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2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtSvg module of the Qt Toolkit. |
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28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QSVGGRAPHICS_P_H |
43 | #define QSVGGRAPHICS_P_H |
44 | |
45 | // |
46 | // W A R N I N G |
47 | // ------------- |
48 | // |
49 | // This file is not part of the Qt API. It exists purely as an |
50 | // implementation detail. This header file may change from version to |
51 | // version without notice, or even be removed. |
52 | // |
53 | // We mean it. |
54 | // |
55 | |
56 | #include "qsvgnode_p.h" |
57 | |
58 | #ifndef QT_NO_SVG |
59 | |
60 | #include "QtGui/qpainterpath.h" |
61 | #include "QtGui/qimage.h" |
62 | #include "QtGui/qtextlayout.h" |
63 | #include "QtGui/qtextoption.h" |
64 | #include "QtCore/qstack.h" |
65 | |
66 | QT_BEGIN_NAMESPACE |
67 | |
68 | class QTextCharFormat; |
69 | |
70 | class QSvgAnimation : public QSvgNode |
71 | { |
72 | public: |
73 | virtual void (QPainter *p, QSvgExtraStates &states); |
74 | virtual Type type() const; |
75 | }; |
76 | |
77 | class QSvgArc : public QSvgNode |
78 | { |
79 | public: |
80 | QSvgArc(QSvgNode *parent, const QPainterPath &path); |
81 | virtual void (QPainter *p, QSvgExtraStates &states); |
82 | virtual Type type() const; |
83 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
84 | private: |
85 | QPainterPath m_path; |
86 | }; |
87 | |
88 | class QSvgEllipse : public QSvgNode |
89 | { |
90 | public: |
91 | QSvgEllipse(QSvgNode *parent, const QRectF &rect); |
92 | virtual void (QPainter *p, QSvgExtraStates &states); |
93 | virtual Type type() const; |
94 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
95 | private: |
96 | QRectF m_bounds; |
97 | }; |
98 | |
99 | class QSvgCircle : public QSvgEllipse |
100 | { |
101 | public: |
102 | QSvgCircle(QSvgNode *parent, const QRectF &rect) : QSvgEllipse(parent, rect) { } |
103 | virtual Type type() const; |
104 | }; |
105 | |
106 | class QSvgImage : public QSvgNode |
107 | { |
108 | public: |
109 | QSvgImage(QSvgNode *parent, const QImage &image, |
110 | const QRect &bounds); |
111 | virtual void (QPainter *p, QSvgExtraStates &states); |
112 | virtual Type type() const; |
113 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
114 | private: |
115 | QImage m_image; |
116 | QRect m_bounds; |
117 | }; |
118 | |
119 | class QSvgLine : public QSvgNode |
120 | { |
121 | public: |
122 | QSvgLine(QSvgNode *parent, const QLineF &line); |
123 | virtual void (QPainter *p, QSvgExtraStates &states); |
124 | virtual Type type() const; |
125 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
126 | private: |
127 | QLineF m_line; |
128 | }; |
129 | |
130 | class QSvgPath : public QSvgNode |
131 | { |
132 | public: |
133 | QSvgPath(QSvgNode *parent, const QPainterPath &qpath); |
134 | virtual void (QPainter *p, QSvgExtraStates &states); |
135 | virtual Type type() const; |
136 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
137 | |
138 | QPainterPath *qpath() { |
139 | return &m_path; |
140 | } |
141 | private: |
142 | QPainterPath m_path; |
143 | }; |
144 | |
145 | class QSvgPolygon : public QSvgNode |
146 | { |
147 | public: |
148 | QSvgPolygon(QSvgNode *parent, const QPolygonF &poly); |
149 | virtual void (QPainter *p, QSvgExtraStates &states); |
150 | virtual Type type() const; |
151 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
152 | private: |
153 | QPolygonF m_poly; |
154 | }; |
155 | |
156 | class QSvgPolyline : public QSvgNode |
157 | { |
158 | public: |
159 | QSvgPolyline(QSvgNode *parent, const QPolygonF &poly); |
160 | virtual void (QPainter *p, QSvgExtraStates &states); |
161 | virtual Type type() const; |
162 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
163 | private: |
164 | QPolygonF m_poly; |
165 | }; |
166 | |
167 | class QSvgRect : public QSvgNode |
168 | { |
169 | public: |
170 | QSvgRect(QSvgNode *paren, const QRectF &rect, int rx=0, int ry=0); |
171 | virtual Type type() const; |
172 | virtual void (QPainter *p, QSvgExtraStates &states); |
173 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
174 | private: |
175 | QRectF m_rect; |
176 | int m_rx, m_ry; |
177 | }; |
178 | |
179 | class QSvgTspan; |
180 | |
181 | class QSvgText : public QSvgNode |
182 | { |
183 | public: |
184 | enum WhitespaceMode |
185 | { |
186 | Default, |
187 | Preserve |
188 | }; |
189 | |
190 | QSvgText(QSvgNode *parent, const QPointF &coord); |
191 | ~QSvgText(); |
192 | void setTextArea(const QSizeF &size); |
193 | |
194 | virtual void (QPainter *p, QSvgExtraStates &states); |
195 | virtual Type type() const; |
196 | |
197 | void addTspan(QSvgTspan *tspan) {m_tspans.append(tspan);} |
198 | void addText(const QString &text); |
199 | void addLineBreak() {m_tspans.append(LINEBREAK);} |
200 | void setWhitespaceMode(WhitespaceMode mode) {m_mode = mode;} |
201 | |
202 | //virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const; |
203 | private: |
204 | static QSvgTspan * const LINEBREAK; |
205 | |
206 | QPointF m_coord; |
207 | |
208 | // 'm_tspans' is also used to store characters outside tspans and line breaks. |
209 | // If a 'm_tspan' item is null, it indicates a line break. |
210 | QVector<QSvgTspan *> m_tspans; |
211 | |
212 | Type m_type; |
213 | QSizeF m_size; |
214 | WhitespaceMode m_mode; |
215 | }; |
216 | |
217 | class QSvgTspan : public QSvgNode |
218 | { |
219 | public: |
220 | // tspans are also used to store normal text, so the 'isProperTspan' is used to separate text from tspan. |
221 | QSvgTspan(QSvgNode *parent, bool isProperTspan = true) |
222 | : QSvgNode(parent), m_mode(QSvgText::Default), m_isTspan(isProperTspan) |
223 | { |
224 | } |
225 | ~QSvgTspan() { }; |
226 | virtual Type type() const {return TSPAN;} |
227 | virtual void (QPainter *, QSvgExtraStates &) {Q_ASSERT(!"Tspans should be drawn through QSvgText::draw()." );} |
228 | void addText(const QString &text) {m_text += text;} |
229 | const QString &text() const {return m_text;} |
230 | bool isTspan() const {return m_isTspan;} |
231 | void setWhitespaceMode(QSvgText::WhitespaceMode mode) {m_mode = mode;} |
232 | QSvgText::WhitespaceMode whitespaceMode() const {return m_mode;} |
233 | private: |
234 | QString m_text; |
235 | QSvgText::WhitespaceMode m_mode; |
236 | bool m_isTspan; |
237 | }; |
238 | |
239 | class QSvgUse : public QSvgNode |
240 | { |
241 | public: |
242 | QSvgUse(const QPointF &start, QSvgNode *parent, QSvgNode *link); |
243 | virtual void (QPainter *p, QSvgExtraStates &states); |
244 | virtual Type type() const; |
245 | virtual QRectF (QPainter *p, QSvgExtraStates &states) const; |
246 | |
247 | private: |
248 | QSvgNode *m_link; |
249 | QPointF m_start; |
250 | }; |
251 | |
252 | class QSvgVideo : public QSvgNode |
253 | { |
254 | public: |
255 | virtual void (QPainter *p, QSvgExtraStates &states); |
256 | virtual Type type() const; |
257 | }; |
258 | |
259 | QT_END_NAMESPACE |
260 | |
261 | #endif // QT_NO_SVG |
262 | #endif // QSVGGRAPHICS_P_H |
263 | |