Files
oak-editor/app/widget/viewer/viewerwindow.cpp
T
itsmattkc ed48d24cbc viewerwindow: implemented displaying a viewer image fullscreen on another monitor
Implements an extra widget to display images on a separate monitor. Both
viewers have separate display color controls since different monitors may
conform to different standards/transforms.
2020-04-01 19:21:25 +11:00

56 lines
1.2 KiB
C++

#include "viewerwindow.h"
#include <QKeyEvent>
#include <QVBoxLayout>
ViewerWindow::ViewerWindow(QWidget *parent) :
QWidget(parent, Qt::Window | Qt::WindowStaysOnTopHint)
{
QVBoxLayout* layout = new QVBoxLayout(this);
layout->setMargin(0);
layout->setSpacing(0);
gl_widget_ = new ViewerGLWidget();
layout->addWidget(gl_widget_);
}
ViewerGLWidget *ViewerWindow::gl_widget() const
{
return gl_widget_;
}
void ViewerWindow::SetResolution(int width, int height)
{
// Set GL widget matrix to maintain this texture's aspect ratio
double window_ar = static_cast<double>(this->width()) / static_cast<double>(this->height());
double image_ar = static_cast<double>(width) / static_cast<double>(height);
QMatrix4x4 mat;
if (window_ar > image_ar) {
// Window is wider than image, adjust X scale
mat.scale(image_ar / window_ar, 1.0f, 1.0f);
} else if (window_ar < image_ar) {
// Window is taller than image, adjust Y scale
mat.scale(1.0f, window_ar / image_ar, 1.0f);
}
gl_widget_->SetMatrix(mat);
}
void ViewerWindow::keyPressEvent(QKeyEvent *e)
{
QWidget::keyPressEvent(e);
if (e->key() == Qt::Key_Escape) {
close();
}
}
void ViewerWindow::closeEvent(QCloseEvent *e)
{
QWidget::closeEvent(e);
deleteLater();
}