SvgUtil::PreserveAspectRatioParser Struct Reference

#include <SvgUtil.h>

Public Types
enum	Alignment { Min , Middle , Max }

Public Member Functions
	PreserveAspectRatioParser (const QString &str)
QPointF	rectAnchorPoint (const QRectF &rc) const
QString	toString () const

Public Attributes
bool	defer = false
Qt::AspectRatioMode	mode = Qt::IgnoreAspectRatio
Alignment	xAlignment = Min
Alignment	yAlignment = Min

Private Member Functions
Alignment	alignmentFromString (const QString &str) const
QString	alignmentToString (Alignment alignment) const

Static Private Member Functions
static qreal	alignedValue (qreal min, qreal max, Alignment alignment)

Detailed Description

Definition at line 136 of file SvgUtil.h.

Member Enumeration Documentation

Alignment

enum SvgUtil::PreserveAspectRatioParser::Alignment

Enumerator
Min
Middle
Max

Definition at line 140 of file SvgUtil.h.

                       {
            Min,
            Middle,
            Max
        };

Constructor & Destructor Documentation

PreserveAspectRatioParser()

SvgUtil::PreserveAspectRatioParser::PreserveAspectRatioParser

(

const QString &

str

)

Definition at line 459 of file SvgUtil.cpp.

{
    QRegExp rexp("(defer)?\\s*(none|(x(Min|Max|Mid)Y(Min|Max|Mid)))\\s*(meet|slice)?", Qt::CaseInsensitive);
    int index = rexp.indexIn(str.toLower());
 
    if (index >= 0) {
        if (rexp.cap(1) == "defer") {
            defer = true;
        }
 
        if (rexp.cap(2) != "none") {
            xAlignment = alignmentFromString(rexp.cap(4));
            yAlignment = alignmentFromString(rexp.cap(5));
            mode = rexp.cap(6) == "slice" ?
                Qt::KeepAspectRatioByExpanding : Qt::KeepAspectRatio;
        }
    }
}

References alignmentFromString(), defer, mode, xAlignment, and yAlignment.

Member Function Documentation

alignedValue()

qreal SvgUtil::PreserveAspectRatioParser::alignedValue ( qreal min, qreal max, Alignment alignment )

staticprivate

Definition at line 530 of file SvgUtil.cpp.

{
    qreal result = min;
 
    switch (alignment) {
    case Min:
        result = min;
        break;
    case Middle:
        result = 0.5 * (min + max);
        break;
    case Max:
        result = max;
        break;
    }
 
    return result;
}

alignmentFromString()

SvgUtil::PreserveAspectRatioParser::Alignment SvgUtil::PreserveAspectRatioParser::alignmentFromString ( const QString & str ) const

private

Definition at line 515 of file SvgUtil.cpp.

                                                                                                                        {
    return
        str == "max" ? Max :
        str == "mid" ? Middle : Min;
}

alignmentToString()

QString SvgUtil::PreserveAspectRatioParser::alignmentToString ( Alignment alignment ) const

private

Definition at line 521 of file SvgUtil.cpp.

{
    return
        alignment == Max ? "Max" :
        alignment == Min ? "Min" :
        "Mid";
 
}

rectAnchorPoint()

QPointF SvgUtil::PreserveAspectRatioParser::rectAnchorPoint

(

const QRectF &

rc

)

const

Definition at line 478 of file SvgUtil.cpp.

{
    return QPointF(alignedValue(rc.x(), rc.x() + rc.width(), xAlignment),
                   alignedValue(rc.y(), rc.y() + rc.height(), yAlignment));
}

toString()

QString SvgUtil::PreserveAspectRatioParser::toString

(

)

const

Definition at line 484 of file SvgUtil.cpp.

{
    QString result;
 
    if (!defer &&
        xAlignment == Middle &&
        yAlignment == Middle &&
        mode == Qt::KeepAspectRatio) {
 
        return result;
    }
 
    if (defer) {
        result += "defer ";
    }
 
    if (mode == Qt::IgnoreAspectRatio) {
        result += "none";
    } else {
        result += QString("x%1Y%2")
            .arg(alignmentToString(xAlignment))
            .arg(alignmentToString(yAlignment));
 
        if (mode == Qt::KeepAspectRatioByExpanding) {
            result += " slice";
        }
    }
 
    return result;
}

Member Data Documentation

defer

bool SvgUtil::PreserveAspectRatioParser::defer = false

Definition at line 146 of file SvgUtil.h.

mode

Qt::AspectRatioMode SvgUtil::PreserveAspectRatioParser::mode = Qt::IgnoreAspectRatio

Definition at line 147 of file SvgUtil.h.

xAlignment

Alignment SvgUtil::PreserveAspectRatioParser::xAlignment = Min

Definition at line 148 of file SvgUtil.h.

yAlignment

Alignment SvgUtil::PreserveAspectRatioParser::yAlignment = Min

Definition at line 149 of file SvgUtil.h.

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

• libs/flake/svg/SvgUtil.h
• libs/flake/svg/SvgUtil.cpp