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koffice/krita/core/kis_autogradient_resource.h

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/*
* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
* 2004 Sven Langkamp <longamp@reallygood.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _KIS_AUTOGRADIENT_RESOURCE_H_
#define _KIS_AUTOGRADIENT_RESOURCE_H_
#include "kis_gradient.h"
class KisAutogradientResource : public KisGradient
{
public:
KisAutogradientResource() : KisGradient("") {}
public:
void createSegment( int interpolation, int colorInterpolation, double startOffset, double endOffset, double middleOffset, QColor left, QColor right );
const QValueVector<double> getHandlePositions() const;
const QValueVector<double> getMiddleHandlePositions() const;
/**
* Moves the StartOffset of the specified segment to the specified value
* and corrects the endoffset of the previous segment.
* If the segment is the first Segment the startoffset will be set to 0.0 .
* The offset will maximally be moved till the middle of the current or the previous
* segment
*/
void moveSegmentStartOffset( KisGradientSegment* segment, double t);
/**
* Moves the endoffset of the specified segment to the specified value
* and corrects the startoffset of the following segment.
* If the segment is the last segment the endoffset will be set to 1.0 .
* The offset will maximally be moved till the middle of the current or the following
* segment
*/
void moveSegmentEndOffset( KisGradientSegment* segment, double t);
/**
* Moves the Middle of the specified segment to the specified value
* The offset will maximally be moved till the endoffset or startoffset of the segment
*/
void moveSegmentMiddleOffset( KisGradientSegment* segment, double t);
void splitSegment( KisGradientSegment* segment );
void duplicateSegment( KisGradientSegment* segment );
void mirrorSegment( KisGradientSegment* segment );
/**
* Removes the specific segment from the gradient.
* @return The segment which will be at the place of the old segment.
* 0 if the segment is not in the gradient or it is not possible to remove the segment.
*/
KisGradientSegment* removeSegment( KisGradientSegment* segment );
/**
* Checks if it's possible to remove an segment(at least two segments in the gradient)
* @return true if it's possible to remove an segment
*/
bool removeSegmentPossible() const;
/**
* Recreates the preview of the gradient
*/
void updatePreview();
public:
virtual bool load() { return false; };
};
#endif // _KIS_AUTOGRADIENT_RESOURCE_H_