notepad-plus-plus-legacy/scintilla/cocoa/QuartzTextStyleAttribute.h

/**
 *  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 QuartzFont
{
public:
    /** Create a font style from a name. */
	QuartzFont( const char* name, size_t length, float size, int weight, bool italic )
    {
        assert( name != NULL && length > 0 && name[length] == '\0' );

		CFStringRef fontName = CFStringCreateWithCString(kCFAllocatorDefault, name, kCFStringEncodingMacRoman);
		assert(fontName != NULL);
	        bool bold = weight > SC_WEIGHT_NORMAL;

		if (bold || italic)
		{
			CTFontSymbolicTraits desiredTrait = 0;
			CTFontSymbolicTraits traitMask = 0;

			// if bold was specified, add the trait
			if (bold) {
				desiredTrait |= kCTFontBoldTrait;
				traitMask |= kCTFontBoldTrait;
			}

			// if italic was specified, add the trait
			if (italic) {
				desiredTrait |= kCTFontItalicTrait;
				traitMask |= kCTFontItalicTrait;
			}

			// create a font and then a copy of it with the sym traits
			CTFontRef iFont = ::CTFontCreateWithName(fontName, size, NULL);
			fontid = ::CTFontCreateCopyWithSymbolicTraits(iFont, size, NULL, desiredTrait, traitMask);
			if (fontid)
			{
				CFRelease(iFont);
			}
			else
			{
				// Traits failed so use base font
				fontid = iFont;
			}
		}
		else
		{
			// create the font, no traits
			fontid = ::CTFontCreateWithName(fontName, size, NULL);
		}

		if (!fontid)
		{
			// Failed to create requested font so use font always present
			fontid = ::CTFontCreateWithName((CFStringRef)@"Monaco", size, NULL);
		}

		CFRelease(fontName);
    }

	CTFontRef getFontID()
    {
        return fontid;
    }

private:
	CTFontRef fontid;
};

#endif