qpaintdevice_qpa.cpp File Reference

#include "qpaintdevice.h"
#include "qpainter.h"
#include "qwidget.h"
#include "qbitmap.h"
#include "qapplication.h"

Go to the source code of this file.

Functions
void	qt_painter_removePaintDevice (QPaintDevice *)

Function Documentation

qt_painter_removePaintDevice()

void qt_painter_removePaintDevice

(

QPaintDevice *

)

Definition at line 8419 of file qpainter.cpp.

{
    if (!globalRedirectionAtomic() || *globalRedirectionAtomic() == 0)
        return;

    QMutex *mutex = 0;
    QT_TRY {
        mutex = globalRedirectionsMutex();
    } QT_CATCH(...) {
        // ignore the missing mutex, since we could be called from
        // a destructor, and destructors shall not throw
    }
    QMutexLocker locker(mutex);
    QPaintDeviceRedirectionList *redirections = 0;
    QT_TRY {
        redirections = globalRedirections();
    } QT_CATCH(...) {
        // do nothing - code below is safe with redirections being 0.
    }
    if (redirections) {
        for (int i = 0; i < redirections->size(); ) {
            if(redirections->at(i) == dev || redirections->at(i).replacement == dev)
                redirections->removeAt(i);
            else
                ++i;
        }
    }
}