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3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
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6** This file is part of the QtSvg module of the Qt Toolkit.
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29** GNU General Public License Usage
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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
66QT_BEGIN_NAMESPACE
67
68class QTextCharFormat;
69
70class QSvgAnimation : public QSvgNode
71{
72public:
73 virtual void draw(QPainter *p, QSvgExtraStates &states);
74 virtual Type type() const;
75};
76
77class QSvgArc : public QSvgNode
78{
79public:
80 QSvgArc(QSvgNode *parent, const QPainterPath &path);
81 virtual void draw(QPainter *p, QSvgExtraStates &states);
82 virtual Type type() const;
83 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
84private:
85 QPainterPath m_path;
86};
87
88class QSvgEllipse : public QSvgNode
89{
90public:
91 QSvgEllipse(QSvgNode *parent, const QRectF &rect);
92 virtual void draw(QPainter *p, QSvgExtraStates &states);
93 virtual Type type() const;
94 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
95private:
96 QRectF m_bounds;
97};
98
99class QSvgCircle : public QSvgEllipse
100{
101public:
102 QSvgCircle(QSvgNode *parent, const QRectF &rect) : QSvgEllipse(parent, rect) { }
103 virtual Type type() const;
104};
105
106class QSvgImage : public QSvgNode
107{
108public:
109 QSvgImage(QSvgNode *parent, const QImage &image,
110 const QRect &bounds);
111 virtual void draw(QPainter *p, QSvgExtraStates &states);
112 virtual Type type() const;
113 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
114private:
115 QImage m_image;
116 QRect m_bounds;
117};
118
119class QSvgLine : public QSvgNode
120{
121public:
122 QSvgLine(QSvgNode *parent, const QLineF &line);
123 virtual void draw(QPainter *p, QSvgExtraStates &states);
124 virtual Type type() const;
125 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
126private:
127 QLineF m_line;
128};
129
130class QSvgPath : public QSvgNode
131{
132public:
133 QSvgPath(QSvgNode *parent, const QPainterPath &qpath);
134 virtual void draw(QPainter *p, QSvgExtraStates &states);
135 virtual Type type() const;
136 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
137
138 QPainterPath *qpath() {
139 return &m_path;
140 }
141private:
142 QPainterPath m_path;
143};
144
145class QSvgPolygon : public QSvgNode
146{
147public:
148 QSvgPolygon(QSvgNode *parent, const QPolygonF &poly);
149 virtual void draw(QPainter *p, QSvgExtraStates &states);
150 virtual Type type() const;
151 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
152private:
153 QPolygonF m_poly;
154};
155
156class QSvgPolyline : public QSvgNode
157{
158public:
159 QSvgPolyline(QSvgNode *parent, const QPolygonF &poly);
160 virtual void draw(QPainter *p, QSvgExtraStates &states);
161 virtual Type type() const;
162 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
163private:
164 QPolygonF m_poly;
165};
166
167class QSvgRect : public QSvgNode
168{
169public:
170 QSvgRect(QSvgNode *paren, const QRectF &rect, int rx=0, int ry=0);
171 virtual Type type() const;
172 virtual void draw(QPainter *p, QSvgExtraStates &states);
173 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
174private:
175 QRectF m_rect;
176 int m_rx, m_ry;
177};
178
179class QSvgTspan;
180
181class QSvgText : public QSvgNode
182{
183public:
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 draw(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;
203private:
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
217class QSvgTspan : public QSvgNode
218{
219public:
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 draw(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;}
233private:
234 QString m_text;
235 QSvgText::WhitespaceMode m_mode;
236 bool m_isTspan;
237};
238
239class QSvgUse : public QSvgNode
240{
241public:
242 QSvgUse(const QPointF &start, QSvgNode *parent, QSvgNode *link);
243 virtual void draw(QPainter *p, QSvgExtraStates &states);
244 virtual Type type() const;
245 virtual QRectF bounds(QPainter *p, QSvgExtraStates &states) const;
246
247private:
248 QSvgNode *m_link;
249 QPointF m_start;
250};
251
252class QSvgVideo : public QSvgNode
253{
254public:
255 virtual void draw(QPainter *p, QSvgExtraStates &states);
256 virtual Type type() const;
257};
258
259QT_END_NAMESPACE
260
261#endif // QT_NO_SVG
262#endif // QSVGGRAPHICS_P_H
263