mythpaintergpu.cpp

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#include <QtGlobal>
#include <QWindow>
 
// MythTV
#include "libmythbase/mythlogging.h"
#include "mythdisplay.h"
#include "mythmainwindow.h"
#include "mythpaintergpu.h"
 
MythPainterGPU::MythPainterGPU(MythMainWindow* Parent)
  : m_parent(Parent)
{
    MythDisplay* display = m_parent->GetDisplay();
 
    DisplayChanged();
    connect(display, &MythDisplay::DisplayChanged, this,
            &MythPainterGPU::DisplayChanged);
}
 
void MythPainterGPU::SetViewControl(ViewControls Control)
{
    m_viewControl = Control;
}
 
void MythPainterGPU::DisplayChanged()
{
    MythDisplay* display = m_parent->GetDisplay();
    QScreen *screen = display->GetCurrentScreen();
    QWindow *window = display->GetCurrentWindow();
 
    m_pixelRatio = window ? window->devicePixelRatio() : screen->devicePixelRatio();
    m_usingHighDPI = !qFuzzyCompare(m_pixelRatio, 1.0);
}