src/gui/image/qicon.cpp File Reference

#include "qicon.h"
#include "qiconengine.h"
#include "qiconengineplugin.h"
#include "private/qfactoryloader_p.h"
#include "qapplication.h"
#include "qstyleoption.h"
#include "qpainter.h"
#include "qfileinfo.h"
#include "qstyle.h"
#include "qpixmapcache.h"
#include "qvariant.h"
#include "qdebug.h"

Include dependency graph for qicon.cpp:

Go to the source code of this file.

Classes
class	QIconPrivate
struct	QPixmapIconEngineEntry
class	QPixmapIconEngine
Functions
Q_GUI_EXPORT qint64	qt_pixmap_id (const QPixmap &pixmap)
static int	area (const QSize &s)
static QPixmapIconEngineEntry *	bestSizeMatch (const QSize &size, QPixmapIconEngineEntry *pa, QPixmapIconEngineEntry *pb)
QDataStream &	operator<< (QDataStream &s, const QIcon &icon)
QDataStream &	operator>> (QDataStream &s, QIcon &icon)
Variables
static int	serialNumCounter = 0

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Function Documentation

static int area

(

const QSize &

s

)

[inline, static]

Definition at line 130 of file qicon.cpp.

References s.

Referenced by CPP::WriteInitialization::acceptWidget(), QAbstractFormBuilder::addItem(), QListViewPrivate::addLeaf(), bestSizeMatch(), Skin::calcRegions(), Q3Canvas::changeBounds(), QBspTree::climbTree(), QAbstractItemView::doAutoScroll(), QTableViewPrivate::drawAndClipSpans(), QWindowsXPStylePrivate::drawBackgroundDirectly(), QWindowsXPStylePrivate::drawBackgroundThruNativeBuffer(), Q3Canvas::drawCanvasArea(), QTreeView::drawTree(), QTabBar::event(), Q3MainWindow::event(), qdesigner_internal::Layout::finishLayout(), qdesigner_internal::FormWindow::handleMouseMoveEvent(), QMainWindowLayout::hover(), QBspTree::init(), QListViewPrivate::intersectingDynamicSet(), QListViewPrivate::intersectingSet(), QListViewPrivate::intersectingStaticSet(), Q3MainWindow::isDockEnabled(), QListView::paintEvent(), qdesigner_internal::QDesignerResource::saveWidget(), QRasterWindowSurface::scroll(), QX11WindowSurface::scroll(), QListView::scrollTo(), PieView::scrollTo(), QTreeView::scrollTo(), Q3Canvas::setChanged(), Q3Canvas::setUnchanged(), QAbstractItemViewPrivate::shouldAutoScroll(), Q3Canvas::update(), QXIMInputContext::update(), ColorSwatch::updateContextMenu(), and ToolBar::updateMenu().

{ return s.width() * s.height(); }

static QPixmapIconEngineEntry* bestSizeMatch	(	const QSize &	size,
		QPixmapIconEngineEntry *	pa,
		QPixmapIconEngineEntry *	pb
	)			[static]

Definition at line 133 of file qicon.cpp.

References a, area(), b, QPixmapIconEngineEntry::fileName, QPixmap::isNull(), QPixmapIconEngineEntry::pixmap, qMax(), qMin(), s, size, QPixmapIconEngineEntry::size, and QPixmap::size().

Referenced by QPixmapIconEngine::tryMatch().

{
    int s = area(size);
    if (pa->size == QSize() && pa->pixmap.isNull()) {
        pa->pixmap = QPixmap(pa->fileName);
        pa->size = pa->pixmap.size();
    }
    int a = area(pa->size);
    if (pb->size == QSize() && pb->pixmap.isNull()) {
        pb->pixmap = QPixmap(pb->fileName);
        pb->size = pb->pixmap.size();
    }
    int b = area(pb->size);
    int res = a;
    if (qMin(a,b) >= s)
        res = qMin(a,b);
    else
        res = qMax(a,b);
    if (res == a)
        return pa;
    return pb;
}

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QDataStream& operator<<	(	QDataStream &	s,
		const QIcon &	icon
	)

Definition at line 664 of file qicon.cpp.

{
    if (s.version() >= QDataStream::Qt_4_2) {
        if (icon.isNull()) {
            s << 0;
        } else {
            QPixmapIconEngine *engine = static_cast<QPixmapIconEngine *>(icon.d->engine);
            int num_entries = engine->pixmaps.size();
            s << num_entries;
            for (int i=0; i < num_entries; ++i) {
                s << engine->pixmaps.at(i).pixmap;
                s << engine->pixmaps.at(i).fileName;
                s << engine->pixmaps.at(i).size;
                s << (uint) engine->pixmaps.at(i).mode;
                s << (uint) engine->pixmaps.at(i).state;
            }
        }
    } else {
        s << QPixmap(icon.pixmap(22,22));
    }
    return s;
}

QDataStream& operator>>	(	QDataStream &	s,
		QIcon &	icon
	)			[related]

Definition at line 696 of file qicon.cpp.

{
    if (s.version() >= QDataStream::Qt_4_2) {
        icon = QIcon();
        int num_entries;
        QPixmap pm;
        QString fileName;
        QSize sz;
        uint mode;
        uint state;

        s >> num_entries;
        for (int i=0; i < num_entries; ++i) {
            s >> pm;
            s >> fileName;
            s >> sz;
            s >> mode;
            s >> state;
            if (pm.isNull())
                icon.addFile(fileName, sz, QIcon::Mode(mode), QIcon::State(state));
            else
                icon.addPixmap(pm, QIcon::Mode(mode), QIcon::State(state));
        }
    } else {
        QPixmap pm;
        s >> pm;
        icon.addPixmap(pm);
    }
    return s;
}

Q_GUI_EXPORT qint64 qt_pixmap_id

(

const QPixmap &

pixmap

)

Definition at line 55 of file qpixmap.cpp.

Referenced by QPdfEnginePrivate::addBrushPattern(), QGLContextPrivate::bindTexture(), QPdfEngine::drawPixmap(), QPixmapIconEngine::pixmap(), and QItemDelegate::selected().

{
    return -(((qint64) pixmap.data->ser_no) << 32) | ((qint64) (pixmap.data->detach_no));
}

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Variable Documentation

int serialNumCounter = 0 [static]

Definition at line 72 of file qicon.cpp.

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