qstyle_p.h File Reference

(896c4fe4279f7dc761dcd59f7b0cde070c38b3cb)

#include "private/qobject_p.h"
#include <QtGui/qguiapplication.h>
#include <QtWidgets/qstyle.h>

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Classes
class	QStylePrivate

Macros
#define	BEGIN_STYLE_PIXMAPCACHE(a)
#define	END_STYLE_PIXMAPCACHE

Functions
QPixmap	styleCachePixmap (const QSize &size, qreal pixelRatio)

Macro Definition Documentation

BEGIN_STYLE_PIXMAPCACHE

#define BEGIN_STYLE_PIXMAPCACHE

(

a

)

Value:

    QRect rect = option->rect; \
    QPixmap internalPixmapCache; \
    QPainter *p = painter; \
    const auto dpr = p->device()->devicePixelRatio(); \
    const QString unique = QStyleHelper::uniqueName((a), option, option->rect.size(), dpr); \
    int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \
    const bool doPixmapCache = (!option->rect.isEmpty()) \
            && ((txType <= QTransform::TxTranslate) || (painter->deviceTransform().type() == QTransform::TxScale)); \
    if (doPixmapCache && QPixmapCache::find(unique, &internalPixmapCache)) { \
        painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \
    } else { \
        if (doPixmapCache) { \
            rect.setRect(0, 0, option->rect.width(), option->rect.height()); \
            internalPixmapCache = styleCachePixmap(option->rect.size(), dpr); \
            p = new QPainter(&internalPixmapCache); \
        }

Definition at line 46 of file qstyle_p.h.

Referenced by QQC2::QStyleHelper::drawDial().

END_STYLE_PIXMAPCACHE

#define END_STYLE_PIXMAPCACHE

Value:

        if (doPixmapCache) { \
            p->end(); \
            delete p; \
            painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \
            QPixmapCache::insert(unique, internalPixmapCache); \
        } \
    }

Definition at line 66 of file qstyle_p.h.

Referenced by QQC2::QStyleHelper::drawDial().

Function Documentation

styleCachePixmap()

QPixmap styleCachePixmap ( const QSize & size, qreal pixelRatio )

inline

Definition at line 38 of file qstyle_p.h.

References Qt::transparent.

Referenced by QCommonStyle::drawPrimitive().

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