File indexing completed on 2024-06-23 04:27:03

 /* This file is part of the KDE project
  * SPDX-FileCopyrightText: 2007 Jan Hambrecht <jaham@gmx.net>
  *
  * SPDX-License-Identifier: LGPL-2.0-or-later
  */
 
 #include "EnhancedPathParameter.h"
 #include "EnhancedPathFormula.h"
 #include "EnhancedPathShape.h"
 #include <KoShapeBackground.h>
 #include <KoUnit.h>
 #include <math.h>
 
 QString identifierData[] = {
     "",          // IdentifierUnknown
     "pi",        // IdentifierPi
     "left",      // IdentifierLeft
     "top",       // IdentifierTop
     "right",     // IdentifierRight
     "bottom",    // IdentifierBottom
     "xstretch",  // IdentifierXstretch
     "ystretch",  // IdentifierYstretch
     "hasstroke", // IdentifierHasStroke
     "hasfill",   // IdentifierHasFill
     "width",     // IdentifierWidth
     "height",    // IdentifierHeight
     "logwidth",  // IdentifierLogwidth
     "logheight"  // IdentifierLogheight
 };
 
 EnhancedPathParameter::EnhancedPathParameter(EnhancedPathShape *parent)
     : m_parent(parent)
 {
     Q_ASSERT(m_parent);
 }
 
 EnhancedPathParameter::~EnhancedPathParameter()
 {
 }
 
 EnhancedPathShape *EnhancedPathParameter::parent()
 {
     return m_parent;
 }
 
 qreal EnhancedPathParameter::evaluate()
 {
     return 0.0;
 }
 
 void EnhancedPathParameter::modify(qreal value)
 {
     Q_UNUSED(value);
 }
 
 EnhancedPathConstantParameter::EnhancedPathConstantParameter(qreal value, EnhancedPathShape *parent)
     : EnhancedPathParameter(parent)
     , m_value(value)
 {
 }
 
 qreal EnhancedPathConstantParameter::evaluate()
 {
     return m_value;
 }
 
 QString EnhancedPathConstantParameter::toString() const
 {
     return QString::number(m_value);
 }
 
 EnhancedPathNamedParameter::EnhancedPathNamedParameter(Identifier identifier, EnhancedPathShape *parent)
     : EnhancedPathParameter(parent)
     , m_identifier(identifier)
 {
 }
 
 EnhancedPathNamedParameter::EnhancedPathNamedParameter(const QString &identifier, EnhancedPathShape *parent)
     : EnhancedPathParameter(parent)
 {
     m_identifier = identifierFromString(identifier);
 }
 
 qreal EnhancedPathNamedParameter::evaluate()
 {
     const QRect &viewBox = parent()->viewBox();
 
     switch (m_identifier) {
     case IdentifierPi:
         return M_PI;
         break;
     case IdentifierLeft:
         return viewBox.left();
         break;
     case IdentifierTop:
         return viewBox.top();
         break;
     case IdentifierRight:
         return viewBox.right();
         break;
     case IdentifierBottom:
         return viewBox.bottom();
         break;
     case IdentifierXstretch:
         break;
     case IdentifierYstretch:
         break;
     case IdentifierHasStroke:
         return parent()->stroke() ? 1.0 : 0.0;
         break;
     case IdentifierHasFill:
         return parent()->background() ? 0.0 : 1.0;
         break;
     case IdentifierWidth:
         return viewBox.width();
         break;
     case IdentifierHeight:
         return viewBox.height();
         break;
     case IdentifierLogwidth:
         // TODO: ? viewBox does not have any unit or const relation to mm
         return KoUnit(KoUnit::Millimeter).toUserValue(viewBox.width()) * 100;
         break;
     case IdentifierLogheight:
         // TODO: ? viewBox does not have any unit or const relation to mm
         return KoUnit(KoUnit::Millimeter).toUserValue(viewBox.height()) * 100;
         break;
     default:
         break;
     }
     return 0.0;
 }
 
 Identifier EnhancedPathNamedParameter::identifierFromString(const QString &text)
 {
     if (text.isEmpty()) {
         return IdentifierUnknown;
     } else if (text == "pi") {
         return IdentifierPi;
     } else if (text == "left") {
         return IdentifierLeft;
     } else if (text == "top") {
         return IdentifierTop;
     } else if (text == "right") {
         return IdentifierRight;
     } else if (text == "bottom") {
         return IdentifierBottom;
     } else if (text == "xstretch") {
         return IdentifierXstretch;
     } else if (text == "ystretch") {
         return IdentifierYstretch;
     } else if (text == "hasstroke") {
         return IdentifierHasStroke;
     } else if (text == "hasfill") {
         return IdentifierHasFill;
     } else if (text == "width") {
         return IdentifierWidth;
     } else if (text == "height") {
         return IdentifierHeight;
     } else if (text == "logwidth") {
         return IdentifierLogwidth;
     } else if (text == "logheight") {
         return IdentifierLogheight;
     } else {
         return IdentifierUnknown;
     }
 }
 
 QString EnhancedPathNamedParameter::toString() const
 {
     return identifierData[m_identifier];
 }
 
 EnhancedPathReferenceParameter::EnhancedPathReferenceParameter(const QString &reference, EnhancedPathShape *parent)
     : EnhancedPathParameter(parent)
     , m_reference(reference)
 {
 }
 
 qreal EnhancedPathReferenceParameter::evaluate()
 {
     return parent()->evaluateReference(m_reference);
 }
 
 void EnhancedPathReferenceParameter::modify(qreal value)
 {
     parent()->modifyReference(m_reference, value);
 }
 
 QString EnhancedPathReferenceParameter::toString() const
 {
     return m_reference;
 }