#include <kis_grid_interpolation_tools.h>

Public Member Functions
void	operator() (const QPolygonF &srcPolygon, const QPolygonF &dstPolygon)

void	operator() (const QPolygonF &srcPolygon, const QPolygonF &dstPolygon, const QPolygonF &clipDstPolygon)

	QImagePolygonOp (const QImage &srcImage, QImage &dstImage, const QPointF &srcImageOffset, const QPointF &dstImageOffset)

Public Attributes
QImage &	m_dstImage

QPointF	m_dstImageOffset

QRect	m_dstImageRect

const QImage &	m_srcImage

QPointF	m_srcImageOffset

QRect	m_srcImageRect

Detailed Description

Definition at line 237 of file kis_grid_interpolation_tools.h.

Constructor & Destructor Documentation

◆ QImagePolygonOp()

GridIterationTools::QImagePolygonOp::QImagePolygonOp	(	const QImage &	srcImage,
		QImage &	dstImage,
		const QPointF &	srcImageOffset,
		const QPointF &	dstImageOffset )

inline

Definition at line 239 of file kis_grid_interpolation_tools.h.

        : m_srcImage(srcImage), m_dstImage(dstImage),
          m_srcImageOffset(srcImageOffset),
          m_dstImageOffset(dstImageOffset),
          m_srcImageRect(m_srcImage.rect()),
          m_dstImageRect(m_dstImage.rect())
    {
    }

Member Function Documentation

◆ operator()() [1/2]

void GridIterationTools::QImagePolygonOp::operator()	(	const QPolygonF &	srcPolygon,
		const QPolygonF &	dstPolygon )

inline

Definition at line 250 of file kis_grid_interpolation_tools.h.

                                                                               {
        this->operator() (srcPolygon, dstPolygon, dstPolygon);
    }

References operator()().

◆ operator()() [2/2]

void GridIterationTools::QImagePolygonOp::operator()	(	const QPolygonF &	srcPolygon,
		const QPolygonF &	dstPolygon,
		const QPolygonF &	clipDstPolygon )

inline

Definition at line 254 of file kis_grid_interpolation_tools.h.

                                                                                                                {
        QRect boundRect = clipDstPolygon.boundingRect().toAlignedRect();
        KisFourPointInterpolatorBackward interp(srcPolygon, dstPolygon);
 
        for (int y = boundRect.top(); y <= boundRect.bottom(); y++) {
            interp.setY(y);
            for (int x = boundRect.left(); x <= boundRect.right(); x++) {
 
                QPointF srcPoint(x, y);
                if (clipDstPolygon.containsPoint(srcPoint, Qt::OddEvenFill)) {
 
                    interp.setX(srcPoint.x());
                    QPointF dstPoint = interp.getValue();
 
                    // about srcPoint/dstPoint hell please see a
                    // comment in PaintDevicePolygonOp::operator() ()
 
                    srcPoint -= m_dstImageOffset;
                    dstPoint -= m_srcImageOffset;
 
                    QPoint srcPointI = srcPoint.toPoint();
                    QPoint dstPointI = dstPoint.toPoint();
 
                    if (!m_dstImageRect.contains(srcPointI)) continue;
                    if (!m_srcImageRect.contains(dstPointI)) continue;
 
                    m_dstImage.setPixel(srcPointI, m_srcImage.pixel(dstPointI));
                }
            }
        }
 
#ifdef DEBUG_PAINTING_POLYGONS
        QPainter gc(&m_dstImage);
        gc.setPen(Qt::red);
        gc.setOpacity(0.5);
 
        gc.setBrush(Qt::green);
        gc.drawPolygon(clipDstPolygon.translated(-m_dstImageOffset));
 
        gc.setBrush(Qt::blue);
        //gc.drawPolygon(dstPolygon.translated(-m_dstImageOffset));
 
#endif /* DEBUG_PAINTING_POLYGONS */
 
    }