Files
oak-editor/app/common/ratiodialog.cpp
T
itsmattkc fb05594b50 various: allow setting footage aspect ratios
We had support for detecting aspect ratios and respecting them in the
render, but this allows people to not only see the aspect ratio in use,
but also override it with their own.
2020-07-25 00:58:01 +10:00

91 lines
2.6 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
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 "ratiodialog.h"
#include <QCoreApplication>
#include <QMessageBox>
OLIVE_NAMESPACE_ENTER
double GetFloatRatioFromUser(QWidget* parent,
const QString& title,
bool* ok_in)
{
QString s;
forever {
bool ok;
s = QInputDialog::getText(parent,
title,
QCoreApplication::translate("RatioDialog", "Enter custom ratio (e.g. \"4:3\", \"16/9\", etc.):"),
QLineEdit::Normal,
s,
&ok);
if (!ok) {
// User cancelled dialog, do nothing
if (ok_in) {
*ok_in = false;
}
return qSNaN();
}
QStringList ratio_components = s.split(QRegExp(QStringLiteral(":|;|\\/")));
if (ratio_components.size() == 1) {
bool float_ok;
double flt = ratio_components.at(0).toDouble(&float_ok);
if (float_ok && flt > 0) {
if (ok_in) {
*ok_in = true;
}
return flt;
}
} else if (ratio_components.size() == 2) {
bool numer_ok, denom_ok;
double num = ratio_components.at(0).toDouble(&numer_ok);
double den = ratio_components.at(1).toDouble(&denom_ok);
if (numer_ok
&& denom_ok
&& num > 0) {
// Exit loop and set this ratio
if (ok_in) {
*ok_in = true;
}
return num / den;
}
}
QMessageBox::warning(parent,
QCoreApplication::translate("RatioDialog", "Invalid custom ratio"),
QCoreApplication::translate("RatioDialog", "Failed to parse \"%1\" into an aspect ratio. Please format a "
"rational fraction with a ':' or a '/' separator.").arg(s),
QMessageBox::Ok);
}
}
OLIVE_NAMESPACE_EXIT