1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the examples of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #include "domimage.h"

    43 

    44 #include <QVariant>

    45 

    46 #include <qscriptcontext.h>

    47 

    48 QScriptValue DomImage::s_self;

    49 

    50 DomImage::DomImage()

    51 {

    52 }

    53 

    54 

    55 int DomImage::width() const

    56 {

    57     return m_image.width();

    58 }

    59 

    60 

    61 int DomImage::height() const

    62 {

    63     return m_image.height();

    64 }

    65 

    66 

    67 QString DomImage::src() const

    68 {

    69     return m_src;

    70 }

    71 

    72 void DomImage::setSrc(const QString &src)

    73 {

    74     m_src = src;

    75     m_image = QImage(m_src);

    76 }

    77 

    78 

    79 QString DomImage::name() const

    80 {

    81     return m_src;

    82 }

    83 

    84 static QScriptValue Image(QScriptContext *context, QScriptEngine *env)

    85 {

    86     QScriptValue val = context->thisObject();

    87     DomImage *image = new DomImage();

    88     QScriptValue klass = env->newVariant(qVariantFromValue(image));

    89     klass.setPrototype(DomImage::s_self);

    90     return klass;

    91 }

    92 

    93 

    94 static QScriptValue width(QScriptContext *context, QScriptEngine *)

    95 {

    96     QScriptValue val = context->thisObject();

    97 

    98     DomImage *image = qvariant_cast<DomImage*> (val.toVariant());

    99     if (image)

   100         return image->width();

   101 

   102     return 0;

   103 }

   104 

   105 

   106 static QScriptValue height(QScriptContext *context, QScriptEngine *)

   107 {

   108     QScriptValue val = context->thisObject();

   109 

   110     DomImage *image = qvariant_cast<DomImage*> (val.toVariant());

   111     if (image)

   112         return image->height();

   113 

   114     return 0;

   115 }

   116 

   117 

   118 static QScriptValue setSrc(QScriptContext *context, QScriptEngine *env)

   119 {

   120     QScriptValue val = context->thisObject();

   121     QString src  = context->argument(0).toString();

   122 

   123     DomImage *image = qvariant_cast<DomImage*> (val.toVariant());

   124     if (image)

   125         image->setSrc(src);

   126 

   127     return env->undefinedValue();

   128 }

   129 

   130 

   131 static QScriptValue name(QScriptContext *context, QScriptEngine *)

   132 {

   133     QScriptValue val = context->thisObject();

   134 

   135     DomImage *image = qvariant_cast<DomImage*> (val.toVariant());

   136     if (image)

   137         return image->name();

   138 

   139     return QString();

   140 }

   141 

   142 

   143 void DomImage::setup(QScriptEngine *e)

   144 {

   145     qRegisterMetaType<DomImage>();

   146 

   147     e->globalObject().setProperty("Image",

   148                                   e->newFunction(::Image, 0));

   149 

   150     s_self = e->newObject();

   151     s_self.setProperty("setSrc", e->newFunction(&::setSrc, 1));

   152     s_self.setProperty("width", e->newFunction(&::width));

   153     s_self.setProperty("height", e->newFunction(&::height));

   154     s_self.setProperty("name", e->newFunction(&::name));

   155 

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

   157 }