Differential D13525 Diff 37076 libs/flake/KisGamutMaskViewConverter.cpp

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libs/flake/KisGamutMaskViewConverter.cpp

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		1		#include "KisGamutMaskViewConverter.h"
		2
		3		#include <QPointF>
		4		#include <QRectF>
		5		#include <QSizeF>
		6
		7		#include <FlakeDebug.h>
		8
		9		//#define DEBUG_GAMUT_MASK_CONVERTER
		10
		11		KisGamutMaskViewConverter::KisGamutMaskViewConverter()
		12		: m_viewSize(1.0)
		13		, m_maskSize(QSizeF(1,1))
		14		, m_maskResolution(1)
		15		{
		16		computeAndSetZoom();
		17		}
		18
		19		KisGamutMaskViewConverter::~KisGamutMaskViewConverter()
		20		{
		21		}
		22
		23		QPointF KisGamutMaskViewConverter::documentToView(const QPointF &documentPoint) const
		24		{
		25		return QPointF(documentToViewX(documentPoint.x()), documentToViewY(documentPoint.y()));
		26		}
		27
		28
		29		QPointF KisGamutMaskViewConverter::viewToDocument(const QPointF &viewPoint) const
		30		{
		31		return QPointF(viewToDocumentX(viewPoint.x()), viewToDocumentY(viewPoint.y()));
		32		}
		33
		34		QRectF KisGamutMaskViewConverter::documentToView(const QRectF &documentRect) const
		35		{
		36		return QRectF(documentToView(documentRect.topLeft()), documentToView(documentRect.size()));
		37		}
		38
		39		QRectF KisGamutMaskViewConverter::viewToDocument(const QRectF &viewRect) const
		40		{
		41		return QRectF(viewToDocument(viewRect.topLeft()), viewToDocument(viewRect.size()));
		42		}
		43
		44		QSizeF KisGamutMaskViewConverter::documentToView(const QSizeF &documentSize) const
		45		{
		46		return QSizeF(documentToViewX(documentSize.width()), documentToViewY(documentSize.height()));
		47		}
		48
		49		QSizeF KisGamutMaskViewConverter::viewToDocument(const QSizeF &viewSize) const
		50		{
		51		return QSizeF(viewToDocumentX(viewSize.width()), viewToDocumentY(viewSize.height()));
		52		}
		53
		54		qreal KisGamutMaskViewConverter::documentToViewX(qreal documentX) const
		55		{
		56		qreal translated = documentX * m_zoomLevel;
		57
		58		#ifdef DEBUG_GAMUT_MASK_CONVERTER
		59		debugFlake << "KisGamutMaskViewConverter::DocumentToViewX: "
		60		<< "documentX: " << documentX
		61		<< " -> translated: " << translated;
		62		#endif
		63
		64		return translated;
		65		}
		66
		67		qreal KisGamutMaskViewConverter::documentToViewY(qreal documentY) const
		68		{
		69		qreal translated = documentY * m_zoomLevel;
		70
		71		#ifdef DEBUG_GAMUT_MASK_CONVERTER
		72		debugFlake << "KisGamutMaskViewConverter::DocumentToViewY: "
		73		<< "documentY: " << documentY
		74		<< " -> translated: " << translated;
		75		#endif
		76
		77		return translated;
		78		}
		79
		80		qreal KisGamutMaskViewConverter::viewToDocumentX(qreal viewX) const
		81		{
		82		qreal translated = viewX / m_zoomLevel;
		83
		84		#ifdef DEBUG_GAMUT_MASK_CONVERTER
		85		debugFlake << "KisGamutMaskViewConverter::viewToDocumentX: "
		86		<< "viewX: " << viewX
		87		<< " -> translated: " << translated;
		88		#endif
		89
		90		return translated;
		91		}
		92
		93		qreal KisGamutMaskViewConverter::viewToDocumentY(qreal viewY) const
		94		{
		95		qreal translated = viewY / m_zoomLevel;
		96
		97		#ifdef DEBUG_GAMUT_MASK_CONVERTER
		98		debugFlake << "KisGamutMaskViewConverter::viewToDocumentY: "
		99		<< "viewY: " << viewY
		100		<< " -> translated: " << translated;
		101		#endif
		102
		103		return translated;
		104		}
		105
		106
		107		void KisGamutMaskViewConverter::setZoom(qreal zoom)
		108		{
		109		if (qFuzzyCompare(zoom, qreal(0.0)) \|\| qFuzzyCompare(zoom, qreal(1.0))) {
		110		zoom = 1;
		111		}
		112
		113		#ifdef DEBUG_GAMUT_MASK_CONVERTER
		114		debugFlake << "KisGamutMaskViewConverter::setZoom: setting to " << zoom;
		115		#endif
		116
		117		m_zoomLevel = zoom;
		118		}
		119
		120		void KisGamutMaskViewConverter::zoom(qreal zoomX, qreal zoomY) const
		121		{
		122		*zoomX = m_zoomLevel;
		123		*zoomY = m_zoomLevel;
		124		}
		125
		126		void KisGamutMaskViewConverter::setViewSize(QSize viewSize)
		127		{
		128		m_viewSize = viewSize.width();
		129
		130		computeAndSetZoom();
		131		}
		132
		133		void KisGamutMaskViewConverter::setMaskSize(QSizeF maskSize)
		134		{
		135		m_maskSize = maskSize;
		136		m_maskResolution = maskSize.width();
		137
		138		computeAndSetZoom();
		139		}
		140
		141		void KisGamutMaskViewConverter::computeAndSetZoom()
		142		{
		143		qreal zoom = m_viewSize / m_maskResolution;
		144
		145		#ifdef DEBUG_GAMUT_MASK_CONVERTER
		146		debugFlake << "KisGamutMaskViewConverter::computeAndSetZoom: "
		147		<< "m_viewSize: " << m_viewSize
		148		<< " m_maskSize: " << m_maskResolution;
		149		#endif
		150
		151		setZoom(zoom);
		152		}