QString TemplateLayout::generate()
{
int progress = 0;
int totalWork = getTotalWork(PrintOptions);
QString templateName;
QString htmlContent;
m_engine = new Grantlee::Engine(this);
QSharedPointer<Grantlee::FileSystemTemplateLoader> m_templateLoader =
QSharedPointer<Grantlee::FileSystemTemplateLoader>(new Grantlee::FileSystemTemplateLoader());
m_templateLoader->setTemplateDirs(QStringList() << getSubsurfaceDataPath("printing_templates"));
m_engine->addTemplateLoader(m_templateLoader);
Grantlee::registerMetaType<Dive>();
Grantlee::registerMetaType<template_options>();
Grantlee::registerMetaType<print_options>();
QVariantHash mapping;
QVariantList diveList;
struct dive *dive;
int i;
for_each_dive (i, dive) {
//TODO check for exporting selected dives only
if (!dive->selected && PrintOptions->print_selected)
continue;
Dive d(dive);
diveList.append(QVariant::fromValue(d));
progress++;
emit progressUpdated(progress * 100.0 / totalWork);
}
mapping.insert("dives", diveList);
mapping.insert("template_options", QVariant::fromValue(*templateOptions));
mapping.insert("print_options", QVariant::fromValue(*PrintOptions));
Grantlee::Context c(mapping);
if (PrintOptions->p_template == print_options::ONE_DIVE) {
templateName = "one_dive.html";
} else if (PrintOptions->p_template == print_options::TWO_DIVE) {
templateName = "two_dives.html";
} else if (PrintOptions->p_template == print_options::CUSTOM) {
templateName = "custom.html";
}
Grantlee::Template t = m_engine->loadByName(templateName);
if (!t || t->error()) {
qDebug() << "Can't load template";
return htmlContent;
}
htmlContent = t->render(&c);
if (t->error()) {
qDebug() << "Can't render template";
return htmlContent;
}
return htmlContent;
}
bool CoinQBlockTreeSqlite3::insertHeader(const Coin::CoinBlockHeader& header)
{
if (!db.isOpen()) {
throw std::runtime_error("Database is not open.");
}
std::stringstream sql;
SQLite3Stmt stmt;
sql << "SELECT `height`, `chain_work`, `version`, `timestamp`, `bits`"
<< " FROM `block_headers` WHERE `hash` = '" << header.prevBlockHash.getHex() << "'";
stmt.prepare(db, sql.str());
if (stmt.step() != SQLITE_ROW) {
throw std::runtime_error("Parent not found.");
}
// TODO: validate header
ChainHeader chainHeader(header);
chainHeader.height = stmt.getInt(0) + 1;
chainHeader.chainWork.setDec((char*)stmt.getText(1));
chainHeader.chainWork += chainHeader.getWork();
std::string chainHeaderHashStr = chainHeader.getHashLittleEndian().getHex();
SQLite3Tx sqliteTx(db, SQLite3Tx::Type::IMMEDIATE);
stmt.finalize(); sql.str("");
sql << "INSERT INTO `block_headers` (`hash`, `in_best_chain`, `height`, `chain_work`, `version`, `prev_block_hash`, `merkle_root`, `timestamp`, `bits`, `nonce`)"
<< " VALUES ('"
<< chainHeaderHashStr << "',0,"
<< chainHeader.height << ",'"
<< chainHeader.chainWork.getDec() << "',"
<< chainHeader.version << ",'"
<< chainHeader.prevBlockHash.getHex() << "','"
<< chainHeader.merkleRoot.getHex() << "',"
<< chainHeader.timestamp << ","
<< chainHeader.bits << ","
<< chainHeader.nonce << ")";
stmt.prepare(db, sql.str());
try {
stmt.step();
notifyInsert(chainHeader);
}
catch (const SQLite3Exception& e) {
if (e.code() == SQLITE_CONSTRAINT) return false;
throw e;
}
if (chainHeader.chainWork > getTotalWork()) {
setBestChain(chainHeaderHashStr);
}
sqliteTx.commit();
return true;
}
void Printer::print()
{
// we can only print if "PRINT" mode is selected
if (printMode != Printer::PRINT) {
return;
}
QPrinter *printerPtr;
printerPtr = static_cast<QPrinter*>(paintDevice);
TemplateLayout t(printOptions, templateOptions);
connect(&t, SIGNAL(progressUpdated(int)), this, SLOT(templateProgessUpdated(int)));
dpi = printerPtr->resolution();
//rendering resolution = selected paper size in inchs * printer dpi
pageSize.setHeight(qCeil(printerPtr->pageRect(QPrinter::Inch).height() * dpi));
pageSize.setWidth(qCeil(printerPtr->pageRect(QPrinter::Inch).width() * dpi));
webView->page()->setViewportSize(pageSize);
webView->page()->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
// export border width with at least 1 pixel
// templateOptions->borderwidth = std::max(1, pageSize.width() / 1000);
if (printOptions->type == print_options::DIVELIST) {
webView->setHtml(t.generate());
} else if (printOptions->type == print_options::STATISTICS ) {
webView->setHtml(t.generateStatistics());
}
if (printOptions->color_selected && printerPtr->colorMode()) {
printerPtr->setColorMode(QPrinter::Color);
} else {
printerPtr->setColorMode(QPrinter::GrayScale);
}
// apply user settings
int divesPerPage;
// get number of dives per page from data-numberofdives attribute in the body of the selected template
bool ok;
divesPerPage = webView->page()->mainFrame()->findFirstElement("body").attribute("data-numberofdives").toInt(&ok);
if (!ok) {
divesPerPage = 1; // print each dive in a single page if the attribute is missing or malformed
//TODO: show warning
}
int Pages;
if (divesPerPage == 0) {
flowRender();
} else {
Pages = qCeil(getTotalWork(printOptions) / (float)divesPerPage);
render(Pages);
}
}
QString TemplateLayout::generate()
{
int progress = 0;
int totalWork = getTotalWork(PrintOptions);
QString htmlContent;
delete m_engine;
m_engine = new Grantlee::Engine(this);
QSharedPointer<Grantlee::FileSystemTemplateLoader> m_templateLoader =
QSharedPointer<Grantlee::FileSystemTemplateLoader>(new Grantlee::FileSystemTemplateLoader());
m_templateLoader->setTemplateDirs(QStringList() << getPrintingTemplatePathUser());
m_engine->addTemplateLoader(m_templateLoader);
Grantlee::registerMetaType<template_options>();
Grantlee::registerMetaType<print_options>();
QVariantList diveList;
struct dive *dive;
int i;
for_each_dive (i, dive) {
//TODO check for exporting selected dives only
if (!dive->selected && PrintOptions->print_selected)
continue;
DiveObjectHelper *d = new DiveObjectHelper(dive);
diveList.append(QVariant::fromValue(d));
progress++;
emit progressUpdated(progress * 100.0 / totalWork);
}
Grantlee::Context c;
c.insert("dives", diveList);
c.insert("template_options", QVariant::fromValue(*templateOptions));
c.insert("print_options", QVariant::fromValue(*PrintOptions));
Grantlee::Template t = m_engine->loadByName(PrintOptions->p_template);
if (!t || t->error()) {
qDebug() << "Can't load template";
return htmlContent;
}
htmlContent = t->render(&c);
if (t->error()) {
qDebug() << "Can't render template";
}
return htmlContent;
}
QString TemplateLayout::generate()
{
int progress = 0;
int totalWork = getTotalWork(PrintOptions);
QString htmlContent;
delete m_engine;
m_engine = new Grantlee::Engine(this);
Grantlee::registerMetaType<template_options>();
Grantlee::registerMetaType<print_options>();
QVariantList diveList;
struct dive *dive;
int i;
for_each_dive (i, dive) {
//TODO check for exporting selected dives only
if (!dive->selected && PrintOptions->print_selected)
continue;
DiveObjectHelper *d = new DiveObjectHelper(dive);
diveList.append(QVariant::fromValue(d));
progress++;
emit progressUpdated(lrint(progress * 100.0 / totalWork));
}
Grantlee::Context c;
c.insert("dives", diveList);
c.insert("template_options", QVariant::fromValue(*templateOptions));
c.insert("print_options", QVariant::fromValue(*PrintOptions));
/* don't use the Grantlee loader API */
QString templateContents = readTemplate(PrintOptions->p_template);
QString preprocessed = preprocessTemplate(templateContents);
/* create the template from QString; is this thing allocating memory? */
Grantlee::Template t = m_engine->newTemplate(preprocessed, PrintOptions->p_template);
if (!t || t->error()) {
qDebug() << "Can't load template";
return htmlContent;
}
htmlContent = t->render(&c);
if (t->error()) {
qDebug() << "Can't render template";
}
return htmlContent;
}
void Printer::render()
{
QPointer<ProfileWidget2> profile = MainWindow::instance()->graphics();
// keep original preferences
int profileFrameStyle = profile->frameStyle();
int animationOriginal = prefs.animation_speed;
double fontScale = profile->getFontPrintScale();
// apply printing settings to profile
profile->setFrameStyle(QFrame::NoFrame);
profile->setPrintMode(true, !printOptions->color_selected);
profile->setFontPrintScale(0.6);
profile->setToolTipVisibile(false);
prefs.animation_speed = 0;
// render the Qwebview
QPainter painter;
QRect viewPort(0, 0, pageSize.width(), pageSize.height());
painter.begin(printer);
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
int divesPerPage;
switch (printOptions->p_template) {
case print_options::ONE_DIVE:
divesPerPage = 1;
break;
case print_options::TWO_DIVE:
divesPerPage = 2;
break;
}
int Pages = ceil(getTotalWork() / (float)divesPerPage);
// get all refereces to diveprofile class in the Html template
QWebElementCollection collection = webView->page()->mainFrame()->findAllElements(".diveprofile");
QSize originalSize = profile->size();
if (collection.count() > 0) {
profile->resize(collection.at(0).geometry().size());
}
int elemNo = 0;
for (int i = 0; i < Pages; i++) {
// render the base Html template
webView->page()->mainFrame()->render(&painter, QWebFrame::ContentsLayer);
// render all the dive profiles in the current page
while (elemNo < collection.count() && collection.at(elemNo).geometry().y() < viewPort.y() + viewPort.height()) {
// dive id field should be dive_{{dive_no}} se we remove the first 5 characters
int diveNo = collection.at(elemNo).attribute("id").remove(0, 5).toInt(0, 10);
putProfileImage(collection.at(elemNo).geometry(), viewPort, &painter, get_dive(diveNo - 1), profile);
elemNo++;
}
// scroll the webview to the next page
webView->page()->mainFrame()->scroll(0, pageSize.height());
viewPort.adjust(0, pageSize.height(), 0, pageSize.height());
// rendering progress is 4/5 of total work
emit(progessUpdated((i * 80.0 / Pages) + done));
if (i < Pages - 1)
printer->newPage();
}
painter.end();
// return profle settings
profile->setFrameStyle(profileFrameStyle);
profile->setPrintMode(false);
profile->setFontPrintScale(fontScale);
profile->setToolTipVisibile(true);
profile->resize(originalSize);
prefs.animation_speed = animationOriginal;
//replot the dive after returning the settings
profile->plotDive(0, true);
}
