haiku/src/servers/app/server/ServerFont.cpp

//------------------------------------------------------------------------------
//	Copyright (c) 2001-2002, OpenBeOS
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//	Software is furnished to do so, subject to the following conditions:
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//	The above copyright notice and this permission notice shall be included in
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//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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//	DEALINGS IN THE SOFTWARE.
//
//	File Name:		ServerFont.cpp
//	Author:			DarkWyrm <bpmagic@columbus.rr.com>
//	Description:	Shadow BFont class
//  
//------------------------------------------------------------------------------
#include "FontFamily.h"
#include "ServerFont.h"


/*! 
	\brief Constructor
	\param Style object to which the ServerFont belongs
	\param Character size in points
	\param Rotation in degrees
	\param Shear (slant) in degrees. 45 <= shear <= 135
	\param Style flags as defined in <Font.h>
	\spacing String spacing flag as defined in <Font.h>
*/
ServerFont::ServerFont(FontStyle *style, float size, float rotation, float shear,
	uint16 flags, uint8 spacing)
{
	fstyle=style;
	fsize=size;
	frotation=rotation;
	fshear=shear;
	fflags=flags;
	fspacing=spacing;
	fdirection=B_FONT_LEFT_TO_RIGHT;
	fface=B_REGULAR_FACE;
	ftruncate=B_TRUNCATE_END;
	fencoding=B_UNICODE_UTF8;
	fbounds.Set(0,0,0,0);
	if(fstyle)
		fstyle->AddDependent();
}

/*! 
	\brief Copy Constructor
	\param ServerFont to copy
*/
ServerFont::ServerFont(const ServerFont &font)
{
	fstyle=font.fstyle;
	fsize=font.fsize;
	frotation=font.frotation;
	fshear=font.fshear;
	fflags=font.fflags;
	fspacing=font.fspacing;
	fdirection=font.fdirection;
	fface=font.fface;
	ftruncate=font.ftruncate;
	fencoding=font.fencoding;
	fbounds.Set(0,0,0,0);
	if(fstyle)
		fstyle->AddDependent();
}

/*! 
	\brief Removes itself as a dependency of its owning style.
*/
ServerFont::~ServerFont(void)
{
	if(fstyle)
		fstyle->RemoveDependent();
}

/*! 
	\brief Returns the number of strikes in the font
	\return The number of strikes in the font
*/
int32 ServerFont::CountTuned(void)
{
	if(fstyle)
		fstyle->TunedCount();

	return 0;
}

/*! 
	\brief Returns the file format of the font. Currently unimplemented.
	\return B_TRUETYPE_WINDOWS
*/
font_file_format ServerFont::FileFormat(void)
{
	// TODO: implement
	return 	B_TRUETYPE_WINDOWS;
}

/*! 
	\brief Returns a BRect which encloses the entire font
	\return A BRect which encloses the entire font
*/
BRect ServerFont::BoundingBox(void)
{
	return fbounds;
}

/*! 
	\brief Obtains the height values for characters in the font in its current state
	\param pointer to a font_height object to receive the values for the font
*/
void ServerFont::Height(font_height *fh)
{
	fh->ascent=fheight.ascent;
	fh->descent=fheight.descent;
	fh->leading=fheight.leading;
}