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

//------------------------------------------------------------------------------
//	Copyright (c) 2001-2002, OpenBeOS
//
//	Permission is hereby granted, free of charge, to any person obtaining a
//	copy of this software and associated documentation files (the "Software"),
//	to deal in the Software without restriction, including without limitation
//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
//	and/or sell copies of the Software, and to permit persons to whom the
//	Software is furnished to do so, subject to the following conditions:
//
//	The above copyright notice and this permission notice shall be included in
//	all copies or substantial portions of the Software.
//
//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//	DEALINGS IN THE SOFTWARE.
//
//	File Name:		ServerFont.cpp
//	Author:			DarkWyrm <bpmagic@columbus.rr.com>
//	Description:	Shadow BFont class
//  
//------------------------------------------------------------------------------
#include "FontFamily.h"
#include "ServerFont.h"


/*! 
	\fn ServerFont(FontStyle *style, float size, float rotation, float shear, uint16 flags, uint8 spacing)
	\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();
}

/*! 
	\fn ServerFont(FontStyle *style, float size, float rotation, float shear, uint16 flags, uint8 spacing)
	\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();
}

/*! 
	\fn ServerFont(FontStyle *style, float size, float rotation, float shear, uint16 flags, uint8 spacing)
	\brief Destructor
	
	Removes itself as a dependency of its owning style.
*/
ServerFont::~ServerFont(void)
{
	if(fstyle)
		fstyle->RemoveDependent();
}

/*! 
	\fn int32 ServerFont::CountTuned(void)
	\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;
}

/*! 
	\fn font_file_format ServerFont::FileFormat(void)
	\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;
}

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

/*! 
	\fn void ServerFont::Height(font_height *fh)
	\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;
}