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

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, Haiku, Inc.
//
// 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 "ServerFont.h"
#include "FontServer.h"
/*!
\brief Constructor
\param style Style object to which the ServerFont belongs
\param size Character size in points
\param rotation Rotation in degrees
\param shear Shear (slant) in degrees. 45 <= shear <= 135
\param flags Style flags as defined in <Font.h>
\param 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;
fEncoding=B_UNICODE_UTF8;
fBounds.Set(0,0,0,0);
if(fStyle)
fStyle->AddDependent();
}
ServerFont::ServerFont(void)
{
fStyle=NULL;
fSize=0.0;
frotation=0.0;
fshear=90.0;
fFlags=0;
fSpacing=B_STRING_SPACING;
fDirection=B_FONT_LEFT_TO_RIGHT;
fFace=B_REGULAR_FACE;
fEncoding=B_UNICODE_UTF8;
fBounds.Set(0,0,0,0);
}
/*!
\brief Copy Constructor
\param font 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;
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 a copy of the specified font
\param The font to copy from.
\return A copy of the specified font
*/
ServerFont& ServerFont::operator=(const ServerFont& font){
fStyle = font.fStyle;
fSize = font.fSize;
frotation = font.frotation;
fshear = font.fshear;
fFlags = font.fFlags;
fSpacing = font.fSpacing;
fDirection = B_FONT_LEFT_TO_RIGHT;
fFace = B_REGULAR_FACE;
fEncoding = B_UNICODE_UTF8;
fBounds.Set(0,0,0,0);
if(fStyle)
fStyle->AddDependent();
return *this;
}
/*!
\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 ServerFont::FileFormat
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;
}
const char *ServerFont::GetStyle(void) const
{
return fStyle->Name();
}
const char *ServerFont::GetFamily(void) const
{
return fStyle->Family()->Name();
}
/*!
\brief Obtains the height values for characters in the font in its current state
\param fh pointer to a font_height object to receive the values for the font
*/
void ServerFont::Height(font_height *fh)
{
if(!fh)
return;
if(fStyle)
*fh=fStyle->GetHeight(fSize);
}
/*!
\brief Sets the ServerFont instance to whatever font is specified
\param fontID the combination of family and style ID numbers
*/
void ServerFont::SetFamilyAndStyle(const uint32 &fontID)
{
uint16 style = fontID & 0xFFFF;
uint16 family = (fontID & 0xFFFF0000) >> 16;
fontserver->Lock();
FontStyle *sty=fontserver->GetStyle(family,style);
fontserver->Unlock();
if(sty)
fStyle=sty;
}
/*!
\brief Gets the ID values for the ServerFont instance in one shot
\return the combination of family and style ID numbers
*/
uint32 ServerFont::GetFamilyAndStyle(void)
{
uint32 famsty=0;
famsty|=FamilyID() << 16;
famsty|=StyleID();
return famsty;
}