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authorKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-07-27 11:20:14 (GMT)
committerKim Motoyoshi Kalland <kim.kalland@nokia.com>2009-07-30 13:46:02 (GMT)
commit5aa46b1052b05d34cbfef175caaf941928520964 (patch)
tree2b7c85a35e3f63061f8f28652f3f205ce7380a4f /src/svg
parent1685f9968ea7b1e132df44c8aab3d03ad6cd5e12 (diff)
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Added support for 'vector-effect' in QtSvg.
Task-number: 254040 Reviewed-by: Tor Arne
Diffstat (limited to 'src/svg')
-rw-r--r--src/svg/qsvghandler.cpp232
1 files changed, 150 insertions, 82 deletions
diff --git a/src/svg/qsvghandler.cpp b/src/svg/qsvghandler.cpp
index f10b26f..b829a22 100644
--- a/src/svg/qsvghandler.cpp
+++ b/src/svg/qsvghandler.cpp
@@ -697,85 +697,152 @@ static void parseQPen(QPen &pen, QSvgNode *node,
QString miterlimit = attributes.value(QLatin1String("stroke-miterlimit")).toString();
QString opacity = attributes.value(QLatin1String("stroke-opacity")).toString();
QString width = attributes.value(QLatin1String("stroke-width")).toString();
+ QString vectorEffect = attributes.value(QLatin1String("vector-effect")).toString();
QString myId = someId(attributes);
- if (!value.isEmpty() || !width.isEmpty()) {
- if (value != QLatin1String("none")) {
- if (!value.isEmpty()) {
- if (node && value.startsWith(QLatin1String("url"))) {
- value = value.remove(0, 3);
- QSvgStyleProperty *style = styleFromUrl(node, value);
- if (style) {
- if (style->type() == QSvgStyleProperty::GRADIENT) {
- QBrush b(*((QSvgGradientStyle*)style)->qgradient());
- pen.setBrush(b);
- } else if (style->type() == QSvgStyleProperty::SOLID_COLOR) {
- pen.setColor(
- ((QSvgSolidColorStyle*)style)->qcolor());
- }
- } else {
- qWarning()<<"QSvgHandler::parsePen could not resolve property" << idFromUrl(value);
- }
- } else {
- QColor color;
- if (constructColor(value, opacity, color, handler))
- pen.setColor(color);
- }
- //since we could inherit stroke="none"
- //we need to reset the style of our stroke to something
- pen.setStyle(Qt::SolidLine);
- }
- if (!width.isEmpty()) {
- QSvgHandler::LengthType lt;
- qreal widthF = parseLength(width, lt, handler);
- //### fixme
- if (!widthF) {
- pen.setStyle(Qt::NoPen);
- return;
- }
- pen.setWidthF(widthF);
- }
- qreal penw = pen.widthF();
-
- if (!linejoin.isEmpty()) {
- if (linejoin == QLatin1String("miter"))
- pen.setJoinStyle(Qt::SvgMiterJoin);
- else if (linejoin == QLatin1String("round"))
- pen.setJoinStyle(Qt::RoundJoin);
- else if (linejoin == QLatin1String("bevel"))
- pen.setJoinStyle(Qt::BevelJoin);
- }
- if (!miterlimit.isEmpty())
- pen.setMiterLimit(toDouble(miterlimit));
-
- if (!linecap.isEmpty()) {
- if (linecap == QLatin1String("butt"))
- pen.setCapStyle(Qt::FlatCap);
- else if (linecap == QLatin1String("round"))
- pen.setCapStyle(Qt::RoundCap);
- else if (linecap == QLatin1String("square"))
- pen.setCapStyle(Qt::SquareCap);
- }
+ QSvgStrokeStyle *inherited =
+ static_cast<QSvgStrokeStyle*>(node->parent()->styleProperty(
+ QSvgStyleProperty::STROKE));
- if (!dashArray.isEmpty()) {
- const QChar *s = dashArray.constData();
- QVector<qreal> dashes = parseNumbersList(s);
- qreal *d = dashes.data();
- if (penw != 0)
- for (int i = 0; i < dashes.size(); ++i) {
- *d /= penw;
- ++d;
+ bool stroke = false;
+ if (inherited) {
+ pen = inherited->qpen();
+ stroke = inherited->strokePresent();
+ } else {
+ pen = handler->defaultPen();
+ }
+
+ // stroke-opacity attribute handling
+ qreal strokeAlpha;
+ if (!opacity.isEmpty() && opacity != QLatin1String("inherit")) {
+ strokeAlpha = qMin(qreal(1.0), qMax(qreal(0.0), toDouble(opacity)));
+ } else {
+ strokeAlpha = pen.color().alphaF();
+ }
+
+ //stroke attribute handling
+ if (!value.isEmpty() && value != QLatin1String("inherit")) {
+ if (value.startsWith(QLatin1String("url"))) {
+ value = value.remove(0, 3);
+ QSvgStyleProperty *style = styleFromUrl(node, value);
+ if (style) {
+ if (style->type() == QSvgStyleProperty::GRADIENT) {
+ QBrush b(*((QSvgGradientStyle*)style)->qgradient());
+ pen.setBrush(b);
+ } else if (style->type() == QSvgStyleProperty::SOLID_COLOR) {
+ pen.setColor(((QSvgSolidColorStyle*)style)->qcolor());
}
- pen.setDashPattern(dashes);
+ stroke = true;
+ } else {
+ qWarning() << "QSvgHandler::parsePen could not resolve property" << idFromUrl(value);
}
- if (!dashOffset.isEmpty()) {
- pen.setDashOffset(toDouble(dashOffset));
+ } else if (value == QLatin1String("none")) {
+ QColor color;
+ color.setAlphaF(strokeAlpha);
+ pen.setColor(color);
+ stroke = false;
+ } else {
+ QColor color;
+ if (resolveColor(value, color, handler)) {
+ color.setAlphaF(strokeAlpha);
+ pen.setColor(color);
}
+ stroke = true;
+ }
+ } else {
+ QColor color = pen.color();
+ color.setAlphaF(strokeAlpha);
+ pen.setColor(color);
+ }
- } else {
- pen.setStyle(Qt::NoPen);
+ //stroke-width handling
+ if (!width.isEmpty() && width != QLatin1String("inherit")) {
+ qreal widthF;
+ QSvgHandler::LengthType lt;
+ widthF = parseLength(width, lt, handler);
+ pen.setWidthF(widthF);
+ }
+
+ //stroke-linejoin attribute handling
+ if (!linejoin.isEmpty()) {
+ if (linejoin == QLatin1String("miter"))
+ pen.setJoinStyle(Qt::SvgMiterJoin);
+ else if (linejoin == QLatin1String("round"))
+ pen.setJoinStyle(Qt::RoundJoin);
+ else if (linejoin == QLatin1String("bevel"))
+ pen.setJoinStyle(Qt::BevelJoin);
+ }
+
+ //stroke-linecap attribute handling
+ if (!linecap.isEmpty()) {
+ if (linecap == QLatin1String("butt"))
+ pen.setCapStyle(Qt::FlatCap);
+ else if (linecap == QLatin1String("round"))
+ pen.setCapStyle(Qt::RoundCap);
+ else if (linecap == QLatin1String("square"))
+ pen.setCapStyle(Qt::SquareCap);
+ }
+
+ //strok-dasharray attribute handling
+ qreal penw = pen.widthF();
+ if (!dashArray.isEmpty() && dashArray != QLatin1String("inherit")) {
+ const QChar *s = dashArray.constData();
+ QVector<qreal> dashes = parseNumbersList(s);
+ qreal *d = dashes.data();
+ if (penw != 0)
+ for (int i = 0; i < dashes.size(); ++i) {
+ *d /= penw;
+ ++d;
+ }
+ // if the dash count is odd the dashes should be duplicated
+ if (dashes.size() % 2 != 0)
+ dashes << QVector<qreal>(dashes);
+ pen.setDashPattern(dashes);
+ } else if (inherited) {
+ QVector<qreal> dashes(inherited->qpen().dashPattern());
+ qreal *d = dashes.data();
+ if (!penw)
+ penw = 1.0;
+ qreal inheritpenw = inherited->qpen().widthF();
+ if (!inheritpenw)
+ inheritpenw = 1.0;
+ for ( int i = 0; i < dashes.size(); ++i) {
+ *d *= (inheritpenw/ penw);
+ ++d;
}
+ pen.setDashPattern(dashes);
}
+
+ //stroke-dashoffset attribute handling
+ if (!dashOffset.isEmpty() && dashOffset != QLatin1String("inherit")) {
+ qreal doffset = toDouble(dashOffset);
+ if (penw != 0)
+ doffset /= penw;
+ pen.setDashOffset(doffset);
+ } else if (inherited) {
+ qreal doffset = pen.dashOffset();
+ if (!penw)
+ penw = 1.0;
+ qreal inheritpenw = inherited->qpen().widthF();
+ if (!inheritpenw)
+ inheritpenw = 1.0;
+ doffset *= (inheritpenw / penw);
+ pen.setDashOffset(doffset);
+ }
+
+ //vector-effect attribute handling
+ if (!vectorEffect.isEmpty()) {
+ if (vectorEffect == QLatin1String("non-scaling-stroke"))
+ pen.setCosmetic(true);
+ else if (vectorEffect == QLatin1String("none"))
+ pen.setCosmetic(false);
+ }
+
+ if (!miterlimit.isEmpty() && miterlimit != QLatin1String("inherit"))
+ pen.setMiterLimit(toDouble(miterlimit));
+
+ if (!stroke)
+ pen.setStyle(Qt::NoPen);
}
static QMatrix parseTransformationMatrix(const QString &value)
@@ -917,18 +984,15 @@ static void parsePen(QSvgNode *node,
QString miterlimit = attributes.value(QLatin1String("stroke-miterlimit")).toString();
QString opacity = attributes.value(QLatin1String("stroke-opacity")).toString();
QString width = attributes.value(QLatin1String("stroke-width")).toString();
+ QString vectorEffect = attributes.value(QLatin1String("vector-effect")).toString();
QString myId = someId(attributes);
//qDebug()<<"Node "<<node->type()<<", attrs are "<<value<<width;
- /* All the below checks needed because g (or any container element) can have only one of these attributes.
- * If it doesn't has any one of these, then processing below not needed */
-
if (!value.isEmpty() || !width.isEmpty() || !dashArray.isEmpty() || !linecap.isEmpty() ||
- !linejoin.isEmpty() || !miterlimit.isEmpty() || !opacity.isEmpty() || !dashOffset.isEmpty() ) {
- //if (value != QLatin1String("none")) {
- /* If stroke = "none" then also, we need to parse below, because elements like 'g' may
- have other defined stroke attributes, which will be inherited by its children */
+ !linejoin.isEmpty() || !miterlimit.isEmpty() || !opacity.isEmpty() ||
+ !dashOffset.isEmpty() || !vectorEffect.isEmpty()) {
+
QSvgStrokeStyle *inherited =
static_cast<QSvgStrokeStyle*>(node->parent()->styleProperty(
QSvgStyleProperty::STROKE));
@@ -961,8 +1025,7 @@ static void parsePen(QSvgNode *node,
pen.setColor(
((QSvgSolidColorStyle*)style)->qcolor());
}
- pen.setStyle(Qt::SolidLine);
- stroke = true;
+ stroke = true;
} else {
qWarning() << "QSvgHandler::parsePen could not resolve property" << idFromUrl(value);
}
@@ -991,9 +1054,6 @@ static void parsePen(QSvgNode *node,
QSvgHandler::LengthType lt;
widthF = parseLength(width, lt, handler);
pen.setWidthF(widthF);
- } else if (inherited){
- qreal widthF = inherited->qpen().widthF();
- pen.setWidthF(widthF);
}
//stroke-linejoin attribute handling
@@ -1064,6 +1124,14 @@ static void parsePen(QSvgNode *node,
pen.setDashOffset(doffset);
}
+ //vector-effect attribute handling
+ if (!vectorEffect.isEmpty()) {
+ if (vectorEffect == QLatin1String("non-scaling-stroke"))
+ pen.setCosmetic(true);
+ else if (vectorEffect == QLatin1String("none"))
+ pen.setCosmetic(false);
+ }
+
if (!miterlimit.isEmpty() && miterlimit != QLatin1String("inherit"))
pen.setMiterLimit(toDouble(miterlimit));