void ScreeniePixmapItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (!d->itemTransformed && event->buttons() & Qt::RightButton) {
if (::fabs(d->initialPoint.x() - event->screenPos().x()) > ScreeniePixmapItemPrivate::ContextActionThreshold ||
::fabs(d->initialPoint.y() - event->screenPos().y()) > ScreeniePixmapItemPrivate::ContextActionThreshold) {
d->itemTransformed = true;
}
#ifdef DEBUG
else {
qDebug("ScreeniePixmapItem::mouseMoveEvent: within threshold point: %d, %d",
event->screenPos().x(),
event->screenPos().y());
}
#endif
} else {
d->itemTransformed = true;
}
if (d->itemTransformed) {
if (isInsidePixmap(event->pos()) && d->transformPixmap) {
transformPixmap(event);
} else if (!d->transformPixmap) {
changeReflection(event);
}
}
}
void UIImageViewer::loadImage(int i) {
QFile f;
QPixmap p;
QString filename;
if (!this->isVisible()) {
ui->image->clear();
show();
}
QLOG_TRACE() << "ImageViewer :: Loading image " << currentImage << "from" << imagesToDisplay.count();
rotation = 0;
if (imagesToDisplay.count() > i) {
filename = imagesToDisplay.value(i);
if (f.exists(filename)) {
f.setFileName(filename);
ui->statusbar->showMessage("Working...");
if (ui->image->movie() != 0) ui->image->movie()->stop();
if (filename.endsWith(".gif")) {
// Always assume gifs are animated -> therefore use QMovie for playback
QMovie *movie = new QMovie(filename);
ui->image->setMovie(movie);
movie->start();
ui->statusbar->showMessage("Loaded image " + filename, 2000);
ui->lCurrentImage->setText(QString("%1/%2").arg(currentImage+1).arg(imagesToDisplay.count()));
ui->lImageInfo->setText("");
}
else {
if (p.load(filename)) {
originalPixmap = p;
transformPixmap();
fitImage();
ui->statusbar->showMessage("Loaded image " + filename, 2000);
ui->lCurrentImage->setText(QString("%1/%2").arg(currentImage+1).arg(imagesToDisplay.count()));
ui->lImageInfo->setText(QString("Resolution: %1x%2, Size: %3kB")
.arg(originalPixmap.width())
.arg(originalPixmap.height())
.arg(f.size()/1024)
);
}
else {
QLOG_ERROR() << "ImageViewer :: Error loading image" << filename;
}
}
}
if (runSlideshow)
slideshowTimer->start();
}
}
void UIImageViewer::rotateCCW() {
rotation -= 90;
transformPixmap();
fitImage();
}
// private
void kpTransformPreviewDialog::updatePreview ()
{
#if DEBUG_KP_TRANSFORM_PREVIEW_DIALOG
qCDebug(kpLogDialogs) << "kpTransformPreviewDialog::updatePreview()";
#endif
if (!m_previewGroupBox)
return;
kpDocument *doc = document ();
if (!doc)
return;
if (!updatesEnabled ())
{
#if DEBUG_KP_TRANSFORM_PREVIEW_DIALOG
qCDebug(kpLogDialogs) << "updates not enabled - aborting";
#endif
return;
}
updateShrunkenDocumentPixmap ();
if (!m_shrunkenDocumentPixmap.isNull ())
{
QSize newDim = newDimensions ();
double keepsAspectScale = aspectScale (m_previewPixmapLabel->width (),
m_previewPixmapLabel->height (),
newDim.width (),
newDim.height ());
int targetWidth = scaleDimension (newDim.width (),
keepsAspectScale,
1, // min
m_previewPixmapLabel->width ()); // max
int targetHeight = scaleDimension (newDim.height (),
keepsAspectScale,
1, // min
m_previewPixmapLabel->height ()); // max
// TODO: Some effects work directly on QImage; so could cache the
// QImage so that transformPixmap() is faster
QImage transformedShrunkenDocumentPixmap =
transformPixmap (m_shrunkenDocumentPixmap, targetWidth, targetHeight);
QImage previewPixmap (m_previewPixmapLabel->width (),
m_previewPixmapLabel->height (), QImage::Format_ARGB32_Premultiplied);
previewPixmap.fill(QColor(Qt::transparent).rgba());
kpPixmapFX::setPixmapAt (&previewPixmap,
(previewPixmap.width () - transformedShrunkenDocumentPixmap.width ()) / 2,
(previewPixmap.height () - transformedShrunkenDocumentPixmap.height ()) / 2,
transformedShrunkenDocumentPixmap);
#if DEBUG_KP_TRANSFORM_PREVIEW_DIALOG
qCDebug(kpLogDialogs) << "kpTransformPreviewDialog::updatePreview ():"
<< " shrunkenDocumentPixmap: w="
<< m_shrunkenDocumentPixmap.width ()
<< " h="
<< m_shrunkenDocumentPixmap.height ()
<< " previewPixmapLabel: w="
<< m_previewPixmapLabel->width ()
<< " h="
<< m_previewPixmapLabel->height ()
<< " transformedShrunkenDocumentPixmap: w="
<< transformedShrunkenDocumentPixmap.width ()
<< " h="
<< transformedShrunkenDocumentPixmap.height ()
<< " previewPixmap: w="
<< previewPixmap.width ()
<< " h="
<< previewPixmap.height ()
<< endl;
#endif
m_previewPixmapLabel->setPixmap (QPixmap::fromImage(previewPixmap));
// immediate update esp. for expensive previews
m_previewPixmapLabel->repaint ();
#if DEBUG_KP_TRANSFORM_PREVIEW_DIALOG
qCDebug(kpLogDialogs) << "\tafter QLabel::setPixmap() previewPixmapLabel: w="
<< m_previewPixmapLabel->width ()
<< " h="
<< m_previewPixmapLabel->height ()
<< endl;
#endif
}
}
