/* This file is part of
- * ======================================================
- *
+ * ======================================================
+ *
* LyX, The Document Processor
- *
+ *
* Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+ * Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
#pragma implementation
#endif
-#include <cctype>
-
+#include "support/lstrings.h"
#include "font.h"
#include "FontLoader.h"
#include "lyxrc.h"
#include "encoding.h"
+#include "language.h"
+
+#include <boost/smart_ptr.hpp>
-// namespace {
-static inline
+
+namespace {
+
+inline
XFontStruct * getXFontstruct(LyXFont const & f)
{
return fontloader.load(f.family(), f.series(),
}
-static inline
+inline
XID getFontID(LyXFont const & f)
{
return getXFontstruct(f)->fid;
}
-// } // end of anon namespace
+
+} // namespace anon
int lyxfont::maxAscent(LyXFont const & f)
{
unsigned int uc = static_cast<unsigned char>(c);
if (finfo->per_char
&& uc >= finfo->min_char_or_byte2
- && uc <= finfo->max_char_or_byte2)
+ && uc <= finfo->max_char_or_byte2+256*finfo->max_byte1)
return finfo->per_char[uc - finfo->min_char_or_byte2].ascent;
else
return finfo->ascent;
unsigned int uc = static_cast<unsigned char>(c);
if (finfo->per_char
&& uc >= finfo->min_char_or_byte2
- && uc <= finfo->max_char_or_byte2)
+ && uc <= finfo->max_char_or_byte2+256*finfo->max_byte1)
return finfo->per_char[uc - finfo->min_char_or_byte2].descent;
else
return finfo->descent;
unsigned int uc = static_cast<unsigned char>(c);
if (finfo->per_char
&& uc >= finfo->min_char_or_byte2
- && uc <= finfo->max_char_or_byte2)
+ && uc <= finfo->max_char_or_byte2+256*finfo->max_byte1)
return finfo->per_char[uc - finfo->min_char_or_byte2].lbearing;
else
return 0;
unsigned int uc = static_cast<unsigned char>(c);
if (finfo->per_char
&& uc >= finfo->min_char_or_byte2
- && uc <= finfo->max_char_or_byte2)
+ && uc <= finfo->max_char_or_byte2+256*finfo->max_byte1)
return finfo->per_char[uc - finfo->min_char_or_byte2].rbearing;
else
return width(c, f);
}
-int lyxfont::width(char const * s, int n, LyXFont const & f)
+int lyxfont::width(char const * s, size_t n, LyXFont const & f)
{
if (!lyxrc.use_gui)
return n;
if (lyxrc.font_norm_type == LyXRC::ISO_10646_1) {
- XChar2b * xs = new XChar2b[n];
+ boost::scoped_array<XChar2b> xs(new XChar2b[n]);
Encoding const * encoding = f.language()->encoding();
- LyXFont const * font = &f;
- if (f.family() == LyXFont::SYMBOL_FAMILY) {
+ LyXFont font(f);
+ if (f.isSymbolFont()) {
#ifdef USE_UNICODE_FOR_SYMBOLS
- LyXFont font2 = f;
- font2.setFamily(LyXFont::ROMAN_FAMILY);
- font2.setShape(LyXFont::UP_SHAPE);
- font = &font2;
+ font.setFamily(LyXFont::ROMAN_FAMILY);
+ font.setShape(LyXFont::UP_SHAPE);
#endif
- encoding = &symbol_encoding;
+ encoding = encodings.symbol_encoding();
}
- for (int i = 0; i < n; ++i) {
+ for (size_t i = 0; i < n; ++i) {
Uchar c = encoding->ucs(s[i]);
xs[i].byte1 = c >> 8;
xs[i].byte2 = c & 0xff;
- }
- int result = width(xs, n, *font);
- delete[] xs;
+ }
+ int result = width(xs.get(), n, font);
return result;
}
} else {
// emulate smallcaps since X doesn't support this
unsigned int result = 0;
- char c;
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
- for (int i = 0; i < n; ++i) {
- c = s[i];
- // when islower is a macro, the cast is needed (JMarc)
- if (islower(static_cast<unsigned char>(c))) {
- c = toupper(c);
+ for (size_t i = 0; i < n; ++i) {
+ char const c = uppercase(s[i]);
+ if (c != s[i]) {
result += ::XTextWidth(getXFontstruct(smallfont), &c, 1);
} else {
result += ::XTextWidth(getXFontstruct(f), &c, 1);
int lyxfont::signedWidth(string const & s, LyXFont const & f)
{
- if (s.empty()) return 0;
+ if (s.empty())
+ return 0;
if (s[0] == '-')
return -width(s.substr(1, s.length() - 1), f);
else
{
if (!lyxrc.use_gui)
return n;
-
+
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
return ::XTextWidth16(getXFontstruct(f), s, n);
} else {
// emulate smallcaps since X doesn't support this
unsigned int result = 0;
- static XChar2b c = {0, 0};
+ static XChar2b c;
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
for (int i = 0; i < n; ++i) {
- if (s[i].byte1 == 0 && islower(s[i].byte2)) {
- c.byte2 = toupper(s[i].byte2);
+ if (s[i].byte1)
+ c = s[i];
+ else {
+ c.byte1 = s[i].byte1;
+ c.byte2 = uppercase(s[i].byte2);
+ }
+ if (c.byte2 != s[i].byte2) {
result += ::XTextWidth16(getXFontstruct(smallfont), &c, 1);
} else {
result += ::XTextWidth16(getXFontstruct(f), &s[i], 1);
- }
+ }
}
return result;
}
}
-void lyxfont::XSetFont(Display * display, GC gc, LyXFont const & f)
+void lyxfont::XSetFont(Display * display, GC gc, LyXFont const & f)
{
::XSetFont(display, gc, getFontID(f));
}
+
+void lyxfont::rectText(string const & str, LyXFont const & font,
+ int & width, int & ascent, int & descent)
+{
+ static int const d = 2;
+ width = lyxfont::width(str, font) + d * 2 + 2;
+ ascent = lyxfont::maxAscent(font) + d;
+ descent = lyxfont::maxDescent(font) + d;
+}
+
+
+
+void lyxfont::buttonText(string const & str, LyXFont const & font,
+ int & width, int & ascent, int & descent)
+{
+ static int const d = 3;
+
+ width = lyxfont::width(str, font) + d * 2 + 2;
+ ascent = lyxfont::maxAscent(font) + d;
+ descent = lyxfont::maxDescent(font) + d;
+}
+
+
//} // end of namespace font
//} // end of namespace lyx