+/* This file is part of
+ * ======================================================
+ *
+ * LyX, The Document Processor
+ *
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2000 The LyX Team.
+ *
+ * ====================================================== */
+
#include <config.h>
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+#include <cctype>
+
#include "font.h"
#include "FontLoader.h"
#include "lyxrc.h"
+#include "encoding.h"
+#include "language.h"
-extern LyXRC lyxrc;
+namespace {
-// namespace {
-static inline
+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 c, LyXFont const & f)
+int lyxfont::width(char const * s, size_t n, LyXFont const & f)
{
- if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
- return lyxrc.use_gui ? ::XTextWidth(getXFontstruct(f), &c, 1)
- : 1;
- } else {
- LyXFont smallfont(f);
- smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
- if (islower(static_cast<unsigned char>(c))) {
- c = toupper(c);
- return ::XTextWidth(getXFontstruct(smallfont), &c, 1);
- } else {
- return ::XTextWidth(getXFontstruct(f), &c, 1);
+ if (!lyxrc.use_gui)
+ return n;
+
+ if (lyxrc.font_norm_type == LyXRC::ISO_10646_1) {
+ XChar2b * xs = new XChar2b[n];
+ Encoding const * encoding = f.language()->encoding();
+ //LyXFont const * font = &f;
+ LyXFont font(f);
+ if (f.family() == LyXFont::SYMBOL_FAMILY) {
+#ifdef USE_UNICODE_FOR_SYMBOLS
+ //LyXFont font2 = f;
+ font.setFamily(LyXFont::ROMAN_FAMILY);
+ font.setShape(LyXFont::UP_SHAPE);
+ //font = &font2;
+#endif
+ encoding = encodings.symbol_encoding();
}
+ 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;
+ return result;
}
-}
-
-int lyxfont::width(char const * s, int n, LyXFont const & f)
-{
- if (!lyxrc.use_gui)
- return n;
-
if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
return ::XTextWidth(getXFontstruct(f), s, n);
} else {
char c;
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
- for (int i = 0; i < n; ++i) {
+ for (size_t 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))) {
int lyxfont::signedWidth(string const & s, LyXFont const & f)
{
if (s.empty()) return 0;
- if (s.c_str()[0] == '-')
- return -width(s.c_str() + 1, s.length() - 1, f);
+ if (s[0] == '-')
+ return -width(s.substr(1, s.length() - 1), f);
else
- return width(s.c_str(), s.length(), f);
+ return width(s, f);
}
-int lyxfont::XTextWidth(LyXFont const & f, char * str, int count)
+//int lyxfont::width(wstring const & s, int n, LyXFont const & f)
+int lyxfont::width(XChar2b const * s, int n, LyXFont const & f)
+{
+ 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};
+ 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);
+ result += ::XTextWidth16(getXFontstruct(smallfont), &c, 1);
+ } else {
+ result += ::XTextWidth16(getXFontstruct(f), &s[i], 1);
+ }
+ }
+ return result;
+ }
+}
+
+int lyxfont::XTextWidth(LyXFont const & f, char const * str, int count)
{
return ::XTextWidth(getXFontstruct(f), str, count);
}
+int lyxfont::XTextWidth16(LyXFont const & f, XChar2b const * str, int count)
+{
+ return ::XTextWidth16(getXFontstruct(f), str, count);
+}
+
+
void lyxfont::XSetFont(Display * display, GC gc, LyXFont const & f)
{
::XSetFont(display, gc, getFontID(f));
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