mirror of
https://github.com/YACReader/yacreader
synced 2025-07-17 20:44:32 -04:00
modificado el script de mac os x para generar un .dmg
This commit is contained in:
Luis Ángel San Martín
373
YACReader/goto_flow.cpp
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373
YACReader/goto_flow.cpp
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@ -0,0 +1,373 @@
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#include "goto_flow.h"
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#include "configuration.h"
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#include "comic.h"
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#include "custom_widgets.h"
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#include <QVBoxLayout>
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#include <QSize>
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#include <QImage>
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#include <QLabel>
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#include <QPushButton>
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#include <QMutex>
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#include <QCoreApplication>
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/*#define WIDTH 126
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#define HEIGHT 200*/
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QMutex mutexGoToFlow;
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GoToFlow::GoToFlow(QWidget *parent,PictureFlow::FlowType flowType)
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:QWidget(parent),ready(false)
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{
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updateTimer = new QTimer;
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connect(updateTimer, SIGNAL(timeout()), this, SLOT(updateImageData()));
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worker = new PageLoader;
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QVBoxLayout * layout = new QVBoxLayout(this);
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flow = new YACReaderFlow(this,flowType);
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flow->setReflectionEffect(PictureFlow::PlainReflection);
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imageSize = Configuration::getConfiguration().getGotoSlideSize();
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flow->setSlideSize(imageSize);
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connect(flow,SIGNAL(centerIndexChanged(int)),this,SLOT(setPageNumber(int)));
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connect(flow,SIGNAL(selected(unsigned int)),this,SLOT(goTo()));
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QHBoxLayout * bottom = new QHBoxLayout(this);
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bottom->addStretch();
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bottom->addWidget(new QLabel(tr("Page : "),this));
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bottom->addWidget(edit = new QLineEdit(this));
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v = new QIntValidator(this);
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v->setBottom(1);
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edit->setValidator(v);
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edit->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
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edit->setFixedWidth(40);
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edit->setSizePolicy(QSizePolicy(QSizePolicy::Fixed,QSizePolicy::Minimum));
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centerButton = new QPushButton(this);
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centerButton->setIcon(QIcon(":/images/center.png"));
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connect(centerButton,SIGNAL(clicked()),this,SLOT(centerSlide()));
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bottom->addWidget(centerButton);
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goToButton = new QPushButton(this);
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goToButton->setIcon(QIcon(":/images/goto.png"));
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connect(goToButton,SIGNAL(clicked()),this,SLOT(goTo()));
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bottom->addWidget(goToButton);
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bottom->addStretch();
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layout->addWidget(flow);
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layout->addLayout(bottom);
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layout->setStretchFactor(flow,1);
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layout->setStretchFactor(bottom,0);
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layout->setMargin(0);
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layout->setSpacing(0);
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setLayout(layout);
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this->setAutoFillBackground(true);
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resize(static_cast<int>(5*imageSize.width()),static_cast<int>(imageSize.height()*1.7));
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//install eventFilter
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//flow->installEventFilter(this);
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edit->installEventFilter(this);
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centerButton->installEventFilter(this);
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goToButton->installEventFilter(this);
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connect(edit,SIGNAL(returnPressed()),goToButton,SIGNAL(clicked()));
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this->setCursor(QCursor(Qt::ArrowCursor));
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}
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void GoToFlow::goTo()
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{
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//emit(goToPage(flow->centerIndex()+1));
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emit(goToPage(edit->text().toInt()));
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}
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void GoToFlow::setPageNumber(int page)
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{
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edit->setText(QString::number(page+1));
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}
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void GoToFlow::centerSlide()
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{
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int page = edit->text().toInt()-1;
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int distance = flow->centerIndex()-page;
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if(abs(distance)>10)
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{
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if(distance<0)
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flow->setCenterIndex(flow->centerIndex()+(-distance)-10);
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else
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flow->setCenterIndex(flow->centerIndex()-distance+10);
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}
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flow->showSlide(page);
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}
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void GoToFlow::centerSlide(int slide)
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{
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if(flow->centerIndex()!=slide)
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{
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flow->setCenterIndex(slide);
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if(ready)// load images if pages are loaded.
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{
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//worker->reset(); //BUG FIXED : image didn't load if worker was working
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preload();
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}
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}
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}
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void GoToFlow::setNumSlides(unsigned int slides)
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{
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// numPagesLabel->setText(tr("Total pages : ")+QString::number(slides));
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// numPagesLabel->adjustSize();
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imagesReady.clear();
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imagesReady.fill(false,slides);
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rawImages.clear();
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rawImages.resize(slides);
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v->setTop(slides);
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SlideInitializer * si = new SlideInitializer(flow,slides);
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imagesLoaded.clear();
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imagesLoaded.fill(false,slides);
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imagesSetted.clear();
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imagesSetted.fill(false,slides);
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numImagesLoaded = 0;
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connect(flow, SIGNAL(centerIndexChanged(int)), this, SLOT(preload()));
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ready = true;
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worker->reset();
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si->start();
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}
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void GoToFlow::reset()
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{
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updateTimer->stop();
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/*imagesLoaded.clear();
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numImagesLoaded = 0;
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imagesReady.clear();
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rawImages.clear();*/
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ready = false;
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}
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void GoToFlow::setImageReady(int index,const QByteArray & image)
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{
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rawImages[index]=image;
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imagesReady[index]=true;
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preload();
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}
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void GoToFlow::preload()
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{
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if(numImagesLoaded < imagesLoaded.size())
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updateTimer->start(30); //TODO comprobar rendimiento, antes era 70
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}
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void GoToFlow::updateImageData()
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{
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// can't do anything, wait for the next possibility
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if(worker->busy())
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return;
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// set image of last one
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int idx = worker->index();
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if( idx >= 0 && !worker->result().isNull())
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{
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if(!imagesSetted[idx])
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{
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flow->setSlide(idx, worker->result());
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imagesSetted[idx] = true;
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numImagesLoaded++;
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rawImages[idx].clear();; //release memory
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}
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}
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// try to load only few images on the left and right side
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// i.e. all visible ones plus some extra
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#define COUNT 8
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int indexes[2*COUNT+1];
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int center = flow->centerIndex();
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indexes[0] = center;
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for(int j = 0; j < COUNT; j++)
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{
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indexes[j*2+1] = center+j+1;
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indexes[j*2+2] = center-j-1;
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}
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for(int c = 0; c < 2*COUNT+1; c++)
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{
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int i = indexes[c];
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if((i >= 0) && (i < flow->slideCount()))
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if(!imagesLoaded[i]&&imagesReady[i])//slide(i).isNull())
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{
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// schedule thumbnail generation
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imagesLoaded[i]=true;
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worker->generate(i, flow->slideSize(),rawImages[i]);
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return;
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}
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}
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// no need to generate anything? stop polling...
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updateTimer->stop();
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}
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bool GoToFlow::eventFilter(QObject *target, QEvent *event)
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{
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if (event->type() == QEvent::KeyPress)
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{
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QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
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int key = keyEvent->key();
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if((key==Qt::Key_Return)||
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(key==Qt::Key_Enter)||
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(key==Qt::Key_Space)||
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(key==Qt::Key_Left)||
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(key==Qt::Key_Right)||
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(key==Qt::Key_S))
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this->keyPressEvent(keyEvent);
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}
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return QWidget::eventFilter(target, event);
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}
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void GoToFlow::keyPressEvent(QKeyEvent* event)
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{
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switch (event->key())
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{
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case Qt::Key_Return: case Qt::Key_Enter:
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goTo();
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centerSlide();
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break;
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case Qt::Key_Space:
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centerSlide();
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break;
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case Qt::Key_S:
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QCoreApplication::sendEvent(this->parent(),event);
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break;
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case Qt::Key_Left: case Qt::Key_Right:
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QCoreApplication::sendEvent(flow,event);
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}
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event->accept();
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}
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void GoToFlow::wheelEvent(QWheelEvent * event)
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{
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if(event->delta()<0)
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flow->showNext();
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else
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flow->showPrevious();
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event->accept();
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}
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void GoToFlow::setFlowType(PictureFlow::FlowType flowType)
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{
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flow->setFlowType(flowType);
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}
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void GoToFlow::updateSize() //TODO : fix. it doesn't work.
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{
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imageSize = Configuration::getConfiguration().getGotoSlideSize();
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flow->setSlideSize(imageSize);
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resize(static_cast<int>(5*imageSize.width()),static_cast<int>(imageSize.height()*1.7));
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}
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//-----------------------------------------------------------------------------
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//SlideInitializer
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//-----------------------------------------------------------------------------
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SlideInitializer::SlideInitializer(PictureFlow * flow,int slides)
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:QThread(),_flow(flow),_slides(slides)
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{
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}
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void SlideInitializer::run()
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{
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mutexGoToFlow.lock();
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_flow->clear();
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for(int i=0;i<_slides;i++)
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_flow->addSlide(QImage());
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_flow->setCenterIndex(0);
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mutexGoToFlow.unlock();
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}
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//-----------------------------------------------------------------------------
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//PageLoader
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//-----------------------------------------------------------------------------
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PageLoader::PageLoader():
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QThread(), restart(false), working(false), idx(-1)
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{
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}
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PageLoader::~PageLoader()
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{
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mutexGoToFlow.lock();
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condition.wakeOne();
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mutexGoToFlow.unlock();
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wait();
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}
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bool PageLoader::busy() const
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{
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return isRunning() ? working : false;
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}
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void PageLoader::generate(int index, QSize size,const QByteArray & rImage)
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{
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mutexGoToFlow.lock();
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this->idx = index;
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//this->img = QImage();
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this->size = size;
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this->rawImage = rImage;
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mutexGoToFlow.unlock();
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if (!isRunning())
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start();
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else
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{
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// already running, wake up whenever ready
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restart = true;
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condition.wakeOne();
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}
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}
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void PageLoader::run()
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{
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for(;;)
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{
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// copy necessary data
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mutexGoToFlow.lock();
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this->working = true;
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//int idx = this->idx;
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QImage image;
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image.loadFromData(this->rawImage);
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// let everyone knows it is ready
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image = image.scaled(this->size,Qt::KeepAspectRatio,Qt::SmoothTransformation);
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mutexGoToFlow.unlock();
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mutexGoToFlow.lock();
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this->working = false;
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this->img = image;
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mutexGoToFlow.unlock();
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// put to sleep
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mutexGoToFlow.lock();
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if (!this->restart)
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condition.wait(&mutexGoToFlow);
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restart = false;
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mutexGoToFlow.unlock();
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}
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}
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