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1 | /**************************************************************************** | ||
2 | ** $Id$ | ||
3 | ** | ||
4 | ** Definition of the QSvgDevice class | ||
5 | ** | ||
6 | ** Created : 20001024 | ||
7 | ** | ||
8 | ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. | ||
9 | ** | ||
10 | ** This file is part of the xml module of the Qt GUI Toolkit. | ||
11 | ** | ||
12 | ** This file may be distributed under the terms of the Q Public License | ||
13 | ** as defined by Trolltech AS of Norway and appearing in the file | ||
14 | ** LICENSE.QPL included in the packaging of this file. | ||
15 | ** | ||
16 | ** This file may be distributed and/or modified under the terms of the | ||
17 | ** GNU General Public License version 2 as published by the Free Software | ||
18 | ** Foundation and appearing in the file LICENSE.GPL included in the | ||
19 | ** packaging of this file. | ||
20 | ** | ||
21 | ** Licensees holding valid Qt Enterprise Edition licenses may use this | ||
22 | ** file in accordance with the Qt Commercial License Agreement provided | ||
23 | ** with the Software. | ||
24 | ** | ||
25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | ||
26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | ||
27 | ** | ||
28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for | ||
29 | ** information about Qt Commercial License Agreements. | ||
30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information. | ||
31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information. | ||
32 | ** | ||
33 | ** Contact info@trolltech.com if any conditions of this licensing are | ||
34 | ** not clear to you. | ||
35 | ** | ||
36 | *****************************************************************************/ | ||
37 | |||
38 | #ifndef QSVGDEVICE_H | ||
39 | #define QSVGDEVICE_H | ||
40 | |||
41 | // | ||
42 | // W A R N I N G | ||
43 | // ------------- | ||
44 | // | ||
45 | // This file is not part of the Qt API. It exists for the convenience | ||
46 | // of the QPicture class. This header file may change from | ||
47 | // version to version without notice, or even be removed. | ||
48 | // | ||
49 | // We mean it. | ||
50 | // | ||
51 | // | ||
52 | |||
53 | #ifndef QT_H | ||
54 | #include "qpaintdevice.h" | ||
55 | #include "qrect.h" | ||
56 | #include "qdom.h" | ||
57 | #endif // QT_H | ||
58 | |||
59 | #if !defined(QT_MODULE_XML) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_XML ) | ||
60 | #define QM_EXPORT_SVG | ||
61 | #else | ||
62 | #define QM_EXPORT_SVG Q_EXPORT | ||
63 | #endif | ||
64 | |||
65 | #ifndef QT_NO_SVG | ||
66 | |||
67 | class QPainter; | ||
68 | class QDomNode; | ||
69 | class QDomNamedNodeMap; | ||
70 | struct QSvgDeviceState; | ||
71 | class QSvgDevicePrivate; | ||
72 | |||
73 | class QM_EXPORT_SVG QSvgDevice : public QPaintDevice | ||
74 | { | ||
75 | public: | ||
76 | QSvgDevice(); | ||
77 | ~QSvgDevice(); | ||
78 | |||
79 | bool play( QPainter *p ); | ||
80 | |||
81 | QString toString() const; | ||
82 | |||
83 | bool load( QIODevice *dev ); | ||
84 | bool save( QIODevice *dev ); | ||
85 | bool save( const QString &fileName ); | ||
86 | |||
87 | QRect boundingRect() const; | ||
88 | void setBoundingRect( const QRect &r ); | ||
89 | |||
90 | protected: | ||
91 | virtual bool cmd ( int, QPainter*, QPDevCmdParam* ); | ||
92 | virtual int metric( int ) const; | ||
93 | |||
94 | private: | ||
95 | // reading | ||
96 | bool play( const QDomNode &node ); | ||
97 | void saveAttributes(); | ||
98 | void restoreAttributes(); | ||
99 | QColor parseColor( const QString &col ); | ||
100 | double parseLen( const QString &str, bool *ok=0, bool horiz=TRUE ) const; | ||
101 | int lenToInt( const QDomNamedNodeMap &map, const QString &attr, | ||
102 | int def=0 ) const; | ||
103 | void setStyleProperty( const QString &prop, const QString &val, | ||
104 | QPen *pen, QFont *font, int *talign ); | ||
105 | void setStyle( const QString &s ); | ||
106 | void setTransform( const QString &tr ); | ||
107 | void drawPath( const QString &data ); | ||
108 | |||
109 | // writing | ||
110 | void applyStyle( QDomElement *e, int c ) const; | ||
111 | void applyTransform( QDomElement *e ) const; | ||
112 | |||
113 | // reading | ||
114 | QRect brect; // bounding rectangle | ||
115 | QDomDocument doc; // document tree | ||
116 | QDomNode current; | ||
117 | QPoint curPt; | ||
118 | QSvgDeviceState *curr; | ||
119 | QPainter *pt; // used by play() et al | ||
120 | |||
121 | // writing | ||
122 | bool dirtyTransform, dirtyStyle; | ||
123 | |||
124 | QSvgDevicePrivate *d; | ||
125 | }; | ||
126 | |||
127 | inline QRect QSvgDevice::boundingRect() const | ||
128 | { | ||
129 | return brect; | ||
130 | } | ||
131 | |||
132 | #endif // QT_NO_SVG | ||
133 | |||
134 | #endif // QSVGDEVICE_H | ||