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Utils.cpp
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/*
Scan Tailor - Interactive post-processing tool for scanned pages.
Copyright (C) Joseph Artsimovich <[email protected]>
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 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Utils.h"
#include <QString>
#include <QByteArray>
#include <QFile>
#include <QDir>
#include <Qt>
#include <QTextDocument> // Qt::escape() is actually declare there.
#ifdef Q_WS_WIN
#include <windows.h>
#else
#include <stdio.h>
#endif
bool
Utils::overwritingRename(QString const& from, QString const& to)
{
#ifdef Q_WS_WIN
return MoveFileExW(
(WCHAR*)from.utf16(), (WCHAR*)to.utf16(),
MOVEFILE_REPLACE_EXISTING
) != 0;
#else
return rename(
QFile::encodeName(from).data(),
QFile::encodeName(to).data()
) == 0;
#endif
}
QString
Utils::richTextForLink(
QString const& label, QString const& target)
{
return QString::fromAscii(
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\""
"\"http://www.w3.org/TR/REC-html40/strict.dtd\">"
"<html><head><meta name=\"qrichtext\" content=\"1\" />"
"</head><body><p style=\"margin-top:0px; margin-bottom:0px;"
"margin-left:0px; margin-right:0px; -qt-block-indent:0;"
"text-indent:0px;\"><a href=\"%1\">%2</a></p></body></html>"
).arg(Qt::escape(target), Qt::escape(label));
}
void
Utils::maybeCreateCacheDir(QString const& output_dir)
{
QDir(output_dir).mkdir(QString::fromAscii("cache"));
// QDir::mkdir() returns false if the directory already exists,
// so to prevent confusion this function return void.
}
QString
Utils::outputDirToThumbDir(QString const& output_dir)
{
return output_dir+QLatin1String("/cache/thumbs");
}
IntrusivePtr<ThumbnailPixmapCache>
Utils::createThumbnailCache(QString const& output_dir)
{
QSize const max_pixmap_size(200, 200);
QString const thumbs_cache_path(outputDirToThumbDir(output_dir));
return IntrusivePtr<ThumbnailPixmapCache>(
new ThumbnailPixmapCache(thumbs_cache_path, max_pixmap_size, 40, 5)
);
}