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/*
* QuartzTextStyle.h
*
* Created by Evan Jones on Wed Oct 02 2002.
*
*/
#ifndef _QUARTZ_TEXT_STYLE_H
#define _QUARTZ_TEXT_STYLE_H
#include "QuartzTextStyleAttribute.h"
class QuartzTextStyle
{
public:
QuartzTextStyle()
{
ATSUCreateStyle( &style );
}
~QuartzTextStyle()
{
if ( style != NULL )
ATSUDisposeStyle( style );
style = NULL;
}
void setAttribute( ATSUAttributeTag tag, ByteCount size, ATSUAttributeValuePtr value )
{
ATSUSetAttributes( style, 1, &tag, &size, &value );
}
void setAttribute( QuartzTextStyleAttribute& attribute )
{
setAttribute( attribute.getTag(), attribute.getSize(), attribute.getValuePtr() );
}
void getAttribute( ATSUAttributeTag tag, ByteCount size, ATSUAttributeValuePtr value, ByteCount* actualSize )
{
ATSUGetAttribute( style, tag, size, value, actualSize );
}
template <class T>
T getAttribute( ATSUAttributeTag tag )
{
T value;
ByteCount actualSize;
ATSUGetAttribute( style, tag, sizeof( T ), &value, &actualSize );
return value;
}
// TODO: Is calling this actually faster than calling setAttribute multiple times?
void setAttributes( QuartzTextStyleAttribute* attributes[], int number )
{
// Create the parallel arrays and initialize them properly
ATSUAttributeTag* tags = new ATSUAttributeTag[ number ];
ByteCount* sizes = new ByteCount[ number ];
ATSUAttributeValuePtr* values = new ATSUAttributeValuePtr[ number ];
for ( int i = 0; i < number; ++ i )
{
tags[i] = attributes[i]->getTag();
sizes[i] = attributes[i]->getSize();
values[i] = attributes[i]->getValuePtr();
}
ATSUSetAttributes( style, number, tags, sizes, values );
// Free the arrays that were allocated
delete[] tags;
delete[] sizes;
delete[] values;
}
void setFontFeature( ATSUFontFeatureType featureType, ATSUFontFeatureSelector selector )
{
ATSUSetFontFeatures( style, 1, &featureType, &selector );
}
const ATSUStyle& getATSUStyle() const
{
return style;
}
private:
ATSUStyle style;
};
#endif