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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
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| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
| commit | d796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch) | |
| tree | 6e3dcca4f77e20ec8966c666aac7c35bd4704053 /doc/html/qfontmanager_qws-h.html | |
| download | tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip | |
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'doc/html/qfontmanager_qws-h.html')
| -rw-r--r-- | doc/html/qfontmanager_qws-h.html | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/doc/html/qfontmanager_qws-h.html b/doc/html/qfontmanager_qws-h.html new file mode 100644 index 000000000..0b102e674 --- /dev/null +++ b/doc/html/qfontmanager_qws-h.html @@ -0,0 +1,296 @@ +<!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> |