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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_