kate Library: katefont.cpp Source File (kate Library)

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# katefont.cpp

    00001 /* This file is part of the KDE libraries
    00002    Copyright (C) 2002 Christian Couder <christian@kdevelop.org>
    00003    Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
    00004    Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org>
    00005    Copyright (C) 1999 Jochen Wilhelmy <digisnap@cs.tu-berlin.de>
    00006
    00007    This library is free software; you can redistribute it and/or
    00008    modify it under the terms of the GNU Library General Public
    00009    License version 2 as published by the Free Software Foundation.
    00010
    00011    This library is distributed in the hope that it will be useful,
    00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00014    Library General Public License for more details.
    00015
    00016    You should have received a copy of the GNU Library General Public License
    00017    along with this library; see the file COPYING.LIB.  If not, write to
    00018    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00019    Boston, MA 02111-1307, USA.
    00020 */
    00021
    00022 #include "katefont.h"
    00023
    00024 #include <kglobalsettings.h>
    00025
    00026 #include <qfontinfo.h>
    00027
    00028 //
    00029 // KateFontMetrics implementation
    00030 //
    00031
    00032 KateFontMetrics::KateFontMetrics(const QFont& f) : QFontMetrics(f)
    00033 {
    00034   for (int i=0; i<256; i++) warray[i]=0;
    00035 }
    00036
    00037 KateFontMetrics::~KateFontMetrics()
    00038 {
    00039   for (int i=0; i<256; i++)
    00040     delete[] warray[i];
    00041 }
    00042
    00043 short * KateFontMetrics::createRow (short *wa, uchar row)
    00044 {
    00045   wa=warray[row]=new short[256];
    00046
    00047   for (int i=0; i<256; i++) wa[i]=-1;
    00048
    00049   return wa;
    00050 }
    00051
    00052 int KateFontMetrics::width(QChar c)
    00053 {
    00054   uchar cell=c.cell();
    00055   uchar row=c.row();
    00056   short *wa=warray[row];
    00057
    00058   if (!wa)
    00059     wa = createRow (wa, row);
    00060
    00061   if (wa[cell]<0) wa[cell]=(short) QFontMetrics::width(c);
    00062
    00063   return (int)wa[cell];
    00064 }
    00065
    00066 //
    00067 // KateFontStruct implementation
    00068 //
    00069
    00070 KateFontStruct::KateFontStruct()
    00071 : myFont(KGlobalSettings::fixedFont()),
    00072   myFontBold(KGlobalSettings::fixedFont()),
    00073   myFontItalic(KGlobalSettings::fixedFont()),
    00074   myFontBI(KGlobalSettings::fixedFont()),
    00075   myFontMetrics(myFont),
    00076   myFontMetricsBold(myFontBold),
    00077   myFontMetricsItalic(myFontItalic),
    00078   myFontMetricsBI(myFontBI),
    00079   m_fixedPitch (false)
    00080 {
    00081   updateFontData ();
    00082 }
    00083
    00084 KateFontStruct::~KateFontStruct()
    00085 {
    00086 }
    00087
    00088 void KateFontStruct::updateFontData ()
    00089 {
    00090   int maxAscent = myFontMetrics.ascent();
    00091   int maxDescent = myFontMetrics.descent();
    00092
    00093   fontHeight = maxAscent + maxDescent + 1;
    00094   fontAscent = maxAscent;
    00095
    00096   m_fixedPitch = QFontInfo( myFont ).fixedPitch();
    00097 }
    00098
    00099 void KateFontStruct::setFont (const QFont & font)
    00100 {
    00101   myFont = font;
    00102
    00103   myFontBold = QFont (font);
    00104   myFontBold.setBold (true);
    00105
    00106   myFontItalic = QFont (font);
    00107   myFontItalic.setItalic (true);
    00108
    00109   myFontBI = QFont (font);
    00110   myFontBI.setBold (true);
    00111   myFontBI.setItalic (true);
    00112
    00113   myFontMetrics = KateFontMetrics (myFont);
    00114   myFontMetricsBold = KateFontMetrics (myFontBold);
    00115   myFontMetricsItalic = KateFontMetrics (myFontItalic);
    00116   myFontMetricsBI = KateFontMetrics (myFontBI);
    00117
    00118   updateFontData ();
    00119 }
    00120
    00121 // kate: space-indent on; indent-width 2; replace-tabs on;

This file is part of the documentation for kate Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
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