143 lines
3.2 KiB
C++
143 lines
3.2 KiB
C++
/**
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* QuartzTextStyleAttribute.h
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*
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* Original Code by Evan Jones on Wed Oct 02 2002.
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* Contributors:
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* Shane Caraveo, ActiveState
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* Bernd Paradies, Adobe
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*
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*/
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#ifndef _QUARTZ_TEXT_STYLE_ATTRIBUTE_H
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#define _QUARTZ_TEXT_STYLE_ATTRIBUTE_H
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class QuartzTextStyleAttribute
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{
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public:
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QuartzTextStyleAttribute() {}
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virtual ~QuartzTextStyleAttribute() {}
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virtual ByteCount getSize() const = 0;
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virtual ATSUAttributeValuePtr getValuePtr() = 0;
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virtual ATSUAttributeTag getTag() const = 0;
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};
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class QuartzTextSize : public QuartzTextStyleAttribute
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{
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public:
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QuartzTextSize( float points )
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{
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size = X2Fix( points );
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}
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ByteCount getSize() const
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{
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return sizeof( size );
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}
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ATSUAttributeValuePtr getValuePtr()
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{
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return &size;
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}
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ATSUAttributeTag getTag() const
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{
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return kATSUSizeTag;
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}
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private:
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Fixed size;
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};
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class QuartzTextStyleAttributeBoolean : public QuartzTextStyleAttribute
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{
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public:
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QuartzTextStyleAttributeBoolean( bool newVal ) : value( newVal ) {}
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ByteCount getSize() const
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{
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return sizeof( value );
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}
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ATSUAttributeValuePtr getValuePtr()
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{
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return &value;
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}
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virtual ATSUAttributeTag getTag() const = 0;
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private:
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Boolean value;
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};
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class QuartzTextBold : public QuartzTextStyleAttributeBoolean
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{
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public:
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QuartzTextBold( bool newVal ) : QuartzTextStyleAttributeBoolean( newVal ) {}
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ATSUAttributeTag getTag() const
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{
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return kATSUQDBoldfaceTag;
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}
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};
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class QuartzTextItalic : public QuartzTextStyleAttributeBoolean
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{
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public:
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QuartzTextItalic( bool newVal ) : QuartzTextStyleAttributeBoolean( newVal ) {}
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ATSUAttributeTag getTag() const
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{
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return kATSUQDItalicTag;
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}
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};
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class QuartzTextUnderline : public QuartzTextStyleAttributeBoolean
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{
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public:
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QuartzTextUnderline( bool newVal ) : QuartzTextStyleAttributeBoolean( newVal ) {}
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ATSUAttributeTag getTag() const {
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return kATSUQDUnderlineTag;
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}
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};
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class QuartzFont : public QuartzTextStyleAttribute
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{
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public:
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/** Create a font style from a name. */
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QuartzFont( const char* name, int length )
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{
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assert( name != NULL && length > 0 && name[length] == '\0' );
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// try to create font
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OSStatus err = ATSUFindFontFromName( const_cast<char*>( name ), length, kFontFullName, (unsigned) kFontNoPlatform, kFontRomanScript, (unsigned) kFontNoLanguage, &fontid );
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// need a fallback if font isn't installed
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if( err != noErr || fontid == kATSUInvalidFontID )
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::ATSUFindFontFromName( "Lucida Grande", 13, kFontFullName, (unsigned) kFontNoPlatform, kFontRomanScript, (unsigned) kFontNoLanguage, &fontid );
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}
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ByteCount getSize() const
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{
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return sizeof( fontid );
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}
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ATSUAttributeValuePtr getValuePtr()
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{
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return &fontid;
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}
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ATSUAttributeTag getTag() const
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{
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return kATSUFontTag;
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}
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ATSUFontID getFontID() const
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{
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return fontid;
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}
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private:
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ATSUFontID fontid;
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};
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#endif
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