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118 lines
3.7 KiB
118 lines
3.7 KiB
/***************************************************************************
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* Copyright (C) 2006 by Sébastien Laoût *
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* slaout@linux62.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <qstringlist.h>
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#include <qdir.h>
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#include <qfile.h>
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#include <qfileinfo.h>
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#include <qtextstream.h>
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#include <ktempdir.h>
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#include "basketthumbcreator.h"
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bool BasketThumbCreator::create(const QString &path, int /*width*/, int /*height*/, QImage &image)
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{
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// Create the temporar folder:
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KTempDir tempDir;
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tempDir.setAutoDelete(true);
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QString tempFolder = tempDir.name();
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QDir dir;
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dir.mkdir(tempFolder);
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const Q_ULONG BUFFER_SIZE = 1024;
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QFile file(path);
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if (file.open(IO_ReadOnly)) {
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QTextStream stream(&file);
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stream.setEncoding(QTextStream::Latin1);
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QString line = stream.readLine();
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if (line != "BasKetNP:archive" && line != "BasKetNP:template") {
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file.close();
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return false;
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}
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while (!stream.atEnd()) {
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// Get Key/Value Pair From the Line to Read:
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line = stream.readLine();
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int index = line.find(':');
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QString key;
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QString value;
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if (index >= 0) {
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key = line.left(index);
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value = line.right(line.length() - index - 1);
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} else {
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key = line;
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value = "";
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}
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if (key == "preview*") {
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bool ok;
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ulong size = value.toULong(&ok);
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if (!ok) {
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file.close();
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return false;
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}
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// Get the preview file:
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QFile previewFile(tempFolder + "preview.png");
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if (previewFile.open(IO_WriteOnly)) {
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char *buffer = new char[BUFFER_SIZE];
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Q_LONG sizeRead;
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while ((sizeRead = file.readBlock(buffer, QMIN(BUFFER_SIZE, size))) > 0) {
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previewFile.writeBlock(buffer, sizeRead);
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size -= sizeRead;
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}
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previewFile.close();
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delete buffer;
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image = QImage(tempFolder + "preview.png");
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file.close();
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return true;
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}
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} else if (key.endsWith("*")) {
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// We do not know what it is, but we should read the embedded-file in order to discard it:
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bool ok;
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ulong size = value.toULong(&ok);
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if (!ok) {
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file.close();
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return false;
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}
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// Get the archive file:
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char *buffer = new char[BUFFER_SIZE];
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Q_LONG sizeRead;
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while ((sizeRead = file.readBlock(buffer, QMIN(BUFFER_SIZE, size))) > 0) {
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size -= sizeRead;
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}
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delete buffer;
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}
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}
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file.close();
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}
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return false;
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}
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ThumbCreator::Flags BasketThumbCreator::flags() const
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{
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return (Flags) (DrawFrame | BlendIcon);
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}
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extern "C"
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{
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ThumbCreator *new_creator()
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{
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return new BasketThumbCreator();
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}
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};
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