kwqfont.cpp

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/*
 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
 * Portions Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <gdi.h>
#include "KWQFont.h"
#include "KWQExceptions.h"
#include "KWQString.h"
#include "WebCoreTextRendererFactory.h"
#include "WebCoreTextRenderer.h"

QFont::QFont()
    : _trait(0)
    , _size(12.0)
    , _isPrinterFont(false)
    , _renderer(0)
{
}

QFont::~QFont()
{
    ReleaseRenderer();
}

QFont::QFont( const QFont& font )
	: _trait( font._trait )
	, _size( font._size )
	, _isPrinterFont( font._isPrinterFont )
	, _family( font._family )
{
    if( font._renderer ){
        font._renderer->Ref();
    }
    _renderer = font._renderer;
}

QFont& QFont::operator= ( const QFont& font )
{
	_trait = font._trait;
	_size = font._size;
	_isPrinterFont = font._isPrinterFont;
	_family = font._family;
    if( font._renderer ){
        font._renderer->Ref();
    }
    ReleaseRenderer();
	_renderer = font._renderer;
	return *this;
}

QString QFont::family() const
{
    return _family.family().string();
}


void QFont::setFirstFamily(const KWQFontFamily& family)
{
    _family = family;
}

void QFont::setFamily(const QString& qfamilyName)
{
  _family.setFamily(qfamilyName);
  ReleaseRenderer();
}

void QFont::setPixelSize(float s)
{
	if (_size != s) {
        ReleaseRenderer();
    }
    _size = s;
}

void QFont::setWeight(int weight)
{
    if (weight == Bold) {
        if (!(_trait & EWebCoreBoldFontMask)){
            ReleaseRenderer();
        }
        _trait |= EWebCoreBoldFontMask;
    } else if (weight == Normal) {
        if ((_trait & EWebCoreBoldFontMask)){
            ReleaseRenderer();
        }
        _trait &= ~EWebCoreBoldFontMask;
    }
}

void QFont::setPrinterFont(bool isPrinterFont)
{
    _isPrinterFont = isPrinterFont;
}

int QFont::weight() const
{
    return bold() ? Bold : Normal;
}

void QFont::setItalic(bool flag)
{
    if (flag) {
        if (!(_trait & EWebCoreItalicFontMask)){
            ReleaseRenderer();
        }
        _trait |= EWebCoreItalicFontMask;
    } else {
        if ((_trait & EWebCoreItalicFontMask)){
            ReleaseRenderer();
        }
        _trait &= ~EWebCoreItalicFontMask;
    }
}

bool QFont::italic() const
{
    return _trait & EWebCoreItalicFontMask;
}

bool QFont::bold() const
{
    return _trait & EWebCoreBoldFontMask;
}

bool QFont::isFixedPitch()
{
    return Renderer()->IsFontFixedPitch();
}

bool QFont::operator == ( const QFont& font ) const
{
	return 	_trait == font._trait &&
			_size == font._size &&
			_isPrinterFont == font._isPrinterFont &&
			_family == font._family &&
			_renderer == font._renderer;
}
const CFont *QFont::Font()
{
    return Renderer()?Renderer()->Font():0;
}

MWebCoreTextRenderer *QFont::Renderer()
{
    if (!_renderer) {
        CREATE_FAMILY_ARRAY(*this, families);
        _renderer = TWebCoreTextRendererFactory::Factory()->RendererWithFamilies(families, getTraits(), getSize());
        if (_renderer)
            _renderer->Ref();
    }
    return _renderer;
}

void QFont::ReleaseRenderer()
{
    if( _renderer ){
        _renderer->Deref();
        _renderer = 0;
    }
}