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#include <qdeclarativeextensionplugin.h>

#include <qdeclarativeengine.h>

#include <qdeclarative.h>

#include <qdeclarativeitem.h>

#include <qdeclarativeimageprovider.h>

#include <qdeclarativeview.h>

#include <QImage>

#include <QPainter>

//![0]

class ColorImageProvider : public QDeclarativeImageProvider

{

public:

    ColorImageProvider()

        : QDeclarativeImageProvider(QDeclarativeImageProvider::Pixmap)

    {

    }

    QPixmap requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)

    {

        int width = 100;

        int height = 50;

        if (size)

            *size = QSize(width, height);

        QPixmap pixmap(requestedSize.width() > 0 ? requestedSize.width() : width,

                       requestedSize.height() > 0 ? requestedSize.height() : height); 

        pixmap.fill(QColor(id).rgba());

//![0]

        // write the color name

        QPainter painter(&pixmap);

        QFont f = painter.font();

        f.setPixelSize(20);

        painter.setFont(f);

        painter.setPen(Qt::black);

        if (requestedSize.isValid())

            painter.scale(requestedSize.width() / width, requestedSize.height() / height);

        painter.drawText(QRectF(0, 0, width, height), Qt::AlignCenter, id);

//![1]

        return pixmap;

    }

};

//![1]

class ImageProviderExtensionPlugin : public QDeclarativeExtensionPlugin

{

    Q_OBJECT

public:

    void registerTypes(const char *uri)

    {

        Q_UNUSED(uri);

    }

    void initializeEngine(QDeclarativeEngine *engine, const char *uri)

    {

        Q_UNUSED(uri);

        engine->addImageProvider("colors", new ColorImageProvider);

    }

};

#include "imageprovider.moc"

Q_EXPORT_PLUGIN(ImageProviderExtensionPlugin);