kis_paint_device_cache.h File Reference

#include "kis_lock_free_cache.h"
#include <QReadWriteLock>
#include <QReadLocker>
#include <QWriteLocker>
#include <QImage>
#include <kis_paint_device.h>

Go to the source code of this file.

Classes
struct	KisPaintDeviceCache::ExactBoundsCache
class	KisPaintDeviceCache
struct	KisPaintDeviceCache::NonDefaultPixelCache
struct	KisPaintDeviceCache::RegionCache

Typedefs
using	ThumbnailCacheKey = std::tuple<QSize, qreal, KisThumbnailBoundsMode>

Functions
size_t	qHash (const ThumbnailCacheKey &key)

Typedef Documentation

ThumbnailCacheKey

using ThumbnailCacheKey = std::tuple<QSize, qreal, KisThumbnailBoundsMode>

Definition at line 18 of file kis_paint_device_cache.h.

Function Documentation

qHash()

size_t qHash

(

const ThumbnailCacheKey &

key

)

Definition at line 20 of file kis_paint_device_cache.h.

                                           {
    const auto &[size, oversample, mode] = key;
 
    size_t result = size.width() * size.height() * qRound(oversample * 1024);
    if (mode == KisThumbnailBoundsMode::Coarse) {
        result = ~result;
    }
    return result;
}

References Coarse, and oversample.