-// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
- * Copyright (C) 1997 Asger Alstrup
+ * Copyright 1997 Asger Alstrup
* and the LyX Team.
*
* ====================================================== */
#include <config.h>
-#include <cmath> // fabs()
-#include <cstdlib> // atoi()
#ifdef __GNUG__
-#pragma implementation "FontInfo.h"
+#pragma implementation
#endif
#include "FontInfo.h"
#include "debug.h"
#include "lyxrc.h" // lyxrc.use_scalable_fonts
+
#include "support/lstrings.h"
+#include "support/lyxlib.h"
+
+#include "frontends/GUIRunTime.h"
+
+#include <cmath> // abs()
+
+using std::endl;
+using std::abs;
-extern LyXRC * lyxrc;
/// Load font close to this size
-string FontInfo::getFontname(int size)
+string const FontInfo::getFontname(int size)
{
if (!exist())
return string();
int closestind = -1;
- double error = 100000;
+ double error = 100000.0;
for (int i = 0; i < matches; ++i) {
if (sizes[i] == 0) {
lyxerr[Debug::FONT] << "Exact font match with\n"
<< strings[i] << endl;
return strings[i];
- } else if (fabs(sizes[i] - size - 0.1) < error) {
- error = fabs(sizes[i] - size - 0.1);
+ } else if (abs(sizes[i] - size - 0.1) < error) {
+ error = abs(sizes[i] - size - 0.1);
closestind = i;
}
}
- if (scalable && lyxrc->use_scalable_fonts) {
+ if (scalable && (lyxrc.use_scalable_fonts || closestind == -1)) {
// We can use scalable
- string font = resize(strings[scaleindex], size);
+ string const font = resize(strings[scaleindex], size);
lyxerr[Debug::FONT] << "Using scalable font to get\n"
<< font << endl;
return font;
// Did any fonts get close?
if (closestind == -1) {
- // No, and we are not allowed to use scalables, so...
+ // No, so...
return string();
}
return strings[closestind];
}
+
/// Build newly sized font string
-string FontInfo::resize(string const & font, int size) const {
+string const FontInfo::resize(string const & font, int size) const
+{
+ string ret(font);
// Find the position of the size spec
-#ifdef WITH_WARNINGS
-#warning rewrite to use std::string constructs
-#endif
- int cut = 0, before = 0, after = 0;
- for (string::size_type i = 0; i < font.length(); ++i) {
- if (font[i] == '-') {
+ int cut = 0;
+ string::iterator before = string::iterator(0);
+ string::iterator after = string::iterator(0);
+ for (string::iterator sit = ret.begin();
+ sit != ret.end(); ++sit)
+ if ((*sit) == '-') {
++cut;
- if (cut == 7) {
- before = i;
- } else if (cut == 8) {
- after = i;
+ if (cut == 7) before = sit + 1;
+ else if (cut == 8) {
+ after = sit;
break;
}
}
- }
-
- string head = font;
- head.erase(before + 1, string::npos);
- string tail = font;
- tail.erase(0, after);
- return head + tostr(size) + tail;
+ ret.replace(before, after, tostr(size));
+ return ret;
}
+
/// Set new pattern
void FontInfo::setPattern(string const & pat)
{
- release();
init();
pattern = pat;
}
+
/// Query font in X11
void FontInfo::query()
{
return;
if (pattern.empty()) {
- lyxerr << "Can not use empty font name for font query." << endl;
+ lyxerr << "Cannot use empty font name for font query."
+ << endl;
queried = true;
return;
}
- char ** list = XListFonts(fl_display, pattern.c_str(), 100, &matches);
+ char ** list = 0;
+ if (lyxrc.use_gui)
+ list = XListFonts(GUIRunTime::x11Display(), pattern.c_str(),
+ 100, &matches);
if (list == 0) {
// No fonts matched
scalable = false;
- sizes = 0;
+ sizes.reset();
} else {
- release();
- sizes = new int[matches];
- strings = new string[matches];
+ sizes.reset(new int[matches]);
+ strings.reset(new string[matches]);
// We have matches. Run them through
- for(int i = 0; i < matches; ++i) {
+ for (int i = 0; i < matches; ++i) {
string name(list[i]);
- sizes[i] = atoi(token(name, '-', 7).c_str());
+ lyxerr[Debug::FONT] << "match #" << i << " "
+ << name << endl;
+ sizes[i] = lyx::atoi(token(name, '-', 7));
strings[i] = name;
if (sizes[i] == 0) {
if (scaleindex == -1) {
queried = true;
}
-/// Release allocated stuff
-void FontInfo::release()
+
+void FontInfo::init()
{
- if (sizes) {
- delete [] sizes;
- sizes = 0;
- }
- if (strings) {
- delete [] strings;
- strings = 0;
- }
+ sizes.reset();
+ strings.reset();
+ matches = 0;
+ queried = false;
+ scalable = false;
+ scaleindex = -1;
}