void doPaint(KisPainter &gc) override {
QVector<KisPaintInformation> vector;
vector << KisPaintInformation(QPointF(100, 100));
vector << KisPaintInformation(QPointF(200, 150));
vector << KisPaintInformation(QPointF(100, 350));
KisDistanceInformation dist;
for (int i = 1; i < vector.size(); i++) {
gc.paintLine(vector[i - 1], vector[i], &dist);
}
}
/**
* This benchmark runs a series of huge strokes on a canvas with a
* particular configuration of the swapper/pooler and history
* management. After the test is done you can visualize the results
* with the GNU Octave. Please use kis_low_memory_show_report.m file
* for that.
*/
void KisLowMemoryBenchmark::benchmarkWideArea(const QString presetFileName,
const QRectF &rect, qreal vstep,
int numCycles,
bool createTransaction,
int hardLimitMiB,
int softLimitMiB,
int poolLimitMiB,
int index)
{
KisPaintOpPresetSP preset = new KisPaintOpPreset(QString(FILES_DATA_DIR) + QDir::separator() + presetFileName);
LOAD_PRESET_OR_RETURN(preset, presetFileName);
/**
* Initialize image and painter
*/
const KoColorSpace *colorSpace = KoColorSpaceRegistry::instance()->rgb8();
KisImageSP image = new KisImage(0, HUGE_IMAGE_SIZE, HUGE_IMAGE_SIZE, colorSpace, "stroke sample image", true);
KisLayerSP layer = new KisPaintLayer(image, "temporary for stroke sample", OPACITY_OPAQUE_U8, colorSpace);
KisLayerSP layerExtra = new KisPaintLayer(image, "temporary for threading", OPACITY_OPAQUE_U8, colorSpace);
image->addNode(layer, image->root());
image->addNode(layerExtra, image->root());
KisPainter *painter = new KisPainter(layer->paintDevice());
painter->setPaintColor(KoColor(Qt::black, colorSpace));
painter->setPaintOpPreset(preset, layer, image);
/**
* A simple adapter that will store all the transactions for us
*/
KisSurrogateUndoAdapter undoAdapter;
/**
* Reset configuration to the desired settings
*/
KisImageConfig config;
qreal oldHardLimit = config.memoryHardLimitPercent();
qreal oldSoftLimit = config.memorySoftLimitPercent();
qreal oldPoolLimit = config.memoryPoolLimitPercent();
const qreal _MiB = 100.0 / KisImageConfig::totalRAM();
config.setMemoryHardLimitPercent(hardLimitMiB * _MiB);
config.setMemorySoftLimitPercent(softLimitMiB * _MiB);
config.setMemoryPoolLimitPercent(poolLimitMiB * _MiB);
KisTileDataStore::instance()->testingRereadConfig();
/**
* Create an empty the log file
*/
QString fileName;
fileName = QString("log_%1_%2_%3_%4_%5.txt")
.arg(createTransaction)
.arg(hardLimitMiB)
.arg(softLimitMiB)
.arg(poolLimitMiB)
.arg(index);
QFile logFile(fileName);
logFile.open(QFile::WriteOnly | QFile::Truncate);
QTextStream logStream(&logFile);
logStream.setFieldWidth(10);
logStream.setFieldAlignment(QTextStream::AlignRight);
/**
* Start painting on the image
*/
QTime cycleTime;
QTime lineTime;
cycleTime.start();
lineTime.start();
qreal rectBottom = rect.y() + rect.height();
for (int i = 0; i < numCycles; i++) {
cycleTime.restart();
QLineF line(rect.topLeft(), rect.topLeft() + QPointF(rect.width(), 0));
if (createTransaction) {
painter->beginTransaction();
}
KisDistanceInformation currentDistance;
while(line.y1() < rectBottom) {
lineTime.restart();
KisPaintInformation pi1(line.p1(), 0.0);
KisPaintInformation pi2(line.p2(), 1.0);
painter->paintLine(pi1, pi2, ¤tDistance);
painter->device()->setDirty(painter->takeDirtyRegion());
logStream << "L 1" << i << lineTime.elapsed()
<< KisTileDataStore::instance()->numTilesInMemory() * 16
<< KisTileDataStore::instance()->numTiles() * 16
<< createTransaction << endl;
line.translate(0, vstep);
}
painter->device()->setDirty(painter->takeDirtyRegion());
if (createTransaction) {
painter->endTransaction(&undoAdapter);
}
// comment/uncomment to emulate user waiting after the stroke
QTest::qSleep(1000);
logStream << "C 2" << i << cycleTime.elapsed()
<< KisTileDataStore::instance()->numTilesInMemory() * 16
<< KisTileDataStore::instance()->numTiles() * 16
<< createTransaction
<< config.memoryHardLimitPercent() / _MiB
<< config.memorySoftLimitPercent() / _MiB
<< config.memoryPoolLimitPercent() / _MiB << endl;
}
config.setMemoryHardLimitPercent(oldHardLimit * _MiB);
config.setMemorySoftLimitPercent(oldSoftLimit * _MiB);
config.setMemoryPoolLimitPercent(oldPoolLimit * _MiB);
delete painter;
}