void ImageViewer::fitWidth() {
if(mIsDisplaying) {
float scale = (float)width() * devicePixelRatioF() / mSourceSize.width();
if(!expandImage && scale > 1.0f) {
fitNormal();
} else {
setScale(scale);
centerImage();
if(drawingRect.height() > height()*devicePixelRatioF())
drawingRect.moveTop(0);
update();
}
} else {
centerImage();
}
}
void PreviewWidget::previewLatex(const QPixmap& previewImage){
preViewer->setPixmap(previewImage);
preViewer->adjustSize();
pvscaleFactor=1.0;
if (mFit) fitImage(true);
if (mCenter) centerImage(true);
}
void PiqslImageView::setSelectedImage(const QModelIndexList& indexes)
{
if(m_image)
disconnect(m_image.data(), 0, this, 0);
if(indexes.empty())
{
// m_image.reset();
update();
return;
}
int prevWidth = 0;
int prevHeight = 0;
if(m_image)
{
prevWidth = m_image->frameWidth();
prevHeight = m_image->frameHeight();
}
m_image = indexes[0].data().value<QSharedPointer<CqImage> >();
if(prevWidth > 0 && m_image->frameWidth() > 0)
{
// Keep the center of the image in the same place when switching to an
// image of different dimensions.
m_tlPos += 0.5f*QPointF(prevWidth - m_image->frameWidth(),
prevHeight - m_image->frameHeight());
}
else
centerImage();
connect(m_image.data(), SIGNAL(updated(int,int,int,int)),
this, SLOT(imageUpdated(int,int,int,int)));
connect(m_image.data(), SIGNAL(resized()), this, SLOT(imageResized()));
update();
}
void PiqslImageView::keyPressEvent(QKeyEvent* event)
{
if(event->key() == Qt::Key_H)
centerImage();
else
event->ignore();
}
/**
* Resizes the image so that the resulting sheet has a new size and the image
* content is zoomed to fit best into the sheet, while keeping it's aspect ration.
*
* @param w the new width to resize to
* @param h the new height to resize to
*/
void resize(int w, int h, struct IMAGE* image) {
struct IMAGE newimage;
int ww;
int hh;
float wRat;
float hRat;
if (verbose >= VERBOSE_NORMAL) {
printf("resizing %dx%d -> %dx%d\n", image->width, image->height, w, h);
}
wRat = (float)w / image->width;
hRat = (float)h / image->height;
if (wRat < hRat) { // horizontally more shrinking/less enlarging is needed: fill width fully, adjust height
ww = w;
hh = image->height * w / image->width;
} else if (hRat < wRat) {
ww = image->width * h / image->height;
hh = h;
} else { // wRat == hRat
ww = w;
hh = h;
}
stretch(ww, hh, image);
initImage(&newimage, w, h, image->bitdepth, image->color, image->background);
centerImage(image, 0, 0, w, h, &newimage);
replaceImage(image, &newimage);
}
void ImageViewer::fitWindow() {
if(mIsDisplaying) {
bool h = mSourceSize.height() <= height() * devicePixelRatioF();
bool w = mSourceSize.width() <= width() * devicePixelRatioF();
// source image fits entirely
if(h && w && !expandImage) {
fitNormal();
return;
} else { // doesnt fit
setScale(expandImage?fitWindowScale:minScale);
centerImage();
update();
}
} else {
centerImage();
}
}
void ImageViewer::fitNormal() {
if(!mIsDisplaying) {
return;
}
setScale(1.0);
centerImage();
if(drawingRect.height() > height() * devicePixelRatioF()) {
drawingRect.moveTop(0);
}
update();
}
bool TribotsTools::ScrollImageWidget::qt_invoke( int _id, QUObject* _o )
{
switch ( _id - staticMetaObject()->slotOffset() ) {
case 0: setImage((const Image&)*((const Image*)static_QUType_ptr.get(_o+1))); break;
case 1: setImage((const ImageBuffer&)*((const ImageBuffer*)static_QUType_ptr.get(_o+1))); break;
case 2: centerImage(); break;
case 3: mousePressEvent((QMouseEvent*)static_QUType_ptr.get(_o+1)); break;
case 4: mouseMoveEvent((QMouseEvent*)static_QUType_ptr.get(_o+1)); break;
case 5: keyPressEvent((QKeyEvent*)static_QUType_ptr.get(_o+1)); break;
default:
return QScrollView::qt_invoke( _id, _o );
}
return TRUE;
}
void ImageView::resizeImage()
{
static bool busy = false;
if (busy || (!imageLabel->pixmap() && !anim))
return;
busy = true;
imageLabel->setVisible(false);
QSize imgSize = isAnimation? anim->currentPixmap().size() : imageLabel->pixmap()->size();
if (tempDisableResize) {
imgSize.scale(calcZoom(imgSize.width()), calcZoom(imgSize.height()), Qt::KeepAspectRatio);
} else {
switch(GData::zoomInFlags) {
case Disable:
if (imgSize.width() < size().width() && imgSize.height() < size().height())
imgSize.scale(calcZoom(imgSize.width()), calcZoom(imgSize.height()),
Qt::KeepAspectRatio);
break;
case WidthNHeight:
if (imgSize.width() < size().width() && imgSize.height() < size().height())
imgSize.scale(calcZoom(size().width()), calcZoom(size().height()),
Qt::KeepAspectRatio);
break;
case Width:
if (imgSize.width() < size().width())
imgSize.scale(calcZoom(size().width()),
calcZoom(getHeightByWidth(imgSize.width(), imgSize.height(), size().width())),
Qt::KeepAspectRatio);
break;
case Height:
if (imgSize.height() < size().height())
imgSize.scale(calcZoom(getWidthByHeight(imgSize.height(), imgSize.width(),
size().height())), calcZoom(size().height()), Qt::KeepAspectRatio);
break;
case Disprop:
int newWidth = imgSize.width(), newHeight = imgSize.height();
if (newWidth < size().width())
newWidth = size().width();
if (newHeight < size().height())
newHeight = size().height();
imgSize.scale(calcZoom(newWidth), calcZoom(newHeight), Qt::IgnoreAspectRatio);
break;
}
switch(GData::zoomOutFlags) {
case Disable:
if (imgSize.width() >= size().width() || imgSize.height() >= size().height())
imgSize.scale(calcZoom(imgSize.width()), calcZoom(imgSize.height()),
Qt::KeepAspectRatio);
break;
case WidthNHeight:
if (imgSize.width() >= size().width() || imgSize.height() >= size().height())
imgSize.scale(calcZoom(size().width()), calcZoom(size().height()),
Qt::KeepAspectRatio);
break;
case Width:
if (imgSize.width() > size().width())
imgSize.scale(calcZoom(size().width()),
calcZoom(getHeightByWidth(imgSize.width(), imgSize.height(), size().width())),
Qt::KeepAspectRatio);
break;
case Height:
if (imgSize.height() > size().height())
imgSize.scale(calcZoom(getWidthByHeight(imgSize.height(), imgSize.width(),
size().height())),
calcZoom(size().height()), Qt::KeepAspectRatio);
break;
case Disprop:
int newWidth = imgSize.width(), newHeight = imgSize.height();
if (newWidth > size().width())
newWidth = size().width();
if (newHeight > size().height())
newHeight = size().height();
imgSize.scale(calcZoom(newWidth), calcZoom(newHeight), Qt::IgnoreAspectRatio);
break;
}
}
imageLabel->setFixedSize(imgSize);
imageLabel->setVisible(true);
centerImage(imgSize);
busy = false;
}
void PiqslImageView::imageResized()
{
centerImage();
}
