70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/*
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QGLView
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Copyright (C) 2017 Ivan Pelipenko peri4ko@yandex.ru
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "loader_qgl.h"
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#include "chunkstream.h"
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GLObjectBase * loadFromQGLFile(const QString & filepath) {
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QFile f(filepath);
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if (!f.exists()) {
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qDebug() << "[Loader QGL] Error: can`t open \"" + filepath + "\"";
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return 0;
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}
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f.open(QIODevice::ReadOnly);
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QDataStream s(&f);
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s.setVersion(QDataStream::Qt_4_8);
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char sign[4];
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s.readRawData(sign, 4);
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if ((sign[0] != 'Q') || (sign[1] != 'G') || (sign[2] != 'L') || (sign[3] != 'F')) {
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qDebug() << "[Loader QGL] Error: \"" + filepath + "\" is not valid QGL file!";
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return 0;
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}
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GLObjectBase * root = 0;
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ushort version = 0xFFFF;
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f.peek((char*)&version, 2);
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if (version == 1) {
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s.skipRawData(2);
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s >> root;
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} else {
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qDebug() << "[Loader QGL] Error: \"" + filepath + "\" unsupported version!";
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return 0;
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}
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root->buildTransform();
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if (root->name().isEmpty())
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root->setName(QFileInfo(f).baseName());
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qDebug() << "[Loader QGL] Loaded" << root->childCount() << "objects from" << filepath;
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return root;
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}
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bool saveToQGLFile(const QString & filepath, const GLObjectBase * o) {
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QFile f(filepath);
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if (!f.open(QIODevice::ReadWrite))
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return false;
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f.resize(0);
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QDataStream s(&f);
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s.setVersion(QDataStream::Qt_4_8);
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char sign[4] = {'Q', 'G', 'L', 'F'};
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ushort version = 1;
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s.writeRawData(sign, 4);
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s.writeRawData((char*)&version, 2);
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s << o;
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return true;
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}
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