kdelibs/khtml/test_regression_fontoverload.cpp
Ivailo Monev 39f1e04295 generic: add back khtml and kjs with some changes
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2015-11-09 23:23:53 +02:00

555 lines
19 KiB
C++

/**
* This file is part of the KDE project
*
* Copyright (C) 2003 Stephan Kulow (coolo@kde.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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 "ecma/kjs_proxy.h"
#define QT_NO_FONTCONFIG 1
#define QT_NO_FREETYPE 1
#include <private/qfontengine_p.h>
#ifdef Q_WS_X11
# include <private/qfontengine_x11_p.h>
#endif
#include <QtGui/QFontDatabase>
#include <QtGui/QFont>
#include "khtml_settings.h"
#include <QtGui/QImage>
#include <assert.h>
#include <QtGui/qx11info_x11.h>
#include <QtGui/QPainter>
#include <fixx11h.h>
#include <QtGlobal>
#include <kdebug.h>
struct MetricsInfo {
const char* name;
int ascent;
int descent;
int leading;
};
typedef QFixed QtFontDim;
static int dimToInt(QtFontDim dim) {
return dim.toInt();
}
static const MetricsInfo compatMetrics[] = {
{"-Adobe-Courier-Medium-R-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Medium-O-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Bold-R-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Bold-O-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Medium-R-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Medium-O-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Bold-R-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Bold-O-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Medium-R-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Medium-O-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Bold-R-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Bold-O-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Medium-R-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Courier-Medium-O-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Courier-Bold-R-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Courier-Bold-O-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Helvetica-Medium-R-Normal--10-100-75-75-P-56-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Medium-O-Normal--10-100-75-75-P-57-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Bold-R-Normal--10-100-75-75-P-60-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Bold-O-Normal--10-100-75-75-P-60-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Medium-R-Normal--12-120-75-75-P-67-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Medium-O-Normal--12-120-75-75-P-67-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Bold-R-Normal--12-120-75-75-P-70-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Bold-O-Normal--12-120-75-75-P-69-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Medium-R-Normal--18-180-75-75-P-98-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Medium-O-Normal--18-180-75-75-P-98-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Bold-R-Normal--18-180-75-75-P-103-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Bold-O-Normal--18-180-75-75-P-104-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Medium-R-Normal--24-240-75-75-P-130-ISO10646-1", 22, 4, 4},
{"-Adobe-Helvetica-Medium-O-Normal--24-240-75-75-P-130-ISO10646-1", 22, 4, 4},
{"-Adobe-Helvetica-Bold-R-Normal--24-240-75-75-P-138-ISO10646-1", 22, 4, 4},
{"-Adobe-Helvetica-Bold-O-Normal--24-240-75-75-P-138-ISO10646-1", 22, 4, 4},
{"-Adobe-Courier-Medium-R-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Medium-O-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Bold-R-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Bold-O-Normal--10-100-75-75-M-60-ISO10646-1", 8, 1, 2},
{"-Adobe-Courier-Medium-R-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Medium-O-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Bold-R-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Bold-O-Normal--12-120-75-75-M-70-ISO10646-1", 10, 2, 2},
{"-Adobe-Courier-Medium-R-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Medium-O-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Bold-R-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Bold-O-Normal--18-180-75-75-M-110-ISO10646-1", 14, 3, 3},
{"-Adobe-Courier-Medium-R-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Courier-Medium-O-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Courier-Bold-R-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Courier-Bold-O-Normal--24-240-75-75-M-150-ISO10646-1", 19, 4, 4},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Times-Medium-R-Normal--8-80-75-75-P-44-ISO10646-1", 7, 1, 1},
{"-Adobe-Helvetica-Medium-R-Normal--10-100-75-75-P-56-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Medium-O-Normal--10-100-75-75-P-57-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Bold-R-Normal--10-100-75-75-P-60-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Bold-O-Normal--10-100-75-75-P-60-ISO10646-1", 10, 1, 2},
{"-Adobe-Helvetica-Medium-R-Normal--12-120-75-75-P-67-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Medium-O-Normal--12-120-75-75-P-67-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Bold-R-Normal--12-120-75-75-P-70-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Bold-O-Normal--12-120-75-75-P-69-ISO10646-1", 11, 2, 2},
{"-Adobe-Helvetica-Medium-R-Normal--18-180-75-75-P-98-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Medium-O-Normal--18-180-75-75-P-98-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Bold-R-Normal--18-180-75-75-P-103-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Bold-O-Normal--18-180-75-75-P-104-ISO10646-1", 16, 4, 3},
{"-Adobe-Helvetica-Medium-R-Normal--24-240-75-75-P-130-ISO10646-1", 22, 4, 4},
{"-Adobe-Helvetica-Medium-O-Normal--24-240-75-75-P-130-ISO10646-1", 22, 4, 4},
{"-Adobe-Helvetica-Bold-R-Normal--24-240-75-75-P-138-ISO10646-1", 22, 4, 4},
{"-Adobe-Helvetica-Bold-O-Normal--24-240-75-75-P-138-ISO10646-1", 22, 4, 4},
{0, 0, 0, 0}
};
static const MetricsInfo* grabMetrics(const QString &name)
{
for (int pos = 0; compatMetrics[pos].name; ++pos)
if (name == QLatin1String(compatMetrics[pos].name))
return &compatMetrics[pos];
return 0;
}
class QFakeFontEngine : public QFontEngineXLFD
{
public:
QString name;
QFakeFontEngine( XFontStruct *fs, const char *name, int size );
~QFakeFontEngine();
bool haveMetrics;
QtFontDim m_ascent, m_descent, m_leading;
bool ahem;
int pixS;
XFontStruct* xfs;
QtFontDim fallBackWidth() const {
QtFontDim fbw = xfs->min_bounds.width;
if (xfs->per_char) {
if (haveMetrics)
fbw = m_ascent; //### we really should get rid of these and regen..
else
fbw = xfs->ascent;
}
return fbw;
}
void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const
{
QFontEngineXLFD::recalcAdvances(glyphs, flags);
// Go through the glyhs with glyph 0 and fix up their x advance
// to make sense (or at least match Qt3)
QtFontDim fbw = fallBackWidth();
for (int c = 0; c < glyphs->numGlyphs; ++c) {
if (glyphs->glyphs[c] == 0x200B) // ZERO WIDTH SPACE
glyphs->advances_x[c] = 0;
else if (!glyphs->glyphs[c])
glyphs->advances_x[c] = fbw;
}
}
Type type() const
{
if (ahem) {
return QFontEngine::Freetype;
} else
return QFontEngine::XLFD;
}
QtFontDim ascent() const
{
if (haveMetrics)
return m_ascent;
else
return QFontEngineXLFD::ascent();
}
QtFontDim descent() const
{
if (haveMetrics)
return m_descent;
else
return QFontEngineXLFD::descent();
}
QtFontDim leading() const
{
if (ahem)
return 0;
else if (haveMetrics)
return m_leading;
else
return QFontEngineXLFD::leading();
}
bool canRender( const QChar *string, int len );
};
//OK. This is evil. Since we don't use Xft, we hijack the FreeType painting hook in the X11 engine
//for ahem, as unfortunately the drawing is in the paint engine, and not the font engine in Qt4
class KDE_EXPORT QX11PaintEngine: public QPaintEngine
{
void drawFreetype(const QPointF &p, const QTextItemInt &si);
};
void QX11PaintEngine::drawFreetype(const QPointF &p, const QTextItemInt &si)
{
int cnt = si.glyphs.numGlyphs;
if (!cnt) return;
QFakeFontEngine *eng = static_cast<QFakeFontEngine*>(si.fontEngine);
int x = int(p.x());
int y = int(p.y());
int pixS = int(eng->pixS);
int advance = pixS;
int ascent = dimToInt(eng->ascent());
int descent = dimToInt(eng->descent());
if (si.flags & QTextItem::RightToLeft)
{
x = x + advance * (cnt - 1);
advance = -advance;
}
for (int pos = 0; pos < cnt; ++pos)
{
QRect rect;
switch (si.chars[pos].unicode())
{
case ' ':
case 0x00A0: // NON-BREAKING SPACE
rect = QRect();
break;
case 0x200B: // ZERO WIDTH SPACE
continue;
case 'p':
//Below the baseline, including it
rect = QRect(x, y, pixS, descent + 1);
break;
case 0xC9:
//Above the baseline
rect = QRect(x, y - ascent, pixS, ascent);
break;
default:
//Whole block
rect = QRect(x, y - ascent, pixS, pixS);
}
QPainter* p = painter();
p->fillRect(rect, p->pen().color());
x += advance;
}
}
QFakeFontEngine::QFakeFontEngine( XFontStruct *fs, const char *name, int size )
: QFontEngineXLFD( fs, name, 0)
{
xfs = fs;
pixS = size;
this->name = QLatin1String(name);
ahem = this->name.contains("ahem");
const MetricsInfo* metrics = grabMetrics(name);
if (metrics)
{
haveMetrics = true;
m_ascent = metrics->ascent;
m_descent = metrics->descent;
m_leading = metrics->leading;
}
else
haveMetrics = false;
}
QFakeFontEngine::~QFakeFontEngine()
{
}
bool QFakeFontEngine::canRender( const QChar *, int )
{
return true;
}
static QString courier_pickxlfd( int pixelsize, bool italic, bool bold )
{
if ( pixelsize >= 24 )
pixelsize = 24;
else if ( pixelsize >= 18 )
pixelsize = 18;
else if ( pixelsize >= 12 )
pixelsize = 12;
else
pixelsize = 10;
return QString( "-adobe-courier-%1-%2-normal--%3-*-75-75-m-*-iso10646-1" ).arg( bold ? "bold" : "medium" ).arg( italic ? "o" : "r" ).arg( pixelsize );
}
static QString ahem_pickxlfd( int pixelsize )
{
return QString( "-misc-ahem-medium-r-normal--%1-*-100-100-c-*-iso10646-1" ).arg( pixelsize );
}
static QString helv_pickxlfd( int pixelsize, bool italic, bool bold )
{
if ( pixelsize >= 24 )
pixelsize = 24;
else if ( pixelsize >= 18 )
pixelsize = 18;
else if ( pixelsize >= 12 )
pixelsize = 12;
else
pixelsize = 10;
return QString( "-adobe-helvetica-%1-%2-normal--%3-*-75-75-p-*-iso10646-1" ).arg( bold ? "bold" : "medium" ).arg( italic ? "o" : "r" ).arg( pixelsize );
}
static QFontEngine* loadFont(const QFontDef& request)
{
QString xlfd;
QStringList flist = request.family.toLower().split(",");
foreach (QString family, flist) {
if (!KHTMLSettings::availableFamilies().contains( ","+ family + ",", Qt::CaseInsensitive ))
continue;
if ( family == "adobe courier" || family == "courier" || family == "fixed" ) {
xlfd = courier_pickxlfd( request.pixelSize, request.style == QFont::StyleItalic, request.weight > 50 );
} else if ( family == "times new roman" || family == "times" ) {
xlfd = "-adobe-times-medium-r-normal--8-80-75-75-p-44-iso10646-1";
} else if ( family == "ahem" ) {
xlfd = ahem_pickxlfd( request.pixelSize );
} else {
xlfd = helv_pickxlfd( request.pixelSize, request.style == QFont::StyleItalic, request.weight > 50 );
}
break;
}
if (xlfd.isEmpty()) {
xlfd = helv_pickxlfd( request.pixelSize, request.style == QFont::StyleItalic, request.weight > 50 );
}
QFontEngine *fe = 0;
XFontStruct *xfs;
xfs = XLoadQueryFont( QX11Info::display(), xlfd.toLatin1() );
if (!xfs) // as long as you don't do screenshots, it's maybe fine
qFatal("we need some fonts. So make sure you have %s installed.", qPrintable(xlfd));
unsigned long value;
if ( !XGetFontProperty( xfs, XA_FONT, &value ) )
return 0;
char *n = XGetAtomName( QX11Info::display(), value );
xlfd = n;
if ( n )
XFree( n );
fe = new QFakeFontEngine( xfs, xlfd.toLatin1(),request.pixelSize );
return fe;
}
KDE_EXPORT
QFontEngine *QFontDatabase::loadXlfd(int /* screen */, int /* script */,
const QFontDef &request, int /* force_encoding_id */)
{
return loadFont(request);
}
extern "C" KDE_EXPORT int FcInit() {
/* Make sure Qt uses the Xlfd path, which we intercept */
return 0;
}
KDE_EXPORT bool QFontDatabase::isBitmapScalable( const QString &,
const QString &) const
{
return true;
}
KDE_EXPORT bool QFontDatabase::isSmoothlyScalable( const QString &,
const QString &) const
{
return true;
}
const QString &KHTMLSettings::availableFamilies()
{
if ( !avFamilies ) {
avFamilies = new QString;
*avFamilies = ",Adobe Courier,Arial,Comic Sans MS,Courier,Helvetica,Times,Times New Roman,Utopia,Fixed,Ahem,";
}
return *avFamilies;
}
bool KHTMLSettings::unfinishedImageFrame() const
{
return false;
}
KDE_EXPORT int QX11Info::appDpiY( int )
{
return 100;
}
KDE_EXPORT int QX11Info::appDpiX( int )
{
return 100;
}
KDE_EXPORT void QFont::insertSubstitution(const QString &,
const QString &)
{
}
KDE_EXPORT void QFont::insertSubstitutions(const QString &,
const QStringList &)
{
}
#include <kprotocolinfo.h>
bool KProtocolInfo::isKnownProtocol( const QString& _protocol )
{
return ( _protocol == "file" );
}
#include <kprotocolinfofactory.h>
QString KProtocolInfo::exec( const QString& _protocol )
{
if ( _protocol != "file" )
return QString();
KProtocolInfo::Ptr prot = KProtocolInfoFactory::self()->findProtocol(_protocol);
if ( !prot )
return QString();
return prot->m_exec;
}
/*
#include <dcopclient.h>
bool DCOPClient::attach()
{
return false;
}
bool DCOPClient::isAttached() const
{
return false;
}
void DCOPClient::processSocketData( int )
{
}*/
#include <QtGui/QApplication>
#include <QtGui/QPalette>
#if 0
KDE_EXPORT void QApplication::setPalette( const QPalette &, bool ,
const char* )
{
static bool done = false;
if (done) return;
QString xlfd = AHEM;
XFontStruct *xfs;
xfs = XLoadQueryFont(QPaintDevice::x11AppDisplay(), xlfd.toLatin1().constData() );
if (!xfs) // as long as you don't do screenshots, it's maybe fine
qFatal("We will need some fonts. So make sure you have %s installed.", xlfd.toLatin1().constData());
XFreeFont(QPaintDevice::x11AppDisplay(), xfs);
done = true;
}
#endif
#include <kapplication.h>
// void KApplication::dcopFailure( const QString & )
// {
// qDebug( "KApplication::dcopFailure" );
// }
#include <kparts/historyprovider.h>
bool KParts::HistoryProvider::contains( const QString& t ) const
{
return ( t == "http://www.kde.org/" || t == "http://www.google.com/");
}
#include <ksslsettings.h>
bool KSSLSettings::warnOnEnter() const { return false; }
bool KSSLSettings::warnOnUnencrypted() const { return false; }
bool KSSLSettings::warnOnLeave() const { return false; }
#include <kparts/plugin.h>
KParts::Plugin* KParts::Plugin::loadPlugin( QObject * /* parent */, const char* /* libname */) { return 0; }
#include <klineedit.h>
void KLineEdit::setClearButtonShown(bool /*show*/)
{}