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