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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#include "export.h"
#include "dialog.h"
#include <QPixmap>
#include <QString>
#include <QDir>
#include <QCursor>
#include <QSharedPointer>
#include "scmessagebox.h"
#include "scribus.h"
#include "scraction.h"
#include "menumanager.h"
#include "util.h"
#include "commonstrings.h"
#include "scpaths.h"
int scribusexportpixmap_getPluginAPIVersion()
{
return PLUGIN_API_VERSION;
}
ScPlugin* scribusexportpixmap_getPlugin()
{
PixmapExportPlugin* plug = new PixmapExportPlugin();
Q_CHECK_PTR(plug);
return plug;
}
void scribusexportpixmap_freePlugin(ScPlugin* plugin)
{
PixmapExportPlugin* plug = dynamic_cast<PixmapExportPlugin*>(plugin);
Q_ASSERT(plug);
delete plug;
}
PixmapExportPlugin::PixmapExportPlugin() : ScActionPlugin()
{
// Set action info in languageChange, so we only have to do
// it in one place. This includes registering file formats.
languageChange();
}
PixmapExportPlugin::~PixmapExportPlugin()
{
};
void PixmapExportPlugin::languageChange()
{
// Note that we leave the unused members unset. They'll be initialised
// with their default ctors during construction.
// Action name
m_actionInfo.name = "ExportAsImage";
// Action text for menu, including accel
m_actionInfo.text = tr("Save as &Image...");
// Keyboard shortcut
m_actionInfo.keySequence = "CTRL+SHIFT+E";
// Menu
m_actionInfo.menu = "FileExport";
m_actionInfo.enabledOnStartup = false;
m_actionInfo.needsNumObjects = -1;
}
const QString PixmapExportPlugin::fullTrName() const
{
return tr("Export As Image");
}
const ScActionPlugin::AboutData* PixmapExportPlugin::getAboutData() const
{
AboutData* about = new AboutData;
Q_CHECK_PTR(about);
about->authors = QString::fromUtf8("Petr Van\xc4\x9bk <petr@scribus.info>");
about->shortDescription = tr("Export As Image");
about->description = tr("Exports selected pages as bitmap images.");
// about->version
// about->releaseDate
// about->copyright
about->license = "GPL";
return about;
}
void PixmapExportPlugin::deleteAboutData(const AboutData* about) const
{
Q_ASSERT(about);
delete about;
}
bool PixmapExportPlugin::run(ScribusDoc* doc, QString target)
{
Q_ASSERT(target.isEmpty());
Q_ASSERT(!doc->masterPageMode());
QSharedPointer<ExportBitmap> ex( new ExportBitmap() );
QSharedPointer<ExportForm> dia( new ExportForm(0, doc, ex->pageDPI, ex->quality, ex->bitmapType) );
// interval widgets handling
QString tmp;
dia->rangeVal->setText(tmp.setNum(doc->currentPageNumber()+1));
// main "loop"
if (dia->exec()==QDialog::Accepted)
{
std::vector<int> pageNs;
ex->pageDPI = dia->DPIBox->value();
ex->enlargement = dia->enlargementBox->value();
ex->quality = dia->qualityBox->value();
ex->exportDir = QDir::fromNativeSeparators(dia->outputDirectory->text());
ex->bitmapType = dia->bitmapType->currentText();
// check availability of the destination
QFileInfo fi(ex->exportDir);
if (!fi.isDir())
{
QMessageBox::warning(doc->scMW(), tr("Save as Image"),
tr("The target location %1 must be an existing directory").arg(ex->exportDir));
return false;
}
if (!fi.isWritable())
{
QMessageBox::warning(doc->scMW(), tr("Save as Image"),
tr("The target location %1 must be writable").arg(ex->exportDir));
return false;
}
QApplication::changeOverrideCursor(QCursor(Qt::WaitCursor));
doc->scMW()->mainWindowProgressBar->reset();
bool res;
if (dia->onePageRadio->isChecked())
res = ex->exportCurrent(doc);
else
{
if (dia->allPagesRadio->isChecked())
parsePagesString("*", &pageNs, doc->DocPages.count());
else
parsePagesString(dia->rangeVal->text(), &pageNs, doc->DocPages.count());
res = ex->exportInterval(doc, pageNs);
}
doc->scMW()->mainWindowProgressBar->reset();
QApplication::changeOverrideCursor(Qt::ArrowCursor);
// QApplication::restoreOverrideCursor();
if (res)
doc->scMW()->setStatusBarInfoText( tr("Export successful"));
}
return true;
}
ExportBitmap::ExportBitmap()
{
pageDPI = 72;
quality = -1;
enlargement = 100.0;
exportDir = QDir::currentPath();
bitmapType = QString("PNG");
overwrite = false;
}
QString ExportBitmap::getFileName(ScribusDoc* doc, uint pageNr)
{
return QDir::cleanPath(QDir::toNativeSeparators(exportDir + "/" + getFileNameByPage(doc, pageNr, bitmapType.toLower())));
}
ExportBitmap::~ExportBitmap()
{
}
bool ExportBitmap::exportPage(ScribusDoc* doc, uint pageNr, bool single = true)
{
uint over = 0;
bool saved = false, doFileSave = true;
QString fileName(getFileName(doc, pageNr));
if (!doc->Pages->at(pageNr))
return false;
Page* page = doc->Pages->at(pageNr);
/* a little magic here - I need to compute the "maxGr" value...
* We need to know the right size of the page for landscape,
* portrait and user defined sizes.
*/
double pixmapSize = (page->height() > page->width()) ? page->height() : page->width();
QImage im(doc->view()->PageToPixmap(pageNr, qRound(pixmapSize * enlargement * (pageDPI / 72.0) / 100.0), false));
if (im.isNull())
{
QMessageBox::warning(doc->scMW(), tr("Save as Image"), tr("Insufficient memory for this image size."));
doc->scMW()->setStatusBarInfoText( tr("Insufficient memory for this image size."));
return false;
}
int dpm = qRound(100.0 / 2.54 * pageDPI);
im.setDotsPerMeterY(dpm);
im.setDotsPerMeterX(dpm);
if (QFile::exists(fileName) && !overwrite)
{
doFileSave = false;
QString fn = QDir::toNativeSeparators(fileName);
// QApplication::restoreOverrideCursor();
QApplication::changeOverrideCursor(Qt::ArrowCursor);
over = QMessageBox::question(doc->scMW(), tr("File exists. Overwrite?"),
fn +"\n"+ tr("exists already. Overwrite?"),
// hack for multiple overwriting (petr)
(single == true) ? QMessageBox::Yes | QMessageBox::No : QMessageBox::Yes | QMessageBox::No | QMessageBox::YesToAll);
QApplication::changeOverrideCursor(QCursor(Qt::WaitCursor));
if (over == QMessageBox::Yes || over == QMessageBox::YesToAll)
doFileSave = true;
if (over == QMessageBox::YesToAll)
overwrite = true;
}
if (doFileSave)
saved = im.save(fileName, bitmapType.toLocal8Bit().constData(), quality);
if (!saved && doFileSave)
{
QMessageBox::warning(doc->scMW(), tr("Save as Image"), tr("Error writing the output file(s)."));
doc->scMW()->setStatusBarInfoText( tr("Error writing the output file(s)."));
}
return saved;
}
bool ExportBitmap::exportCurrent(ScribusDoc* doc)
{
return exportPage(doc, doc->currentPageNumber(), true);
}
bool ExportBitmap::exportInterval(ScribusDoc* doc, std::vector<int> &pageNs)
{
doc->scMW()->mainWindowProgressBar->setMaximum(pageNs.size());
for (uint a = 0; a < pageNs.size(); ++a)
{
doc->scMW()->mainWindowProgressBar->setValue(a);
if (!exportPage(doc, pageNs[a]-1, false))
return false;
}
return true;
}
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