s+'\'');
return (*this);
}
// Set size according to lyx format string
LyXFont& LyXFont::setLyXSize(LString const & siz)
{
LString s = siz;
s.lowercase();
int i=0;
while (s != LyXSizeNames[i] && LyXSizeNames[i] != "error") i++;
if (s == LyXSizeNames[i]) {
setSize(LyXFont::FONT_SIZE(i));
} else
lyxerr.print("LyXFont::setLyXSize: Unknown size `"+s+'\'');
return (*this);
}
// Set size according to lyx format string
LyXFont::FONT_MISC_STATE LyXFont::setLyXMisc(LString const & siz)
{
LString s = siz;
s.lowercase();
int i=0;
while (s != LyXMiscNames[i] && LyXMiscNames[i] != "error") i++;
if (s == LyXMiscNames[i])
return FONT_MISC_STATE(i);
lyxerr.print("LyXFont::setLyXMisc: Unknown misc flag `"+s+'\'');
return OFF;
}
/// Sets color after LyX text format
LyXFont& LyXFont::setLyXColor(LString const & col)
{
LString s = col;
s.lowercase();
int i=0;
while (s != LyXColorNames[i] && LyXColorNames[i] != "error") i++;
if (s == LyXColorNames[i]) {
setColor(LyXFont::FONT_COLOR(i));
} else
lyxerr.print("LyXFont::setLyXColor: Unknown Color `"+s+'\'');
return (*this);
}
/// Sets size after GUI name
LyXFont& LyXFont::setGUISize(LString const & siz)
{
LString s = siz;
s.lowercase();
int i=0;
while (!lGUISizeNames[i].empty() &&
s != _(lGUISizeNames[i].c_str()))
i++;
if (s == _(lGUISizeNames[i].c_str())) {
setSize(LyXFont::FONT_SIZE(i));
} else
lyxerr.print("LyXFont::setGUISize: Unknown Size `"+s+'\'');
return (*this);
}
// Returns size in latex format
LString LyXFont::latexSize() const
{
return LaTeXSizeNames[size()];
}
// Read a font definition from given file in lyx format
// Used for layouts
LyXFont & LyXFont::lyxRead(LyXLex & lex)
{
bool error = false;
bool finished = false;
while (!finished && lex.IsOK() && !error) {
lex.next();
LString tok = lex.GetString();
tok.lowercase();
if (tok.empty()) {
continue;
} else if (tok == "endfont") {
finished = true;
} else if (tok == "family") {
lex.next();
LString tok = lex.GetString();
setLyXFamily(tok);
} else if (tok == "series") {
lex.next();
LString tok = lex.GetString();
setLyXSeries(tok);
} else if (tok == "shape") {
lex.next();
LString tok = lex.GetString();
setLyXShape(tok);
} else if (tok == "size") {
lex.next();
LString tok = lex.GetString();
setLyXSize(tok);
} else if (tok == "latex") {
lex.next();
LString tok = lex.GetString();
tok.lowercase();
if (tok == "no_latex") {
setLatex(OFF);
} else if (tok == "latex") {
setLatex(ON);
} else {
lex.printError("Illegal LaTeX type`$$Token'");
}
} else if (tok == "misc") {
lex.next();
LString tok = lex.GetString();
tok.lowercase();
if (tok == "no_bar") {
setUnderbar(OFF);
} else if (tok == "no_emph") {
setEmph(OFF);
} else if (tok == "no_noun") {
setNoun(OFF);
} else if (tok == "emph") {
setEmph(ON);
} else if (tok == "underbar") {
setUnderbar(ON);
} else if (tok == "noun") {
setNoun(ON);
} else {
lex.printError("Illegal misc type `$$Token´");
}
} else if (tok == "color") {
lex.next();
LString tok = lex.GetString();
setLyXColor(tok);
} else {
lex.printError("Unknown tag `$$Token'");
error = true;
}
}
return *this;
}
/// Writes the changes from this font to orgfont in .lyx format in file
void LyXFont::lyxWriteChanges(LyXFont const & orgfont, FILE * file) const
{
fprintf(file, "\n");
if (orgfont.family() != family()) {
fprintf(file, "\\family %s \n",
LyXFamilyNames[family()].c_str());
}
if (orgfont.series() != series()) {
fprintf(file, "\\series %s \n",
LyXSeriesNames[series()].c_str());
}
if (orgfont.shape() != shape()) {
fprintf(file, "\\shape %s \n", LyXShapeNames[shape()].c_str());
}
if (orgfont.size() != size()) {
fprintf(file, "\\size %s \n", LyXSizeNames[size()].c_str());
}
if (orgfont.emph() != emph()) {
fprintf(file, "\\emph %s \n", LyXMiscNames[emph()].c_str());
}
if (orgfont.underbar() != underbar()) {
// This is only for backwards compatibility
switch (underbar()) {
case OFF: fprintf(file, "\\bar no \n"); break;
case ON: fprintf(file, "\\bar under \n"); break;
case TOGGLE: lyxerr.print("LyXFont::lyxWriteFontChanges: "
"TOGGLE should not appear here!");
break;
case INHERIT: fprintf(file, "\\bar default \n"); break;
case IGNORE: lyxerr.print("LyXFont::lyxWriteFontChanges: "
"IGNORE should not appear here!");
break;
}
}
if (orgfont.noun() != noun()) {
fprintf(file, "\\noun %s \n", LyXMiscNames[noun()].c_str());
}
if (orgfont.latex() != latex()) {
// This is only for backwards compatibility
switch (latex()) {
case OFF: fprintf(file, "\\latex no_latex \n"); break;
case ON: fprintf(file, "\\latex latex \n"); break;
case TOGGLE: lyxerr.print("LyXFont::lyxWriteFontChanges: "
"TOGGLE should not appear here!");
break;
case INHERIT: fprintf(file, "\\latex default \n"); break;
case IGNORE: lyxerr.print("LyXFont::lyxWriteFontChanges: "
"IGNORE should not appear here!");
break;
}
}
if (orgfont.color() != color()) {
fprintf(file, "\\color %s\n", LyXColorNames[color()].c_str());
}
}
/// Writes the head of the LaTeX needed to impose this font
// Returns number of chars written.
int LyXFont::latexWriteStartChanges(FILE * file, LyXFont const & base) const
{
LString font;
int count = latexWriteStartChanges(font, base);
fprintf(file, "%s", font.c_str());
return count;
}
/// Writes the head of the LaTeX needed to impose this font
// Returns number of chars written.
int LyXFont::latexWriteStartChanges(LString & file, LyXFont const & base) const
{
LyXFont f = *this;
f.reduce(base);
if (f.bits == inherit)
return 0;
int count = 0;
bool env = false;
if (f.family() != INHERIT_FAMILY) {
file += '\\';
file += LaTeXFamilyNames[f.family()];
file += '{';
count += LaTeXFamilyNames[f.family()].length() + 2;
env = true; //We have opened a new environment
}
if (f.series() != INHERIT_SERIES) {
file += '\\';
file += LaTeXSeriesNames[f.series()];
file += '{';
count += LaTeXSeriesNames[f.series()].length() + 2;
env = true; //We have opened a new environment
}
if (f.shape() != INHERIT_SHAPE) {
file += '\\';
file += LaTeXShapeNames[f.shape()];
file += '{';
count += LaTeXShapeNames[f.shape()].length() + 2;
env = true; //We have opened a new environment
}
if (f.color() != INHERIT_COLOR) {
file += "\\textcolor{";
file += LaTeXColorNames[f.color()];
file += "}{";
count += LaTeXColorNames[f.color()].length() + 13;
env = true; //We have opened a new environment
}
if (f.emph() == ON) {
file += "\\emph{";
count += 6;
env = true; //We have opened a new environment
}
if (f.underbar() == ON) {
file += "\\underbar{";
count += 10;
env = true; //We have opened a new environment
}
// \noun{} is a LyX special macro
if (f.noun() == ON) {
file += "\\noun{";
count += 8;
env = true; //We have opened a new environment
}
if (f.size() != INHERIT_SIZE) {
// If we didn't open an environment above, we open one here
if (!env) {
file += '{';
count++;
}
file += '\\';
file += LaTeXSizeNames[f.size()];
file += ' ';
count += LaTeXSizeNames[f.size()].length() + 2;
}
return count;
}
/// Writes ending block of LaTeX needed to close use of this font
// Returns number of chars written
// This one corresponds to latexWriteStartChanges(). (Asger)
int LyXFont::latexWriteEndChanges(FILE * file, LyXFont const & base) const
{
LString ending;
int count = latexWriteEndChanges(ending, base);
fprintf(file, "%s", ending.c_str());
return count;
}
/// Writes ending block of LaTeX needed to close use of this font
// Returns number of chars written
// This one corresponds to latexWriteStartChanges(). (Asger)
int LyXFont::latexWriteEndChanges(LString & file, LyXFont const & base) const
{
LyXFont f = *this; // why do you need this?
f.reduce(base); // why isn't this just "reduce(base);" (Lgb)
// Because this function is const. Everything breaks if this
// method changes the font it represents. There is no speed penalty
// by using the temporary. (Asger)
if (f.bits == inherit)
return 0;
int count = 0;
bool env = false;
if (f.family() != INHERIT_FAMILY) {
file += '}';
++count;
env = true; // Size change need not bother about closing env.
}
if (f.series() != INHERIT_SERIES) {
file += '}';
++count;
env = true; // Size change need not bother about closing env.
}
if (f.shape() != INHERIT_SHAPE) {
file += '}';
++count;
env = true; // Size change need not bother about closing env.
}
if (f.color() != INHERIT_COLOR) {
file += '}';
++count;
env = true; // Size change need not bother about closing env.
}
if (f.emph() == ON) {
file += '}';
++count;
env = true; // Size change need not bother about closing env.
}
if (f.underbar() == ON) {
file += '}';
++count;
env = true; // Size change need not bother about closing env.
}
if (f.noun() == ON) {
file += '}';
++count;
env = true; // Size change need not bother about closing env.
}
if (f.size() != INHERIT_SIZE) {
// We only have to close if only size changed
if (!env) {
file += '}';
++count;
}
}
return count;
}
// Convert logical attributes to concrete shape attribute
LyXFont::FONT_SHAPE LyXFont::realShape() const
{
register FONT_SHAPE s = shape();
if (emph() == ON) {
if (s == UP_SHAPE)
s = ITALIC_SHAPE;
else
s = UP_SHAPE;
}
if (noun() == ON)
s = SMALLCAPS_SHAPE;
return s;
}
GC LyXFont::getGC() const
{
GC gc;
if (latex() == ON)
gc = ::getGC(gc_latex);
else {
if (color() == NONE)
gc = ::getGC(gc_copy);
else if (color() == MATH)
gc = ::getGC(gc_math);
else if (color() == INSET)
gc = ::getGC(gc_foot);
else
gc = ::GetColorGC(color());
}
XSetFont(fl_display, gc, getXFontstruct()->fid);
return gc;
}
XFontStruct* LyXFont::getXFontstruct() const
{
return fontloader.load(family(),series(),realShape(),size());
}
int LyXFont::maxAscent() const
{
return getXFontstruct()->ascent;
}
int LyXFont::maxDescent() const
{
return getXFontstruct()->descent;
}
int LyXFont::ascent(char c) const
{
XFontStruct *finfo = getXFontstruct();
if (finfo->per_char
&& (unsigned int) c >= finfo->min_char_or_byte2
&& (unsigned int) c <= finfo->max_char_or_byte2) {
unsigned int index = (unsigned int) c - finfo->min_char_or_byte2;
return finfo->per_char[index].ascent;
} else
return finfo->ascent;
}
int LyXFont::descent(char c) const
{
XFontStruct *finfo = getXFontstruct();
if (finfo->per_char
&& (unsigned int) c >= finfo->min_char_or_byte2
&& (unsigned int) c <= finfo->max_char_or_byte2) {
unsigned int index = (unsigned int) c - finfo->min_char_or_byte2;
return finfo->per_char[index].descent;
} else
return finfo->descent;
}
// Specialized after profiling. (Asger)
int LyXFont::width(char c) const
{
if (realShape() != LyXFont::SMALLCAPS_SHAPE){
return XTextWidth(getXFontstruct(), &c, 1);
} else {
return textWidth(&c, 1);
}
}
int LyXFont::textWidth(char const *s, int n) const
{
if (realShape() != LyXFont::SMALLCAPS_SHAPE){
return XTextWidth(getXFontstruct(), s, n);
} else {
// emulate smallcaps since X doesn't support this
unsigned int result = 0;
char c;
LyXFont smallfont = *this;
smallfont.decSize();
smallfont.decSize();
smallfont.setShape(LyXFont::UP_SHAPE);
for (int i=0; i < n; i++){
c = s[i];
if (islower((unsigned char) c)){
c = toupper( (unsigned char) c );
result += XTextWidth(smallfont.getXFontstruct(), &c, 1);
} else {
result += XTextWidth(getXFontstruct(), &c, 1);
}
}
return result;
}
}
int LyXFont::stringWidth(LString const & s) const
{
if (s.empty()) return 0;
return textWidth(s.c_str(), s.length());
}
int LyXFont::signedStringWidth(LString const & s) const
{
if (s.empty()) return 0;
if (s.c_str()[0] == '-')
return -textWidth(s.c_str()+1, s.length()-1);
else
return textWidth(s.c_str(), s.length());
}
int LyXFont::drawText(char const* s, int n, Pixmap pm,
int baseline, int x) const
{
if (realShape() != LyXFont::SMALLCAPS_SHAPE) {
XDrawString(fl_display,
pm,
getGC(),
x, baseline,
s, n);
XFlush(fl_display);
return XTextWidth(getXFontstruct(), s, n);
} else {
// emulate smallcaps since X doesn't support this
int i;
char c;
int sx = x;
LyXFont smallfont = *this;
smallfont.decSize();
smallfont.decSize();
smallfont.setShape(LyXFont::UP_SHAPE);
for (i=0; i < n; i++){
c = s[i];
if (islower((unsigned char) c)){
c = toupper((unsigned char) c);
XDrawString(fl_display,
pm,
smallfont.getGC(),
x, baseline,
&c, 1);
x += XTextWidth(smallfont.getXFontstruct(), &c, 1);
XFlush(fl_display);
} else {
XDrawString(fl_display,
pm,
getGC(),
x, baseline,
&c, 1);
x += XTextWidth(getXFontstruct(), &c, 1);
XFlush(fl_display);
}
}
return x - sx;
}
}
int LyXFont::drawString(LString const &s, Pixmap pm, int baseline, int x) const
{
return drawText(s.c_str(), s.length(), pm, baseline, x);
}
bool LyXFont::equalExceptLatex(LyXFont const &f) const
{
LyXFont f1 = *this;
f1.setLatex(f.latex());
return f1 == f;
}
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