Merged in nimetu/ryzomcore (pull request #126)

add bold, italic, underline, strikethrough font styles

--HG--
branch : develop

code/nel/include/nel/3d/font_generator.h

@@ -54,11 +54,13 @@ public:
 	/** generate and return a bitmap
 	 * \param c the unicode char
 	 * \param size size of the generated font in ??? format
+	 * \param embolden set embolden style (bold)
+	 * \param oblique set oblique style (slanted, italic)
 	 * \param width width of the generated bitmap, this value is set by this function
 	 * \param height height of the generated bitmap, this value is set by this function
 	 * \param pitch pitch of the generated bitmap (+ or - the number of bytes per row), this value is set by this function
 	 */
-	uint8	*getBitmap (ucchar c, uint32 size, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex);
+	uint8	*getBitmap (ucchar c, uint32 size, bool embolden, bool oblique, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex);
 
 	/** returns the width and height of a character using a specific size and
 	 *

code/nel/include/nel/3d/font_manager.h

@@ -102,6 +102,8 @@ public:
 	 * \param fontGen font generator
 	 * \param color primitive blocks color
 	 * \param fontSize font size
+	 * \param embolden font style bold
+	 * \param oblique font style slanted (italic)
 	 * \param desc display descriptor (screen size, font ratio)
 	 * \param output computed string
 	 * \param keep800x600Ratio true if you want that CFontManager look at Driver window size, and resize fontSize so it keeps same size...
@@ -110,6 +112,8 @@ public:
 						CFontGenerator *fontGen,
 						const NLMISC::CRGBA &color,
 						uint32 fontSize,
+						bool embolden,
+						bool oblique,
 					    IDriver *driver,
 						CComputedString& output,
 						bool	keep800x600Ratio= true);
@@ -121,6 +125,8 @@ public:
 						CFontGenerator *fontGen,
 						const NLMISC::CRGBA &color,
 						uint32 fontSize,
+						bool embolden,
+						bool oblique,
 					    IDriver *driver,
 						CComputedString &output,
 						bool	keep800x600Ratio= true);
@@ -132,6 +138,8 @@ public:
 							CFontGenerator *fontGen,
 							const NLMISC::CRGBA &color,
 							uint32 fontSize,
+							bool embolden,
+							bool oblique,
 							IDriver *driver,
 							CComputedString &output,
 							bool keep800x600Ratio= true);

code/nel/include/nel/3d/text_context.h

@@ -74,6 +74,10 @@ public:
 
 	void setFontSize (uint32 fontSize)	{ _FontSize = fontSize; }
 
+	void setEmbolden (bool b) { _Embolden = b; }
+
+	void setOblique (bool b) { _Oblique = b; }
+
 	void setHotSpot (CComputedString::THotSpot hotSpot)	{ _HotSpot = hotSpot; }
 
 	void setScaleX (float scaleX) { _ScaleX = scaleX; }
@@ -101,6 +105,10 @@ public:
 
 	uint32						getFontSize () const { return _FontSize; }
 
+	bool						getEmbolden () const { return _Embolden; }
+
+	bool						getOblique () const { return _Oblique; }
+
 	CComputedString::THotSpot	getHotSpot() const { return _HotSpot; }
 
 	float						getScaleX() const { return _ScaleX; }
@@ -240,7 +248,7 @@ public:
 		nlassert(_FontGen);
 
 		// compute the string just one time
-		_FontManager->computeString (ucstr, _FontGen, _Color, _FontSize, _Driver, _TempString, _Keep800x600Ratio);
+		_FontManager->computeString (ucstr, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, _TempString, _Keep800x600Ratio);
 
 		// draw shaded
 		if (_Shaded)
@@ -279,7 +287,7 @@ public:
 		// compute the string just one time
 		char *str;
 		NLMISC_CONVERT_VARGS (str, format, NLMISC::MaxCStringSize);
-		_FontManager->computeString (str, _FontGen, _Color, _FontSize, _Driver, _TempString, _Keep800x600Ratio);
+		_FontManager->computeString (str, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, _TempString, _Keep800x600Ratio);
 
 		// draw shaded
 		if (_Shaded)
@@ -334,7 +342,7 @@ public:
 	 */
 	void computeString (const std::string& s, CComputedString& output)
 	{
-		_FontManager->computeString (s, _FontGen, _Color, _FontSize, _Driver, output, _Keep800x600Ratio);
+		_FontManager->computeString (s, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, output, _Keep800x600Ratio);
 	}
 
 	/**
@@ -345,12 +353,12 @@ public:
 	 */
 	void computeString (const ucstring& s, CComputedString& output)
 	{
-		_FontManager->computeString (s, _FontGen, _Color, _FontSize, _Driver, output, _Keep800x600Ratio);
+		_FontManager->computeString (s, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, output, _Keep800x600Ratio);
 	}
 
 	void computeStringInfo (const ucstring& s, CComputedString& output)
 	{
-		_FontManager->computeStringInfo (s, _FontGen, _Color, _FontSize, _Driver, output, _Keep800x600Ratio);
+		_FontManager->computeStringInfo (s, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, output, _Keep800x600Ratio);
 	}
 
 	/// Debug : write to the disk the texture cache
@@ -381,6 +389,10 @@ private:
 	/// Font size;
 	uint32						_FontSize;
 
+	bool						_Embolden;
+
+	bool						_Oblique;
+
 	/// Current text color
 	NLMISC::CRGBA				_Color;
 

code/nel/include/nel/3d/text_context_user.h

@@ -66,6 +66,10 @@ public:
 	void setColor(NLMISC::CRGBA color);
 	void setFontSize(uint32 fontSize);
 	uint32 getFontSize() const;
+	void setEmbolden(bool b);
+	bool getEmbolden() const;
+	void setOblique(bool b);
+	bool getOblique() const;
 	void setHotSpot(THotSpot hotSpot);
 	THotSpot getHotSpot() const;
 	void setScaleX(float scaleX);

code/nel/include/nel/3d/texture_font.h

@@ -43,6 +43,8 @@ public:
 		ucchar Char;
 		CFontGenerator *FontGenerator;
 		sint Size;
+		bool Embolden;
+		bool Oblique;
 
 
 		// The less recently used infos
@@ -66,6 +68,8 @@ public:
 		ucchar Char;
 		CFontGenerator *FontGenerator;
 		sint Size;
+		bool Embolden;
+		bool Oblique;
 
 		uint32 getVal();
 		//bool operator < (const SLetterKey&k) const;

code/nel/include/nel/3d/u_text_context.h

@@ -137,6 +137,24 @@ public:
 	 * \return the font size
 	 */
 	virtual	uint32			getFontSize () const = 0;
+	/**
+	 * set embolden (bold) state
+	 * \param embolden the embbolden state
+	 */
+	virtual void			setEmbolden (bool b) = 0;
+	/**
+	 * \return the embolden state
+	 */
+	virtual bool			getEmbolden () const = 0;
+	/**
+	 * set oblique (italic) state
+	 * \param oblique the oblique state
+	 */
+	virtual void			setOblique (bool b) = 0;
+	/**
+	 * \return the oblique state
+	 */
+	virtual bool			getOblique () const = 0;
 	/**
 	 * set the hot spot
 	 * \param fonSize the font size

code/nel/include/nel/gui/group_html.h

@@ -425,6 +425,38 @@ namespace NLGUI
 			return _FontSize.back();
 		}
 
+		std::vector<uint>			_FontWeight;
+		inline uint getFontWeight() const
+		{
+			if (_FontWeight.empty())
+				return 400;
+			return _FontWeight.back();
+		}
+
+		std::vector<bool>			_FontOblique;
+		inline uint getFontOblique() const
+		{
+			if (_FontOblique.empty())
+				return false;
+			return _FontOblique.back();
+		}
+
+		std::vector<bool>			_FontUnderlined;
+		inline uint getFontUnderlined() const
+		{
+			if (_FontUnderlined.empty())
+				return false;
+			return _FontUnderlined.back();
+		}
+
+		std::vector<bool>			_FontStrikeThrough;
+		inline uint getFontStrikeThrough() const
+		{
+			if (_FontStrikeThrough.empty())
+				return false;
+			return _FontStrikeThrough.back();
+		}
+
 		// Current link
 		std::vector<std::string>	_Link;
 		inline const char *getLink() const
@@ -544,6 +576,26 @@ namespace NLGUI
 		};
 		std::vector<CCellParams>	_CellParams;
 
+		class CStyleParams
+		{
+		public:
+			CStyleParams () : TextColor(255,255,255,255)
+			{
+				FontSize=10;
+				FontWeight=400;
+				FontOblique=false;
+				Underlined=false;
+				StrikeThrough=false;
+			}
+			uint FontSize;
+			uint FontWeight;
+			bool FontOblique;
+			NLMISC::CRGBA TextColor;
+			bool Underlined;
+			bool StrikeThrough;
+
+		};
+
 		// Indentation
 		uint	_Indent;
 
@@ -613,8 +665,10 @@ namespace NLGUI
 		typedef std::map<uint32, NLMISC::CRefPtr<CGroupHTML> >	TGroupHtmlByUIDMap;
 		static TGroupHtmlByUIDMap _GroupHtmlByUID;
 
-	private:
+		// read style attribute
+		void getStyleParams(const std::string &styleString, CStyleParams &style, bool inherit = true);
 
+	private:
 		// decode all HTML entities
 		static ucstring decodeHTMLEntities(const ucstring &str);
 

code/nel/include/nel/gui/libwww.h

@@ -218,6 +218,13 @@ namespace NLGUI
 		HTML_ATTR(DIV,STYLE),
 	};
 
+	enum
+	{
+		HTML_ATTR(SPAN,CLASS) = 0,
+		HTML_ATTR(SPAN,ID),
+		HTML_ATTR(SPAN,STYLE),
+	};
+
 
 	#undef HTML_ATTR
 

code/nel/include/nel/gui/view_text.h

@@ -81,6 +81,8 @@ namespace NLGUI
 
 		void setText (const ucstring &text);
 		void setFontSize (sint nFontSize);
+		void setEmbolden (bool nEmbolden);
+		void setOblique (bool nOblique);
 		void setColor (const NLMISC::CRGBA &color);
 		void setShadow (bool bShadow);
 		void setShadowOutline (bool bShadowOutline);
@@ -101,6 +103,8 @@ namespace NLGUI
 
 		ucstring		getText() const		{ return _Text; }
 		sint			getFontSize() const;
+		bool			getEmbolden() 		{ return _Embolden; }
+		bool			getOblique() 		{ return _Oblique; }
 		NLMISC::CRGBA	getColor()			{ return _Color; }
 		bool			getShadow()			{ return _Shadow; }
 		bool			getShadowOutline()	{ return _ShadowOutline; }
@@ -125,6 +129,8 @@ namespace NLGUI
 		uint			getLastLineW () const;
 		void			setUnderlined (bool underlined) { _Underlined = underlined; }
 		bool			getUnderlined () const { return _Underlined; }
+		void			setStrikeThrough (bool linethrough) { _StrikeThrough = linethrough; }
+		bool			getStrikeThrough () const { return _StrikeThrough; }
 		// true if the viewText is a single line clamped.
 		bool			isSingleLineTextClamped() const {return _SingleLineTextClamped;}
 
@@ -220,6 +226,8 @@ namespace NLGUI
 		NL3D::UTextContext::CStringInfo _Info;
 		/// the font size
 		sint	_FontSize;
+		bool	_Embolden;
+		bool	_Oblique;
 		// width of the font in pixel. Just a Hint for tabing format (computed with '_')
 		uint	_FontWidth;
 		// height of the font in pixel.
@@ -374,6 +382,7 @@ namespace NLGUI
 		bool	_TextSelection : 1;
 		bool	_InvalidTextContext : 1;
 		bool	_Underlined : 1;
+		bool	_StrikeThrough : 1;
 		bool    _ContinuousUpdate : 1;
 		bool	_Setuped : 1;
 

code/nel/src/3d/font_generator.cpp

@@ -31,6 +31,7 @@ using namespace std;
 
 #include <ft2build.h>
 #include FT_FREETYPE_H
+#include FT_SYNTHESIS_H
 
 // for freetype 2.0
 #ifdef FTERRORS_H
@@ -171,7 +172,7 @@ void CFontGenerator::getSizes (ucchar c, uint32 size, uint32 &width, uint32 &hei
 	height = _Face->glyph->metrics.height >> 6;
 }
 
-uint8 *CFontGenerator::getBitmap (ucchar c, uint32 size, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex)
+uint8 *CFontGenerator::getBitmap (ucchar c, uint32 size, bool embolden, bool oblique, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex)
 {
 	FT_Error error;
 
@@ -209,6 +210,16 @@ uint8 *CFontGenerator::getBitmap (ucchar c, uint32 size, uint32 &width, uint32 &
 		return NULL;
 	}
 
+	if (embolden)
+	{
+		FT_GlyphSlot_Embolden(_Face->glyph);
+	}
+
+	if (oblique)
+	{
+		FT_GlyphSlot_Oblique(_Face->glyph);
+	}
+
 	// convert to an anti-aliased bitmap
 	error = FT_Render_Glyph (_Face->glyph, ft_render_mode_normal);
 	if (error)
@@ -389,7 +400,7 @@ void CFontGenerator::getSizes (ucchar c, uint32 size, uint32 &width, uint32 &hei
 HFONT hFont = NULL;
 uint32 CurrentFontSize = 0;
 
-uint8 *CFontGenerator::getBitmap (ucchar c, uint32 size, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex)
+uint8 *CFontGenerator::getBitmap (ucchar c, uint32 size, bool embolden, bool oblique, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex)
 {
 /*	FT_Error error;
 

code/nel/src/3d/font_manager.cpp

@@ -64,6 +64,8 @@ void CFontManager::computeString (const std::string &s,
 								  CFontGenerator *fontGen,
 								  const NLMISC::CRGBA &color,
 								  uint32 fontSize,
+								  bool embolden,
+								  bool oblique,
 								  IDriver *driver,
 								  CComputedString &output,
 								  bool	keep800x600Ratio)
@@ -71,7 +73,7 @@ void CFontManager::computeString (const std::string &s,
 	// static to avoid reallocation
 	static ucstring	ucs;
 	ucs= s;
-	computeString(ucs, fontGen, color, fontSize, driver, output, keep800x600Ratio);
+	computeString(ucs, fontGen, color, fontSize, embolden, oblique, driver, output, keep800x600Ratio);
 }
 
 
@@ -80,6 +82,8 @@ void CFontManager::computeString (const ucstring &s,
 								  CFontGenerator *fontGen,
 								  const NLMISC::CRGBA &color,
 								  uint32 fontSize,
+								  bool embolden,
+								  bool oblique,
 								  IDriver *driver,
 								  CComputedString &output,
 								  bool	keep800x600Ratio)
@@ -147,6 +151,8 @@ void CFontManager::computeString (const ucstring &s,
 			k.Char = s[i];
 			k.FontGenerator = fontGen;
 			k.Size = fontSize;
+			k.Embolden = embolden;
+			k.Oblique = oblique;
 			CTextureFont::SLetterInfo *pLI = pTexFont->getLetterInfo (k);
 			if(pLI != NULL)
 			{
@@ -227,6 +233,8 @@ void CFontManager::computeStringInfo (	const ucstring &s,
 										CFontGenerator *fontGen,
 										const NLMISC::CRGBA &color,
 										uint32 fontSize,
+										bool embolden,
+										bool oblique,
 										IDriver *driver,
 										CComputedString &output,
 										bool keep800x600Ratio	)
@@ -259,6 +267,8 @@ void CFontManager::computeStringInfo (	const ucstring &s,
 		k.Char = s[i];
 		k.FontGenerator = fontGen;
 		k.Size = fontSize;
+		k.Embolden = embolden;
+		k.Oblique = oblique;
 		pLI = pTexFont->getLetterInfo (k);
 		if(pLI != NULL)
 		{

code/nel/src/3d/ps_util.cpp

@@ -277,6 +277,8 @@ void CPSUtil::print(IDriver *driver, const std::string &text, CFontGenerator &fg
 						&fg,
 						col,
 						16,
+						false,
+						false,
 						driver,
 						cptedString);
 

code/nel/src/3d/text_context.cpp

@@ -31,6 +31,8 @@ CTextContext::CTextContext()
 	_FontGen = NULL;
 
 	_FontSize = 12;
+	_Embolden = false;
+	_Oblique = false;
 
 	_Color = NLMISC::CRGBA(0,0,0);
 
@@ -81,7 +83,7 @@ uint32 CTextContext::textPush (const char *format, ...)
 	// compute the string.
 	uint32 index = _CacheFreePlaces[_CacheNbFreePlaces-1];
 	CComputedString &strToFill = _CacheStrings[index];
-	_FontManager->computeString (str, _FontGen, _Color, _FontSize, _Driver, strToFill, _Keep800x600Ratio);
+	_FontManager->computeString (str, _FontGen, _Color, _FontSize, _Embolden, _Oblique, _Driver, strToFill, _Keep800x600Ratio);
 
 	_CacheNbFreePlaces--;
 
@@ -109,7 +111,7 @@ uint32 CTextContext::textPush (const ucstring &str)
 	nlassert (index < _CacheStrings.size());
 	CComputedString &strToFill = _CacheStrings[index];
 	_FontManager->computeString (str, _FontGen, _Color
-		, _FontSize, _Driver, strToFill, _Keep800x600Ratio);
+		, _FontSize, _Embolden, _Oblique, _Driver, strToFill, _Keep800x600Ratio);
 
 	_CacheNbFreePlaces--;
 

code/nel/src/3d/text_context_user.cpp

@@ -100,6 +100,30 @@ uint32 CTextContextUser::getFontSize() const
 
 	return _TextContext.getFontSize();
 }
+void CTextContextUser::setEmbolden(bool b)
+{
+	H_AUTO2;
+
+	_TextContext.setEmbolden(b);
+}
+bool CTextContextUser::getEmbolden() const
+{
+	H_AUTO2;
+
+	return _TextContext.getEmbolden();
+}
+void CTextContextUser::setOblique(bool b)
+{
+	H_AUTO2;
+
+	_TextContext.setOblique(b);
+}
+bool CTextContextUser::getOblique() const
+{
+	H_AUTO2;
+
+	return _TextContext.getOblique();
+}
 void CTextContextUser::setHotSpot(THotSpot hotSpot)
 {
 	H_AUTO2;

code/nel/src/3d/texture_font.cpp

@@ -47,11 +47,14 @@ const int NbLine[TEXTUREFONT_NBCATEGORY] = { 4, 6, 4, 1 }; // Based on textsize
 // ---------------------------------------------------------------------------
 inline uint32 CTextureFont::SLetterKey::getVal()
 {
-
+	// this limits Size to 6bits
+	// Large sizes already render wrong when many
+	// different glyphs are used due to limited texture atlas
+	uint8 eb = ((uint)Embolden) + ((uint)Oblique << 1);
 	if (FontGenerator == NULL)
-		return Char + ((Size&255)<<16);
+		return Char + ((Size&255)<<16) + (eb << 22);
 	else
-		return Char + ((Size&255)<<16) + ((FontGenerator->getUID()&0xFF)<<24);
+		return Char + ((Size&255)<<16) + (eb << 22) + ((FontGenerator->getUID()&0xFF)<<24);
 }
 
 // ---------------------------------------------------------------------------
@@ -86,6 +89,8 @@ CTextureFont::CTextureFont()
 			rLetter.Char = 0xffff;
 			rLetter.FontGenerator = NULL;
 			rLetter.Size= 0;
+			rLetter.Embolden = false;
+			rLetter.Oblique = false;
 
 			// The less recently used infos
 			if (j < Letters[i].size()-1)
@@ -164,7 +169,7 @@ void CTextureFont::rebuildLetter (sint cat, sint x, sint y)
 	sint posy = catTopY + y * Categories[cat];
 
 	uint32 pitch = 0;
-	uint8 *bitmap = rLetter.FontGenerator->getBitmap (	rLetter.Char, rLetter.Size,
+	uint8 *bitmap = rLetter.FontGenerator->getBitmap (	rLetter.Char, rLetter.Size, rLetter.Embolden, rLetter.Oblique,
 														rLetter.CharWidth, rLetter.CharHeight,
 														pitch, rLetter.Left, rLetter.Top,
 														rLetter.AdvX, rLetter.GlyphIndex );
@@ -303,7 +308,7 @@ CTextureFont::SLetterInfo* CTextureFont::getLetterInfo (SLetterKey& k)
 	// \todo mat : Temp !!! Try to use freetype cache
 	uint32 nPitch, nGlyphIndex;
 	sint32 nLeft, nTop, nAdvX;
-	k.FontGenerator->getBitmap (k.Char, k.Size, width, height, nPitch, nLeft, nTop,
+	k.FontGenerator->getBitmap (k.Char, k.Size, k.Embolden, k.Oblique, width, height, nPitch, nLeft, nTop,
 														nAdvX, nGlyphIndex );
 
 	// Add 1 pixel space for black border to get correct category
@@ -323,6 +328,8 @@ CTextureFont::SLetterInfo* CTextureFont::getLetterInfo (SLetterKey& k)
 	k2.Char = Back[cat]->Char;
 	k2.FontGenerator = Back[cat]->FontGenerator;
 	k2.Size = Back[cat]->Size;
+	k2.Embolden = Back[cat]->Embolden;
+	k2.Oblique = Back[cat]->Oblique;
 
 	itAccel	= Accel.find (k2.getVal());
 	if (itAccel != Accel.end())
@@ -336,6 +343,8 @@ CTextureFont::SLetterInfo* CTextureFont::getLetterInfo (SLetterKey& k)
 	Back[cat]->Char = k.Char;
 	Back[cat]->FontGenerator = k.FontGenerator;
 	Back[cat]->Size = k.Size;
+	Back[cat]->Embolden = k.Embolden;
+	Back[cat]->Oblique = k.Oblique;
 	Back[cat]->CharWidth = width;
 	Back[cat]->CharHeight = height;
 	Back[cat]->Top = nTop;

code/nel/src/gui/group_html.cpp

@@ -485,7 +485,7 @@ namespace NLGUI
 				string fullstyle = style[1];
 				for (uint j=2; j < style.size(); j++)
 					fullstyle += ":"+style[j];
-				styles[trim(style[0])] = fullstyle;
+				styles[trim(style[0])] = trim(fullstyle);
 			}
 		}
 
@@ -894,7 +894,20 @@ namespace NLGUI
 			switch(element_number)
 			{
 			case HTML_A:
-				_TextColor.push_back(LinkColor);
+			{
+				CStyleParams style;
+				style.FontSize = getFontSize();
+				style.TextColor = LinkColor;
+				style.Underlined = true;
+				style.StrikeThrough = getFontStrikeThrough();
+
+				if (present[HTML_A_STYLE] && value[HTML_A_STYLE])
+					getStyleParams(value[HTML_A_STYLE], style);
+
+				_FontSize.push_back(style.FontSize);
+				_TextColor.push_back(style.TextColor);
+				_FontUnderlined.push_back(style.Underlined);
+				_FontStrikeThrough.push_back(style.StrikeThrough);
 				_GlobalColor.push_back(LinkColorGlobalColor);
 				_A.push_back(true);
 
@@ -903,6 +916,7 @@ namespace NLGUI
 				if (present[MY_HTML_A_CLASS] && value[MY_HTML_A_CLASS])
 					_LinkClass.push_back(value[MY_HTML_A_CLASS]);
 
+			}
 				break;
 
 			case HTML_DIV:
@@ -1634,6 +1648,28 @@ namespace NLGUI
 				_Object = true;
 
 				break;
+			case HTML_SPAN:
+				{
+					CStyleParams style;
+					style.TextColor = getTextColor();
+					style.FontSize = getFontSize();
+					style.FontWeight = getFontWeight();
+					style.FontOblique = getFontOblique();
+					style.Underlined = getFontUnderlined();
+					style.StrikeThrough = getFontStrikeThrough();
+
+					if (present[MY_HTML_SPAN_STYLE] && value[MY_HTML_SPAN_STYLE])
+						getStyleParams(value[MY_HTML_SPAN_STYLE], style);
+
+					_TextColor.push_back(style.TextColor);
+					_FontSize.push_back(style.FontSize);
+					_FontWeight.push_back(style.FontWeight);
+					_FontOblique.push_back(style.FontOblique);
+					_FontUnderlined.push_back(style.Underlined);
+					_FontStrikeThrough.push_back(style.StrikeThrough);
+				}
+				break;
+
 			case HTML_STYLE:
 				_IgnoreText = true;
 				break;
@@ -1655,7 +1691,10 @@ namespace NLGUI
 				popIfNotEmpty (_FontSize);
 			break;
 			case HTML_A:
+				popIfNotEmpty (_FontSize);
 				popIfNotEmpty (_TextColor);
+				popIfNotEmpty (_FontUnderlined);
+				popIfNotEmpty (_FontStrikeThrough);
 				popIfNotEmpty (_GlobalColor);
 				popIfNotEmpty (_A);
 				popIfNotEmpty (_Link);
@@ -1763,6 +1802,14 @@ namespace NLGUI
 					popIfNotEmpty (_UL);
 				}
 				break;
+			case HTML_SPAN:
+				popIfNotEmpty (_FontSize);
+				popIfNotEmpty (_FontWeight);
+				popIfNotEmpty (_FontOblique);
+				popIfNotEmpty (_TextColor);
+				popIfNotEmpty (_FontUnderlined);
+				popIfNotEmpty (_FontStrikeThrough);
+				break;
 			case HTML_STYLE:
 				_IgnoreText = false;
 				break;
@@ -3077,6 +3124,7 @@ namespace NLGUI
 
 			// Text added ?
 			bool added = false;
+			bool embolden = getFontWeight() >= 700;
 
 			// Number of child in this paragraph
 			if (_CurrentViewLink)
@@ -3086,6 +3134,10 @@ namespace NLGUI
 				if (!skipLine &&
 					(getTextColor() == _CurrentViewLink->getColor()) &&
 					(getFontSize() == (uint)_CurrentViewLink->getFontSize()) &&
+					(getFontUnderlined() == _CurrentViewLink->getUnderlined()) &&
+					(getFontStrikeThrough() == _CurrentViewLink->getStrikeThrough()) &&
+					(embolden == _CurrentViewLink->getEmbolden()) &&
+					(getFontOblique() == _CurrentViewLink->getOblique()) &&
 					(getLink() == _CurrentViewLink->Link) &&
 					(getGlobalColor() == _CurrentViewLink->getModulateGlobalColor()))
 				{
@@ -3141,12 +3193,15 @@ namespace NLGUI
 						if (!newLink->Link.empty())
 						{
 							newLink->setHTMLView (this);
-							newLink->setUnderlined (true);
 						}
 					}
 					newLink->setText(tmpStr);
 					newLink->setColor(getTextColor());
 					newLink->setFontSize(getFontSize());
+					newLink->setEmbolden(embolden);
+					newLink->setOblique(getFontOblique());
+					newLink->setUnderlined(getFontUnderlined());
+					newLink->setStrikeThrough(getFontStrikeThrough());
 					newLink->setMultiLineSpace((uint)((float)getFontSize()*LineSpaceFontFactor));
 					newLink->setMultiLine(true);
 					newLink->setModulateGlobalColor(getGlobalColor());
@@ -3422,6 +3477,10 @@ namespace NLGUI
 		_TextColor.clear();
 		_GlobalColor.clear();
 		_FontSize.clear();
+		_FontWeight.clear();
+		_FontOblique.clear();
+		_FontUnderlined.clear();
+		_FontStrikeThrough.clear();
 		_Indent = 0;
 		_LI = false;
 		_UL.clear();
@@ -4590,5 +4649,84 @@ namespace NLGUI
 
 		return result;
 	}
+
+	// ***************************************************************************
+	// CGroupHTML::CStyleParams style;
+	// style.FontSize;    // font-size: 10px;
+	// style.TextColor;   // color: #ABCDEF;
+	// style.Underlined;  // text-decoration: underline;     text-decoration-line: underline;
+	// style.StrikeThrough; // text-decoration: line-through;  text-decoration-line: line-through;
+	void CGroupHTML::getStyleParams(const std::string &styleString, CStyleParams &style, bool inherit)
+	{
+		TStyle styles = parseStyle(styleString);
+		TStyle::iterator it;
+		for (it=styles.begin(); it != styles.end(); ++it)
+		{
+			if (it->first == "font-size")
+			{
+				float tmp;
+				sint size = 0;
+				getPercentage (size, tmp, it->second.c_str());
+				if (size > 0)
+					style.FontSize = size;
+			}
+			else
+			if (it->first == "font-style")
+			{
+				if (it->second == "italic" || it->second == "oblique")
+					style.FontOblique = true;
+			}
+			else
+			if (it->first == "font-weight")
+			{
+				// https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight
+				uint weight = 400;
+				if (it->second == "normal")
+					weight = 400;
+				else
+				if (it->second == "bold")
+					weight = 700;
+				else
+				if (it->second == "lighter")
+				{
+					const uint lighter[] = {100, 100, 100, 100, 100, 400, 400, 700, 700};
+					int index = getFontWeight() / 100 - 1;
+					clamp(index, 1, 9);
+					weight = lighter[index-1];
+				}
+				else
+				if (it->second == "bolder")
+				{
+					const uint bolder[] =  {400, 400, 400, 700, 700, 900, 900, 900, 900};
+					uint index = getFontWeight() / 100 + 1;
+					clamp(index, 1, 9);
+					weight = bolder[index-1];
+				}
+				else
+				if (fromString(it->second, weight))
+				{
+					weight = (weight / 100);
+					clamp(weight, 1, 9);
+					weight *= 100;
+				}
+				style.FontWeight = weight;
+			}
+			else
+			if (it->first == "color")
+				scanHTMLColor(it->second.c_str(), style.TextColor);
+			else
+			if (it->first == "text-decoration" || it->first == "text-decoration-line")
+			{
+				std::string prop(strlwr(it->second));
+				style.Underlined = (prop.find("underline") != std::string::npos);
+				style.StrikeThrough = (prop.find("line-through") != std::string::npos);
+			}
+		}
+		if (inherit)
+		{
+			style.Underlined = getFontUnderlined() || style.Underlined;
+			style.StrikeThrough = getFontStrikeThrough() || style.StrikeThrough;
+		}
+	}
 }
 

code/nel/src/gui/libwww.cpp

@@ -233,6 +233,14 @@ namespace NLGUI
 		{ 0 }
 	};
 
+	HTAttr span_attr[] =
+	{
+		HTML_ATTR(SPAN,CLASS),
+		HTML_ATTR(SPAN,ID),
+		HTML_ATTR(SPAN,STYLE),
+		{ 0 }
+	};
+
 	// ***************************************************************************
 
 	void _VerifyLibWWW(const char *function, bool ok, const char *file, int line)
@@ -699,6 +707,8 @@ namespace NLGUI
 			HTML_DTD->tags[HTML_I].number_of_attributes = 0;
 			HTML_DTD->tags[HTML_DIV].attributes = div_attr;
 			HTML_DTD->tags[HTML_DIV].number_of_attributes = sizeof(div_attr) / sizeof(HTAttr) - 1;
+			HTML_DTD->tags[HTML_SPAN].attributes = span_attr;
+			HTML_DTD->tags[HTML_SPAN].number_of_attributes = sizeof(span_attr) / sizeof(HTAttr) - 1;
 
 			// Set a request timeout
 			//		HTHost_setEventTimeout (30000);

code/nel/src/gui/view_text.cpp

@@ -44,6 +44,7 @@ namespace NLGUI
 	{
 		_CaseMode = CaseNormal;
 		_Underlined = false;
+		_StrikeThrough = false;
 		_ContinuousUpdate = false;
 		_Active = true;
 		_X = 0;
@@ -58,6 +59,8 @@ namespace NLGUI
 
 		_FontSize = 12 +
 			CWidgetManager::getInstance()->getSystemOption( CWidgetManager::OptionAddCoefFont ).getValSInt32();
+		_Embolden = false;
+		_Oblique = false;
 		_Color = CRGBA(255,255,255,255);
 		_Shadow = false;
 		_ShadowOutline = false;
@@ -157,6 +160,10 @@ namespace NLGUI
 		_PosRef = vt._PosRef;
 
 		_FontSize = vt._FontSize;
+		_Embolden = vt._Embolden;
+		_Oblique = vt._Oblique;
+		_Underlined = vt._Underlined;
+		_StrikeThrough = vt._StrikeThrough;
 		_Color = vt._Color;
 		_Shadow = vt._Shadow;
 		_ShadowOutline = vt._ShadowOutline;
@@ -221,6 +228,21 @@ namespace NLGUI
 				);
 		}
 		else
+		if( name == "fontweight" )
+		{
+			if (_Embolden)
+				return "bold";
+
+			return "normal";
+		}
+		if( name == "fontstyle" )
+		{
+			if (_Oblique)
+				return "oblique";
+
+			return "normal";
+		}
+		else
 		if( name == "shadow" )
 		{
 			return toString( _Shadow );
@@ -286,6 +308,11 @@ namespace NLGUI
 			return toString( _Underlined );
 		}
 		else
+		if( name == "strikthrough" )
+		{
+			return toString( _StrikeThrough );
+		}
+		else
 		if( name == "case_mode" )
 		{
 			return toString( uint32( _CaseMode ) );
@@ -358,6 +385,20 @@ namespace NLGUI
 			return true;
 		}
 		else
+		if( name == "fontweight" )
+		{
+			if (value == "bold")
+				_Embolden = true;
+
+			return true;
+		}
+		if( name == "fontstyle" )
+		{
+			if( value == "oblique" )
+				_Oblique = true;
+			return true;
+		}
+		else
 		if( name == "shadow" )
 		{
 			bool b;
@@ -444,6 +485,14 @@ namespace NLGUI
 			return true;
 		}
 		else
+		if( name == "strikethrough" )
+		{
+			bool b;
+			if( fromString( value, b ) )
+				_StrikeThrough = b;
+			return true;
+		}
+		else
 		if( name == "case_mode" )
 		{
 			uint32 i;
@@ -533,6 +582,16 @@ namespace NLGUI
 			_FontSize - CWidgetManager::getInstance()->getSystemOption( CWidgetManager::OptionAddCoefFont ).getValSInt32() 
 			).c_str() );
 
+		std::string fontweight("normal");
+		if (_Embolden)
+			fontweight = "bold";
+		xmlSetProp( node, BAD_CAST "fontweight", BAD_CAST fontweight.c_str() );
+
+		std::string fontstyle("normal");
+		if (_Oblique)
+			fontstyle = "oblique";
+		xmlSetProp( node, BAD_CAST "fontstyle", BAD_CAST fontstyle.c_str() );
+
 		xmlSetProp( node, BAD_CAST "shadow", BAD_CAST toString( _Shadow ).c_str() );
 		xmlSetProp( node, BAD_CAST "shadow_outline", BAD_CAST toString( _ShadowOutline ).c_str() );
 		xmlSetProp( node, BAD_CAST "shadow_color", BAD_CAST toString( _ShadowColor ).c_str() );
@@ -561,6 +620,7 @@ namespace NLGUI
 		xmlSetProp( node, BAD_CAST "multi_line_maxw_only", BAD_CAST toString( _MultiLineMaxWOnly ).c_str() );
 		xmlSetProp( node, BAD_CAST "multi_max_line", BAD_CAST toString( _MultiMaxLine ).c_str() );
 		xmlSetProp( node, BAD_CAST "underlined", BAD_CAST toString( _Underlined ).c_str() );
+		xmlSetProp( node, BAD_CAST "strikethrough", BAD_CAST toString( _StrikeThrough ).c_str() );
 		xmlSetProp( node, BAD_CAST "case_mode", BAD_CAST toString( uint32( _CaseMode ) ).c_str() );
 		xmlSetProp( node, BAD_CAST "over_extend_view_text", BAD_CAST toString( _OverExtendViewText ).c_str() );
 		xmlSetProp( node, BAD_CAST "over_extend_parent_rect",
@@ -614,6 +674,22 @@ namespace NLGUI
 			_FontSize += CWidgetManager::getInstance()->getSystemOption( CWidgetManager::OptionAddCoefFont).getValSInt32();
 		}
 
+		prop = (char*) xmlGetProp( cur, (xmlChar*)"fontweight" );
+		_Embolden = false;
+		if (prop)
+		{
+			if (nlstricmp("bold", (const char*)prop) == 0) _Embolden = true;
+			else nlwarning("<CViewText::parse> bad fontweight '%s'", (const char *)prop);
+		}
+
+		prop = (char*) xmlGetProp( cur, (xmlChar*)"fontstyle" );
+		_Oblique = false;
+		if (prop)
+		{
+			if (nlstricmp("oblique", (const char *) prop) == 0) _Oblique = true;
+			else nlwarning("<CViewText::parse> bad fontstyle '%s'", (const char *)prop);
+		}
+
 		prop = (char*) xmlGetProp( cur, (xmlChar*)"shadow" );
 		_Shadow = false;
 		if (prop)
@@ -668,6 +744,11 @@ namespace NLGUI
 		if (prop)
 			_Underlined = convertBool(prop);
 
+		prop = (char*) xmlGetProp( cur, (xmlChar*)"strikethrough" );
+		_StrikeThrough = false;
+		if (prop)
+			_StrikeThrough = convertBool(prop);
+
 		prop = (char*) xmlGetProp( cur, (xmlChar*)"case_mode" );
 		_CaseMode = CaseNormal;
 		if (prop)
@@ -887,6 +968,8 @@ namespace NLGUI
 			TextContext->setShadeOutline (_ShadowOutline);
 			TextContext->setShadeColor (shcol);
 			TextContext->setFontSize (_FontSize);
+			TextContext->setEmbolden (_Embolden);
+			TextContext->setOblique (_Oblique);
 
 			float y = (float)(_YReal) * ooh; // y is expressed in scree, coordinates [0..1]
 			//y += _LinesInfos[_LinesInfos.size()-1].StringLine / h;
@@ -953,7 +1036,7 @@ namespace NLGUI
 					// skip spaces before current word
 					float firstSpace = currWord.NumSpaces * currLine.getSpaceWidth();
 					sint line_width = 0;
-					if (_Underlined)
+					if (_Underlined || _StrikeThrough)
 					{
 						line_width = (sint)floorf(currLine.getWidthWithoutSpaces() + currLine.getSpaceWidth());
 						line_width -= (sint)floorf(firstSpace);
@@ -971,6 +1054,9 @@ namespace NLGUI
 					if (_Underlined)
 						rVR.drawRotFlipBitmap (_RenderLayer, (sint)floorf(px), y_line, line_width, 1, 0, false, rVR.getBlankTextureId(), col);
 
+					if (_StrikeThrough)
+						rVR.drawRotFlipBitmap (_RenderLayer, (sint)floorf(px), y_line + (_FontHeight / 2), line_width, 1, 0, false, rVR.getBlankTextureId(), col);
+
 					// skip word
 					px += currWord.Info.StringWidth;
 				}
@@ -1002,6 +1088,8 @@ namespace NLGUI
 			TextContext->setShadeOutline (_ShadowOutline);
 			TextContext->setShadeColor (shcol);
 			TextContext->setFontSize (_FontSize);
+			TextContext->setEmbolden (_Embolden);
+			TextContext->setOblique (_Oblique);
 
 
 			if(_LetterColors!=NULL && !TextContext->isSameLetterColors(_LetterColors, _Index))
@@ -1032,6 +1120,9 @@ namespace NLGUI
 			if (_Underlined)
 				rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+_FontLegHeight-2, _WReal, 1, 0, false, rVR.getBlankTextureId(), col);
 
+			if (_StrikeThrough)
+				rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+(_FontLegHeight/2), _WReal, 1, 0, false, rVR.getBlankTextureId(), col);
+
 			// reset selection
 			if(_TextSelection)
 				TextContext->resetStringSelection(_Index);
@@ -1154,6 +1245,22 @@ namespace NLGUI
 		return _FontSize - CWidgetManager::getInstance()->getSystemOption( CWidgetManager::OptionAddCoefFont).getValSInt32();
 	}
 
+	// ***************************************************************************
+	void CViewText::setEmbolden (bool embolden)
+	{
+		_Embolden = embolden;
+		computeFontSize ();
+		invalidateContent();
+	}
+
+	// ***************************************************************************
+	void CViewText::setOblique (bool oblique)
+	{
+		_Oblique = oblique;
+		computeFontSize ();
+		invalidateContent();
+	}
+
 	// ***************************************************************************
 	void CViewText::setColor(const NLMISC::CRGBA & color)
 	{
@@ -1679,6 +1786,8 @@ namespace NLGUI
 		TextContext->setShaded (_Shadow);
 		TextContext->setShadeOutline (_ShadowOutline);
 		TextContext->setFontSize (_FontSize);
+		TextContext->setEmbolden (_Embolden);
+		TextContext->setOblique (_Oblique);
 
 		// default state
 		_SingleLineTextClamped= false;
@@ -2000,6 +2109,8 @@ namespace NLGUI
 		TextContext->setShaded (_Shadow);
 		TextContext->setShadeOutline (_ShadowOutline);
 		TextContext->setFontSize (_FontSize);
+		TextContext->setEmbolden (_Embolden);
+		TextContext->setOblique (_Oblique);
 	//	CViewRenderer &rVR = *CViewRenderer::getInstance();
 		height = getFontHeight();
 		//
@@ -2132,6 +2243,8 @@ namespace NLGUI
 		TextContext->setShaded (_Shadow);
 		TextContext->setShadeOutline (_ShadowOutline);
 		TextContext->setFontSize (_FontSize);
+		TextContext->setEmbolden (_Embolden);
+		TextContext->setOblique (_Oblique);
 		 // find the line where the character is
 	//	CViewRenderer &rVR = *CViewRenderer::getInstance();
 		uint      charPos = 0;
@@ -2407,6 +2520,8 @@ namespace NLGUI
 		TextContext->setShaded (_Shadow);
 		TextContext->setShadeOutline (_ShadowOutline);
 		TextContext->setFontSize (_FontSize);
+		TextContext->setEmbolden (_Embolden);
+		TextContext->setOblique (_Oblique);
 
 		TCharPos linePos = 0;
 		while (linePos < _Text.length())
@@ -2492,6 +2607,8 @@ namespace NLGUI
 			TextContext->setShaded (_Shadow);
 			TextContext->setShadeOutline (_ShadowOutline);
 			TextContext->setFontSize (_FontSize);
+			TextContext->setEmbolden (_Embolden);
+			TextContext->setOblique (_Oblique);
 
 			// Current position in text
 			TCharPos currPos = 0;
@@ -2544,6 +2661,8 @@ namespace NLGUI
 		TextContext->setShaded (_Shadow);
 		TextContext->setShadeOutline (_ShadowOutline);
 		TextContext->setFontSize (_FontSize);
+		TextContext->setEmbolden (_Embolden);
+		TextContext->setOblique (_Oblique);
 
 		// Letter size
 		UTextContext::CStringInfo si = TextContext->getStringInfo(ucstring("|")); // for now we can't now that directly from UTextContext