void ImageDocument::setContents(const ImageContents &contents)
{
Q_D(ImageDocument);
if (contents.isNull()) {
clear();
return;
}
const auto header = contents.header();
d->type = header.type();
d->size = header.size();
d->imageFormat = header.imageFormat();
d->imageCount = header.imageCount();
d->mipmapCount = header.mipmapCount();
d->frameDelay = header.frameDelay();
d->loopCount = header.loopCount();
for (int index = 0; index < d->imageCount; ++index) {
for (int level = 0; level < d->mipmapCount; ++level) {
auto image = contents.image(index, level);
std::unique_ptr<ImageDocumentItem> item(new ImageDocumentItem(this));
item->setSize(image.size());
item->setImage(image);
d->items[ImageDocumentPrivate::ImageIndex(index, level)] = std::move(item);
}
}
emit contentsChanged();
}
bool jumpToImage( int index ) override {
if( index < imageCount() ) {
frame = index;
return true;
}
return false;
}
bool FlifHandler::read( QImage *img_pointer ) {
//Read data on first frame
if( !loaded() ) {
auto data = device()->readAll();
if( !decoder.decodeMemory( data.constData(), data.size() ) )
return false;
}
frame++;
if( imageCount() <= frame )
return false;
auto img = decoder.getImage( frame );
QImage out( img.getWidth(), img.getHeight(), QImage::Format_ARGB32 );
auto buffer = std::make_unique<uint8_t[]>( out.width() * 4 );
for( int iy=0; iy<out.height(); iy++ ) {
img.readRowRgba8( iy, buffer.get(), out.width() * 4 );
auto line = (QRgb*)out.scanLine( iy );
for( int ix=0; ix<out.width(); ix++ )
line[ix] = qRgba( buffer[ix*4+0], buffer[ix*4+1], buffer[ix*4+2], buffer[ix*4+3] );
}
lastImageDelay = img.getFrameDelay();
*img_pointer = out;
return true;
}
void timerEvent(QTimerEvent*)
{
QImage img = read();
int delay = 0;
if ( img.isNull() ) {
setFileName(fileName()); // XXX restart
} else {
QRegion r(0,0,qt_screen->width(),qt_screen->height());
qt_screen->blit(img,QPoint(0,0),r);
qt_screen->exposeRegion(r,1);
if ( imageCount() == 1 )
return;
struct timeval now;
gettimeofday(&now,0);
int period = nextImageDelay();
delay = period -
((now.tv_sec-last.tv_sec)*1000+(now.tv_usec-last.tv_usec)/1000);
last.tv_sec += period/1000;
last.tv_usec += (period%1000)*1000;
if ( delay < 0 )
delay = 0;
}
timer.start(delay,this);
}
QImage ImageContents::image(int index, int level) const
{
if (index < 0 || index >= imageCount())
return QImage();
if (level < 0 || level >= mipmapCount())
return QImage();
return d->images.value(ImageContentsData::ImageIndex(index, level));
}
void TargetButton::updateButtonText() {
setText(QString("%1 (%2)").arg(name()).arg(imageCount()));
}
