source: trunk/src/gui/painting/qcssutil.cpp@ 718

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#include "qcssutil_p.h"
#include "private/qcssparser_p.h"
#include "qpainter.h"
#include <qmath.h>

#ifndef QT_NO_CSSPARSER

QT_BEGIN_NAMESPACE

using namespace QCss;

static QPen qPenFromStyle(const QBrush& b, qreal width, BorderStyle s)
{
    Qt::PenStyle ps = Qt::NoPen;

    switch (s) {
    case BorderStyle_Dotted:
        ps  = Qt::DotLine;
        break;
    case BorderStyle_Dashed:
        ps = width == 1 ? Qt::DotLine : Qt::DashLine;
        break;
    case BorderStyle_DotDash:
        ps = Qt::DashDotLine;
        break;
    case BorderStyle_DotDotDash:
        ps = Qt::DashDotDotLine;
        break;
    case BorderStyle_Inset:
    case BorderStyle_Outset:
    case BorderStyle_Solid:
        ps = Qt::SolidLine;
        break;
    default:
        break;
    }

    return QPen(b, width, ps, Qt::FlatCap);
}

void qDrawRoundedCorners(QPainter *p, qreal x1, qreal y1, qreal x2, qreal y2,
                         const QSizeF& r1, const QSizeF& r2,
                         Edge edge, BorderStyle s, QBrush c)
{
    const qreal pw = (edge == TopEdge || edge == BottomEdge) ? y2-y1 : x2-x1;
    if (s == BorderStyle_Double) {
        qreal wby3 = pw/3;
        switch (edge) {
        case TopEdge:
        case BottomEdge:
            qDrawRoundedCorners(p, x1, y1, x2, y1+wby3, r1, r2, edge, BorderStyle_Solid, c);
            qDrawRoundedCorners(p, x1, y2-wby3, x2, y2, r1, r2, edge, BorderStyle_Solid, c);
            break;
        case LeftEdge:
            qDrawRoundedCorners(p, x1, y1+1, x1+wby3, y2, r1, r2, LeftEdge, BorderStyle_Solid, c);
            qDrawRoundedCorners(p, x2-wby3, y1+1, x2, y2, r1, r2, LeftEdge, BorderStyle_Solid, c);
            break;
        case RightEdge:
            qDrawRoundedCorners(p, x1, y1+1, x1+wby3, y2, r1, r2, RightEdge, BorderStyle_Solid, c);
            qDrawRoundedCorners(p, x2-wby3, y1+1, x2, y2, r1, r2, RightEdge, BorderStyle_Solid, c);
            break;
        default: