kis_transform_utils.cpp File Reference

#include "kis_transform_utils.h"
#include <cmath>
#include <QPainterPath>
#include <QTransform>
#include <QVector3D>
#include <KoUnit.h>
#include "tool_transform_args.h"
#include "kis_paint_device.h"
#include "kis_algebra_2d.h"
#include "transform_transaction_properties.h"
#include "kis_painter.h"
#include <kis_transform_worker.h>
#include <kis_perspectivetransform_worker.h>
#include <kis_warptransform_worker.h>
#include <kis_cage_transform_worker.h>
#include <kis_liquify_transform_worker.h>
#include "commands_new/kis_saved_commands.h"
#include "kis_transform_mask.h"
#include "kis_transform_mask_adapter.h"
#include "krita_container_utils.h"
#include "kis_selection.h"
#include "kis_image.h"
#include "kis_image_animation_interface.h"

Go to the source code of this file.

Classes
struct	TransformExtraData

Functions
QRectF	handleRectImpl (qreal radius, const QTransform &t, const QRectF &limitingRect, const QPointF &basePoint, qreal *dOutX, qreal *dOutY)

Function Documentation

handleRectImpl()

QRectF handleRectImpl	(	qreal	radius,
		const QTransform &	t,
		const QRectF &	limitingRect,
		const QPointF &	basePoint,
		qreal *	dOutX,
		qreal *	dOutY )

Definition at line 80 of file kis_transform_utils.cpp.

                                                                                                                                           {
    const qreal handlesExtraScaleX =
        KisTransformUtils::scaleFromPerspectiveMatrixX(t, basePoint);
    const qreal handlesExtraScaleY =
        KisTransformUtils::scaleFromPerspectiveMatrixY(t, basePoint);
 
    const qreal maxD = 0.2 * KisTransformUtils::effectiveSize(limitingRect);
    const qreal dX = qMin(maxD, radius / handlesExtraScaleX);
    const qreal dY = qMin(maxD, radius / handlesExtraScaleY);
 
    QRectF handleRect(-0.5 * dX, -0.5 * dY, dX, dY);
 
    if (dOutX) {
        *dOutX = dX;
    }
 
    if (dOutY) {
        *dOutY = dY;
    }
 
    return handleRect;
 
}

References KisTransformUtils::effectiveSize(), KisTransformUtils::scaleFromPerspectiveMatrixX(), and KisTransformUtils::scaleFromPerspectiveMatrixY().