qpixmapdata_vg_p.h File Reference

#include <QtGui/private/qpixmap_raster_p.h>
#include <QtGui/private/qvolatileimage_p.h>
#include "qvg_p.h"

Go to the source code of this file.

Classes
class	QVGPixmapData

Functions
void	qt_vg_hibernate_pixmaps (QVGSharedContext *context)
void	qt_vg_register_pixmap (QVGPixmapData *pd)
void	qt_vg_unregister_pixmap (QVGPixmapData *pd)

Function Documentation

qt_vg_hibernate_pixmaps()

void qt_vg_hibernate_pixmaps

(

QVGSharedContext *

context

)

Definition at line 333 of file qwindowsurface_vgegl.cpp.

Referenced by qt_vg_destroy_context().

{
    // Artificially increase the reference count to prevent the
    // context from being destroyed until after we have finished
    // the hibernation process.
    ++(shared->refCount);

    // We need a context current to hibernate the VGImage objects.
    shared->context->makeCurrent(qt_vg_shared_surface());

    // Scan all QVGPixmapData objects in the system and hibernate them.
    QVGPixmapData *pd = shared->firstPixmap;
    while (pd != 0) {
        pd->hibernate();
        pd = pd->next;
    }

    // Hibernate any remaining VGImage's in the image pool.
    QVGImagePool::instance()->hibernate();

    // Don't need the current context any more.
    shared->context->lazyDoneCurrent();

    // Decrease the reference count and destroy the context if necessary.
    if (--(shared->refCount) <= 0)
        qt_vg_destroy_shared_context(shared);
}

qt_vg_register_pixmap()

void qt_vg_register_pixmap

(

QVGPixmapData *

pd

)

Definition at line 157 of file qwindowsurface_vgegl.cpp.

Referenced by qt_vg_unregister_pixmap().

{
    QVGSharedContext *shared = sharedContext();
    pd->next = shared->firstPixmap;
    pd->prev = 0;
    if (shared->firstPixmap)
        shared->firstPixmap->prev = pd;
    shared->firstPixmap = pd;
}

qt_vg_unregister_pixmap()

void qt_vg_unregister_pixmap

(

QVGPixmapData *

pd

)

Definition at line 167 of file qwindowsurface_vgegl.cpp.

{
    if (pd->next)
        pd->next->prev = pd->prev;
    if (pd->prev) {
        pd->prev->next = pd->next;
    } else {
        QVGSharedContext *shared = sharedContext();
        if (shared)
           shared->firstPixmap = pd->next;
    }
}