QSvgNode Class Reference

#include <qsvgnode_p.h>

Inheritance diagram for QSvgNode:

Public Types
enum	DisplayMode {   InlineMode, BlockMode, ListItemMode, RunInMode,   CompactMode, MarkerMode, TableMode, InlineTableMode,   TableRowGroupMode, TableHeaderGroupMode, TableFooterGroupMode, TableRowMode,   TableColumnGroupMode, TableColumnMode, TableCellMode, TableCaptionMode,   NoneMode, InheritMode }
enum	Type {   DOC, G, DEFS, SWITCH,   ANIMATION, ARC, CIRCLE, ELLIPSE,   IMAGE, LINE, PATH, POLYGON,   POLYLINE, RECT, TEXT, TEXTAREA,   TSPAN, USE, VIDEO }

Public Functions
void	appendStyleProperty (QSvgStyleProperty *prop, const QString &id)
void	applyStyle (QPainter *p, QSvgExtraStates &states) const
virtual QRectF	bounds (QPainter *p, QSvgExtraStates &states) const
DisplayMode	displayMode () const
QSvgTinyDocument *	document () const
virtual void	draw (QPainter *p, QSvgExtraStates &states)=0
bool	isVisible () const
QString	nodeId () const
QSvgNode *	parent () const
	QSvgNode (QSvgNode *parent=0)
const QStringList &	requiredExtensions () const
const QStringList &	requiredFeatures () const
const QStringList &	requiredFonts () const
const QStringList &	requiredFormats () const
const QStringList &	requiredLanguages () const
void	revertStyle (QPainter *p, QSvgExtraStates &states) const
void	setDisplayMode (DisplayMode display)
void	setNodeId (const QString &i)
void	setRequiredExtensions (const QStringList &lst)
void	setRequiredFeatures (const QStringList &lst)
void	setRequiredFonts (const QStringList &lst)
void	setRequiredFormats (const QStringList &lst)
void	setRequiredLanguages (const QStringList &lst)
void	setVisible (bool visible)
void	setXmlClass (const QString &str)
QSvgStyleProperty *	styleProperty (QSvgStyleProperty::Type type) const
QSvgFillStyleProperty *	styleProperty (const QString &id) const
virtual QRectF	transformedBounds (QPainter *p, QSvgExtraStates &states) const
QRectF	transformedBounds () const
virtual Type	type () const =0
QString	xmlClass () const
virtual	~QSvgNode ()

Static Protected Functions
static qreal	strokeWidth (QPainter *p)

Protected Variables
QSvgStyle	m_style

Properties
QRectF	m_cachedBounds
QString	m_class
DisplayMode	m_displayMode
QString	m_id
QSvgNode *	m_parent
QStringList	m_requiredExtensions
QStringList	m_requiredFeatures
QStringList	m_requiredFonts
QStringList	m_requiredFormats
QStringList	m_requiredLanguages
bool	m_visible

Friends
class	QSvgTinyDocument

Detailed Description

Definition at line 68 of file qsvgnode_p.h.

Enumerations

DisplayMode

enum QSvgNode::DisplayMode

Enumerator
InlineMode
BlockMode
ListItemMode
RunInMode
CompactMode
MarkerMode
TableMode
InlineTableMode
TableRowGroupMode
TableHeaderGroupMode
TableFooterGroupMode
TableRowMode
TableColumnGroupMode
TableColumnMode
TableCellMode
TableCaptionMode
NoneMode
InheritMode

Definition at line 93 of file qsvgnode_p.h.

                     {
        InlineMode,
        BlockMode,
        ListItemMode,
        RunInMode,
        CompactMode,
        MarkerMode,
        TableMode,
        InlineTableMode,
        TableRowGroupMode,
        TableHeaderGroupMode,
        TableFooterGroupMode,
        TableRowMode,
        TableColumnGroupMode,
        TableColumnMode,
        TableCellMode,
        TableCaptionMode,
        NoneMode,
        InheritMode
    };

Type

enum QSvgNode::Type

Enumerator
DOC
G
DEFS
SWITCH
ANIMATION
ARC
CIRCLE
ELLIPSE
IMAGE
LINE
PATH
POLYGON
POLYLINE
RECT
TEXT
TEXTAREA
TSPAN
USE
VIDEO

Definition at line 71 of file qsvgnode_p.h.

    {
        DOC,
        G,
        DEFS,
        SWITCH,
        ANIMATION,
        ARC,
        CIRCLE,
        ELLIPSE,
        IMAGE,
        LINE,
        PATH,
        POLYGON,
        POLYLINE,
        RECT,
        TEXT,
        TEXTAREA,
        TSPAN,
        USE,
        VIDEO
    };

Constructors and Destructors

QSvgNode()

QSvgNode::QSvgNode

(

QSvgNode *

parent = 0

)

Definition at line 52 of file qsvgnode.cpp.

    : m_parent(parent),
      m_visible(true),
      m_displayMode(BlockMode)
{
}

~QSvgNode()

QSvgNode::~QSvgNode ( )

virtual

Definition at line 59 of file qsvgnode.cpp.

{

}

Functions

appendStyleProperty()

void QSvgNode::appendStyleProperty	(	QSvgStyleProperty *	prop,
		const QString &	id
	)

Definition at line 64 of file qsvgnode.cpp.

Referenced by parseAnimateColorNode(), parseAnimateTransformNode(), parseBrush(), parseCompOp(), parseFont(), parseOpacity(), parsePen(), parseTransform(), and QSvgHandler::startElement().

{
    //qDebug()<<"appending "<<prop->type()<< " ("<< id <<") "<<"to "<<this<<this->type();
    QSvgTinyDocument *doc;
    switch (prop->type()) {
    case QSvgStyleProperty::QUALITY:
        m_style.quality = static_cast<QSvgQualityStyle*>(prop);
        break;
    case QSvgStyleProperty::FILL:
        m_style.fill = static_cast<QSvgFillStyle*>(prop);
        break;
    case QSvgStyleProperty::VIEWPORT_FILL:
        m_style.viewportFill = static_cast<QSvgViewportFillStyle*>(prop);
        break;
    case QSvgStyleProperty::FONT:
        m_style.font = static_cast<QSvgFontStyle*>(prop);
        break;
    case QSvgStyleProperty::STROKE:
        m_style.stroke = static_cast<QSvgStrokeStyle*>(prop);
        break;
    case QSvgStyleProperty::SOLID_COLOR:
        m_style.solidColor = static_cast<QSvgSolidColorStyle*>(prop);
        doc = document();
        if (doc && !id.isEmpty())
            doc->addNamedStyle(id, m_style.solidColor);
        break;
    case QSvgStyleProperty::GRADIENT:
        m_style.gradient = static_cast<QSvgGradientStyle*>(prop);
        doc = document();
        if (doc && !id.isEmpty())
            doc->addNamedStyle(id, m_style.gradient);
        break;
    case QSvgStyleProperty::TRANSFORM:
        m_style.transform = static_cast<QSvgTransformStyle*>(prop);
        break;
    case QSvgStyleProperty::ANIMATE_COLOR:
        m_style.animateColor = static_cast<QSvgAnimateColor*>(prop);
        break;
    case QSvgStyleProperty::ANIMATE_TRANSFORM:
        m_style.animateTransforms.append(
            static_cast<QSvgAnimateTransform*>(prop));
        break;
    case QSvgStyleProperty::OPACITY:
        m_style.opacity = static_cast<QSvgOpacityStyle*>(prop);
        break;
    case QSvgStyleProperty::COMP_OP:
        m_style.compop = static_cast<QSvgCompOpStyle*>(prop);
        break;
    default:
        qDebug("QSvgNode: Trying to append unknown property!");
        break;
    }
}

applyStyle()

void QSvgNode::applyStyle	(	QPainter *	p,
		QSvgExtraStates &	states
	)		const

Definition at line 118 of file qsvgnode.cpp.

Referenced by QSvgArc::draw(), QSvgG::draw(), QSvgEllipse::draw(), QSvgTinyDocument::draw(), QSvgSwitch::draw(), QSvgImage::draw(), QSvgLine::draw(), QSvgPath::draw(), QSvgPolygon::draw(), QSvgPolyline::draw(), QSvgRect::draw(), QSvgText::draw(), QSvgUse::draw(), QSvgVideo::draw(), and transformedBounds().

{
    m_style.apply(p, this, states);
}

bounds()

QRectF QSvgNode::bounds ( QPainter *  p, QSvgExtraStates &  states  ) const

virtual

Reimplemented in QSvgUse, QSvgRect, QSvgPolyline, QSvgPolygon, QSvgPath, QSvgLine, QSvgImage, QSvgEllipse, QSvgArc, and QSvgStructureNode.

Definition at line 199 of file qsvgnode.cpp.

Referenced by QSvgText::draw(), and transformedBounds().

{
    return QRectF(0, 0, 0, 0);
}

displayMode()

QSvgNode::DisplayMode QSvgNode::displayMode

(

)

const

Definition at line 330 of file qsvgnode.cpp.

Referenced by QSvgG::draw(), QSvgTinyDocument::draw(), and QSvgSwitch::draw().

{
    return m_displayMode;
}

document()

QSvgTinyDocument * QSvgNode::document

(

)

const

Definition at line 233 of file qsvgnode.cpp.

Referenced by QSvgStructureNode::addChild(), appendStyleProperty(), QSvgAnimateColor::apply(), QSvgStyle::apply(), parseAnimateColorNode(), parseAnimateTransformNode(), parseFont(), QSvgAnimateTransform::resolveMatrix(), QSvgStructureNode::scopeNode(), and styleProperty().

{
    QSvgTinyDocument *doc = 0;
    QSvgNode *node = const_cast<QSvgNode*>(this);
    while (node && node->type() != QSvgNode::DOC) {
        node = node->parent();
    }
    doc = static_cast<QSvgTinyDocument*>(node);

    return doc;
}

draw()

virtual void QSvgNode::draw ( QPainter *  p, QSvgExtraStates &  states  )

pure virtual

Implemented in QSvgVideo, QSvgUse, QSvgTspan, QSvgText, QSvgRect, QSvgPolyline, QSvgPolygon, QSvgPath, QSvgLine, QSvgImage, QSvgSwitch, QSvgDefs, QSvgTinyDocument, QSvgEllipse, QSvgG, QSvgArc, and QSvgAnimation.

Referenced by QSvgG::draw(), QSvgTinyDocument::draw(), QSvgSwitch::draw(), and QSvgUse::draw().

isVisible()

bool QSvgNode::isVisible ( ) const

inline

Definition at line 188 of file qsvgnode_p.h.

Referenced by QSvgG::draw(), QSvgTinyDocument::draw(), QSvgSwitch::draw(), parseVisibility(), and setVisible().

{
    return m_visible;
}

nodeId()

QString QSvgNode::nodeId ( ) const

inline

Definition at line 193 of file qsvgnode_p.h.

Referenced by QSvgStyleSelector::attribute(), QSvgStyleSelector::hasAttributes(), and QSvgStyleSelector::nodeIds().

{
    return m_id;
}

parent()

QSvgNode * QSvgNode::parent ( ) const

inline

Definition at line 183 of file qsvgnode_p.h.

Referenced by createFontNode(), createLinearGradientNode(), document(), QSvgTinyDocument::draw(), QSvgTinyDocument::matrixForElement(), QSvgStyleSelector::parentNode(), parseVisibility(), QSvgStyleSelector::previousSiblingNode(), styleProperty(), and transformedBounds().

{
    return m_parent;
}

requiredExtensions()

const QStringList & QSvgNode::requiredExtensions

(

)

const

Definition at line 260 of file qsvgnode.cpp.

Referenced by QSvgSwitch::draw().

{
    return m_requiredExtensions;
}

requiredFeatures()

const QStringList & QSvgNode::requiredFeatures

(

)

const

Definition at line 250 of file qsvgnode.cpp.

Referenced by QSvgSwitch::draw().

{
    return m_requiredFeatures;
}

requiredFonts()

const QStringList & QSvgNode::requiredFonts

(

)

const

Definition at line 290 of file qsvgnode.cpp.

Referenced by QSvgSwitch::draw().

{
    return m_requiredFonts;
}

requiredFormats()

const QStringList & QSvgNode::requiredFormats

(

)

const

Definition at line 280 of file qsvgnode.cpp.

Referenced by QSvgSwitch::draw().

{
    return m_requiredFormats;
}

requiredLanguages()

const QStringList & QSvgNode::requiredLanguages

(

)

const

Definition at line 270 of file qsvgnode.cpp.

Referenced by QSvgSwitch::draw().

{
    return m_requiredLanguages;
}

revertStyle()

void QSvgNode::revertStyle	(	QPainter *	p,
		QSvgExtraStates &	states
	)		const

Definition at line 123 of file qsvgnode.cpp.

Referenced by QSvgArc::draw(), QSvgG::draw(), QSvgEllipse::draw(), QSvgTinyDocument::draw(), QSvgSwitch::draw(), QSvgImage::draw(), QSvgLine::draw(), QSvgPath::draw(), QSvgPolygon::draw(), QSvgPolyline::draw(), QSvgRect::draw(), QSvgText::draw(), QSvgUse::draw(), QSvgVideo::draw(), and transformedBounds().

{
    m_style.revert(p, states);
}

setDisplayMode()

void QSvgNode::setDisplayMode

(

DisplayMode

display

)

Definition at line 325 of file qsvgnode.cpp.

Referenced by parseOthers().

{
    m_displayMode = mode;
}

setNodeId()

void QSvgNode::setNodeId

(

const QString &

i

)

Definition at line 315 of file qsvgnode.cpp.

Referenced by parseCoreNode(), and parseStopNode().

{
    m_id = i;
}

setRequiredExtensions()

void QSvgNode::setRequiredExtensions

(

const QStringList &

lst

)

Definition at line 255 of file qsvgnode.cpp.

Referenced by parseCoreNode().

{
    m_requiredExtensions = lst;
}

setRequiredFeatures()

void QSvgNode::setRequiredFeatures

(

const QStringList &

lst

)

Definition at line 245 of file qsvgnode.cpp.

Referenced by parseCoreNode().

{
    m_requiredFeatures = lst;
}

setRequiredFonts()

void QSvgNode::setRequiredFonts

(

const QStringList &

lst

)

Definition at line 285 of file qsvgnode.cpp.

Referenced by parseCoreNode().

{
    m_requiredFonts = lst;
}

setRequiredFormats()

void QSvgNode::setRequiredFormats

(

const QStringList &

lst

)

Definition at line 275 of file qsvgnode.cpp.

Referenced by parseCoreNode().

{
    m_requiredFormats = lst;
}

setRequiredLanguages()

void QSvgNode::setRequiredLanguages

(

const QStringList &

lst

)

Definition at line 265 of file qsvgnode.cpp.

Referenced by parseCoreNode().

{
    m_requiredLanguages = lst;
}

setVisible()

void QSvgNode::setVisible

(

bool

visible

)

Definition at line 295 of file qsvgnode.cpp.

Referenced by parseVisibility(), and setVisible().

{
    //propagate visibility change of true to the parent
    //not propagating false is just a small performance
    //degradation since we'll iterate over children without
    //drawing any of them
    if (m_parent && visible && !m_parent->isVisible())
        m_parent->setVisible(true);

    m_visible = visible;
}

setXmlClass()

void QSvgNode::setXmlClass

(

const QString &

str

)

Definition at line 320 of file qsvgnode.cpp.

Referenced by parseCoreNode(), and parseStopNode().

{
    m_class = str;
}

strokeWidth()

qreal QSvgNode::strokeWidth ( QPainter *  p )

staticprotected

Definition at line 335 of file qsvgnode.cpp.

Referenced by QSvgArc::bounds(), QSvgEllipse::bounds(), QSvgLine::bounds(), QSvgPath::bounds(), QSvgPolygon::bounds(), QSvgPolyline::bounds(), and QSvgRect::bounds().

{
    QPen pen = p->pen();
    if (pen.style() == Qt::NoPen || pen.brush().style() == Qt::NoBrush || pen.isCosmetic())
        return 0;
    return pen.widthF();
}

styleProperty() [1/2]

QSvgStyleProperty * QSvgNode::styleProperty

(

QSvgStyleProperty::Type

type

)

const

Definition at line 128 of file qsvgnode.cpp.

Referenced by parseBaseGradient(), QSvgHandler::resolveGradients(), and styleFromUrl().

{
    const QSvgNode *node = this;
    while (node) {
        switch (type) {
        case QSvgStyleProperty::QUALITY:
            if (node->m_style.quality)
                return node->m_style.quality;
            break;
        case QSvgStyleProperty::FILL:
            if (node->m_style.fill)
                return node->m_style.fill;
            break;
        case QSvgStyleProperty::VIEWPORT_FILL:
            if (m_style.viewportFill)
                return node->m_style.viewportFill;
            break;
        case QSvgStyleProperty::FONT:
            if (node->m_style.font)
                return node->m_style.font;
            break;
        case QSvgStyleProperty::STROKE:
            if (node->m_style.stroke)
                return node->m_style.stroke;
            break;
        case QSvgStyleProperty::SOLID_COLOR:
            if (node->m_style.solidColor)
                return node->m_style.solidColor;
            break;
        case QSvgStyleProperty::GRADIENT:
            if (node->m_style.gradient)
                return node->m_style.gradient;
            break;
        case QSvgStyleProperty::TRANSFORM:
            if (node->m_style.transform)
                return node->m_style.transform;
            break;
        case QSvgStyleProperty::ANIMATE_COLOR:
            if (node->m_style.animateColor)
                return node->m_style.animateColor;
            break;
        case QSvgStyleProperty::ANIMATE_TRANSFORM:
            if (!node->m_style.animateTransforms.isEmpty())
                return node->m_style.animateTransforms.first();
            break;
        case QSvgStyleProperty::OPACITY:
            if (node->m_style.opacity)
                return node->m_style.opacity;
            break;
        case QSvgStyleProperty::COMP_OP:
            if (node->m_style.compop)
                return node->m_style.compop;
            break;
        default:
            break;
        }
        node = node->parent();
    }

    return 0;
}

styleProperty() [2/2]

QSvgFillStyleProperty * QSvgNode::styleProperty

(

const QString &

id

)

const

Definition at line 190 of file qsvgnode.cpp.

{
    QString rid = id;
    if (rid.startsWith(QLatin1Char('#')))
        rid.remove(0, 1);
    QSvgTinyDocument *doc = document();
    return doc ? doc->namedStyle(rid) : 0;
}

transformedBounds() [1/2]

QRectF QSvgNode::transformedBounds ( QPainter *  p, QSvgExtraStates &  states  ) const

virtual

Definition at line 307 of file qsvgnode.cpp.

Referenced by QSvgStructureNode::bounds(), QSvgUse::bounds(), QSvgTinyDocument::boundsOnElement(), and QSvgTinyDocument::draw().

{
    applyStyle(p, states);
    QRectF rect = bounds(p, states);
    revertStyle(p, states);
    return rect;
}

transformedBounds() [2/2]

QRectF QSvgNode::transformedBounds

(

)

const

Definition at line 204 of file qsvgnode.cpp.

Referenced by QSvgTinyDocument::viewBox().

{
    if (!m_cachedBounds.isEmpty())
        return m_cachedBounds;

    QImage dummy(1, 1, QImage::Format_RGB32);
    QPainter p(&dummy);
    QSvgExtraStates states;

    QPen pen(Qt::NoBrush, 1, Qt::SolidLine, Qt::FlatCap, Qt::MiterJoin);
    pen.setMiterLimit(4);
    p.setPen(pen);

    QStack<QSvgNode*> parentApplyStack;
    QSvgNode *parent = m_parent;
    while (parent) {
        parentApplyStack.push(parent);
        parent = parent->parent();
    }

    for (int i = parentApplyStack.size() - 1; i >= 0; --i)
        parentApplyStack[i]->applyStyle(&p, states);
    
    p.setWorldTransform(QTransform());

    m_cachedBounds = transformedBounds(&p, states);
    return m_cachedBounds;
}

type()

virtual Type QSvgNode::type ( ) const

pure virtual

Implemented in QSvgVideo, QSvgUse, QSvgTspan, QSvgText, QSvgRect, QSvgPolyline, QSvgPolygon, QSvgPath, QSvgLine, QSvgImage, QSvgSwitch, QSvgCircle, QSvgDefs, QSvgEllipse, QSvgG, QSvgTinyDocument, QSvgArc, and QSvgAnimation.

Referenced by QSvgHandler::characters(), createFontNode(), createLinearGradientNode(), createUseNode(), document(), QSvgStyleSelector::nodeToName(), QSvgStyleSelector::nodeToStructure(), parseTbreakNode(), QSvgHandler::resolveGradients(), and QSvgHandler::startElement().

xmlClass()

QString QSvgNode::xmlClass ( ) const

inline

Definition at line 198 of file qsvgnode_p.h.

Referenced by QSvgStyleSelector::attribute(), and QSvgStyleSelector::hasAttributes().

{
    return m_class;
}

Friends and Related Functions

QSvgTinyDocument

friend class QSvgTinyDocument

friend

Definition at line 180 of file qsvgnode_p.h.

Properties

m_cachedBounds

QRectF QSvgNode::m_cachedBounds

mutableprivate

Definition at line 178 of file qsvgnode_p.h.

Referenced by transformedBounds().

m_class

QString QSvgNode::m_class

private

Definition at line 175 of file qsvgnode_p.h.

Referenced by setXmlClass(), and xmlClass().

m_displayMode

DisplayMode QSvgNode::m_displayMode

private

Definition at line 177 of file qsvgnode_p.h.

Referenced by displayMode(), and setDisplayMode().

m_id

QString QSvgNode::m_id

private

Definition at line 174 of file qsvgnode_p.h.

Referenced by nodeId(), and setNodeId().

m_parent

QSvgNode* QSvgNode::m_parent

private

Definition at line 164 of file qsvgnode_p.h.

Referenced by parent(), setVisible(), and transformedBounds().

m_requiredExtensions

QStringList QSvgNode::m_requiredExtensions

private

Definition at line 167 of file qsvgnode_p.h.

Referenced by requiredExtensions(), and setRequiredExtensions().

m_requiredFeatures

QStringList QSvgNode::m_requiredFeatures

private

Definition at line 166 of file qsvgnode_p.h.

Referenced by requiredFeatures(), and setRequiredFeatures().

m_requiredFonts

QStringList QSvgNode::m_requiredFonts

private

Definition at line 170 of file qsvgnode_p.h.

Referenced by requiredFonts(), and setRequiredFonts().

m_requiredFormats

QStringList QSvgNode::m_requiredFormats

private

Definition at line 169 of file qsvgnode_p.h.

Referenced by requiredFormats(), and setRequiredFormats().

m_requiredLanguages

QStringList QSvgNode::m_requiredLanguages

private

Definition at line 168 of file qsvgnode_p.h.

Referenced by requiredLanguages(), and setRequiredLanguages().

m_style

QSvgStyle QSvgNode::m_style

mutableprotected

Definition at line 160 of file qsvgnode_p.h.

Referenced by appendStyleProperty(), applyStyle(), QSvgTinyDocument::matrixForElement(), revertStyle(), and styleProperty().

m_visible

bool QSvgNode::m_visible

private

Definition at line 172 of file qsvgnode_p.h.

Referenced by isVisible(), and setVisible().

---

The documentation for this class was generated from the following files:

• /src/svg/qsvgnode_p.h
• /src/svg/qsvgnode.cpp