-/* This file is part of
- * ======================================================
+/**
+ * \file xfont_metrics.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * LyX, The Document Processor
+ * \author unknown
+ * \author John Levon
*
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS
+ */
#include <config.h>
#ifdef __GNUG__
-#pragma implementation
+#pragma implementation "frontends/font_metrics.h"
+#pragma implementation "frontends/xfont_metrics.h"
#endif
#include "support/lstrings.h"
#include "xfont_metrics.h"
-#include "FontLoader.h"
+#include "xfont_loader.h"
#include "lyxrc.h"
#include "encoding.h"
#include "language.h"
inline
XFontStruct * getXFontstruct(LyXFont const & f)
{
- return fontloader.load(f.family(), f.series(),
- f.realShape(), f.size());
+ return fontloader.load
+ (f.family(), f.series(),
+ f.realShape(), f.size());
}
} // namespace anon
-int font_metrics::maxAscent(LyXFont const & f)
+
+namespace font_metrics {
+
+int maxAscent(LyXFont const & f)
{
return getXFontstruct(f)->ascent;
}
-int font_metrics::maxDescent(LyXFont const & f)
+int maxDescent(LyXFont const & f)
{
return getXFontstruct(f)->descent;
}
-int font_metrics::ascent(char c, LyXFont const & f)
+int ascent(char c, LyXFont const & f)
{
XFontStruct * finfo = getXFontstruct(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+256*finfo->max_byte1)
+ && 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;
}
-int font_metrics::descent(char c, LyXFont const & f)
+int descent(char c, LyXFont const & f)
{
XFontStruct * finfo = getXFontstruct(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+256*finfo->max_byte1)
+ && 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;
}
-int font_metrics::lbearing(char c, LyXFont const & f)
+int lbearing(char c, LyXFont const & f)
{
XFontStruct * finfo = getXFontstruct(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+256*finfo->max_byte1)
+ && uc <= finfo->max_char_or_byte2+256*finfo->max_byte1)
return finfo->per_char[uc - finfo->min_char_or_byte2].lbearing;
else
return 0;
}
-int font_metrics::rbearing(char c, LyXFont const & f)
+int rbearing(char c, LyXFont const & f)
{
XFontStruct * finfo = getXFontstruct(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+256*finfo->max_byte1)
+ && 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 font_metrics::width(char c, LyXFont const & f)
-{
- return width(&c, 1, f);
-}
-
-
-int font_metrics::width(string const & s, LyXFont const & f)
-{
- if (s.empty()) return 0;
- return width(s.data(), s.length(), f);
-}
-
-
-int font_metrics::width(char const * s, size_t n, LyXFont const & f)
+int width(char const * s, size_t n, LyXFont const & f)
{
if (!lyxrc.use_gui)
return n;
Uchar c = encoding->ucs(s[i]);
xs[i].byte1 = c >> 8;
xs[i].byte2 = c & 0xff;
- }
- int result = width(xs.get(), n, font);
+ }
+ int result = xfont_metrics::width(xs.get(), n, font);
return result;
}
return ::XTextWidth(getXFontstruct(f), s, n);
} else {
// emulate smallcaps since X doesn't support this
- unsigned int result = 0;
+ int result = 0;
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
for (size_t i = 0; i < n; ++i) {
}
-int font_metrics::signedWidth(string const & s, LyXFont const & f)
+int signedWidth(string const & s, LyXFont const & f)
{
if (s.empty())
return 0;
}
-//int font_metrics::width(wstring const & s, int n, LyXFont const & f)
-int font_metrics::width(XChar2b const * s, int n, LyXFont const & f)
+void rectText(string const & str, LyXFont const & font,
+ int & width,
+ int & ascent,
+ int & descent)
+{
+ static int const d = 2;
+ width = font_metrics::width(str, font) + d * 2 + 2;
+ ascent = font_metrics::maxAscent(font) + d;
+ descent = font_metrics::maxDescent(font) + d;
+}
+
+
+
+void buttonText(string const & str, LyXFont const & font,
+ int & width,
+ int & ascent,
+ int & descent)
+{
+ static int const d = 3;
+
+ width = font_metrics::width(str, font) + d * 2 + 2;
+ ascent = font_metrics::maxAscent(font) + d;
+ descent = font_metrics::maxDescent(font) + d;
+}
+
+} // namespace font_metrics
+
+namespace xfont_metrics {
+
+int 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;
+ int result = 0;
static XChar2b c;
LyXFont smallfont(f);
smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
return result;
}
}
+
-int font_metrics::XTextWidth(LyXFont const & f, char const * str, int count)
+int XTextWidth(LyXFont const & f, char const * str, int count)
{
return ::XTextWidth(getXFontstruct(f), str, count);
}
-int font_metrics::XTextWidth16(LyXFont const & f, XChar2b const * str, int count)
+int XTextWidth16(LyXFont const & f, XChar2b const * str, int count)
{
return ::XTextWidth16(getXFontstruct(f), str, count);
}
-void font_metrics::XSetFont(Display * display, GC gc, LyXFont const & f)
+/// hmm, not a metric !
+void XSetFont(Display * display, GC gc, LyXFont const & f)
{
::XSetFont(display, gc, getFontID(f));
}
-
-
-void font_metrics::rectText(string const & str, LyXFont const & font,
- int & width, int & ascent, int & descent)
-{
- static int const d = 2;
- width = font_metrics::width(str, font) + d * 2 + 2;
- ascent = font_metrics::maxAscent(font) + d;
- descent = font_metrics::maxDescent(font) + d;
-}
-
-
-
-void font_metrics::buttonText(string const & str, LyXFont const & font,
- int & width, int & ascent, int & descent)
-{
- static int const d = 3;
-
- width = font_metrics::width(str, font) + d * 2 + 2;
- ascent = font_metrics::maxAscent(font) + d;
- descent = font_metrics::maxDescent(font) + d;
-}
-
-
-//} // end of namespace font
-//} // end of namespace lyx
+
+} // namespace xfont_metrics
projects / lyx.git / blobdiff