kis_pixel_selection.cpp File Reference

#include "kis_pixel_selection.h"
#include <QImage>
#include <QVector>
#include <QMutex>
#include <QPoint>
#include <QPolygon>
#include <KoColorSpace.h>
#include <KoColorSpaceRegistry.h>
#include <KoColorModelStandardIds.h>
#include <KoIntegerMaths.h>
#include <KoCompositeOpRegistry.h>
#include "kis_layer.h"
#include "kis_debug.h"
#include "kis_image.h"
#include "kis_fill_painter.h"
#include "kis_outline_generator.h"
#include <kis_iterator_ng.h>
#include "kis_lod_transform.h"
#include "krita_utils.h"
#include "kundo2command.h"

Go to the source code of this file.

Classes
class	KisPixelSelection

Functions
QImage	deviceToQImage (KisPaintDeviceSP device, const QRect &rc, const QColor &maskColor)

Function Documentation

deviceToQImage()

QImage deviceToQImage	(	KisPaintDeviceSP	device,
		const QRect &	rc,
		const QColor &	maskColor )

Definition at line 518 of file kis_pixel_selection.cpp.

{
    QImage image(rc.size(), QImage::Format_ARGB32);
 
    QColor color = maskColor;
    const qreal alphaScale = maskColor.alphaF();
 
    KisSequentialConstIterator it(device, rc);
    while(it.nextPixel()) {
        quint8 value = (MAX_SELECTED - *(it.rawDataConst())) * alphaScale;
        color.setAlpha(value);
 
        QPoint pt(it.x(), it.y());
        pt -= rc.topLeft();
 
        image.setPixel(pt.x(), pt.y(), color.rgba());
    }
 
    return image;
}

References MAX_SELECTED, KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::nextPixel(), KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::rawDataConst(), value(), KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::x(), and KisSequentialIteratorBase< IteratorPolicy, SourcePolicy, ProgressPolicy >::y().