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Diffstat (limited to 'cocoa/QuartzTextStyleAttribute.h')
-rw-r--r-- | cocoa/QuartzTextStyleAttribute.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/cocoa/QuartzTextStyleAttribute.h b/cocoa/QuartzTextStyleAttribute.h new file mode 100644 index 000000000..cf227e47f --- /dev/null +++ b/cocoa/QuartzTextStyleAttribute.h @@ -0,0 +1,142 @@ +/** + * QuartzTextStyleAttribute.h + * + * Original Code by Evan Jones on Wed Oct 02 2002. + * Contributors: + * Shane Caraveo, ActiveState + * Bernd Paradies, Adobe + * + */ + + +#ifndef _QUARTZ_TEXT_STYLE_ATTRIBUTE_H +#define _QUARTZ_TEXT_STYLE_ATTRIBUTE_H + +class QuartzTextStyleAttribute +{ +public: + QuartzTextStyleAttribute() {} + virtual ~QuartzTextStyleAttribute() {} + virtual ByteCount getSize() const = 0; + virtual ATSUAttributeValuePtr getValuePtr() = 0; + virtual ATSUAttributeTag getTag() const = 0; +}; + +class QuartzTextSize : public QuartzTextStyleAttribute +{ +public: + QuartzTextSize( float points ) + { + size = X2Fix( points ); + } + + ByteCount getSize() const + { + return sizeof( size ); + } + + ATSUAttributeValuePtr getValuePtr() + { + return &size; + } + + ATSUAttributeTag getTag() const + { + return kATSUSizeTag; + } + +private: + Fixed size; +}; + +class QuartzTextStyleAttributeBoolean : public QuartzTextStyleAttribute +{ +public: + QuartzTextStyleAttributeBoolean( bool newVal ) : value( newVal ) {} + + ByteCount getSize() const + { + return sizeof( value ); + } + ATSUAttributeValuePtr getValuePtr() + { + return &value; + } + + virtual ATSUAttributeTag getTag() const = 0; + +private: + Boolean value; +}; + +class QuartzTextBold : public QuartzTextStyleAttributeBoolean +{ +public: + QuartzTextBold( bool newVal ) : QuartzTextStyleAttributeBoolean( newVal ) {} + ATSUAttributeTag getTag() const + { + return kATSUQDBoldfaceTag; + } +}; + +class QuartzTextItalic : public QuartzTextStyleAttributeBoolean +{ +public: + QuartzTextItalic( bool newVal ) : QuartzTextStyleAttributeBoolean( newVal ) {} + ATSUAttributeTag getTag() const + { + return kATSUQDItalicTag; + } +}; + +class QuartzTextUnderline : public QuartzTextStyleAttributeBoolean +{ +public: + QuartzTextUnderline( bool newVal ) : QuartzTextStyleAttributeBoolean( newVal ) {} + ATSUAttributeTag getTag() const { + return kATSUQDUnderlineTag; + } +}; + +class QuartzFont : public QuartzTextStyleAttribute +{ +public: + /** Create a font style from a name. */ + QuartzFont( const char* name, int length ) + { + assert( name != NULL && length > 0 && name[length] == '\0' ); + // try to create font + OSStatus err = ATSUFindFontFromName( const_cast<char*>( name ), length, kFontFullName, (unsigned) kFontNoPlatform, kFontRomanScript, (unsigned) kFontNoLanguage, &fontid ); + + // need a fallback if font isn't installed + if( err != noErr || fontid == kATSUInvalidFontID ) + ::ATSUFindFontFromName( "Lucida Grande", 13, kFontFullName, (unsigned) kFontNoPlatform, kFontRomanScript, (unsigned) kFontNoLanguage, &fontid ); + } + + ByteCount getSize() const + { + return sizeof( fontid ); + } + + ATSUAttributeValuePtr getValuePtr() + { + return &fontid; + } + + ATSUAttributeTag getTag() const + { + return kATSUFontTag; + } + + ATSUFontID getFontID() const + { + return fontid; + } + +private: + ATSUFontID fontid; +}; + + +#endif + |