domimage.cpp Example File

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  #include "domimage.h"

  #include <QVariant>

  #include <qscriptcontext.h>

  QScriptValue DomImage::s_self;

  DomImage::DomImage()
  {
  }

  int DomImage::width() const
  {
      return m_image.width();
  }

  int DomImage::height() const
  {
      return m_image.height();
  }

  QString DomImage::src() const
  {
      return m_src;
  }

  void DomImage::setSrc(const QString &src)
  {
      m_src = src;
      m_image = QImage(m_src);
  }

  QString DomImage::name() const
  {
      return m_src;
  }

  static QScriptValue Image(QScriptContext *context, QScriptEngine *env)
  {
      QScriptValue val = context->thisObject();
      DomImage *image = new DomImage();
      QScriptValue klass = env->newVariant(QVariant::fromValue(image));
      klass.setPrototype(DomImage::s_self);
      return klass;
  }

  static QScriptValue width(QScriptContext *context, QScriptEngine *)
  {
      QScriptValue val = context->thisObject();

      DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
      if (image)
          return image->width();

      return 0;
  }

  static QScriptValue height(QScriptContext *context, QScriptEngine *)
  {
      QScriptValue val = context->thisObject();

      DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
      if (image)
          return image->height();

      return 0;
  }

  static QScriptValue setSrc(QScriptContext *context, QScriptEngine *env)
  {
      QScriptValue val = context->thisObject();
      QString src  = context->argument(0).toString();

      DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
      if (image)
          image->setSrc(src);

      return env->undefinedValue();
  }

  static QScriptValue name(QScriptContext *context, QScriptEngine *)
  {
      QScriptValue val = context->thisObject();

      DomImage *image = qvariant_cast<DomImage*> (val.toVariant());
      if (image)
          return image->name();

      return QString();
  }

  void DomImage::setup(QScriptEngine *e)
  {
      qRegisterMetaType<DomImage>();

      e->globalObject().setProperty("Image",
                                    e->newFunction(::Image, 0));

      s_self = e->newObject();
      s_self.setProperty("setSrc", e->newFunction(&::setSrc, 1));
      s_self.setProperty("width", e->newFunction(&::width));
      s_self.setProperty("height", e->newFunction(&::height));
      s_self.setProperty("name", e->newFunction(&::name));

      e->setDefaultPrototype(qMetaTypeId<DomImage>(), s_self);
  }