qpixmap.cpp File Reference

#include <qglobal.h>
#include "qpixmap.h"
#include "qpixmapdata_p.h"
#include "qimagepixmapcleanuphooks_p.h"
#include "qbitmap.h"
#include "qcolormap.h"
#include "qimage.h"
#include "qwidget.h"
#include "qpainter.h"
#include "qdatastream.h"
#include "qbuffer.h"
#include "qapplication.h"
#include <private/qapplication_p.h>
#include <private/qgraphicssystem_p.h>
#include <private/qwidget_p.h>
#include "qevent.h"
#include "qfile.h"
#include "qfileinfo.h"
#include "qpixmapcache.h"
#include "qdatetime.h"
#include "qimagereader.h"
#include "qimagewriter.h"
#include "qpaintengine.h"
#include "qthread.h"
#include "private/qt_mac_p.h"
#include "private/qpixmap_mac_p.h"
#include "qx11info_x11.h"
#include <private/qt_x11_p.h>
#include <private/qpixmap_x11_p.h>
#include "qpixmap_raster_p.h"
#include "private/qstylehelper_p.h"

Go to the source code of this file.

Functions
Q_GUI_EXPORT qint64	qt_pixmap_id (const QPixmap &pixmap)
static bool	qt_pixmap_thread_test ()
static void	sendResizeEvents (QWidget *target)

Variables
QApplication::Type	qt_appType

Function Documentation

qt_pixmap_id()

Q_GUI_EXPORT qint64 qt_pixmap_id

(

const QPixmap &

pixmap

)

Definition at line 94 of file qpixmap.cpp.

Referenced by QPdfEnginePrivate::addBrushPattern(), and QItemDelegate::selected().

{
    return pixmap.cacheKey();
}

qt_pixmap_thread_test()

static bool qt_pixmap_thread_test ( )

static

Definition at line 99 of file qpixmap.cpp.

Referenced by QPixmap::handle(), and QPixmap::QPixmap().

{
    if (!qApp) {
        qFatal("QPixmap: Must construct a QApplication before a QPaintDevice");
        return false;
    }

    if (qApp->thread() != QThread::currentThread()) {
        bool fail = false;
#if defined (Q_WS_X11)
        if (!QApplication::testAttribute(Qt::AA_X11InitThreads))
            fail = true;
#elif defined (Q_WS_QPA)
        if (!QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::ThreadedPixmaps)) {
            printf("Lighthouse plugin does not support threaded pixmaps!\n");
            fail = true;
        }
#else
        if (QApplicationPrivate::graphics_system_name != QLatin1String("raster"))
            fail = true;
#endif
        if (fail) {
            qWarning("QPixmap: It is not safe to use pixmaps outside the GUI thread");
            return false;
        }
    }
    return true;
}

sendResizeEvents()

static void sendResizeEvents ( QWidget *  target )

static

Definition at line 1145 of file qpixmap.cpp.

Referenced by QPixmap::grabWidget().

{
    QResizeEvent e(target->size(), QSize());
    QApplication::sendEvent(target, &e);

    const QObjectList children = target->children();
    for (int i = 0; i < children.size(); ++i) {
        QWidget *child = static_cast<QWidget*>(children.at(i));
        if (child->isWidgetType() && !child->isWindow() && child->testAttribute(Qt::WA_PendingResizeEvent))
            sendResizeEvents(child);
    }
}

Variable Documentation

qt_appType

QApplication::Type qt_appType

Definition at line 163 of file qapplication.cpp.

Referenced by QPixmap::init().