]> git.lyx.org Git - lyx.git/blobdiff - src/FontInfo.cpp
Fix coverity issues about exceptions
[lyx.git] / src / FontInfo.cpp
index 27b6a51ba37a03c28c3fc375d22125a0fe06acdc..be792623071b74fb36f9f7bb9383b49bf65e6bd1 100644 (file)
 #include "ColorSet.h"
 #include "FontInfo.h"
 #include "Lexer.h"
+#include "LyXRC.h"
 
+#include "support/convert.h"
 #include "support/debug.h"
 #include "support/docstring.h"
 #include "support/lstrings.h"
+#include "support/RefChanger.h"
+
+#include <algorithm>
+#include <ostream>
+#include <sstream>
 
 using namespace std;
 using namespace lyx::support;
@@ -32,16 +39,16 @@ namespace lyx {
 //
 char const * LyXFamilyNames[NUM_FAMILIES + 2 /* default & error */] =
 { "roman", "sans", "typewriter", "symbol",
-  "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "wasy",
-  "esint", "default", "error" };
+  "cmr", "cmsy", "cmm", "cmex", "msa", "msb", "eufrak", "rsfs", "stmry",
+  "wasy", "esint", "default", "error" };
 
-char const * LyXSeriesNames[4] =
+char const * LyXSeriesNames[NUM_SERIES + 2 /* default & error */] =
 { "medium", "bold", "default", "error" };
 
-char const * LyXShapeNames[6] =
+char const * LyXShapeNames[NUM_SHAPE + 2 /* default & error */] =
 { "up", "italic", "slanted", "smallcaps", "default", "error" };
 
-char const * LyXSizeNames[14] =
+char const * LyXSizeNames[NUM_SIZE + 4 /* increase, decrease, default & error */] =
 { "tiny", "scriptsize", "footnotesize", "small", "normal", "large",
   "larger", "largest", "huge", "giant",
   "increase", "decrease", "default", "error" };
@@ -101,6 +108,7 @@ FontInfo::FontInfo()
        *this = sane_font;
 }
 
+
 /// Decreases font size_ by one
 FontInfo & FontInfo::decSize()
 {
@@ -163,6 +171,29 @@ FontInfo & FontInfo::incSize()
 }
 
 
+double FontInfo::realSize() const
+{
+       double d = convert<double>(lyxrc.font_sizes[size()]);
+       // The following is according to the average of the values in the
+       // definitions of \defaultscriptratio and \defaultscriptscriptratio in LaTeX
+       // font packages. No attempt is made to implement the actual values from
+       // \DefineMathSizes.
+       switch (style()) {
+       case LM_ST_DISPLAY:
+       case LM_ST_TEXT:
+               break;
+       case LM_ST_SCRIPT:
+               d *= .73;
+               break;
+       case LM_ST_SCRIPTSCRIPT:
+               d *= .55;
+               break;
+       }
+       // Never go below the smallest size
+       return max(d, convert<double>(lyxrc.font_sizes[FONT_SIZE_TINY]));
+}
+
+
 /// Reduce font to fall back to template where possible
 void FontInfo::reduce(FontInfo const & tmplt)
 {
@@ -241,6 +272,32 @@ FontInfo & FontInfo::realize(FontInfo const & tmplt)
 }
 
 
+Changer FontInfo::changeColor(ColorCode const color)
+{
+       return make_change(color_, color);
+}
+
+
+Changer FontInfo::changeShape(FontShape const shape)
+{
+       return make_change(shape_, shape);
+}
+
+
+Changer FontInfo::changeStyle(MathStyle const new_style)
+{
+       return make_change(style_, new_style);
+}
+
+
+Changer FontInfo::change(FontInfo font, bool realiz)
+{
+       if (realiz)
+               font.realize(*this);
+       return make_change(*this, font);
+}
+
+
 /// Updates a misc setting according to request
 static FontState setMisc(FontState newfont,
        FontState org)
@@ -346,115 +403,117 @@ Color FontInfo::realColor() const
 
 namespace {
 
-       void appendSep(string & s1, string const & s2) {
-               if (s2.empty()) 
-                       return;
-               s1 += s1.empty() ? "" : "\n";
-               s1 += s2;
-       }
+void appendSep(string & s1, string const & s2)
+{
+       if (s2.empty())
+               return;
+       s1 += s1.empty() ? "" : "\n";
+       s1 += s2;
+}
 
 
-       string makeCSSTag(string const & key, string const & val)
-       {
-               return key + ": " + val + ";";
-       }
+string makeCSSTag(string const & key, string const & val)
+{
+       return key + ": " + val + ";";
+}
 
 
-       string getFamilyCSS(FontFamily const & f)
-       {
-               switch (f) {
-               case ROMAN_FAMILY: 
-                       return "serif";
-               case SANS_FAMILY: 
-                       return "sans-serif";
-               case TYPEWRITER_FAMILY: 
-                       return "monospace";
-               case SYMBOL_FAMILY:
-               case CMR_FAMILY:
-               case CMSY_FAMILY:
-               case CMM_FAMILY:
-               case CMEX_FAMILY:
-               case MSA_FAMILY:
-               case MSB_FAMILY:
-               case EUFRAK_FAMILY:
-               case RSFS_FAMILY:
-               case WASY_FAMILY:
-               case ESINT_FAMILY:
-               case INHERIT_FAMILY:
-               case IGNORE_FAMILY:
-                       break;
-               }
-               return "";
+string getFamilyCSS(FontFamily const & f)
+{
+       switch (f) {
+       case ROMAN_FAMILY:
+               return "serif";
+       case SANS_FAMILY:
+               return "sans-serif";
+       case TYPEWRITER_FAMILY:
+               return "monospace";
+       case SYMBOL_FAMILY:
+       case CMR_FAMILY:
+       case CMSY_FAMILY:
+       case CMM_FAMILY:
+       case CMEX_FAMILY:
+       case MSA_FAMILY:
+       case MSB_FAMILY:
+       case EUFRAK_FAMILY:
+       case RSFS_FAMILY:
+       case STMARY_FAMILY:
+       case WASY_FAMILY:
+       case ESINT_FAMILY:
+       case INHERIT_FAMILY:
+       case IGNORE_FAMILY:
+               break;
        }
+       return "";
+}
 
 
-       string getSeriesCSS(FontSeries const & s)
-       {
-               switch (s) {
-               case MEDIUM_SERIES: 
-                       return "normal";
-               case BOLD_SERIES: 
-                       return "bold";
-               case INHERIT_SERIES:
-               case IGNORE_SERIES:
-                 break;
-               }
-               return "";
+string getSeriesCSS(FontSeries const & s)
+{
+       switch (s) {
+       case MEDIUM_SERIES:
+               return "normal";
+       case BOLD_SERIES:
+               return "bold";
+       case INHERIT_SERIES:
+       case IGNORE_SERIES:
+               break;
        }
+       return "";
+}
 
 
-       string getShapeCSS(FontShape const & s)
-       {
-               string fs = "normal";
-               string fv = "normal";
-               switch (s) {
-               case UP_SHAPE: break;
-               case ITALIC_SHAPE: fs = "italic"; break;
-               case SLANTED_SHAPE: fs = "oblique"; break;
-               case SMALLCAPS_SHAPE: fv = "small-caps"; break;
-               case IGNORE_SHAPE: 
-               case INHERIT_SHAPE:
-                       fs = ""; fv = ""; break;
-               }
-               string retval;
-               if (!fs.empty())
-                       appendSep(retval, makeCSSTag("font-style", fs));
-               if (!fv.empty())
-                       appendSep(retval, makeCSSTag("font-variant", fv));
-               return retval;
+string getShapeCSS(FontShape const & s)
+{
+       string fs = "normal";
+       string fv = "normal";
+       switch (s) {
+       case UP_SHAPE: break;
+       case ITALIC_SHAPE: fs = "italic"; break;
+       case SLANTED_SHAPE: fs = "oblique"; break;
+       case SMALLCAPS_SHAPE: fv = "small-caps"; break;
+       case IGNORE_SHAPE:
+       case INHERIT_SHAPE:
+               fs = ""; fv = ""; break;
        }
+       string retval;
+       if (!fs.empty())
+               appendSep(retval, makeCSSTag("font-style", fs));
+       if (!fv.empty())
+               appendSep(retval, makeCSSTag("font-variant", fv));
+       return retval;
+}
 
 
-       string getSizeCSS(FontSize const & s)
-       {
-               switch (s) {
-               case FONT_SIZE_TINY: 
-                       return "xx-small";
-               case FONT_SIZE_SCRIPT: 
-                       return "x-small";
-               case FONT_SIZE_FOOTNOTE: 
-               case FONT_SIZE_SMALL: 
-                       return "small";
-               case FONT_SIZE_NORMAL: 
-                       return "medium";
-               case FONT_SIZE_LARGE: 
-                       return "large";
-               case FONT_SIZE_LARGER: 
-               case FONT_SIZE_LARGEST: 
-                       return "x-large";
-               case FONT_SIZE_HUGE: 
-               case FONT_SIZE_HUGER: 
-                       return "xx-large";
-               case FONT_SIZE_INCREASE: 
-                       return "larger";
-               case FONT_SIZE_DECREASE: 
-                       return "smaller";
-               case FONT_SIZE_IGNORE: 
-               case FONT_SIZE_INHERIT: 
-                               break;
-               }       
-               return "";
+string getSizeCSS(FontSize const & s)
+{
+       switch (s) {
+       case FONT_SIZE_TINY:
+               return "xx-small";
+       case FONT_SIZE_SCRIPT:
+               return "x-small";
+       case FONT_SIZE_FOOTNOTE:
+       case FONT_SIZE_SMALL:
+               return "small";
+       case FONT_SIZE_NORMAL:
+               return "medium";
+       case FONT_SIZE_LARGE:
+               return "large";
+       case FONT_SIZE_LARGER:
+       case FONT_SIZE_LARGEST:
+               return "x-large";
+       case FONT_SIZE_HUGE:
+       case FONT_SIZE_HUGER:
+               return "xx-large";
+       case FONT_SIZE_INCREASE:
+               return "larger";
+       case FONT_SIZE_DECREASE:
+               return "smaller";
+       case FONT_SIZE_IGNORE:
+       case FONT_SIZE_INHERIT:
+               break;
        }
+       return "";
+}
        
 } // namespace anonymous
 
@@ -633,4 +692,57 @@ FontInfo lyxRead(Lexer & lex, FontInfo const & fi)
 }
 
 
+void lyxWrite(ostream & os, FontInfo const & f, string const & start, int level)
+{
+       string indent;
+       for (int i = 0; i < level; ++i)
+               indent += '\t';
+       ostringstream oss;
+       if (f.family() != INHERIT_FAMILY)
+               oss << indent << "\tFamily " << LyXFamilyNames[f.family()]
+                   << '\n';
+       if (f.series() != INHERIT_SERIES)
+               oss << indent << "\tSeries " << LyXSeriesNames[f.series()]
+                   << '\n';
+       if (f.shape() != INHERIT_SHAPE)
+               oss << indent << "\tShape " << LyXShapeNames[f.shape()]
+                   << '\n';
+       if (f.size() != FONT_SIZE_INHERIT)
+               oss << indent << "\tSize " << LyXSizeNames[f.size()]
+                   << '\n';
+       if (f.underbar() == FONT_ON)
+               oss << indent << "\tMisc Underbar\n";
+       else if (f.underbar() == FONT_OFF)
+               oss << indent << "\tMisc No_Bar\n";
+       if (f.strikeout() == FONT_ON)
+               oss << indent << "\tMisc Strikeout\n";
+       else if (f.strikeout() == FONT_OFF)
+               oss << indent << "\tMisc No_Strikeout\n";
+       if (f.uuline() == FONT_ON)
+               oss << indent << "\tMisc Uuline\n";
+       else if (f.uuline() == FONT_OFF)
+               oss << indent << "\tMisc No_Uuline\n";
+       if (f.uwave() == FONT_ON)
+               oss << indent << "\tMisc Uwave\n";
+       else if (f.uwave() == FONT_OFF)
+               oss << indent << "\tMisc No_Uwave\n";
+       if (f.emph() == FONT_ON)
+               oss << indent << "\tMisc Emph\n";
+       else if (f.emph() == FONT_OFF)
+               oss << indent << "\tMisc No_Emph\n";
+       if (f.noun() == FONT_ON)
+               oss << indent << "\tMisc Noun\n";
+       else if (f.noun() == FONT_OFF)
+               oss << indent << "\tMisc No_Noun\n";
+       if (f.color() != Color_inherit && f.color() != Color_none)
+               oss << indent << "\tColor " << lcolor.getLyXName(f.color())
+                   << '\n';
+       if (!oss.str().empty()) {
+               os << indent << start << '\n'
+                  << oss.str()
+                  << indent << "EndFont\n";
+       }
+}
+
+
 } // namespace lyx