kis_round_corners_filter.cpp File Reference

#include "kis_round_corners_filter.h"
#include <stdlib.h>
#include <vector>
#include <math.h>
#include <QPoint>
#include <klocalizedstring.h>
#include <kpluginfactory.h>
#include <KoUpdater.h>
#include <kis_debug.h>
#include <KisDocument.h>
#include <filter/kis_filter_registry.h>
#include <kis_global.h>
#include <kis_image.h>
#include <kis_layer.h>
#include <widgets/kis_multi_integer_filter_widget.h>
#include <kis_selection.h>
#include <filter/kis_filter_category_ids.h>
#include <filter/kis_filter_configuration.h>
#include <kis_processing_information.h>
#include <kis_types.h>
#include <KisSequentialIteratorProgress.h>
#include <kis_algebra_2d.h>
#include <KoProgressUpdater.h>

Go to the source code of this file.

Functions
void	fadeOneCorner (KisPaintDeviceSP device, const QPoint &basePoint, const QRect &processRect, const qreal thresholdSq, KoUpdater *progressUpdater)

Function Documentation

fadeOneCorner()

void fadeOneCorner	(	KisPaintDeviceSP	device,
		const QPoint &	basePoint,
		const QRect &	processRect,
		const qreal	thresholdSq,
		KoUpdater *	progressUpdater )

Definition at line 48 of file kis_round_corners_filter.cpp.

{
    const KoColorSpace *cs = device->colorSpace();
    KisSequentialIteratorProgress dstIt(device, processRect, progressUpdater);
 
    while (dstIt.nextPixel()) {
        const QPointF point(dstIt.x(), dstIt.y());
 
        const qreal distanceSq = kisSquareDistance(point, basePoint);
        if (distanceSq >= thresholdSq) {
            cs->setOpacity(dstIt.rawData(), OPACITY_TRANSPARENT_U8, 1);
        }
    }
}

References KisPaintDevice::colorSpace(), kisSquareDistance(), KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::nextPixel(), OPACITY_TRANSPARENT_U8, KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::rawData(), KoColorSpace::setOpacity(), KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::x(), and KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::y().