You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
297 lines
7.8 KiB
297 lines
7.8 KiB
13 years ago
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
||
|
|
<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/include/qfontmanager_qws.h:1 -->
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
||
|
|
<title>qfontmanager_qws.h Include File</title>
|
||
|
|
<style type="text/css"><!--
|
||
|
|
fn { margin-left: 1cm; text-indent: -1cm; }
|
||
|
|
a:link { color: #004faf; text-decoration: none }
|
||
|
|
a:visited { color: #672967; text-decoration: none }
|
||
|
|
body { background: #ffffff; color: black; }
|
||
|
|
--></style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
|
||
|
|
<table border="0" cellpadding="0" cellspacing="0" width="100%">
|
||
|
|
<tr bgcolor="#E5E5E5">
|
||
|
|
<td valign=center>
|
||
|
|
<a href="index.html">
|
||
|
|
<font color="#004faf">Home</font></a>
|
||
|
|
| <a href="classes.html">
|
||
|
|
<font color="#004faf">All Classes</font></a>
|
||
|
|
| <a href="mainclasses.html">
|
||
|
|
<font color="#004faf">Main Classes</font></a>
|
||
|
|
| <a href="annotated.html">
|
||
|
|
<font color="#004faf">Annotated</font></a>
|
||
|
|
| <a href="groups.html">
|
||
|
|
<font color="#004faf">Grouped Classes</font></a>
|
||
|
|
| <a href="functions.html">
|
||
|
|
<font color="#004faf">Functions</font></a>
|
||
|
|
</td>
|
||
|
|
<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qfontmanager_qws.h</h1>
|
||
|
|
|
||
|
|
<p>This is the verbatim text of the qfontmanager_qws.h include file. It is provided only for illustration; the copyright remains with Trolltech.
|
||
|
|
<hr>
|
||
|
|
<pre>
|
||
|
|
/****************************************************************************
|
||
|
|
** $Id: qt/qfontmanager_qws.h 3.3.8 edited Jan 11 14:38 $
|
||
|
|
**
|
||
|
|
** Definition of font rendering infrastructure for Embedded TQt
|
||
|
|
**
|
||
|
|
** Created : 940721
|
||
|
|
**
|
||
|
|
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
|
||
|
|
**
|
||
|
|
** This file is part of the kernel module of the TQt GUI Toolkit.
|
||
|
|
**
|
||
|
|
** This file may be used under the terms of the GNU General Public
|
||
|
|
** License versions 2.0 or 3.0 as published by the Free Software
|
||
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
||
|
|
** packaging of this file. Alternatively you may (at your option) use any
|
||
|
|
** later version of the GNU General Public License if such license has
|
||
|
|
** been publicly approved by Trolltech ASA (or its successors, if any)
|
||
|
|
** and the KDE Free TQt Foundation.
|
||
|
|
**
|
||
|
|
** Please review the following information to ensure GNU General
|
||
|
|
** Public Licensing retquirements will be met:
|
||
|
|
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
|
||
|
|
** If you are unsure which license is appropriate for your use, please
|
||
|
|
** review the following information:
|
||
|
|
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
|
||
|
|
** or contact the sales department at sales@trolltech.com.
|
||
|
|
**
|
||
|
|
** Licensees holding valid TQt Commercial licenses may use this file in
|
||
|
|
** accordance with the TQt Commercial License Agreement provided with
|
||
|
|
** the Software.
|
||
|
|
**
|
||
|
|
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
|
||
|
|
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
|
||
|
|
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
|
||
|
|
** herein.
|
||
|
|
**
|
||
|
|
**********************************************************************/
|
||
|
|
|
||
|
|
#ifndef TQFONTMANAGER_QWS_H
|
||
|
|
#define TQFONTMANAGER_QWS_H
|
||
|
|
|
||
|
|
#ifndef QT_H
|
||
|
|
#include "qfont.h"
|
||
|
|
#include "qptrlist.h"
|
||
|
|
#include <private/qtextengine_p.h>
|
||
|
|
#endif // QT_H
|
||
|
|
|
||
|
|
// These are stored in the shared memory segment in front of their
|
||
|
|
// data, and indexed at the start of the segment
|
||
|
|
|
||
|
|
// This needs to be a multiple of 64 bits
|
||
|
|
|
||
|
|
class TQFontDef;
|
||
|
|
|
||
|
|
class Q_PACKED TQGlyphMetrics {
|
||
|
|
|
||
|
|
public:
|
||
|
|
Q_UINT8 linestep;
|
||
|
|
Q_UINT8 width;
|
||
|
|
Q_UINT8 height;
|
||
|
|
Q_UINT8 flags;
|
||
|
|
|
||
|
|
Q_INT8 bearingx; // Difference from pen position to glyph's left bbox
|
||
|
|
Q_UINT8 advance; // Difference between pen positions
|
||
|
|
Q_INT8 bearingy; // Used for putting characters on baseline
|
||
|
|
|
||
|
|
Q_INT8 reserved; // Do not use
|
||
|
|
|
||
|
|
// Flags:
|
||
|
|
// RendererOwnsData - the renderer is responsible for glyph data
|
||
|
|
// memory deletion otherwise TQGlyphTree must
|
||
|
|
// delete [] the data when the glyph is deleted.
|
||
|
|
enum Flags { RendererOwnsData=0x01 };
|
||
|
|
};
|
||
|
|
|
||
|
|
class TQGlyph {
|
||
|
|
public:
|
||
|
|
TQGlyph() { metrics=0; data=0; }
|
||
|
|
TQGlyph(TQGlyphMetrics* m, uchar* d) :
|
||
|
|
metrics(m), data(d) { }
|
||
|
|
~TQGlyph() {}
|
||
|
|
|
||
|
|
TQGlyphMetrics* metrics;
|
||
|
|
uchar* data;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
class TQFontFactory;
|
||
|
|
class TQDiskFont;
|
||
|
|
|
||
|
|
// This is a particular font instance at a particular resolution
|
||
|
|
// e.g. Truetype Times, 10 point. There's only one of these though;
|
||
|
|
// we want to share generated glyphs
|
||
|
|
|
||
|
|
class TQRenderedFont {
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
// Normal font-type is monochrome; glyph data is a
|
||
|
|
// bitmap, which doesn't use much memory
|
||
|
|
|
||
|
|
// Initialise for name A, renderer B, font type C, D glyphs
|
||
|
|
|
||
|
|
TQRenderedFont(TQDiskFont *,const TQFontDef&);
|
||
|
|
virtual ~TQRenderedFont();
|
||
|
|
|
||
|
|
TQFontDef fontDef() const;
|
||
|
|
|
||
|
|
int refcount;
|
||
|
|
|
||
|
|
int ptsize;
|
||
|
|
|
||
|
|
bool italic;
|
||
|
|
unsigned int weight;
|
||
|
|
|
||
|
|
void ref() { refcount++; }
|
||
|
|
bool deref() { refcount--; return refcount==0; }
|
||
|
|
|
||
|
|
bool match(const TQFontDef &);
|
||
|
|
|
||
|
|
TQDiskFont* diskfont;
|
||
|
|
int fascent,fdescent;
|
||
|
|
int fleftbearing,frightbearing;
|
||
|
|
int fmaxwidth;
|
||
|
|
int fleading;
|
||
|
|
int funderlinepos;
|
||
|
|
int funderlinewidth;
|
||
|
|
bool smooth;
|
||
|
|
int maxchar;
|
||
|
|
|
||
|
|
int ascent() { return fascent; }
|
||
|
|
int descent() { return fdescent; }
|
||
|
|
int width(int);
|
||
|
|
int width( const TQString&, int =-1 );
|
||
|
|
int leftBearing(int);
|
||
|
|
int rightBearing(int);
|
||
|
|
|
||
|
|
// Calling any of these can trigger a full-font metrics check
|
||
|
|
// which can be expensive
|
||
|
|
int minLeftBearing();
|
||
|
|
int minRightBearing();
|
||
|
|
int maxWidth();
|
||
|
|
|
||
|
|
virtual bool inFont(glyph_t g) const=0;
|
||
|
|
virtual TQGlyph render(glyph_t g)=0;
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
// Keeps track of available renderers and which font is which
|
||
|
|
|
||
|
|
class TQDiskFontPrivate {};
|
||
|
|
|
||
|
|
class TQDiskFont {
|
||
|
|
|
||
|
|
public:
|
||
|
|
TQDiskFont(TQFontFactory *f, const TQString& n, bool i, int w, int s,
|
||
|
|
const TQString &fl, const TQString& fi) :
|
||
|
|
factory(f), name(n), italic(i), weight(w), size(s), flags(fl), file(fi)
|
||
|
|
{
|
||
|
|
loaded=FALSE;
|
||
|
|
p=0;
|
||
|
|
}
|
||
|
|
|
||
|
|
TQRenderedFont* load(const TQFontDef &);
|
||
|
|
|
||
|
|
TQFontDef fontDef() const;
|
||
|
|
|
||
|
|
TQFontFactory *factory;
|
||
|
|
TQString name;
|
||
|
|
bool italic;
|
||
|
|
int weight;
|
||
|
|
int size;
|
||
|
|
TQString flags;
|
||
|
|
TQString file;
|
||
|
|
bool loaded;
|
||
|
|
|
||
|
|
TQDiskFontPrivate * p;
|
||
|
|
};
|
||
|
|
|
||
|
|
class TQCachePolicy {
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
virtual void cache(TQRenderedFont *)=0;
|
||
|
|
virtual void uncache(TQRenderedFont *)=0;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
// Exposed here so the default policy can be reset
|
||
|
|
|
||
|
|
class TQDefaultCachePolicy : public TQCachePolicy {
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
virtual void cache(TQRenderedFont *);
|
||
|
|
virtual void uncache(TQRenderedFont *);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
class TQFontManager {
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
TQPtrList<TQFontFactory> factories;
|
||
|
|
TQPtrList<TQRenderedFont> cachedfonts;
|
||
|
|
TQPtrList<TQDiskFont> diskfonts;
|
||
|
|
|
||
|
|
TQFontManager();
|
||
|
|
~TQFontManager();
|
||
|
|
|
||
|
|
// Font definition, type and color
|
||
|
|
TQDiskFont * get(const TQFontDef &);
|
||
|
|
|
||
|
|
static int cmpFontDef(const TQFontDef & goal, const TQFontDef & choice);
|
||
|
|
|
||
|
|
static void initialize();
|
||
|
|
static void cleanup();
|
||
|
|
|
||
|
|
void setPolicy(TQCachePolicy *);
|
||
|
|
|
||
|
|
void cache(TQRenderedFont * f) { policy->cache(f); }
|
||
|
|
void uncache(TQRenderedFont * f) { policy->uncache(f); }
|
||
|
|
TQRenderedFont * getCached(const TQFontDef &);
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
TQCachePolicy * policy;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
class TQFontFactory {
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
TQFontFactory() {}
|
||
|
|
virtual ~TQFontFactory() {}
|
||
|
|
|
||
|
|
virtual TQRenderedFont * get(const TQFontDef &,TQDiskFont *)=0;
|
||
|
|
virtual void load(TQDiskFont *) const=0;
|
||
|
|
virtual void unload(TQDiskFont *) {}
|
||
|
|
virtual TQString name()=0;
|
||
|
|
};
|
||
|
|
|
||
|
|
void qt_init_fonts();
|
||
|
|
|
||
|
|
extern TQFontManager * qt_fontmanager;
|
||
|
|
|
||
|
|
#endif
|
||
|
|
</pre>
|
||
|
|
<!-- eof -->
|
||
|
|
<p><address><hr><div align=center>
|
||
|
|
<table width=100% cellspacing=0 border=0><tr>
|
||
|
|
<td>Copyright © 2007
|
||
|
|
<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
|
||
|
|
<td align=right><div align=right>TQt 3.3.8</div>
|
||
|
|
</table></div></address></body>
|
||
|
|
</html>
|