kwqpixmap.h

khtml在gtk上的移植版本

/*
 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef QPIXMAP_H_
#define QPIXMAP_H_

#include "KWQPaintDevice.h"
#include "KWQColor.h"
#include "KWQString.h"
#include "KWQNamespace.h"
#include "KWQImage.h"
#include "KWQSize.h"
#include "KWQRect.h"
#include "KWQPainter.h"

typedef struct _GdkDrawable GdkPixmap;
typedef struct _GdkDrawable GdkBitmap;
typedef struct _GtkWidget GtkWidget;
typedef struct _GdkPixbufLoader GdkPixbufLoader;
typedef struct _GdkPixbuf GdkPixbuf;
class QPixmapPrivate;

class WebCoreImageRenderer;

class QWMatrix;

bool canRenderImageType(const QString &type);
QPixmap *KWQLoadPixmap(const char *name);

class QPixmap : public QPaintDevice, public Qt {
public:
    QPixmap();
    QPixmap(WebCoreImageRenderer* r);
    QPixmap(const QString &MIMEType);
    QPixmap(const QSize&);
    QPixmap(const QByteArray&);
    QPixmap(const QByteArray&, const QString& MIMEType);
    QPixmap(int, int);
    QPixmap(const QPixmap &);
    ~QPixmap();

    bool isNull() const;

    QSize size() const;
    QRect rect() const;
    int width() const;
    int height() const;
    void resize(const QSize &);
    void resize(int, int);

    QPixmap xForm(const QWMatrix &) const;
    QImage convertToImage() const { return QImage(); }

    bool mask() const;

    QPixmap &operator=(const QPixmap &);

    bool receivedData(const QByteArray &bytes, bool isComplete);
    void stopAnimations();

    void increaseUseCount() const;
    void decreaseUseCount() const;

    void flushRasterCache();
    WebCoreImageRenderer* image() const { return imageRenderer; }

private:

    mutable bool needCopyOnWrite;

    WebCoreImageRenderer* imageRenderer;

    QString MIMEType;

    friend class QPainter;
};

class QWMatrix {
public:
    QWMatrix() { xx=1;yx=1; }
    QWMatrix &scale(double x, double y) { xx=x;yx=y;return *this; }
    double xx, yx;
};

#endif