]> git.lyx.org Git - lyx.git/blobdiff - src/font.C
fix typo that put too many include paths for most people
[lyx.git] / src / font.C
index 0ae9286b2bde5001029ae940b1ebb1bdc6cfa03d..f9bcb0ec805d438820f6b013f51266ac3675dbea 100644 (file)
@@ -1,10 +1,10 @@
 /* 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 {
 
-// namespace {
-static inline
+inline
 XFontStruct * getXFontstruct(LyXFont const & f)
 {
        return fontloader.load(f.family(), f.series(),
@@ -30,12 +34,13 @@ XFontStruct * getXFontstruct(LyXFont const & f)
 }
 
 
-static inline
+inline
 XID getFontID(LyXFont const & f)
 {
        return getXFontstruct(f)->fid;
 }
-// } // end of anon namespace
+
+} // namespace anon
 
 int lyxfont::maxAscent(LyXFont const & f)
 {
@@ -55,7 +60,7 @@ int lyxfont::ascent(char c, 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;
@@ -68,7 +73,7 @@ int lyxfont::descent(char c, 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].descent;
        else
                return finfo->descent;
@@ -81,7 +86,7 @@ int lyxfont::lbearing(char c, 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].lbearing;
        else
                return 0;
@@ -94,7 +99,7 @@ int lyxfont::rbearing(char c, 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].rbearing;
        else
                return width(c, f);
@@ -107,16 +112,13 @@ int lyxfont::width(char const * s, size_t n, LyXFont const & f)
                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;
                LyXFont font(f);
-               if (f.family() == LyXFont::SYMBOL_FAMILY) {
+               if (f.isSymbolFont()) {
 #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();
                }
@@ -124,9 +126,8 @@ int lyxfont::width(char const * s, size_t n, LyXFont const & f)
                        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;
        }
 
@@ -135,14 +136,11 @@ int lyxfont::width(char const * s, size_t n, LyXFont const & f)
        } 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 (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))) {
-                               c = toupper(c);
+                       char const c = uppercase(s[i]);
+                       if (c != s[i]) {
                                result += ::XTextWidth(getXFontstruct(smallfont), &c, 1);
                        } else {
                                result += ::XTextWidth(getXFontstruct(f), &c, 1);
@@ -155,7 +153,8 @@ int lyxfont::width(char const * s, size_t n, LyXFont const & f)
 
 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
@@ -168,22 +167,27 @@ 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};
+               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;
        }
@@ -201,10 +205,33 @@ int lyxfont::XTextWidth16(LyXFont const & f, XChar2b const * str, int count)
 }
 
 
-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