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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2007-2009 by Tanguy Arnaud <arn.tanguy@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "ExportWizard.h"
#include "Canvas/Canvas.h"
#include "Canvas/CanvasModeInfo.h"
#include "App.h"
#include "Settings.h"
#include "ui_ExportWizard.h"
#include "controller.h"
#include "imageloaderqt.h"
#include "posterazorcore.h"
#include "wizard.h"
#include <QDesktopServices>
#include <QDesktopWidget>
#include <QDir>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QLocale>
#include <QMessageBox>
#include <QProcess>
#include <QPrinter>
#include <QPrintDialog>
#include <QSettings>
#include <QSvgGenerator>
#include <QTimer>
#include <QUrl>
#include <math.h>
#if defined(Q_OS_WIN)
#include <windows.h> // for background changing stuff
#endif
#define POSTERAZOR_WEBSITE_LINK "http://posterazor.sourceforge.net/"
#define POSTERAZOR_TUTORIAL_LINK "http://www.youtube.com/watch?v=p7XsFZ4Leo8"
ExportWizard::ExportWizard(Canvas *canvas, bool printPreferred)
: QWizard()
, m_ui(new Ui::ExportWizard)
, m_canvas(canvas)
, m_printPreferred(printPreferred)
, m_nextId(0)
{
// create and init UI
m_ui->setupUi(this);
connect(m_ui->clWallpaper, SIGNAL(clicked()), this, SLOT(slotModeButtonClicked()));
connect(m_ui->clImage, SIGNAL(clicked()), this, SLOT(slotModeButtonClicked()));
connect(m_ui->clPosteRazor, SIGNAL(clicked()), this, SLOT(slotModeButtonClicked()));
connect(m_ui->clPrint, SIGNAL(clicked()), this, SLOT(slotModeButtonClicked()));
connect(m_ui->clSvg, SIGNAL(clicked()), this, SLOT(slotModeButtonClicked()));
m_ui->prWebLabel->setText("<html><body><a href='" POSTERAZOR_WEBSITE_LINK "'>" + m_ui->prWebLabel->text() + "</a></body></html>" );
connect(m_ui->prWebLabel, SIGNAL(linkActivated(const QString &)), this, SLOT(slotOpenLink(const QString &)));
m_ui->prTutorialLabel->setText("<html><body><a href='" POSTERAZOR_TUTORIAL_LINK "'>" + m_ui->prTutorialLabel->text() + "</a></body></html>" );
connect(m_ui->prTutorialLabel, SIGNAL(linkActivated(const QString &)), this, SLOT(slotOpenLink(const QString &)));
#if !defined(Q_OS_WIN) && !defined(Q_OS_LINUX)
#warning "Implement background change for this OS"
m_ui->clWallpaper->hide();
#endif
// set default sizes
m_ui->saveHeight->setValue(m_canvas->height());
m_ui->saveWidth->setValue(m_canvas->width());
m_ui->imgFromDpi->setEnabled(m_printPreferred);
m_ui->printDpi->setValue(m_canvas->modeInfo()->printDpi());
m_ui->printLandscape->setChecked(m_canvas->modeInfo()->printLandscape());
m_printSizeInches = m_canvas->modeInfo()->fixedSizeInches();
// connect buttons
connect(m_ui->chooseFilePath, SIGNAL(clicked()), this, SLOT(slotChoosePath()));
connect(m_ui->imgFromCanvas, SIGNAL(clicked()), this, SLOT(slotImageFromCanvas()));
connect(m_ui->imgFromDpi, SIGNAL(clicked()), this, SLOT(slotImageFromDpi()));
connect(m_ui->printUnity, SIGNAL(currentIndexChanged(int)), this, SLOT(slotPrintUnityChanged(int)));
connect(m_ui->printWidth, SIGNAL(valueChanged(double)), this, SLOT(slotPrintSizeChanged()));
connect(m_ui->printHeight, SIGNAL(valueChanged(double)), this, SLOT(slotPrintSizeChanged()));
connect(m_ui->printDpi, SIGNAL(valueChanged(int)), this, SLOT(slotPrintSizeChanged()));
connect(m_ui->svgChooseFilePath, SIGNAL(clicked()), this, SLOT(slotChooseSvgPath()));
bool imperial = QLocale::system().measurementSystem() == QLocale::ImperialSystem;
m_ui->printUnity->setCurrentIndex(imperial ? 2 : 1);
// configure Wizard
setOptions(NoDefaultButton | NoBackButtonOnStartPage | IndependentPages);
setPage(PageMode);
setMinimumWidth(400);
if (m_printPreferred) {
// clear the boldness of non-print buttons
QFont font;
font.setBold(false);
m_ui->clImage->setFont(font);
m_ui->clWallpaper->setFont(font);
m_ui->clPosteRazor->setFont(font);
m_ui->clSvg->setFont(font);
// set the focus to the print button
show();
m_ui->clPrint->setFocus();
//QTimer::singleShot(800, m_ui->clPrint, SLOT(animateClick()));
}
// react to 'finish'
connect(this, SIGNAL(finished(int)), this, SLOT(slotFinished(int)));
}
ExportWizard::~ExportWizard()
{
delete m_ui;
}
void ExportWizard::setWallpaper()
{
// find a new path
QString wFilePath;
int fileNumber = 0;
while (wFilePath.isEmpty() || QFile::exists(wFilePath))
#if defined(Q_OS_WIN)
wFilePath = QDir::toNativeSeparators(QDir::homePath()) + QDir::separator() + "fotowall-background" + QString::number(++fileNumber) + ".bmp";
#else
wFilePath = QDir::toNativeSeparators(QDir::homePath()) + QDir::separator() + "fotowall-background" + QString::number(++fileNumber) + ".jpg";
#endif
// render the image
QImage image;
QSize sceneSize(m_canvas->width(), m_canvas->height());
QSize desktopSize = QApplication::desktop()->screenGeometry().size();
if (m_ui->wbZoom->isChecked())
image = m_canvas->renderedImage(desktopSize, Qt::KeepAspectRatioByExpanding);
else if (m_ui->wbScaleKeep->isChecked())
image = m_canvas->renderedImage(desktopSize, Qt::KeepAspectRatio);
else if (m_ui->wbScaleIgnore->isChecked())
image = m_canvas->renderedImage(desktopSize, Qt::IgnoreAspectRatio);
else
image = m_canvas->renderedImage(sceneSize);
// save the right kind of image into the home dir
#if defined(Q_OS_WIN)
if (!image.save(wFilePath, "BMP")) {
#else
if (!image.save(wFilePath, "JPG", 100)) {
#endif
QMessageBox::warning(this, tr("Wallpaper Error"), tr("Can't save the image to disk."));
return;
}
#if defined(Q_OS_WIN)
//Set new background path
{QSettings appSettings("HKEY_CURRENT_USER\\Control Panel\\Desktop", QSettings::NativeFormat);
appSettings.setValue("ConvertedWallpaper", wFilePath);
appSettings.setValue("Wallpaper", wFilePath);}
//Notification to windows refresh desktop
SystemParametersInfoA(SPI_SETDESKWALLPAPER, true, (void*)qPrintable(wFilePath), SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE);
#elif defined(Q_OS_LINUX)
// KDE4
if (QString(qgetenv("KDE_SESSION_VERSION")).startsWith("4"))
QMessageBox::warning(this, tr("Manual Wallpaper Change"), tr("KDE4 doesn't yet support changing wallpaper automatically.\nGo to the Desktop Settings and select the file:\n %1").arg(wFilePath));
// KDE3
QString kde3cmd = "dcop kdesktop KBackgroundIface setWallpaper '" + wFilePath + "' 6";
QProcess::startDetached(kde3cmd);
// Gnome2
QString gnome2Cmd = "gconftool -t string -s /desktop/gnome/background/picture_filename " + wFilePath ;
QProcess::startDetached(gnome2Cmd);
#else
#warning "Implement background change for this OS"
#endif
}
void ExportWizard::saveImage()
{
if (m_ui->filePath->text().isEmpty()) {
QMessageBox::warning(this, tr("No file selected !"), tr("You need to choose a file path for saving."));
return;
}
QString imgFilePath = m_ui->filePath->text();
// get the rendering size
QSize imageSize(m_ui->saveWidth->value(), m_ui->saveHeight->value());
// render the image
QImage image;
bool hideTools = !m_ui->imgAsIsBox->isChecked();
if (m_ui->ibZoom->isChecked())
image = m_canvas->renderedImage(imageSize, Qt::KeepAspectRatioByExpanding, hideTools);
else if (m_ui->ibScaleKeep->isChecked())
image = m_canvas->renderedImage(imageSize, Qt::KeepAspectRatio, hideTools);
else
image = m_canvas->renderedImage(imageSize, Qt::IgnoreAspectRatio, hideTools);
// rotate image if requested
if (m_ui->saveLandscape->isChecked()) {
// Save in landscape mode, so rotate
QMatrix matrix;
matrix.rotate(90);
image = image.transformed(matrix);
}
// save image
if (image.save(imgFilePath) && QFile::exists(imgFilePath)) {
int size = QFileInfo(imgFilePath).size();
QMessageBox::information(this, tr("Done"), tr("The target image is %1 bytes long").arg(size));
} else
QMessageBox::warning(this, tr("Rendering Error"), tr("Error rendering to the file '%1'").arg(imgFilePath));
}
void ExportWizard::startPosterazor()
{
static const quint32 posterPixels = 6 * 1000000; // Megapixels * 3 bytes!
// We will use up the whole posterPixels for the render, respecting the aspect ratio.
const qreal widthToHeightRatio = m_canvas->width() / m_canvas->height();
// Thanks to colleague Oswald for some of the math :)
const int posterPixelWidth = int(sqrt(widthToHeightRatio * posterPixels));
const int posterPixelHeight = posterPixels / posterPixelWidth;
static const QLatin1String settingsGroup("posterazor");
App::settings->beginGroup(settingsGroup);
// TODO: Eliminate Poster size in %
ImageLoaderQt loader;
loader.setQImage(m_canvas->renderedImage(QSize(posterPixelWidth, posterPixelHeight)));
PosteRazorCore posterazor(&loader);
posterazor.readSettings(App::settings);
Wizard *wizard = new Wizard;
Controller controller(&posterazor, wizard);
controller.setImageLoadingAvailable(false);
controller.setPosterSizeModeAvailable(Types::PosterSizeModePercentual, false);
#if QT_VERSION >= 0x040500
QDialog dialog(this, Qt::CustomizeWindowHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint);
#else
QDialog dialog(this, Qt::CustomizeWindowHint | Qt::WindowMinMaxButtonsHint);
#endif
dialog.setWindowTitle(tr("Export poster"));
dialog.setLayout(new QVBoxLayout);
dialog.layout()->addWidget(wizard);
dialog.resize(640, 480);
dialog.exec();
App::settings->sync();
posterazor.writeSettings(App::settings);
App::settings->endGroup();
}
void ExportWizard::print()
{
// update the realsizeinches, just in case..
slotPrintSizeChanged();
// get dpi, compute printed size
int printDpi = m_ui->printDpi->value();
int printWidth = (int)(m_printSizeInches.width() * (float)printDpi);
int printHeight = (int)(m_printSizeInches.height() * (float)printDpi);
QSize printSize(printWidth, printHeight);
Qt::AspectRatioMode printRatio = m_ui->printKeepRatio->isChecked() ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio;
// check if print params differ from the 'Exact Size' stuff
if (m_printPreferred) {
if (printDpi != m_canvas->modeInfo()->printDpi()) {
qWarning("ExportWizard::print: dpi changed to %d from the default %d", printDpi, (int)m_canvas->modeInfo()->printDpi());
} else {
QSize exactPrintSize = m_canvas->modeInfo()->fixedPrinterPixels();
if (printSize != exactPrintSize)
qWarning("ExportWizard::print: size changed to %dx%d from the default %dx%d", printWidth, printHeight, exactPrintSize.width(), exactPrintSize.height());
}
}
// do the printing
m_canvas->printAsImage(printDpi, printSize, m_ui->printLandscape->isChecked(), printRatio);
}
void ExportWizard::saveSvg()
{
if (m_ui->svgFilePath->text().isEmpty()) {
QMessageBox::warning(this, tr("No file selected !"), tr("You need to choose a file path for saving."));
return;
}
QString svgFilePath = m_ui->svgFilePath->text();
// get the rendering size
QRect svgRect(m_canvas->sceneRect().toRect());
// create the SVG writer
QSvgGenerator generator;
generator.setFileName(svgFilePath);
generator.setSize(svgRect.size());
#if QT_VERSION >= 0x040500
generator.setResolution(physicalDpiX());
generator.setViewBox(svgRect);
generator.setTitle(m_canvas->titleText());
generator.setDescription(tr("Created with %1").arg(QCoreApplication::applicationName() + " " + QCoreApplication::applicationVersion()));
#endif
// paint over the writer
QPainter painter(&generator);
painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform, true);
m_canvas->renderVisible(&painter, svgRect, svgRect, Qt::IgnoreAspectRatio, !m_ui->svgAsIsBox->isChecked());
painter.end();
}
void ExportWizard::setPage(int pageId)
{
// adapt buttons
QList<QWizard::WizardButton> layout;
layout << QWizard::Stretch << QWizard::BackButton;
if (pageId >= PageWallpaper && pageId <= PageSvg)
layout << QWizard::FinishButton;
layout << QWizard::CancelButton;
setButtonLayout(layout);
// change page
m_nextId = pageId;
next();
// execute on-entry code
switch (pageId) {
case PageImage:
if (m_ui->filePath->text().isEmpty())
slotChoosePath();
break;
case PageSvg:
if (m_ui->svgFilePath->text().isEmpty())
slotChooseSvgPath();
break;
}
}
int ExportWizard::nextId() const
{
// dynamic page ordering
const int pageId = currentId();
// mode selection: return the id of the next page (set by the linkbuttons)
if (pageId == PageMode)
return m_nextId;
// final pages
if (pageId >= PageWallpaper && pageId <= PageSvg)
return -1;
// fallback
qWarning("ExportWizard::nextId: unhandled nextId for page %d", pageId);
return -1;
}
static QString getSavePath(const QString & initialValue, const QString & defaultExt, const QString & title, const QString & type)
{
// make up the default save path (stored as 'Fotowall/ExportDir')
QString defaultSavePath = initialValue;
if (defaultSavePath.isEmpty()) {
defaultSavePath = ExportWizard::tr("Unnamed %1.%2").arg(QDate::currentDate().toString()).arg(defaultExt);
if (App::settings->contains("Fotowall/ExportDir"))
defaultSavePath.prepend(App::settings->value("Fotowall/ExportDir").toString() + QDir::separator());
}
// ask the file name, validate it, store back to settings
QString saveFilePath = QFileDialog::getSaveFileName(0, title, defaultSavePath, type);
if (!saveFilePath.isEmpty()) {
App::settings->setValue("Fotowall/ExportDir", QFileInfo(saveFilePath).absolutePath());
if (QFileInfo(saveFilePath).suffix().isEmpty())
saveFilePath += "." + defaultExt;
}
return saveFilePath;
}
void ExportWizard::slotChoosePath()
{
QString savePath = getSavePath(m_ui->filePath->text(), "png",
tr("Choose the Image file"),
tr("Images (*.jpeg *.jpg *.png *.bmp *.tif *.tiff)"));
if (!savePath.isEmpty())
m_ui->filePath->setText(savePath);
}
void ExportWizard::slotChooseSvgPath()
{
QString savePath = getSavePath(m_ui->svgFilePath->text(), "svg",
tr("Choose the SVG file"),
tr("SVG (*.svg)"));
if (!savePath.isEmpty())
m_ui->svgFilePath->setText(savePath);
}
void ExportWizard::slotImageFromCanvas()
{
m_ui->saveWidth->setValue(m_canvas->width());
m_ui->saveHeight->setValue(m_canvas->height());
}
void ExportWizard::slotImageFromDpi()
{
QSize printSize = m_canvas->modeInfo()->fixedPrinterPixels();
m_ui->saveWidth->setValue(printSize.width());
m_ui->saveHeight->setValue(printSize.height());
}
void ExportWizard::slotPrintUnityChanged(int index)
{
m_ui->printWidth->blockSignals(true);
m_ui->printHeight->blockSignals(true);
if (index == 0) {
m_ui->printWidth->setValue(m_printSizeInches.width() * (qreal)m_ui->printDpi->value());
m_ui->printHeight->setValue(m_printSizeInches.height() * (qreal)m_ui->printDpi->value());
} else if (index == 1) {
m_ui->printWidth->setValue(m_printSizeInches.width() * 2.54);
m_ui->printHeight->setValue(m_printSizeInches.height() * 2.54);
} else if (index == 2) {
m_ui->printWidth->setValue(m_printSizeInches.width());
m_ui->printHeight->setValue(m_printSizeInches.height());
}
m_ui->printWidth->blockSignals(false);
m_ui->printHeight->blockSignals(false);
}
void ExportWizard::slotPrintSizeChanged()
{
qreal newWidth = m_ui->printWidth->value();
qreal newHeight = m_ui->printHeight->value();
qreal newDpi = (qreal)m_ui->printDpi->value();
switch(m_ui->printUnity->currentIndex()) {
case 0: // pixels/dpi -> inches
m_printSizeInches = QSizeF(newWidth / newDpi, newHeight / newDpi);
break;
case 1: // cm/2.54 -> inches
m_printSizeInches = QSizeF(newWidth / 2.54, newHeight / 2.54);
break;
case 2: // inches -> inches
m_printSizeInches = QSizeF(newWidth, newHeight);
break;
}
}
void ExportWizard::slotFinished(int code)
{
if (code == QDialog::Accepted) {
switch (currentId()) {
case PageWallpaper: setWallpaper(); break;
case PageImage: saveImage(); break;
case PagePosteRazor: startPosterazor(); break;
case PagePrint: print(); break;
case PageSvg: saveSvg(); break;
default:
qWarning("ExportWizard::slotFinished: unhndled end for page %d", currentId());
break;
}
}
}
void ExportWizard::slotModeButtonClicked()
{
setPage(sender()->property("nextPageId").toInt());
}
void ExportWizard::slotOpenLink(const QString & address)
{
QDesktopServices::openUrl(QUrl(address));
}
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