katefont.cpp
/* This file is part of the KDE libraries
Copyright (C) 2002 Christian Couder <christian@kdevelop.org>
Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org>
Copyright (C) 1999 Jochen Wilhelmy <digisnap@cs.tu-berlin.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "katefont.h"
#include <kglobalsettings.h>
#include <qfontinfo.h>
//
// KateFontMetrics implementation
//
KateFontMetrics::KateFontMetrics(const QFont& f) : QFontMetrics(f)
{
for (int i=0; i<256; i++) warray[i]=0;
}
KateFontMetrics::~KateFontMetrics()
{
for (int i=0; i<256; i++)
delete[] warray[i];
}
short * KateFontMetrics::createRow (short *wa, uchar row)
{
wa=warray[row]=new short[256];
for (int i=0; i<256; i++) wa[i]=-1;
return wa;
}
int KateFontMetrics::width(QChar c)
{
uchar cell=c.cell();
uchar row=c.row();
short *wa=warray[row];
if (!wa)
wa = createRow (wa, row);
if (wa[cell]<0) wa[cell]=(short) QFontMetrics::width(c);
return (int)wa[cell];
}
//
// KateFontStruct implementation
//
KateFontStruct::KateFontStruct()
: myFont(KGlobalSettings::fixedFont()),
myFontBold(KGlobalSettings::fixedFont()),
myFontItalic(KGlobalSettings::fixedFont()),
myFontBI(KGlobalSettings::fixedFont()),
myFontMetrics(myFont),
myFontMetricsBold(myFontBold),
myFontMetricsItalic(myFontItalic),
myFontMetricsBI(myFontBI),
m_fixedPitch (false)
{
updateFontData ();
}
KateFontStruct::~KateFontStruct()
{
}
void KateFontStruct::updateFontData ()
{
int maxAscent = myFontMetrics.ascent();
int maxDescent = myFontMetrics.descent();
fontHeight = maxAscent + maxDescent + 1;
fontAscent = maxAscent;
m_fixedPitch = QFontInfo( myFont ).fixedPitch();
}
void KateFontStruct::setFont (const QFont & font)
{
QFontMetrics testFM (font);
// no valid font tried
if ((testFM.ascent() + testFM.descent() + 1) < 1)
return;
myFont = font;
myFontBold = QFont (font);
myFontBold.setBold (true);
myFontItalic = QFont (font);
myFontItalic.setItalic (true);
myFontBI = QFont (font);
myFontBI.setBold (true);
myFontBI.setItalic (true);
myFontMetrics = KateFontMetrics (myFont);
myFontMetricsBold = KateFontMetrics (myFontBold);
myFontMetricsItalic = KateFontMetrics (myFontItalic);
myFontMetricsBI = KateFontMetrics (myFontBI);
updateFontData ();
}
// kate: space-indent on; indent-width 2; replace-tabs on;
KGlobalSettings

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