Cppcheck - HTML report - digiKam-master-rev-960d3ce42d

# Cppcheck report - digiKam-master-rev-960d3ce42d: ../../core/libs/dimg/dimg_copy.cpp

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    /* ============================================================
     *
     * This file is a part of digiKam project
     * https://www.digikam.org
     *
     * Date        : 2005-06-14
     * Description : digiKam 8/16 bits image management API.
     *               Copying operations.
     *
     * SPDX-FileCopyrightText: 2005-2026 by Gilles Caulier <caulier dot gilles at gmail dot com>
     * SPDX-FileCopyrightText: 2006-2013 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
     *
     * SPDX-License-Identifier: GPL-2.0-or-later
     *
     * ============================================================ */

    #include "dimg_p.h"

    namespace Digikam
    {

    DImg DImg::copy() const
    {
        DImg img(*this);
        img.detach();

        return img;
    }

    DImg DImg::copyImageData() const
    {
        DImg img(width(), height(), sixteenBit(), hasAlpha(), bits(), true);

        return img;
    }

    DImg DImg::copyMetaData() const
    {
        DImg img;

        // copy width, height, alpha, sixteenBit, null

        img.copyImageData(m_priv);

        // deeply copy metadata

        img.copyMetaData(m_priv);

        // set image to null

        img.m_priv->null = true;

        return img;
    }

    DImg DImg::copy(const QRect& rect) const
    {
        return copy(rect.x(),
                    rect.y(),
                    rect.width(),
                    rect.height());
    }

    DImg DImg::copy(const QRectF& rel) const
    {
        if (isNull() || !rel.isValid())
        {
            return DImg();
        }

        return copy(QRectF(rel.x()      * m_priv->width,
                           rel.y()      * m_priv->height,
                           rel.width()  * m_priv->width,
                           rel.height() * m_priv->height)
                    .toRect());
    }

    DImg DImg::copy(int x, int y, int w, int h) const
    {
        if (isNull() || (w <= 0) || (h <= 0))
        {
            qCDebug(DIGIKAM_DIMG_LOG) << " : return null image! ("
                                      << isNull() << ", " << w
                                      << ", " << h << ")";
            return DImg();
        }

        if (!clipped(x, y, w, h, m_priv->width, m_priv->height))
        {
            return DImg();
        }

        DImg image(*this, w, h);
        image.bitBltImage(this, x, y, w, h, 0, 0);

        return image;
    }

    /**
     * x,y, w x h is a section of the image. The image size is width x height.
     * Clips the section to the bounds of the image.
     * Returns if the (clipped) section is a valid rectangle.
     */
    bool DImg::clipped(int& x, int& y, int& w, int& h, uint width, uint height) const<--- Shadow argument<--- Shadow argument
    {
        QRect inner(x, y, w, h);
        QRect outer(0, 0, width, height);

        if (!outer.contains(inner))
        {
            QRect pt = inner.intersected(outer);
            x        = pt.x();
            y        = pt.y();
            w        = pt.width();
            h        = pt.height();

            return pt.isValid();
        }

        return inner.isValid();
    }

    } // namespace Digikam