| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt SVG module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** |
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| ** Alternatively, this file may be used under the terms of the GNU |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| #ifndef QSVGGRAPHICS_P_H |
| #define QSVGGRAPHICS_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qsvgnode_p.h" |
| #include "qtsvgglobal_p.h" |
| |
| #include "QtGui/qpainterpath.h" |
| #include "QtGui/qimage.h" |
| #include "QtGui/qtextlayout.h" |
| #include "QtGui/qtextoption.h" |
| #include "QtCore/qstack.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QTextCharFormat; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgAnimation : public QSvgNode |
| { |
| public: |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgArc : public QSvgNode |
| { |
| public: |
| QSvgArc(QSvgNode *parent, const QPainterPath &path); |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| QPainterPath m_path; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgEllipse : public QSvgNode |
| { |
| public: |
| QSvgEllipse(QSvgNode *parent, const QRectF &rect); |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| QRectF m_bounds; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgCircle : public QSvgEllipse |
| { |
| public: |
| QSvgCircle(QSvgNode *parent, const QRectF &rect) : QSvgEllipse(parent, rect) { } |
| Type type() const override; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgImage : public QSvgNode |
| { |
| public: |
| QSvgImage(QSvgNode *parent, const QImage &image, |
| const QRectF &bounds); |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| QImage m_image; |
| QRectF m_bounds; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgLine : public QSvgNode |
| { |
| public: |
| QSvgLine(QSvgNode *parent, const QLineF &line); |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| QLineF m_line; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgPath : public QSvgNode |
| { |
| public: |
| QSvgPath(QSvgNode *parent, const QPainterPath &qpath); |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| |
| QPainterPath *qpath() { |
| return &m_path; |
| } |
| private: |
| QPainterPath m_path; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgPolygon : public QSvgNode |
| { |
| public: |
| QSvgPolygon(QSvgNode *parent, const QPolygonF &poly); |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| QPolygonF m_poly; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgPolyline : public QSvgNode |
| { |
| public: |
| QSvgPolyline(QSvgNode *parent, const QPolygonF &poly); |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| QPolygonF m_poly; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgRect : public QSvgNode |
| { |
| public: |
| QSvgRect(QSvgNode *paren, const QRectF &rect, int rx=0, int ry=0); |
| Type type() const override; |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| QRectF m_rect; |
| int m_rx, m_ry; |
| }; |
| |
| class QSvgTspan; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgText : public QSvgNode |
| { |
| public: |
| enum WhitespaceMode |
| { |
| Default, |
| Preserve |
| }; |
| |
| QSvgText(QSvgNode *parent, const QPointF &coord); |
| ~QSvgText(); |
| void setTextArea(const QSizeF &size); |
| |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| |
| void addTspan(QSvgTspan *tspan) {m_tspans.append(tspan);} |
| void addText(const QString &text); |
| void addLineBreak() {m_tspans.append(LINEBREAK);} |
| void setWhitespaceMode(WhitespaceMode mode) {m_mode = mode;} |
| |
| //QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| private: |
| static QSvgTspan * const LINEBREAK; |
| |
| QPointF m_coord; |
| |
| // 'm_tspans' is also used to store characters outside tspans and line breaks. |
| // If a 'm_tspan' item is null, it indicates a line break. |
| QVector<QSvgTspan *> m_tspans; |
| |
| Type m_type; |
| QSizeF m_size; |
| WhitespaceMode m_mode; |
| }; |
| |
| class Q_SVG_PRIVATE_EXPORT QSvgTspan : public QSvgNode |
| { |
| public: |
| // tspans are also used to store normal text, so the 'isProperTspan' is used to separate text from tspan. |
| QSvgTspan(QSvgNode *parent, bool isProperTspan = true) |
| : QSvgNode(parent), m_mode(QSvgText::Default), m_isTspan(isProperTspan) |
| { |
| } |
| ~QSvgTspan() { }; |
| Type type() const override { return TSPAN; } |
| void draw(QPainter *, QSvgExtraStates &) override { Q_ASSERT(!"Tspans should be drawn through QSvgText::draw()."); } |
| void addText(const QString &text) {m_text += text;} |
| const QString &text() const {return m_text;} |
| bool isTspan() const {return m_isTspan;} |
| void setWhitespaceMode(QSvgText::WhitespaceMode mode) {m_mode = mode;} |
| QSvgText::WhitespaceMode whitespaceMode() const {return m_mode;} |
| private: |
| QString m_text; |
| QSvgText::WhitespaceMode m_mode; |
| bool m_isTspan; |
| }; |
| |
| class QSvgUse : public QSvgNode |
| { |
| public: |
| QSvgUse(const QPointF &start, QSvgNode *parent, QSvgNode *link); |
| QSvgUse(const QPointF &start, QSvgNode *parent, const QString &linkId) |
| : QSvgUse(start, parent, nullptr) |
| { m_linkId = linkId; } |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| QRectF bounds(QPainter *p, QSvgExtraStates &states) const override; |
| bool isResolved() const { return m_link != nullptr; } |
| QString linkId() const { return m_linkId; } |
| void setLink(QSvgNode *link) { m_link = link; } |
| |
| private: |
| QSvgNode *m_link; |
| QPointF m_start; |
| QString m_linkId; |
| mutable bool m_recursing; |
| }; |
| |
| class QSvgVideo : public QSvgNode |
| { |
| public: |
| void draw(QPainter *p, QSvgExtraStates &states) override; |
| Type type() const override; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSVGGRAPHICS_P_H |