void SvgStyleWriter::saveSvgClipping(KoShape *shape, SvgSavingContext &context)
{
KoClipPath *clipPath = shape->clipPath();
if (!clipPath)
return;
const QSizeF shapeSize = shape->outlineRect().size();
KoPathShape *path = KoPathShape::createShapeFromPainterPath(clipPath->pathForSize(shapeSize));
if (!path)
return;
path->close();
const QString uid = context.createUID("clippath");
context.styleWriter().startElement("clipPath");
context.styleWriter().addAttribute("id", uid);
context.styleWriter().addAttribute("clipPathUnits", "userSpaceOnUse");
context.styleWriter().startElement("path");
context.styleWriter().addAttribute("d", path->toString(path->absoluteTransformation(0)*context.userSpaceTransform()));
context.styleWriter().endElement(); // path
context.styleWriter().endElement(); // clipPath
context.shapeWriter().addAttribute("clip-path", "url(#" + uid + ")");
if (clipPath->clipRule() != Qt::WindingFill)
context.shapeWriter().addAttribute("clip-rule", "evenodd");
}
bool PictureShape::saveSvg(SvgSavingContext &context)
{
KoImageData *imageData = qobject_cast<KoImageData*>(userData());
if (!imageData) {
qWarning() << "Picture has no image data. Omitting.";
return false;
}
context.shapeWriter().startElement("image");
context.shapeWriter().addAttribute("id", context.getID(this));
QTransform m = transformation();
if (m.type() == QTransform::TxTranslate) {
const QPointF pos = position();
context.shapeWriter().addAttributePt("x", pos.x());
context.shapeWriter().addAttributePt("y", pos.y());
} else {
context.shapeWriter().addAttribute("transform", SvgUtil::transformToString(m));
}
const QSizeF s = size();
context.shapeWriter().addAttributePt("width", s.width());
context.shapeWriter().addAttributePt("height", s.height());
context.shapeWriter().addAttribute("xlink:href", context.saveImage(imageData));
context.shapeWriter().endElement();
return true;
}
void SvgStyleWriter::saveSvgColorStops(const QGradientStops &colorStops, SvgSavingContext &context)
{
Q_FOREACH (const QGradientStop &stop, colorStops) {
context.styleWriter().startElement("stop");
context.styleWriter().addAttribute("stop-color", stop.second.name());
context.styleWriter().addAttribute("offset", stop.first);
context.styleWriter().addAttribute("stop-opacity", stop.second.alphaF());
context.styleWriter().endElement();
}
void SvgStyleWriter::saveSvgStyle(KoShape *shape, SvgSavingContext &context)
{
saveSvgFill(shape, context);
saveSvgStroke(shape, context);
saveSvgEffects(shape, context);
saveSvgClipping(shape, context);
if (! shape->isVisible())
context.shapeWriter().addAttribute("display", "none");
if (shape->transparency() > 0.0)
context.shapeWriter().addAttribute("opacity", 1.0 - shape->transparency());
}
void SvgStyleWriter::saveSvgEffects(KoShape *shape, SvgSavingContext &context)
{
KoFilterEffectStack * filterStack = shape->filterEffectStack();
if (!filterStack)
return;
QList<KoFilterEffect*> filterEffects = filterStack->filterEffects();
if (!filterEffects.count())
return;
const QString uid = context.createUID("filter");
filterStack->save(context.styleWriter(), uid);
context.shapeWriter().addAttribute("filter", "url(#" + uid + ")");
}
void SvgStyleWriter::saveSvgFill(KoShape *shape, SvgSavingContext &context)
{
if (! shape->background()) {
context.shapeWriter().addAttribute("fill", "none");
}
QBrush fill(Qt::NoBrush);
QSharedPointer<KoColorBackground> cbg = qSharedPointerDynamicCast<KoColorBackground>(shape->background());
if (cbg) {
context.shapeWriter().addAttribute("fill", cbg->color().name());
if (cbg->color().alphaF() < 1.0)
context.shapeWriter().addAttribute("fill-opacity", cbg->color().alphaF());
}
QSharedPointer<KoGradientBackground> gbg = qSharedPointerDynamicCast<KoGradientBackground>(shape->background());
if (gbg) {
QString gradientId = saveSvgGradient(gbg->gradient(), gbg->transform(), context);
context.shapeWriter().addAttribute("fill", "url(#" + gradientId + ")");
}
QSharedPointer<KoPatternBackground> pbg = qSharedPointerDynamicCast<KoPatternBackground>(shape->background());
if (pbg) {
const QString patternId = saveSvgPattern(pbg, shape, context);
context.shapeWriter().addAttribute("fill", "url(#" + patternId + ")");
}
KoPathShape * path = dynamic_cast<KoPathShape*>(shape);
if (path && shape->background()) {
// non-zero is default, so only write fillrule if evenodd is set
if (path->fillRule() == Qt::OddEvenFill)
context.shapeWriter().addAttribute("fill-rule", "evenodd");
}
}
bool RectangleShape::saveSvg(SvgSavingContext &context)
{
context.shapeWriter().startElement("rect");
context.shapeWriter().addAttribute("id", context.getID(this));
context.shapeWriter().addAttribute("transform", SvgUtil::transformToString(transformation()));
SvgStyleWriter::saveSvgStyle(this, context);
const QSizeF size = this->size();
context.shapeWriter().addAttributePt("width", size.width());
context.shapeWriter().addAttributePt("height", size.height());
double rx = cornerRadiusX();
if (rx > 0.0)
context.shapeWriter().addAttributePt("rx", 0.01 * rx * 0.5 * size.width());
double ry = cornerRadiusY();
if (ry > 0.0)
context.shapeWriter().addAttributePt("ry", 0.01 * ry * 0.5 * size.height());
context.shapeWriter().endElement();
return true;
}
void SvgStyleWriter::saveSvgStroke(KoShape *shape, SvgSavingContext &context)
{
const KoShapeStroke * line = dynamic_cast<const KoShapeStroke*>(shape->stroke());
if (! line)
return;
QString strokeStr("none");
if (line->lineBrush().gradient()) {
QString gradientId = saveSvgGradient(line->lineBrush().gradient(), line->lineBrush().transform(), context);
strokeStr = "url(#" + gradientId + ")";
} else {
strokeStr = line->color().name();
}
if (!strokeStr.isEmpty())
context.shapeWriter().addAttribute("stroke", strokeStr);
if (line->color().alphaF() < 1.0)
context.shapeWriter().addAttribute("stroke-opacity", line->color().alphaF());
context.shapeWriter().addAttribute("stroke-width", SvgUtil::toUserSpace(line->lineWidth()));
if (line->capStyle() == Qt::FlatCap)
context.shapeWriter().addAttribute("stroke-linecap", "butt");
else if (line->capStyle() == Qt::RoundCap)
context.shapeWriter().addAttribute("stroke-linecap", "round");
else if (line->capStyle() == Qt::SquareCap)
context.shapeWriter().addAttribute("stroke-linecap", "square");
if (line->joinStyle() == Qt::MiterJoin) {
context.shapeWriter().addAttribute("stroke-linejoin", "miter");
context.shapeWriter().addAttribute("stroke-miterlimit", line->miterLimit());
} else if (line->joinStyle() == Qt::RoundJoin)
context.shapeWriter().addAttribute("stroke-linejoin", "round");
else if (line->joinStyle() == Qt::BevelJoin)
context.shapeWriter().addAttribute("stroke-linejoin", "bevel");
// dash
if (line->lineStyle() > Qt::SolidLine) {
qreal dashFactor = line->lineWidth();
if (line->dashOffset() != 0)
context.shapeWriter().addAttribute("stroke-dashoffset", dashFactor * line->dashOffset());
QString dashStr;
const QVector<qreal> dashes = line->lineDashes();
int dashCount = dashes.size();
for (int i = 0; i < dashCount; ++i) {
if (i > 0)
dashStr += ",";
dashStr += QString("%1").arg(dashes[i] * dashFactor);
}
context.shapeWriter().addAttribute("stroke-dasharray", dashStr);
}
}
