itsmattkc
acef99eb17
Initially this class was named to provide the possibility of supporting other APIs, however this abstraction has been done with a base class instead.
80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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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 "viewerwindow.h"
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#include <QKeyEvent>
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#include <QVBoxLayout>
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OLIVE_NAMESPACE_ENTER
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ViewerWindow::ViewerWindow(QWidget *parent) :
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QWidget(parent, Qt::Window | Qt::WindowStaysOnTopHint)
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{
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QVBoxLayout* layout = new QVBoxLayout(this);
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layout->setMargin(0);
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layout->setSpacing(0);
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gl_widget_ = new ViewerDisplayWidget();
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layout->addWidget(gl_widget_);
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}
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ViewerDisplayWidget *ViewerWindow::gl_widget() const
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{
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return gl_widget_;
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}
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void ViewerWindow::SetResolution(int width, int height)
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{
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// Set GL widget matrix to maintain this texture's aspect ratio
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double window_ar = static_cast<double>(this->width()) / static_cast<double>(this->height());
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double image_ar = static_cast<double>(width) / static_cast<double>(height);
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QMatrix4x4 mat;
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if (window_ar > image_ar) {
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// Window is wider than image, adjust X scale
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mat.scale(image_ar / window_ar, 1.0f, 1.0f);
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} else if (window_ar < image_ar) {
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// Window is taller than image, adjust Y scale
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mat.scale(1.0f, window_ar / image_ar, 1.0f);
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}
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gl_widget_->SetMatrix(mat);
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}
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void ViewerWindow::keyPressEvent(QKeyEvent *e)
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{
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QWidget::keyPressEvent(e);
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if (e->key() == Qt::Key_Escape) {
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close();
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}
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}
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void ViewerWindow::closeEvent(QCloseEvent *e)
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{
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QWidget::closeEvent(e);
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deleteLater();
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}
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OLIVE_NAMESPACE_EXIT
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