osxfont.cpp

来自「这是VCF框架的代码」· C++ 代码 · 共 380 行

//OSXFont.cpp

/*
Copyright 2000-2004 The VCF Project.
Please see License.txt in the top level directory
where you installed the VCF.
*/


#include "vcf/GraphicsKit/GraphicsKit.h"
#include "vcf/GraphicsKit/GraphicsKitPrivate.h"



using namespace VCF;


OSXFont::OSXFont( const String& fontName ):
	fontStyle_(nil),
	attrBold_(FALSE),
	attrItalic_(FALSE),
	attrUnderlined_(FALSE),
    attrFontID_(0),
	font_(NULL)
{
	attrColor_.red = 0;
	attrColor_.green = 0;
	attrColor_.blue = 0;
    attrColor_.alpha = 1.0;

	OSStatus err = ATSUCreateStyle (&fontStyle_);
	if ( err != noErr ) {
		throw RuntimeException( MAKE_ERROR_MSG_2("ATSUCreateStyle failed to create font style!" ) );
	}

	attrSize_ = IntToFixed((int)12);

	SInt16 iFONDNumber = 0;
    Str255 pStr;
    CopyCStringToPascal( fontName.empty() ? "Arial" : fontName.ansi_c_str(), pStr );
	iFONDNumber = FMGetFontFamilyFromName( pStr );
	err = ATSUFONDtoFontID(iFONDNumber,  NULL, &attrFontID_);

	if ( err != noErr ) {
		throw RuntimeException( MAKE_ERROR_MSG_2("ATSUFONDtoFontID failed to create font ID instance!" ) );
	}


	initATSUAttrs();
}

OSXFont::OSXFont( const String& fontName, const double& pointSize ):
	fontStyle_(nil),
	attrBold_(FALSE),
	attrItalic_(FALSE),
	attrUnderlined_(FALSE),
    attrFontID_(0),
	font_(NULL)
{
	attrColor_.red = 0;
	attrColor_.green = 0;
	attrColor_.blue = 0;
    attrColor_.alpha = 1.0;

	OSStatus err = ATSUCreateStyle (&fontStyle_);
	if ( err != noErr ) {
		throw RuntimeException( MAKE_ERROR_MSG_2("ATSUCreateStyle failed to create font style!" ) );
	}
	SInt16 iFONDNumber = 0;
    Str255 pStr;
    CopyCStringToPascal( fontName.empty() ? "Arial" : fontName.ansi_c_str(), pStr );
	iFONDNumber = FMGetFontFamilyFromName( pStr );
	err = ATSUFONDtoFontID(iFONDNumber,  NULL, &attrFontID_);

	if ( err != noErr ) {
		throw RuntimeException( MAKE_ERROR_MSG_2("ATSUFONDtoFontID failed to create font ID instance!" ) );
	}

	attrSize_ = IntToFixed((int)pointSize);

	initATSUAttrs();
}

void OSXFont::initATSUAttrs()
{
	attrSizes_[OSXFont::attrFontName] = sizeof(ATSUFontID);
	attrSizes_[OSXFont::attrFontSize] = sizeof(Fixed);
	attrSizes_[OSXFont::attrFontBold] = sizeof(Boolean);
	attrSizes_[OSXFont::attrFontItalic] = sizeof(Boolean);
	attrSizes_[OSXFont::attrFontUnderline] = sizeof(Boolean);
	attrSizes_[OSXFont::attrFontColor] = sizeof(ATSURGBAlphaColor);


	attrValues_[OSXFont::attrFontName] = &attrFontID_;
	attrValues_[OSXFont::attrFontSize] = &attrSize_;
	attrValues_[OSXFont::attrFontBold] = &attrBold_;
	attrValues_[OSXFont::attrFontItalic] = &attrItalic_;
	attrValues_[OSXFont::attrFontUnderline] = &attrUnderlined_;
	attrValues_[OSXFont::attrFontColor] = &attrColor_;

	attrTags_[OSXFont::attrFontName] = kATSUFontTag;
	attrTags_[OSXFont::attrFontSize] = kATSUSizeTag;
	attrTags_[OSXFont::attrFontBold] = kATSUQDBoldfaceTag;
	attrTags_[OSXFont::attrFontItalic] = kATSUQDItalicTag;
	attrTags_[OSXFont::attrFontUnderline] = kATSUQDUnderlineTag;
	attrTags_[OSXFont::attrFontColor] = kATSURGBAlphaColorTag;

	updateStyleWithAttrs();
}

void OSXFont::updateStyleWithAttrs()
{
	OSStatus err = ATSUSetAttributes (fontStyle_,
											OSXFont::tagCount,
											attrTags_,
											attrSizes_,
											attrValues_);

	if ( err != noErr ) {
		throw RuntimeException( MAKE_ERROR_MSG_2("ATSUSetAttributes failed in updateStyleWithAttrs()") );
	}
}

OSXFont::~OSXFont()
{
	if ( nil != fontStyle_ ) {
		ATSUDisposeStyle( fontStyle_ );
	}
}

void OSXFont::init()
{

}

OSHandleID OSXFont::getFontHandleID()
{
	return (OSHandleID)fontStyle_;
}

String OSXFont::getName()
{
	return "FoobarBaz";
}

void OSXFont::setName( const String& name )
{
	SInt16 iFONDNumber = 0;
	Str255 pStr;
    CopyCStringToPascal( name.ansi_c_str(), pStr );
	iFONDNumber = FMGetFontFamilyFromName( pStr );
    if ( iFONDNumber != kInvalidFontFamily ) {
        OSStatus err = ATSUFONDtoFontID(iFONDNumber,  NULL, &attrFontID_);
        if ( err != noErr ) {
            throw RuntimeException( MAKE_ERROR_MSG_2("ATSUFONDtoFontID failed - probably due to an invalid font name, or perhaps conversion to a Pascal String failed.") );
        }
    }

	updateStyleWithAttrs();
}

void OSXFont::setColor( Color* color )
{
    attrColor_.red = color->getRed();
    attrColor_.green = color->getGreen();
    attrColor_.blue = color->getBlue();
    attrColor_.alpha = 1.0;

    updateStyleWithAttrs();
}

bool OSXFont::isTrueType()
{
	return true;
}

double OSXFont::getPointSize()
{
	return (double) VCF_FIXEDTOINT(attrSize_);
}

void OSXFont::setPointSize( const double pointSize )
{
	attrSize_ = VCF_INTTOFIXED((int)pointSize);

	updateStyleWithAttrs();
}

double OSXFont::getPixelSize()
{
	return (double) VCF_FIXEDTOINT(attrSize_);
}

void OSXFont::setPixelSize( const double pixelSize )
{
	setPointSize( pixelSize );
}

void OSXFont::setBold( const bool& bold )
{
	attrBold_ = bold ? TRUE : FALSE;

	updateStyleWithAttrs();
}

bool OSXFont::getBold()
{
	return (attrBold_ == TRUE) ? true : false;
}

bool OSXFont::getItalic()
{
	return (attrItalic_ == TRUE) ? true : false;
}

void OSXFont::setItalic( const bool& italic )
{
	attrItalic_ = italic ? TRUE : FALSE;

	updateStyleWithAttrs();
}

bool OSXFont::getUnderlined()
{
	return (attrUnderlined_ == TRUE) ? true : false;
}

void OSXFont::setUnderlined( const bool& underlined )
{
	attrUnderlined_ = underlined ? TRUE : FALSE;

	updateStyleWithAttrs();
}

bool OSXFont::getStrikeOut()
{
	return false;
}

void OSXFont::setStrikeOut( const bool& strikeout )
{

}

void OSXFont::setFont( Font* font ) 
{
	font_ = font;
}

void OSXFont::setAttributes( const double& pointSize, const bool& bold, const bool& italic,
								const bool& underlined, const bool& struckOut, const String& name )
{
	attrBold_ = bold ? TRUE : FALSE;
	attrItalic_ = italic ? TRUE : FALSE;
	attrUnderlined_ = underlined ? TRUE : FALSE;

	attrSize_ = IntToFixed((int)pointSize);

	SInt16 iFONDNumber = 0;
	Str255 pStr;
    CopyCStringToPascal( name.ansi_c_str(), pStr );
	iFONDNumber = FMGetFontFamilyFromName( pStr );
	if ( iFONDNumber != kInvalidFontFamily ) {
        OSStatus err = ATSUFONDtoFontID(iFONDNumber,  NULL, &attrFontID_);
        if ( err != noErr ) {
            throw RuntimeException( MAKE_ERROR_MSG_2("ATSUFONDtoFontID failed - probably due to an invalid font name, or perhaps conversion to a Pascal String failed.") );
        }
    }

	updateStyleWithAttrs();
}

double OSXFont::getAscent()
{
	ATSUTextMeasurement val = 0;
	ByteCount sz = sizeof(val);
	OSStatus err = ATSUGetAttribute( fontStyle_, kATSUAscentTag, sizeof(val), &val, &sz );
	if ( err != noErr ) {
		return -1.0;
	}
	
	return FixedPointNumber(val);
}

double OSXFont::getDescent()
{
	ATSUTextMeasurement val = 0;
	ByteCount sz = sizeof(val);
	OSStatus err = ATSUGetAttribute( fontStyle_, kATSUDescentTag, sizeof(val), &val, &sz );
	if ( err != noErr ) {
		return -1.0;
	}
	
	return FixedPointNumber(val);
}

bool OSXFont::isFixedPitch()
{
	return false;
}

bool OSXFont::isEqual( Object* object )
{
	bool result = false;
	OSXFont* fntObj = dynamic_cast<OSXFont*>(object);
	if ( NULL != fntObj ){

		if ( (this->attrFontID_ == fntObj->attrFontID_) &&
			 (this->attrBold_ == fntObj->attrBold_) &&
			 (this->attrItalic_ == fntObj->attrItalic_) &&
			 (this->attrUnderlined_ == fntObj->attrUnderlined_) &&
			 (this->attrSize_ == fntObj->attrSize_)  ) {
			result = true;
		}
	}

	return result;
}


/**
*CVS Log info
*$Log$
*Revision 1.6  2006/04/07 02:35:41  ddiego
*initial checkin of merge from 0.6.9 dev branch.
*
*Revision 1.5.2.1  2005/11/27 23:55:45  ddiego
*more osx updates.
*
*Revision 1.5  2005/07/09 23:06:00  ddiego
*added missing gtk files
*
*Revision 1.4  2005/01/08 20:52:48  ddiego
*fixed some glitches in osx impl.
*
*Revision 1.3.2.1  2005/05/08 19:55:32  ddiego
*osx updates, not yet functional.
*
*Revision 1.3  2004/12/01 04:31:44  ddiego
*merged over devmain-0-6-6 code. Marcello did a kick ass job
*of fixing a nasty bug (1074768VCF application slows down modal dialogs.)
*that he found. Many, many thanks for this Marcello.
*
*Revision 1.2.2.2  2004/10/27 03:12:18  ddiego
*integrated chrisk changes
*
*Revision 1.2.2.1  2004/10/10 15:24:00  ddiego
*updated os x code in graphics stuff.
*
*Revision 1.2  2004/08/07 02:49:18  ddiego
*merged in the devmain-0-6-5 branch to stable
*
*Revision 1.1.2.7  2004/07/27 04:26:05  ddiego
*updated devmain-0-6-5 branch with osx changes
*
*Revision 1.1.2.6  2004/06/06 07:05:34  marcelloptr
*changed macros, text reformatting, copyright sections
*
*Revision 1.1.2.5  2004/05/31 13:20:58  ddiego
*more osx updates
*
*Revision 1.1.2.4  2004/05/06 03:01:29  ddiego
*checking in OSX updates
*
*Revision 1.1.2.3  2004/04/30 05:44:34  ddiego
*added OSX changes for unicode migration
*
*Revision 1.2  2004/04/03 15:48:47  ddiego
*Merged over code from the 0-6-3 branch.
*
*Revision 1.1.2.2  2004/02/22 06:50:22  ddiego
*more progress with the OSX GraphicsKit - almost done!
*
*Revision 1.1.2.1  2004/02/21 03:27:09  ddiego
*updates for OSX porting
*
*/