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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:critical reason:data-parser
#include "qsvgcsshandler_p.h"
#include <QtSvg/private/qsvganimatedproperty_p.h>
#include <QtSvg/private/qsvgutils_p.h>
#include <QtGui/private/qmath_p.h>
QT_BEGIN_NAMESPACE
// Parses the angle from a string and convert it to degrees.
static qreal qsvg_parseAngle(QStringView str, bool *ok = nullptr)
{
QStringView numStr = str.trimmed();
if (numStr.isEmpty()) {
if (ok)
*ok = false;
return false;
}
qreal unitFactor;
if (numStr.endsWith(QLatin1String("deg"))) {
numStr.chop(3);
unitFactor = 1.0;
} else if (numStr.endsWith(QLatin1String("grad"))) {
numStr.chop(4);
// deg = grad * 0.9;
unitFactor = 0.9;
} else if (numStr.endsWith(QLatin1String("rad"))) {
numStr.chop(3);
unitFactor = 180.0 / Q_PI;
} else if (numStr.endsWith(QLatin1String("turn"))) {
numStr.chop(4);
// one circle = one turn
unitFactor = 360.0;
} else {
unitFactor = 0.0;
}
return QSvgUtils::toDouble(numStr, ok) * unitFactor;
}
void QSvgCssHandler::collectAnimations(const QCss::StyleSheet &sheet)
{
auto sortFunction = [](QCss::AnimationRule::AnimationRuleSet r1, QCss::AnimationRule::AnimationRuleSet r2) {
return r1.keyFrame < r2.keyFrame;
};
QList<QCss::AnimationRule> animationRules = sheet.animationRules;
for (QCss::AnimationRule rule : animationRules) {
std::sort(rule.ruleSets.begin(), rule.ruleSets.end(), sortFunction);
m_animations[rule.animName] = rule;
}
}
QSvgCssAnimation *QSvgCssHandler::createAnimation(const QString &name)
{
if (!m_animations.contains(name))
return nullptr;
QCss::AnimationRule animationRule = m_animations[name];
QHash<QString, QSvgAbstractAnimatedProperty*> animatedProperies;
QSvgCssAnimation *animation = new QSvgCssAnimation;
for (const auto &ruleSet : std::as_const(animationRule.ruleSets)) {
for (QCss::Declaration decl : ruleSet.declarations) {
if (decl.d->property == QStringLiteral("fill") || decl.d->property == QStringLiteral("stroke")) {
QSvgAnimatedPropertyColor *prop = nullptr;
if (!animatedProperies.contains(decl.d->property))
animatedProperies[decl.d->property] = QSvgAbstractAnimatedProperty::createAnimatedProperty(decl.d->property);
prop = static_cast<QSvgAnimatedPropertyColor *>(animatedProperies[decl.d->property]);
prop->appendKeyFrame(ruleSet.keyFrame);
updateColorProperty(decl, prop);
} else if (decl.d->property == QStringLiteral("transform")) {
QSvgAnimatedPropertyTransform *prop = nullptr;
if (!animatedProperies.contains(decl.d->property))
animatedProperies[decl.d->property] = QSvgAbstractAnimatedProperty::createAnimatedProperty(decl.d->property);
prop = static_cast<QSvgAnimatedPropertyTransform *>(animatedProperies[decl.d->property]);
prop->appendKeyFrame(ruleSet.keyFrame);
updateTransformProperty(decl, prop);
} else if (decl.d->property == QStringLiteral("fill-opacity") || decl.d->property == QStringLiteral("stroke-opacity")
|| decl.d->property == QStringLiteral("opacity")) {
QSvgAnimatedPropertyFloat *prop = nullptr;
if (!animatedProperies.contains(decl.d->property))
animatedProperies[decl.d->property] = QSvgAbstractAnimatedProperty::createAnimatedProperty(decl.d->property);
prop = static_cast<QSvgAnimatedPropertyFloat *>(animatedProperies[decl.d->property]);
prop->appendKeyFrame(ruleSet.keyFrame);
QString opacity = decl.d->values.first().toString();
prop->appendValue(opacity.toDouble());
}
}
}
for (auto it = animatedProperies.begin(); it != animatedProperies.end(); it++)
animation->appendProperty(it.value());
return animation;
}
void QSvgCssHandler::updateColorProperty(const QCss::Declaration &decl, QSvgAnimatedPropertyColor *property)
{
QString colorStr = decl.d->values.first().toString();
QColor color = QColor::fromString(colorStr);
property->appendColor(color);
}
void QSvgCssHandler::updateTransformProperty(const QCss::Declaration &decl, QSvgAnimatedPropertyTransform *property)
{
for (QCss::Value val : decl.d->values) {
if (val.type == QCss::Value::Function) {
QStringList lst = val.variant.toStringList();
QStringView transformType = lst[0];
QStringList args = lst[1].split(QStringLiteral(","), Qt::SkipEmptyParts);
if (transformType == QStringLiteral("scale")) {
qreal scale0 = QSvgUtils::toDouble(args[0].trimmed());
qreal scale1 = QSvgUtils::toDouble(args[1].trimmed());
property->appendScale(QPointF(scale0, scale1));
} else if (transformType == QStringLiteral("translate")) {
QSvgUtils::LengthType type;
qreal translate0 = QSvgUtils::parseLength(args[0], &type);
translate0 = QSvgUtils::convertToPixels(translate0, false, type);
qreal translate1 = QSvgUtils::parseLength(args[1], &type);
translate1 = QSvgUtils::convertToPixels(translate1, false, type);
property->appendTranslation(QPointF(translate0, translate1));
} else if (transformType == QStringLiteral("rotate")) {
qreal rotationAngle = qsvg_parseAngle(args[0]);
property->appendRotation(rotationAngle);
property->appendCenterOfRotation(QPointF(0, 0));
} else if (transformType == QStringLiteral("skew")) {
qreal skew0 = qsvg_parseAngle(args[0]);
qreal skew1 = qsvg_parseAngle(args[1]);
property->appendSkew(QPointF(skew0, skew1));
} else if (transformType == QStringLiteral("matrix")) {
QSvgUtils::LengthType type;
qreal translate0 = QSvgUtils::parseLength(args[4], &type);
translate0 = QSvgUtils::convertToPixels(translate0, false, type);
qreal translate1 = QSvgUtils::parseLength(args[5], &type);
translate1 = QSvgUtils::convertToPixels(translate1, false, type);
qreal scale0 = QSvgUtils::toDouble(args[0].trimmed());
qreal scale1 = QSvgUtils::toDouble(args[3].trimmed());
qreal skew0 = QSvgUtils::toDouble((args[1].trimmed()));
qreal skew1 = QSvgUtils::toDouble((args[2].trimmed()));
property->appendSkew(QPointF(skew0, skew1));
property->appendTranslation(QPointF(translate0, translate1));
property->appendScale(QPointF(scale0, scale1));
}
}
}
}
QT_END_NAMESPACE
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