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| ** |
| ** Copyright (C) 2018 The Qt Company Ltd. |
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| ** |
| ** This file is part of the lottie-qt module of the Qt Toolkit. |
| ** |
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| ****************************************************************************/ |
| |
| #include "bmshapetransform_p.h" |
| |
| #include <QJsonObject> |
| #include <QtMath> |
| |
| #include "bmconstants_p.h" |
| #include "bmbasictransform_p.h" |
| |
| BMShapeTransform::BMShapeTransform(const BMShapeTransform &other) |
| : BMBasicTransform(other) |
| { |
| m_skew = other.m_skew; |
| m_skewAxis = other.m_skewAxis; |
| m_shearX = other.m_shearX; |
| m_shearY = other.m_shearY; |
| m_shearAngle = other.m_shearAngle; |
| } |
| |
| BMShapeTransform::BMShapeTransform(const QJsonObject &definition, BMBase *parent) |
| { |
| setParent(parent); |
| construct(definition); |
| } |
| |
| BMBase *BMShapeTransform::clone() const |
| { |
| return new BMShapeTransform(*this); |
| } |
| |
| void BMShapeTransform::construct(const QJsonObject &definition) |
| { |
| BMBasicTransform::construct(definition); |
| |
| qCDebug(lcLottieQtBodymovinParser) << "BMShapeTransform::construct():" << BMShape::name(); |
| |
| QJsonObject skew = definition.value(QLatin1String("sk")).toObject(); |
| skew = resolveExpression(skew); |
| m_skew.construct(skew); |
| |
| QJsonObject skewAxis = definition.value(QLatin1String("sa")).toObject(); |
| skewAxis = resolveExpression(skewAxis); |
| m_skewAxis.construct(skewAxis); |
| } |
| |
| void BMShapeTransform::updateProperties(int frame) |
| { |
| BMBasicTransform::updateProperties(frame); |
| |
| m_skew.update(frame); |
| m_skewAxis.update(frame); |
| |
| double rads = qDegreesToRadians(m_skewAxis.value()); |
| m_shearX = qCos(rads); |
| m_shearY = qSin(rads); |
| double tan = qDegreesToRadians(-m_skew.value()); |
| m_shearAngle = qTan(tan); |
| } |
| |
| void BMShapeTransform::render(LottieRenderer &renderer) const |
| { |
| renderer.render(*this); |
| } |
| |
| qreal BMShapeTransform::skew() const |
| { |
| return m_skew.value(); |
| } |
| |
| qreal BMShapeTransform::skewAxis() const |
| { |
| return m_skewAxis.value(); |
| } |
| |
| qreal BMShapeTransform::shearX() const |
| { |
| return m_shearX; |
| } |
| |
| qreal BMShapeTransform::shearY() const |
| { |
| return m_shearY; |
| } |
| |
| qreal BMShapeTransform::shearAngle() const |
| { |
| return m_shearAngle; |
| } |