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     2 **

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

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

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    16 ** GNU Lesser General Public License Usage

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

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    38 ** $QT_END_LICENSE$

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

    41 

    42 #include <QtGui>

    43 #include <QtSvg>

    44 

    45 #include "window.h"

    46 #include "svgtextobject.h"

    47 

    48 Window::Window()

    49 {

    50     setupGui();

    51     setupTextObject();

    52 

    53     setWindowTitle("Text Object Example");

    54 }

    55 

    56 //![1]

    57 void Window::insertTextObject()

    58 {

    59     QString fileName = fileNameLineEdit->text();

    60     QFile file(fileName);

    61     if (!file.open(QIODevice::ReadOnly)) {

    62         QMessageBox::warning(this, tr("Error Opening File"),

    63                              tr("Could not open '%1'").arg(fileName));

    64     }

    65 

    66     QByteArray svgData = file.readAll();

    67 //![1]

    68 

    69 //![2]

    70     QTextCharFormat svgCharFormat;

    71     svgCharFormat.setObjectType(SvgTextFormat);

    72     QSvgRenderer renderer(svgData);

    73 

    74     QImage svgBufferImage(renderer.defaultSize(), QImage::Format_ARGB32);

    75     QPainter painter(&svgBufferImage);

    76     renderer.render(&painter, svgBufferImage.rect());

    77 

    78     svgCharFormat.setProperty(SvgData, svgBufferImage);

    79 

    80     QTextCursor cursor = textEdit->textCursor();

    81     cursor.insertText(QString(QChar::ObjectReplacementCharacter), svgCharFormat);

    82     textEdit->setTextCursor(cursor);

    83 }

    84 //![2]

    85 

    86 //![3]

    87 void Window::setupTextObject()

    88 {

    89     QObject *svgInterface = new SvgTextObject;

    90     textEdit->document()->documentLayout()->registerHandler(SvgTextFormat, svgInterface);

    91 }

    92 //![3]

    93 

    94 void Window::setupGui()

    95 {

    96     fileNameLabel = new QLabel(tr("Svg File Name:"));

    97     fileNameLineEdit = new QLineEdit;

    98     insertTextObjectButton = new QPushButton(tr("Insert Image"));

    99 

   100     fileNameLineEdit->setText("./files/heart.svg");

   101     connect(insertTextObjectButton, SIGNAL(clicked()),

   102             this, SLOT(insertTextObject()));

   103 

   104     QHBoxLayout *bottomLayout = new QHBoxLayout;

   105     bottomLayout->addWidget(fileNameLabel);

   106     bottomLayout->addWidget(fileNameLineEdit);

   107     bottomLayout->addWidget(insertTextObjectButton);

   108 

   109     textEdit = new QTextEdit;

   110 

   111     QVBoxLayout *mainLayout = new QVBoxLayout;

   112     mainLayout->addWidget(textEdit);

   113     mainLayout->addLayout(bottomLayout);

   114 

   115     setLayout(mainLayout);

   116 }

   117