C++ (Cpp) DImg::copyQImage示例

示例#1

QImage DImg::copyQImage(int x, int y, int w, int h) const
{
    if (isNull())
    {
        return QImage();
    }

    DImg img = copy(x, y, w, h);

    if (img.sixteenBit())
    {
        img.convertDepth(32);
    }

    return img.copyQImage();
}

示例#2

文件： canvas.cpp 项目： rickysarraf/digikam

void Canvas::slotCopy()
{
    QRect sel = d->core->getSelectedArea();

    if (sel.size().isNull())   // No current selection.
    {
        return;
    }

    QApplication::setOverrideCursor(Qt::WaitCursor);

    DImg selDImg              = d->core->getImgSelection();
    QImage selImg             = selDImg.copyQImage();
    QMimeData* const mimeData = new QMimeData();
    mimeData->setImageData(selImg);
    QApplication::clipboard()->setMimeData(mimeData, QClipboard::Clipboard);

    QApplication::restoreOverrideCursor();
}

示例#3

文件： paniconwidget.cpp 项目： rosedu/digikam

void PanIconWidget::setImage(int previewWidth, int previewHeight, const DImg& image)
{
    DImg img = DImg(image).smoothScale(previewWidth, previewHeight, Qt::KeepAspectRatio);
    setImage(img.copyQImage(), image.size());
}