void VideoProgress::onLoadResource() {
const size_t numRes = sp.size();
if (sp[resourceLoadIndex].bind == ShaderParameter::BindTextureSampler) {
QImage image = QImage(sp[resourceLoadIndex].texture.c_str());
renderSurface->addTexture(sp[resourceLoadIndex].name, image);
}
if (++resourceLoadIndex == numRes) {
bar->setValue(0);
onNextFrame();
} else {
bar->setValue(resourceLoadIndex/float(numRes)*100);
QTimer::singleShot(0, this, SLOT(onLoadResource()));
}
}
//************************************
// Method: Load
// FullName: ResourceManager<T, deleter_type>::Load
// Access: public
// Returns: ptr_t
// Parameter: const std::string & key
// Returns a reference to the resource associated with the file name 'key' if it exists in memory.
// Otherwise it loads the texture into memory, and returns a reference to the the resource.
//************************************
T &Load(const std::string &key)
{
map_i i = m_map.find(key);
if(i != m_map.end())
return *i->second.get(); //return resource if exists
//else, load resource
ptr_t p(onLoadResource(key));
if(p.get() == NULL)
throw Exception("Error loading Image at " + key); //figure out better way to throw exceptions later
m_map.insert(std::make_pair(key, std::move(p)));
return *m_map[key].get();
}
VideoProgress::VideoProgress(const VideoParameters& videoParameters, const ShaderParameters& shaderParameters, QWidget* parent) : QWidget(parent), vp(videoParameters), sp(shaderParameters), renderSurface(0) {
setWindowTitle("Export");
QWidget* central = this;//new QWidget(this);
//setCentralWidget(central);
QVBoxLayout* renderLayout = new QVBoxLayout(central);
renderLayout->addStretch();
frame = new QLabel(this);
frame->setAlignment(Qt::AlignCenter);
frame->setText("Loading...");
renderLayout->addWidget(frame);
renderLayout->addStretch();
bar = new QProgressBar(this);
renderLayout->addWidget(bar);
//renderLayout->addStretch();
QHBoxLayout* hlayout = new QHBoxLayout(this);
renderLayout->addLayout(hlayout);
button = new QPushButton("Cancel", this);
connect(button, SIGNAL(pressed()), this, SLOT(onFinalPress()));
hlayout->addStretch();
hlayout->addWidget(button);
//hlayout->addStretch();
finalFrame = false;
captureDone = false;
renderSurface = new RenderSurface(vp.width, vp.height);
if (!renderSurface->setShaderCode(vp.code)) {
finishCapture("An error occured during capture: Shader error:\n\n" + renderSurface->getShaderError());
return;
}
renderSurface->setShaderParameters(sp);
encoder = new VideoEncoder(vp.path, vp.fps, vp.bitrate);
frameCount = 0;
durationSeconds = vp.duration;
if (!sp.size()) {
onNextFrame();
} else { /* stuff to load */
resourceLoadIndex = 0;
onLoadResource();
}
}
//Returns a reference to the resource associated with the file name 'key' if it exists in memory.
//Otherwise it loads the texture into memory, and returns a reference to the the resource.
T &Load(key_type const &key) noexcept(false)
{
map_i i = m_map.find(key);
if(i != m_map.end())
{
return *i->second.get(); //return resource if exists
}
//else, load resource
ptr_t p {onLoadResource(key)};
if(p.get() == NULL)
{
throw Exception(std::string("Error loading Image at ") + key);
}
m_map.insert(std::make_pair(key, std::move(p)));
return *m_map[key].get();
}
