/*
 * This file is part of the DOM implementation for KDE.
 *
 * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
 *           (C) 1999 Antti Koivisto (koivisto@kde.org)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */
#ifndef RENDER_IMAGE_H
#define RENDER_IMAGE_H

#include "html/dtd.h"
#include "html/html_elementimpl.h"
#include "rendering/render_replaced.h"
#include "dom/dom_string.h"

#include <QtCore/QMap>
#include <QPixmap>

namespace khtmlImLoad
{
class ImagePainter;
}

namespace khtml
{

class CachedObject;

class RenderImage : public RenderReplaced
{
public:
    RenderImage(DOM::NodeImpl *_element);
    virtual ~RenderImage();

    virtual const char *renderName() const
    {
        return "RenderImage";
    }
    virtual void paint(PaintInfo &i, int tx, int ty);

    virtual void layout();

    virtual void updatePixmap(const QRect &, CachedImage *);

    // don't even think about making these methods virtual!
    //QPixmap pixmap() const;
    DOM::HTMLElementImpl *element() const
    {
        return static_cast<DOM::HTMLElementImpl *>(RenderObject::element());
    }

    bool complete() const;

    CachedObject *contentObject()
    {
        return m_cachedImage;
    }
    void setContentObject(CachedObject *);

    // hook to keep RendeObject::m_inline() up to date
    virtual void setStyle(RenderStyle *style);
    virtual void updateFromElement();

    virtual bool nodeAtPoint(NodeInfo &info, int x, int y, int tx, int ty, HitTestAction hitTestAction, bool inside);

    bool isWidthSpecified() const;
    bool isHeightSpecified() const;

    short calcAspectRatioWidth() const;
    int   calcAspectRatioHeight() const;

    virtual short calcReplacedWidth() const;
    virtual int   calcReplacedHeight() const;

    virtual SelectionState selectionState() const
    {
        return KDE_CAST_BF_ENUM(SelectionState, m_selectionState);
    }
    virtual void setSelectionState(SelectionState s)
    {
        m_selectionState = s;
    }
#if 0
    virtual void caretPos(int offset, int flags, int &_x, int &_y, int &width, int &height) const;
#endif

private:
    void updateImage(CachedImage *new_image);
    /*
     * Cache for images that need resizing
     */
    //QPixmap resizeCache;

    // text to display as long as the image isn't available
    DOM::DOMString alt;

    CachedImage *m_cachedImage;
    khtmlImLoad::ImagePainter *m_imagePainter;

    bool berrorPic : 1;
    bool bUnfinishedImageFrame : 1;
    KDE_BF_ENUM(SelectionState) m_selectionState : 3; // FIXME: don't forget to enlarge this as the enum grows
};

} //namespace

#endif
