1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QSVGNODE_P_H
5#define QSVGNODE_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include "qsvgstyle_p.h"
19#include "qtsvgglobal_p.h"
20#include "qsvghelper_p.h"
21
22#include "QtCore/qstring.h"
23#include "QtCore/qhash.h"
24
25QT_BEGIN_NAMESPACE
26
27class QPainter;
28class QSvgTinyDocument;
29
30class Q_SVG_EXPORT QSvgNode
31{
32public:
33 enum Type
34 {
35 Doc,
36 Group,
37 Defs,
38 Switch,
39 AnimateColor,
40 AnimateTransform,
41 Circle,
42 Ellipse,
43 Image,
44 Line,
45 Path,
46 Polygon,
47 Polyline,
48 Rect,
49 Text,
50 Textarea,
51 Tspan,
52 Use,
53 Video,
54 Mask,
55 Symbol,
56 Marker,
57 Pattern,
58 Filter,
59 FeMerge,
60 FeMergenode,
61 FeColormatrix,
62 FeGaussianblur,
63 FeOffset,
64 FeComposite,
65 FeFlood,
66 FeBlend,
67 FeUnsupported
68 };
69 enum DisplayMode {
70 InlineMode,
71 BlockMode,
72 ListItemMode,
73 RunInMode,
74 CompactMode,
75 MarkerMode,
76 TableMode,
77 InlineTableMode,
78 TableRowGroupMode,
79 TableHeaderGroupMode,
80 TableFooterGroupMode,
81 TableRowMode,
82 TableColumnGroupMode,
83 TableColumnMode,
84 TableCellMode,
85 TableCaptionMode,
86 NoneMode,
87 InheritMode
88 };
89
90public:
91 QSvgNode(QSvgNode *parent=0);
92 virtual ~QSvgNode();
93 void draw(QPainter *p, QSvgExtraStates &states);
94 virtual bool separateFillStroke() const {return false;}
95 virtual void drawCommand(QPainter *p, QSvgExtraStates &states) = 0;
96 void fillThenStroke(QPainter *p, QSvgExtraStates &states);
97 QImage drawIntoBuffer(QPainter *p, QSvgExtraStates &states, const QRect &boundsRect);
98 void applyMaskToBuffer(QImage *proxy, QImage mask) const;
99 void drawWithMask(QPainter *p, QSvgExtraStates &states, const QImage &mask, const QRect &boundsRect);
100 void applyBufferToCanvas(QPainter *p, QImage proxy) const;
101
102 QSvgNode *parent() const;
103 bool isDescendantOf(const QSvgNode *parent) const;
104
105 void appendStyleProperty(QSvgStyleProperty *prop, const QString &id);
106 void applyStyle(QPainter *p, QSvgExtraStates &states) const;
107 void applyStyleRecursive(QPainter *p, QSvgExtraStates &states) const;
108 void revertStyle(QPainter *p, QSvgExtraStates &states) const;
109 void revertStyleRecursive(QPainter *p, QSvgExtraStates &states) const;
110 void applyAnimatedStyle(QPainter *p, QSvgExtraStates &states) const;
111 void revertAnimatedStyle(QPainter *p, QSvgExtraStates &states) const;
112 QSvgStyleProperty *styleProperty(QSvgStyleProperty::Type type) const;
113 QSvgPaintStyleProperty *styleProperty(QStringView id) const;
114
115 QSvgTinyDocument *document() const;
116
117 virtual Type type() const = 0;
118 QString typeName() const;
119 virtual QRectF internalFastBounds(QPainter *p, QSvgExtraStates &states) const;
120 virtual QRectF internalBounds(QPainter *p, QSvgExtraStates &states) const;
121 QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
122 QRectF bounds() const;
123 virtual QRectF decoratedInternalBounds(QPainter *p, QSvgExtraStates &states) const;
124 virtual QRectF decoratedBounds(QPainter *p, QSvgExtraStates &states) const;
125
126 void setRequiredFeatures(const QStringList &lst);
127 const QStringList & requiredFeatures() const;
128
129 void setRequiredExtensions(const QStringList &lst);
130 const QStringList & requiredExtensions() const;
131
132 void setRequiredLanguages(const QStringList &lst);
133 const QStringList & requiredLanguages() const;
134
135 void setRequiredFormats(const QStringList &lst);
136 const QStringList & requiredFormats() const;
137
138 void setRequiredFonts(const QStringList &lst);
139 const QStringList & requiredFonts() const;
140
141 void setVisible(bool visible);
142 bool isVisible() const;
143
144 void setDisplayMode(DisplayMode display);
145 DisplayMode displayMode() const;
146
147 QString nodeId() const;
148 void setNodeId(const QString &i);
149
150 QString xmlClass() const;
151 void setXmlClass(const QString &str);
152
153 QString maskId() const;
154 void setMaskId(const QString &str);
155 bool hasMask() const;
156
157 QString filterId() const;
158 void setFilterId(const QString &str);
159 bool hasFilter() const;
160
161 QString markerStartId() const;
162 void setMarkerStartId(const QString &str);
163 bool hasMarkerStart() const;
164
165 QString markerMidId() const;
166 void setMarkerMidId(const QString &str);
167 bool hasMarkerMid() const;
168
169 QString markerEndId() const;
170 void setMarkerEndId(const QString &str);
171 bool hasMarkerEnd() const;
172
173 bool hasAnyMarker() const;
174
175 virtual bool requiresGroupRendering() const;
176
177 virtual bool shouldDrawNode(QPainter *p, QSvgExtraStates &states) const;
178 const QSvgStaticStyle &style() const { return m_style; }
179protected:
180 mutable QSvgStaticStyle m_style;
181 mutable QSvgAnimatedStyle m_animatedStyle;
182
183 QRectF filterRegion(QRectF bounds) const;
184
185 static qreal strokeWidth(QPainter *p);
186 static void initPainter(QPainter *p);
187
188 enum BoundsMode {
189 Simplistic,
190 IncludeMiterLimit
191 };
192 static QRectF boundsOnStroke(QPainter *p, const QPainterPath &path,
193 qreal width, BoundsMode mode);
194
195private:
196 QSvgNode *m_parent;
197
198 QStringList m_requiredFeatures;
199 QStringList m_requiredExtensions;
200 QStringList m_requiredLanguages;
201 QStringList m_requiredFormats;
202 QStringList m_requiredFonts;
203
204 QString m_id;
205 QString m_class;
206 QString m_maskId;
207 QString m_filterId;
208 QString m_markerStartId;
209 QString m_markerMidId;
210 QString m_markerEndId;
211
212 mutable QRectF m_cachedBounds;
213 DisplayMode m_displayMode;
214 bool m_visible;
215
216 friend class QSvgTinyDocument;
217};
218
219inline QSvgNode *QSvgNode::parent() const
220{
221 return m_parent;
222}
223
224inline bool QSvgNode::isVisible() const
225{
226 return m_visible;
227}
228
229inline QString QSvgNode::nodeId() const
230{
231 return m_id;
232}
233
234inline QString QSvgNode::xmlClass() const
235{
236 return m_class;
237}
238
239QT_END_NAMESPACE
240
241#endif // QSVGNODE_P_H
242

source code of qtsvg/src/svg/qsvgnode_p.h